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VibtorV3 User manual

1. Copy This option enables copying the selected elements onto the clipboard temporary memory These copied elements are then available for a subsequent pasting operation Copying onto the clipboard 1 Select the nodes and elements to be copied 2 Press the Edit Copy menu option The selected objects are then saved onto the clipboard User Manual VibtorV3 03 014 R1660 9 75 Titre du chapitre 1 Cut This option allows deleting the selected set of model elements which are copied onto the clipboard temporary memory These cut elements are still available for pasting Cutting selected items 1 Select the elements to be cut 2 Press the Edit Cut menu option The selected objects are then deleted from the model and saved onto the clipboard Paste Those model elements either copied or cut during a previous action may be pasted into the model of your choice as characterized by the active working window on the screen Pasting 1 Click the window corresponding to the project within which you would like to paste the elements saved onto the clipboard 2 Press the Edit Paste menu option 3 Position the elements to be pasted using the mouse T5 Selection When the Selection button has been activated the mouse is working in Selection mode with this mode serving as the default A selected element is characterized by a dashed frame in addition to this frame four rectangles are displayed that correspo
2. Import diag PV to display the following dialog box x Import Reset Ad Rca a al cl cd ci a kas ech ei mk 5 Press the Import button to open the file selection dialog box 6 Press CK to validate the import 7 In the conrod torque dialog box click on Add button to add the conrod torque in the library list User Manual VibtorV3 03 014 R1660 51 75 Reference speed Conrod torque librairy a x Required identification ID ConrodT orgue Delete Show Properties Piston mass Conrod inertia 0 000700 Kom Piston diameter Conrod lenght fi 00 000 mm Piston stroke Big end to 20 000 mm Ee Import EM Diag bar e To modify a torque entry select the ID in the list Once the modification are completed click on Add and validate following dialog box VibTor xX A Entry already exist OK to modify The pressure import is limited to 20 columns Each column must start with the engine speed followed by 720 pressure entries for each crankshaft angle y The zero angle represents the combustion top dead center for the first cylinder Torque viewer You can have a graph view of the torques defined in the list 1 Select the torque in the list click the show button the following dialogue box appears User Manual VibtorV3 03 014 R1660 52 75 Reference speed EN Torque plot fe Harmonic Speed S000 Eras mn Speed number 7 S
3. CG ES Default values This option will serve to modify the following default parameters 1 Size of the symbol used for stiffnesses inertias and gear trains The size of these elements is defined in terms of number of grid squares 2 Yo deviation for the proximity diagrams 3 Ye variation in both inertia and stiffness for the sensitivity computations Ka SE Er Number of modes This option allows defining the following elements 1 Number of eigenmodes considered when presenting the tables of results In dealing with larger models it may be advisable not to discard the last modes corresponding to the less interesting higher frequencies 2 The highest harmonics level to be considered for the excitation frequencies multiplier for the exciter speeds User Manual VibtorV3 03 014 R 1660 17 75 Reference speed Model definition Model This option enables defining the model it activates the display of a toolbox containing the following elements 3 Creation of stiffnesses Creation of inertias KI Creation of gear trains IHIH 1 Creation of planetary gear trains En Eem Creation of differential gear trains Creation of belts Predefined structures sit Symmetry H Id Numbering Identification sk Definition of stiffness properties ota Definition des propri t s des inerties mm Definition of stiffness properties Ji Definition of gearing stiffness properties T Definition of planetary gear train
4. VibtorV3 User manual Vibtor V3 03 014 R1660 User Manual VibtorV3 03 014 R 1660 1 75 Table of content RA 2 FIle a 5 kA D tn on 5 OR AA 5 GIOS NEE 5 DO NEGA ANAND ices ase seve Re ssavesshceicetepet ereitate rite eters isco stotauie Re eucntausel a sencnhvascetesaictetuei de eslrbisiosseaseieSeis 5 Insert model 5 Comments 2ccccccececececececccccecscecececuaeccsceteceneauaescetenenuauaeacseeceneaeauatseeuensauavscscsueneneass 5 NI e EEN 6 NN 6 Graph LA AL le AA AA AA 7 mt 7 a K giel TE 7 OA NAAN vee sw GN E actu ADA ann 7 COMMU ACM Lei EE 7 FE EE 8 EE NE EY AYE E PE NAE E NAE NADA NOE PNAR 9 ee 9 Undo n ee eenemecememecememecememecememecememeeememeeeeeuee 9 en 9 Redo MG EE 9 ele AA 9 OD ne men eueueececenememeuecececemememeececenemememe cc cemememe eme cememememeceeeeeeee 10 PaSte ooo cccccccccceccccecccccceccecceceaceceuceneaueneeneaueneuuenceneatenesueneeteneeneaueneauectensateeauecesneaeeneass 10 T5 Selection AA 10 a AA 13 User Manual VibtorV3 03 014 R1660 21 15 al Full screen Ne EN 13 we Grid calibrated display Vs 13 ANOMAN he LEE 13 Eege 15 EI ziele Let 15 FEY U cccccccsccsccsecsesscsecsessessesesscssescsessessesecsesuessesessesssasssessessesessessessesessesseavereesees 15 al NISUHIIZA NON OD le es eneen vetnek deken eenen 16 E Fmt ecceccecsecsscsccccsscsscssessesscsscsecsessessesscsscsscsscsesusssesucsscsecsessessessesucsscsecsecseenesseen 16 EE Grid Peer ee
5. While holding the right mouse button down modify the size of the element vy The frame corresponding to the element always coincides with the grid points User Manual VibtorV3 03 014 R1660 21 75 Reference speed Moving an inertia element sch Select the target element 2 Position the mouse cursor inside the frame symbolizing the element yet beyond the handles used to resize the element The mouse cursor then takes the form of a cross sane 2 IH I While holding the right mouse button down move the target element Release the right mouse button once the element is in the desired position Creation of gear trains Activating this tool serves to create and position a gear train element The element is placed in the model thanks to a grid that acts as a guide As a default this element is represented by a horizontal line inscribed within a rectangle and then completed with two vertical lines at each of its extremities see the Preferences Visualization options section whose default dimensions were set in the Preferences Default values option BA HA Unconnected element Element connected to a stiffness element MAA Element connected to another gear train The connection with an adjacent stiffness element is visualized by a red rectangle positioned at the exact spot of the connection The connection between two gear train elements is symbolized by red coloring on the vertical line located in the con
6. Fill the ID name Chose between mechanical spring and air spring with the option buttons Fill the numerical fields Click on the Import valve lift button to display the following dialog box User Manual VibtorV3 03 014 R1660 54 75 Reference speed O 1 2 3 TUT T TU D Fi ad 2 wo BE o ES BE 9 Press the Import button to open the file selection dialog box 10 Press OK to validate the import 11 In the cam torque dialogue box click on Add button to add the cam torque in the library list iS To modify a torque entry select the ID in the list Once the modification are completed click on Add and validate following dialog box vero gt A Entry already exist OK to modify el The valve lift import is limited to the first column The column must be filled with 720 valve lift entries one for each crankshaft angle e The zero angle represents the combustion top dead center for the first cylinder The valve lifts must describe in keeping with this timing e You can visualize the cam torques please refer to the Conrod torque library section J User defined torque library This tool allows the user to define the torques based on harmonic decomposition User Manual VibtorV3 03 014 R1660 55 75 Reference speed Defining 1 Activate User define torque library The dialog box allows defining the following elements User torque librairy Ei Required iden
7. d Wm Deeg H In order to create the Le element in the other direction i e LT hold the SHIFT key down when right clicking the mouse 43 The element position is rejected in the case where it has been superimposed either totally or partially onto an existing element Modifying the size of a planetary gear train element 1 Select the target element A selected element is characterized by a dashed frame in addition to this frame four rectangles are displayed that correspond to handles used for modifying the horizontal and vertical dimensions of an element 2 Position the mouse cursor on one of the handles used to resize the element The mouse cursor then takes the form of a horizontal or vertical arrow 3 While holding the right mouse button down modify the size of the element Le The frame corresponding to the element always coincides with the grid points Moving a planetary gear train element 1 Select the target element 2 Position the mouse cursor inside the frame symbolizing the element yet beyond the handles used to resize the element The mouse cursor then takes the form of a cross 3 While holding the right mouse button down move the target element 4 Release the right mouse button once the element is in the desired position 7 Creation of differential gear trains Activating this tool serves to create and position a differential gear train element The element is placed in the model thanks to a grid t
8. 014 R1660 49 75 Reference speed Calculer Stiffness calculation assistant for a series of cylindrical segments In some dialogue boxes pressing the Calculate button opens the dialogue box below wherein a tool enables calculating the equivalent stiffness of a series of cylindrical segments defined from data on the length inside diameter Di outside diameter De and shear modulus G or stiffness Calculate stiffness Stiffness m Length mm Di cm De cm G N m2 0 000e 000 0 000 0 000 0 000 8070000000 0 000e 000 0 000 0 000 8070000000 0 000 8070000000 e P 8070000000 0 000e 000 0 00 O0 8070000000 0 0008 000 0 000 0 000 0 000 8070000000 Stiffness 0 000000 mi Ad NG a eG PA y Conrod torque library Cancel This tool allows the user to define the torques coming from conrods taking into account inertias from reciprocating masses and gas pressure on piston Defining 1 Activate Conrod torque library The dialog box allows defining the following elements User Manual VibtorV3 03 014 R1660 50 75 Reference speed Conrod torque librairy x Required identification Delete Show Properties Piston mass Conrod inertia ja Kom Piston diameter Conrod lenght 0 mm Piston stroke Big end to 0 mm Conrod mass Import EN Diag bar 2 Fill the ID name 3 Fill the numerical fields 4 Click on the button
9. 6 Level 1500 RPM Harm 2 3086 3086 Level 1500 RPM Harm 2 Level 1500 RPM Harm 3 Level 1500 RPM Harm 4 Level 1500 RPM Harm 5 Level 1500 RPM Harm 6 Eigenfrequencies RPM D o o 3000 2000 1000 ok 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 Speed of the reference gear RPM User Manual VibtorV3 03 014 R1660 68 75 Results interpretation The x axis represents the scale that measures speed of the reference level while the y axis is used to characterize eigenfrequencies Eigenfrequency values are shown by horizontal red lines and excitation frequency values by slanted blue lines Note that only the visible frequencies are represented herein see Diagram parameters The dashed vertical lines correspond to the intersections of eigenfrequencies with excitation frequencies This diagram thereby facilitates visualization of hazardous speeds within the system Right clicking on the graphics window opens a dialogue box that enables modifying the attributes of both the x and y axes Eigenfrequencies and active excitation frequencies Activating this tool opens a dialogue box that enables setting the excitation frequencies and eigenfrequencies to be considered within the representation of both the proximity and Campbell diagrams Defining active eigenfrequencies 1 Activate the Eigenfrequencies and active excitation frequencies tool 2 Click the Eigenfrequencies tab Campbell
10. its extremities see the Preferences Visualization options section whose default dimensions were set in the Preferences Default values option SE Pr Unconnected element Connected element The connection with an adjacent element is visualized by a red rectangle positioned at the exact spot of the connection The only elements capable of being connected to an inertia element are of the type e Stiffness in the axis Inertia in the axis Gear train in the axis Planetary and differential gear train in the axis Belt on the side Creating an inertia element 1 Click on the Creation of inertia tool A rectangle symbolizing the inertia element then becomes attached to the mouse cursor 2 Position the element at the desired place in the model by means of moving the mouse cursor 3 When the element is in the desired position make a left click with the mouse Ke The element position is rejected in the case where it has been superimposed either totally or partially onto an existing element Modifying the size of an inertia element 1 Select the target element A selected element is characterized by a dashed frame in addition to this frame four rectangles are displayed that correspond to handles used for modifying the horizontal and vertical dimensions of an element 2 Position the mouse cursor on one of the handles used to resize the element The mouse cursor then takes the form of a horizontal or vertical arrow
11. of a horizontal or vertical arrow 3 While holding the right mouse button down modify the size of the element The frame corresponding to the element always coincides with the grid points Moving a differential gear train element 1 Select the target element 2 Position the mouse cursor inside the frame symbolizing the element yet beyond the handles used to resize the element The mouse cursor then takes the form of a cross 3 While holding the right mouse button down move the target element 4 Release the right mouse button once the element is in the desired position Creation of belts Activating this tool serves to create and position a belt element The element is placed in the model thanks to a grid that acts as a guide ee ae ea ee Ge Unconnected element Connected element The connection with an adjacent element is visualized by a red rectangle positioned at the exact spot of the connection The only elements capable of being connected to belts are of the type Les seuls l ments pouvant tre connect s des courroies sont les l ments de type e Inertia on the side Creating a belt element 1 Click on the Creation of belts tool A rectangle symbolizing the element then becomes attached to the mouse cursor 2 Position the element at the desired place in the model by means of moving the mouse cursor 3 When the element is in the desired position make a right click with the mouse 4
12. specify a torque view for the 6100Rpm speed of harmonic 6 for the 194deg angle with a reference display relative to the 15 stiffness speed level The graph views are save on the hard disk drive using the same name as described before with the file extension wmf Zei Activating the tool 4i leads to the automatic saving of the animated displayed screen The default recording is made every 5 deg It is possible to change this behavior in the file vibtor ini in the following section VideoGraph OnelmageEvery 5 Forced vibrations graph Activating this tool displays the dialog box allowing the forced vibrations to be plotted as graphs The following results can be displayed Forced vibrations graph l x Display type Close Speed Frequency Reference amplitude Set up Output Ce Amplitude Relative Amplitude Acceleration Relative acceleration C Distorsion C Stress Torque or force Damping power Elements 1 17 Frein E l2 Volant e BE 7 e Amplitude or relative amplitude in the elements For the last option the user has to select the reference element in the second list box Notice that the relative amplitude are displayed corresponding to the speed level of reference element or the reference speed if the corresponding check box is selected User Manual VibtorV3 03 014 R1660 731 15 Results interpretation e Acceleration and relative acceleration e Elements distort
13. the project associated with the active window without exiting the application In the case where the project has been modified the user is prompted to save project work before closing Should the response be negative any modification performed since the previous save will be lost Opting to close a project triggers the closing of all associated windows Delete This option serves to delete all files associated with a given project It is not possible to delete an open project Insert model This option enables inserting the model associated with a previously defined project into the model corresponding with the active window By default all inserted elements are assigned the selected attribute and may be positioned interactively within the given model This option can only be activated in cases where Model definition has been set as the active software function Comments A list of comments is associated with each project This option opens a dialogue box that enables defining or modifying some of these comments The set of information characterizing a project would be the following Plant name Workshop name User Manual VibtorV3 03 014 R1660 51 75 File 1 Name of first user 2 Date of initial use 3 Name of most recent user 4 Date of last modification Device Subset Date of service startup Notes Unrestricted comments limited to 500 characters Fields designated 1 through 4 above may not be
14. 0 13000 14000 15000 16000 17000 18000 19000 Vitesse trs mn The right click in the graph displays the following dialog box allowing the modification of X Y axis attributes It is possible to modify the following entries y Notice that the activation of the tool leads to the automatic saving of the displayed screen The saved screenshots are automatically named by the software For the forced vibrations graph the names are constructed the following way e Root RES v for results e Followed by graph GRAPH for forced vibrations graph e Followed by a three char Id describing the graph type AMP for amplitude AMR for relative amplitude ACC for acceleration ACR for relative acceleration DIS for distorsion TOF for torque or force POW for power User Manual VibtorV3 03 014 R1660 75175 Results interpretation e Followed by the element number in the list box In case of relative displacement the reference element is added with the prefix e When the reference amplitude option is selected the Ref Id is added followed by the stiffness number of the reference element e Fora display in speed axis the Sp Id is added for a display in frequency the Fr Id is added Ex RES GRAPH AMR2 20Ref1Sp specify a relative amplitude of inertia 2 relative to 20 in speed level relative to 1 displayed in speed The graph views are save on the hard disk drive
15. 3 The element position is rejected in the case where it has been superimposed either totally or partially onto an existing element User Manual VibtorV3 03 014 R1660 25 75 Reference speed Modifying the size of a belt element 1 Select the target element A selected element is characterized by a dashed frame in addition to this frame four rectangles are displayed that correspond to handles used for modifying the horizontal and vertical dimensions of an element 2 Position the mouse cursor on one of the handles used to resize the element The mouse cursor then takes the form of a horizontal or vertical arrow 3 While holding the right mouse button down modify the size of the element y The frame corresponding to the element always coincides with the grid points Moving a belt element 1 Select the target element 2 Position the mouse cursor inside the frame symbolizing the element yet beyond the handles used to resize the element The mouse cursor then takes the form of a cross 3 While holding the right mouse button down move the target element 4 Release the right mouse button once the element is in the desired position User Manual VibtorV3 03 014 R1660 26 75 Reference speed E Predefined structures Activating this tool allows inserting predefined structures into the model In the present version of the software two types of predefined structures are implemented the first is composed of n inertias and
16. 75 Model definition Preferences oo HI Language This menu option enables choosing the language to be used by the Torsional vibrations software application as regards both the user interface and the computation notes The texts appearing in the software interface have all been defined in external formatted files and may thus be adapted by the user The pertinent files are located in the software installation directory and have been given the following names Menu file e Menu ir French language e Menu en English language e Menu dt German language Dialogue box file e Lang fr French language e Langen English language e Lang dt German language Message file e msg fr French language e msg en English language e msg dt German language eo HI Units This option opens a dialogue box that enables modifying the units associated with each of the magnitudes used in the application As indicated in the figure below it is possible to adjust the format of magnitudes associated with each unit by setting the number of decimal places and specifying whether scientific notation is preferred or not unit choice scientific notation opge 3 le F number of decimal places Pressing the following buttons e International system Anglo Saxon units Default units allows updating the units associated with each magnitude within the selected system The Save as default button allows saving the current
17. Diagramm l x 3 Double click on an eigenvalue to modify its state as either active yes or inactive no You can show or hide all You can invert the state of the selection You can select a range by holding the Shift key between two clicks Or make a multiple selection by holding the Ctrl key while clicking in the list Defining active excitation frequencies 1 Activate the Eigenfrequencies and active excitation frequencies tool 2 Click the Excitation frequencies tab User Manual VibtorV3 03 014 R1660 69 75 Results interpretation Campbell Diagramm Ei Level 3000 RPM 3000 0 Mo Level 1500 RPM 1500 0 Level 1500 RPM Level 1500 RPM Toothing 66000 RPM 66000 0 Level 3000 RPM Harm 2 Level 3000 RPM Harm 3 Level 3000 RPM Harm 4 12000 0 Laval mI ODM Were E TENT NMN Kla 3 Double click on an excitation value to modify its state as either active yes or inactive no You can show or hide all You can invert the state of the selection You can select a range by holding the Shift key between two clicks Or make a multiple selection by holding the Ctrl key while clicking in the list Table of results Activating this tool opens a dialogue box that enables visualizing the primary results in tabular form It is thus possible to visualize the following results e Vibration eigenfrequencies expressed in hertz and in revolutions min e Excitation frequencies expressed in hert
18. I Exit This option allows the user to exit the Torsional vibrations program In the case where open projects had been modified since the time of their last save the application proposes saving these latest modifications User Manual VibtorV3 03 014 R1660 8 75 Titre du chapitre 1 Edit Undo This option enables canceling the most recent action performed lt is possible to undo several successive operations by activating the Edit Undo menu option several times or by clicking the Undo button several times The Edit Undo list option serves to visualize the headings of actions capable of being cancelled Ze The list of actions capable of being cancelled or reinstated is cleared after each task change Undo list The Edit Undo list menu option allows visualizing the headings of actions capable of being undone al Redo This option allows reinstating the most recent action cancelled It is possible to redo several operations previously cancelled by activating the Edit Redo menu option several times or by clicking the Redo button several times The Edit Redo list option serves to visualize the headings of actions capable of being reinstated ay The list of actions capable of being reinstated is cleared after completion of any new action that does not correspond to the Undo function Redo list The Edit Redo list menu option allows visualizing the headings of actions capable of being reinstated
19. Moving a gear train element 1 Select the target element 2 Position the mouse cursor inside the frame symbolizing the element yet beyond the handles used to resize the element The mouse cursor then takes the form of a cross 3 While holding the right mouse button down move the target element 4 Release the right mouse button once the element is in the desired position Creation of planetary gear trains Activating this tool serves to create and position a planetary gear train element The element is placed in the model thanks to a grid that acts as a guide Unconnected element Connected element The connection with an adjacent element is visualized by a red rectangle positioned at the exact spot of the connection The only elements capable of being connected to a planetary gear train are of the type e Stiffness in the axis e Inertia in the axis e Gear train in the axis e Planetary and differential gear train in the axis Creating a planetary gear train element 1 Click on the Creation of planetary gear train tool A rectangle symbolizing the planetary gear train element then becomes attached to the mouse cursor 2 Position the element at the desired place in the model by means of moving the mouse cursor 3 When the element is in the desired position make a right click with the mouse User Manual VibtorV3 03 014 R1660 23 75 Reference speed 4 The element created thus lies in the direction
20. ag ma Validate Close Number of satellites Number of satellites in the differential system Unit inertia The polar inertia of a satellite The E button opens the calculation assistant for the inertia of a series of cylindrical segments Unit mass The mass of a satellite Damping Number of satellite teeth Number of gearing teeth on a satellite Number of ring teeth Number of gearing teeth on the ring Satellite to planetary axes dist Distance between planetary axes and satellite axes or pitch center Enter the set of properties under the fourth tab Planetaries User Manual VibtorV3 03 014 R 1660 41 75 Reference speed Differential definition x Differential Crown Satelites Planetaries Teeth Stiff Top planetary inertia Top planetary teeth number Top planetary damping 5590000 mNs Rd Top planetary ref speed 1 00 Bottom planetary inetia 0000000 Kam2 Bottom planetary teeth pb Bottom planetary damping 7000 000 mNs Ra Bottom planetary ret fo aan my 1 00 Planetaries relative 0 000e 000 mNs Rd Validate Close Inertia Value of inertia specific to the satellite frame The Calculer button opens the calculation assistant for the inertia of a series of cylindrical segments Number of planetary teeth Number of gearing teeth on a planetary Damping Reference speed The relative speed for the planetary This parameter is used for free and forced vibration displ
21. alog box The element number is displayed in the Label edit box of the dialog box Define both the inertia and the number of teeth of the considered gear train The Calculer o button opens the calculation assistant for the inertia of cylindrical segments in series Define the auxiliary property of damping Click directly on the target element in order to assign these properties na Assigning the same characteristics to several elements 1 Select the gear trains that feature the same inertia and the same number of teeth 2 Activate the Gear train properties definition tool 3 Indicate both the inertia and the number of teeth of the considered gear train 4 Define the auxiliary property of damping 5 Click the Validate button in order to assign this inertia and number of teeth to the entire set of selected elements Within the Validate option both the Identifier and Number fields are ignored Displaying the properties of an element 1 Activate the Gear train properties definition tool 2 Right click on the target element The assigned properties are then displayed in the dialogue box Zei Right click on gear directly opens the properties dialog box for the selected element User Manual VibtorV3 03 014 R 1660 32 75 Reference speed K J Definition of gearing stiffness properties Activating this tool serves to assign gearing stiffnesses Assigning a gearing stiffness 1 Press the Gearin
22. atellite The calculation assistant for the inertia of a series of cylindrical segments e Unit mass The mass of a satellite e Number of satellite teeth Number of gearing teeth on a satellite e Number of ring teeth Number of gearing teeth on the ring 5 Enter the set of properties under the fourth tab Satellite port User Manual VibtorV3 03 014 R1660 36 75 Reference speed Definition of planetary gear e Inertia Value of inertia specific to the satellite frame The ponam the calculation assistant for the inertia of a series of cylindrical segments e Center distance Value of the center distance between the axis of rotation of the satellite frame and the axis of rotation of a satellite e Damping for the satellite frame button opens 6 Enter the set of properties under the fifth tab Toothing stiffnesses User Manual VibtorV3 03 014 R1660 37 15 Reference speed Definition of planetary gear x Planetary gear Sun Satellites and crown Satellite port Stiffness of teeth Solar side stifness Linear stif TALI Calculate Lin damping Hysteresis Lin stress rate MPa mm Crown side stiffness Linear stif Calculate Lin damping Hysteresis Lin stress rate MPa mm Validate Close e Ring side stiffness Value of the torsional toothing stiffness between the ring and each satellite The power button opens the standard dialogue box that enables calc
23. ay in reference speed It is also used for relative displacement or acceleration between inertias vy The two ref speed cannot be zero at the same time vy Depending on the planetary teeth numbers the model drawing can one of the following Top and bottom planetary teeth numbers are En DR equal L a Top planetary teeth number is greater than bottom planetary teeth number Top planetary teeth number is lesser than bottom planetary teeth number User Manual VibtorV3 03 014 R1660 42 15 Reference speed 6 Enter the set of properties under the fifth tab Toothing stiffnesses Differential definition e Top side stiffness Value of the torsional toothing stiffness between the top planetary Calculer and each satellite The enables calculating toothing stiffnesses button opens the standard dialogue box that User Manual VibtorV3 03 014 R1660 43 75 Reference speed Stiffness of gear connection x Properties Validate Number of teeth fo lo Modulus 0 000 mm Linear sti D mm Calculate Equivalent stiffness 0 000e 000 0 000e 000 mAd Deport om 000 Pressure angle an 0 000 deg Inclination angle 0 000 deg Toothing width 0 000 mm WE Wheel Body factor 0 000 Calculate Close di e Bottom side stiffness Value of the torsional toothing stiffness between the bottom planetary and each satellite The EEE button opens the standard dialogue box that enables calcu
24. blue slanted lines serve to characterize the proximity zone see section on Preferences Default values This diagram thus makes it possible to verify whether the intersection points of the lines representing eigenfrequencies and excitation frequencies are located inside the proximity zone hazardous behavior or not acceptable behavior Right clicking on the graphics window opens a dialogue box that enables modifying the attributes of both the x and y axes It becomes possible in particular to modify the following elements secondary gnd m pnmary grid 1 10 100 1000 10000 Excitation values RPM Min T Max Legend e Minimum axis value which may be modified using a drop down list containing the predefined values 1 10 100 1000 and 10000 Maximum axis value Caption Representation of the primary grid values 1 10 100 1000 Representation of the secondary grid intermediate values Campbell diagram Activating this tool allows visualizing the Campbell diagram which contains linear scales and resembles the following Campbell Diagramm Ref Speed 3000 RPM Level 1500 RPM 9000 Level 1500 RPM Harm 2 Level 1500 RPM Harm 3 8000 Level 1500 RPM Harm 4 7000 Level 1500 RPM Harm 5 Level 1500 RPM Harm 6 6000 Level 1500 RPM Harm 2 Level 1500 RPM Harm 3 Level 1500 RPM Harm 4 Lag Level 1500 RPM Harm 5 4000 Level 1500 RPM Harm 3 2542 3813 Level 1500 RPM Harm
25. disk then click on Forced displacement the measured acyclism are applied on the selected model disk Selecting Compared displacement allows the user to compare the measure to forced vibration calculations The graph display in forced vibrations with measurements is shown bellow bold line is calculation and dash line is measurement T VibTor Etude1 vtr el x Amplitude 4 Cylindre Er CAREC TOH eN ief ADE en Al A Angle deg IR ENEN PIT LL WEI Wich NN Naa 300400500600 70080090 10011012013014015016017000 Vitesse trs mn 18870 712401 i 13536 SE User Manual VibtorV3 03 014 R1660 60 75 Reference speed y When you make an export of the forced vibration results the header is always present so you don t have to enter the parameter manually af You can edit your import file to manually add the import parameter to avoid having to set them each time You can take an example with an exported file generated by the software Don t forget to have the number 1 at the beginning of the header which is the version number of the reading routine Sample of export file header 2 Header version 13 Item number 20 Harmonic number 1 Static present 1 First bloc begin line number starting after header 24 Second bloc begin line number 3 Data begin line number 23 Data end line number 1 Name line number 1 Name column number 2 Harm
26. e 16 Default values nr 17 al Ne gege 17 Modelde itO AA AA AA 19 oe 19 Creation Of stiffnesses sin 20 Creation of inertias iii dieser 21 Na Creation of gear trains rennes 22 Creation of planetary gear trains un anun a 23 Creation of differential DAS 24 7 Creation of belts iii dieser 25 St Predefined structures iii 27 SB Symmetry nnen 27 H CHAOS sien ciosiereresiozeiocmajiseie sens oenee a okie ipese yates een seeraeenieeet onesie esenesieesenenesanoeee 27 Id engt 28 ik Definition Of stiffness properties VV 29 oto Definition of inertia properties ss 30 mW Definition of gear train properties nennen eenen eenen eenen 32 di Definition of gearing stiffness properties 33 a Definition of planetary gear train properties 35 Ze Definition of differential gear train properties enen ennr venen enen ennn ven 40 ke D finition of belt POPE NE nie diet none dei 45 FADICAU AE elle 48 User Manual VibtorV3 03 014 R1660 3 75 Calculer Assistant de calcul de l inertie d une s rie de tron ons cylindriques 49 Calculer Stiffness calculation assistant for a series of cylindrical segments 50 re Conrod torque library a 50 Cam COCO OA eo PAA 54 J User defined torque library sisi 55 SS Torque on Inertta ii sssccccccccccececccecceneneeeeeeeenee 57 B Measurement IMO d 58 Le DOI ON ee a eee nee 61 FICTEN ENCE SPECO APA PAMPA ee 63 Rotational reference sp
27. e As This option serves to save the project corresponding to the active window its activation opens a dialogue box that enables defining the name preferred for the project as well as the storage directory By default the working directory is proposed for this saving operation All Torsional vibration projects possess the vts suffix User Manual VibtorV3 03 014 R1660 6 75 File Graph view manager This option primarily allows saving the graphical image corresponding to the active window with the intention of inserting it into the computation note Saving a graphical view 1 Identify the name of the graphical view in the cell marked Name 2 Introduce any eventual comments characterizing the view by completing the cell marked Description 3 Click the Save button in order to effectively save the graphical view 4 Click the Close button to close the dialogue box This option also enables deleting a previously saved graphical view Deleting a graphical view 1 Select the name of the graphical view to be deleted from the list of previously defined views 2 Press the Delete button 3 Click the Close button to close the dialogue box if Note herein that activating the tool triggers the automatic saving of the view displayed on the screen The views saved in this manner are named with a program defined default 8 Print This option enables printing the graphical image corresponding to the active windo
28. e is located Item name col Column number where the item name is located Item order line Line number where the order is located Item order col Column number where the order is located Speed col Column number where the speed is located A col Column number where the A coefficent is located In case of negative value the opposite value of A is stored B col Column number where the B coefficent is located In case of negative value the opposite value of B is stored Coefficient Multiplicative coefficient to be applied to data The software must handle angles in radian as import Phasis Angle to make the measurement phasis match with the O angle of the calculation If the phasis reference of the measurements is A deg before 0 angle set this Phasis parameter to X If the phasis reference of the measurements is Y deg after O angle set this Phasis parameter to Y Valider en cliquent sur OK 5 Click on the Import mesure button to open the file selection dialog box The right list is filled with the measurements the left list is filled with the inertia disks The user can associate the measurements to the calculations in the two following ways User Manual VibtorV3 03 014 R1660 59 75 Reference speed Import mesure Import mesure M Parameter header Import parameter Import mesure Measurement use Volant lt PER WED Ar Poulie basse 37c PI VED Ay Grand pignon 6 Click on a measure and on a
29. ed displacements in calculations Defining 1 Activate the tool Measurement import The dialog box allows the setting of the following elements Import mesure X Import mesure M Parameter header Import parameter Import mesure Measurement use pa pa Peel Peel een link 2 Click on the Parameter header check button to specify if the import parameters are present at the beginning of the file 3 Click on the Import parameter button to open the dialog box where to set the parameters to read from the measurement file User Manual VibtorV3 03 014 R1660 58 75 Reference speed ltem number ja Harmonic number jo Static present Begin first block fo Begin second block fo First data line fo Last data line fo ltem name line fo ltem name col fo ltem order line fo ltem order col fo Speed cal fo A col fo B col fo Coefficient p Fhasis oo deg 4 Fillthe import parameter fileds Item numbers Number of measurements to import Harmonic number Check Static Present if HO is in the file Begin first bloc Line number for the beginning of a n harmonic bloc definition removing the useless header lines Begin second bloc Line number for the beginning of the second bloc harmonic bloc First data line Beginning line number for the harmonic data in the bloc Last data line End line number for the harmonic data in the bloc Item name line Line number where the item nam
30. eed 63 Calculation AUN GD AA AA 64 T l Calculation parameter and calculation launch a 64 nG WIN AA AA AA AA AA AA AA 66 SA dee eee 66 Vibration ugeet 66 Proximity diagram aaneen enen een enenenennrvenerenenenenvenenenenennerenenenenennerenenenen 67 Calm Dell AA AM esse AA aei 68 Eigenfrequencies and active excitation frequencies annen ennen 69 Kee ge EE 70 Forced VIDEOS O TON E 70 Forced vibrations graph ss 73 A Forced vibrations export sise 76 User Manual VibtorV3 03 014 R1660 4 75 File File D New This menu option allows generating a new Torsional vibration project Selecting this command triggers the creation of an empty window whose title is the name of the new project Vibtor1 as a default This window is positioned superimposed on the preexisting set of windows The Window menu option serves to reorganize all active windows Open This menu option enables opening a Torsional vibration project that has already been saved The Torsional vibration projects are all given either the suffix VTS for standard projects or VTR reference projects Opening a project triggers the creation of a window containing the corresponding model with the project name serving as the title This window is positioned superimposed on the preexisting set of windows The Window menu option allows reorganizing all active windows Close This option is used for closing
31. eed 1 Click on the Rotational reference speed tool 2 Input the stiffness element number that serves to characterize the reference level 3 Set the reference speed of this level It should be noted that setting this reference speed initiates an update of the list denoted Category 1 default exciter speeds which contains the rotational speed of each level as well as the exciter speeds due to gearings Defining the complementary exciter speeds 1 Input when applicable the additional excitation frequencies those not incorporated by default within the dedicated table User Manual VibtorV3 03 014 R1660 63 75 Results interpretation Calculation launch fi 4 Calculation parameter and calculation launch Activating this option allows the user to choose the calculations to perform and to define the calculations parameter e The calculation speed for the free vibration e Min and max speed and speed number for the forced vibrations calculations Calculations launch x Calculation Free vibrations parameters MW Eigenmodes Speed 2000 trs mt Skip sensibility matris Forced vibrations parameters h Forced vibrations Min speed li DOD trs mt Mas speed 8000 tra mn Speed number 21 Skip deform drawing Calculation monitoring ei The speed number must be greater than 2 vy Progress messages are displayed at the bottom side of the dialog box Ze When a property is missing a message box gi
32. eld Click directly on the inertia in order to assign this torque OE Assigning the same characteristics to several elements Select the inertias that feature the same torque Activate the Torque on inertia tool Input all associated properties Click the Validate button in order to assign these same characteristics to the entire set of selected elements ONE Removing torques on one or several disks Select the inertias where to remove torques Activate the Torque on inertia tool Keep all fields empty Click the Validate button EE E Displaying the properties of an element 1 Activate the Torque on inertia tool User Manual VibtorV3 03 014 R1660 571 75 Reference speed 2 Right click on the target element The assigned properties are then displayed in the dialogue box Zei When assigning the characteristics that shall not be altered can be kept by leaving the corresponding field empty If both field are empty the torque is removed Ze The phasis represents the firing angle for considered torque The cylinder 1 phasis must then be set to zero af lt is possible to fine tune the cam torque timing using a slightly different phasis from the normal firing angle for the considered cylinder O Measurement import This tool allows the user to import acyclism measurements The measurements can be assigned on inertia disks in order to be compared to calculations or to be imposed as forc
33. fier and Number fields are ignored Ne a Displaying the properties of an element maha Activate the Stiffness definition tool 2 Right click on the target element The assigned properties are then displayed in the dialogue box iy Right click on stiffness directly opens the properties dialog box for the selected element S The damping is only used in forced vibrations The stress rate is only used to display stress in the element following forced vibrations calculations User Manual VibtorV3 03 014 R1660 29 75 Reference speed l Definition of inertia properties Activating this tool serves to assign the characteristics of one or several inertia elements Assigning properties to an inertia element 1 Press the Inertia definition tool The following dialogue box is then displayed x Close Optional Identification ID 1 Label Properties Inertia 0 UU Kom Calculate Damping 0 000e 000 mis d Pendulum mertia 0 000000 Fame Tuning 0 000000 Brake The element name is displayed in the Id edit box of the dialog box The element number is displayed in the Label edit box of the dialog box Identify the inertia of the target element The EEE button opens the calculation assistant for the inertia of cylindrical segments in series Define the auxiliary properties of damping pendulum inertia and pendulum tuning Check the brake property to create a static torque brake on the d
34. g stiffness definition tool The following dialogue box is then displayed Stiffness of gear connection D x Optional Identification Validate Label Properties H Number of teeth Modulus 0 000 Calculate 0 00 0 00 HIEN CH E Linear stif Equivalent stiffness Lin damping 0 00000 Nam Hysteresis fo ULI Lin stress rate 0 00 M admm 0 000 Deport UU m maa CL Ch IC Pressure angle an Inclination angle Toothing width 0 000 WE Wheel Body factor 0 000 Calculate 2 The element name is displayed in the Id edit box of the dialog box 3 Identify the gearing stiffness Activating the Calculate button initiates the gearing stiffness computation see the theoretical manual on the basis of the following elements Number of teeth for each gear train this number may be recovered by right clicking on the gearing Toothing offset X for each gear train Real modulus min Real pressure angle an Inclination angle a Toothing width Wheel body WB factor User Manual VibtorV3 03 014 R1660 33 75 Reference speed Ze The equivalent torsional stiffness is the stiffness relative to the gears The equivalent torsional stiffness can be modified the other stiffnesses will be calculated in consequence 4 The wheel body factor WB may itself be computed thanks to the WB coefficient calculation Calculer CR assistant S
35. grid points User Manual VibtorV3 03 014 R1660 11 75 Preferences View a Enlarge This tool allows maximizing the view proposed on the screen For this step the rectangular portion to be shown in a full screen display is defined using the mouse Defining a zoom range 1 Activate the Enlarge tool 2 Click on a screen point that serves as a corner of the rectangle defining the zoom range by using the left mouse button 3 Hold the button down and move the mouse to where the obtained rectangle is acceptable 4 Release the mouse button SI Reduce This tool is used in order to decrease the apparent size of the model within the active view Reducing the view 1 Activate the Reduce tool The apparent size of the structure is then reduced al Full screen display Activating this option triggers an automatic modification of the scale used for model representation whereby model visualization occupies the entire screen space A Grid calibrated display Activating this option triggers an automatic modification of the scale used for model representation whereby visualization of the grid Xmin Xmax Ymin Ymax occupies the entire screen space Information bar The Information bar option constitutes a status indicator to be checked or not for informing whether the display of a help function row at the bottom of the Torsional vibrations window is preferred or not User Manual VibtorV3 03 014 R1660 13
36. hat acts as a guide ew Unconnected element Connected element The connection with an adjacent elements is visualized by a red rectangle positioned at the exact spot of the connection The only elements capable of being connected to a differential gear train are of the type e Stiffness in the axis Inertia in the axis Gear train in the axis and on the side Planetary gear train in the axis Differential gear train in the axis and on the side Creating a differential gear train element 1 Click on the Creation of differential gear train tool A rectangle symbolizing the differential gear train element then becomes attached to the mouse cursor 2 Position the element at the desired place in the model by means of moving the mouse cursor User Manual VibtorV3 03 014 R1660 24 75 Reference speed 3 When the element is in the desired position make a left click with the mouse ig The element position is rejected in the case where it has been superimposed either totally or partially onto an existing element Modifying the size of a differential gear train element 1 Select the target element A selected element is characterized by a dashed frame in addition to this frame four rectangles are displayed that correspond to handles used for modifying the horizontal and vertical dimensions of an element 2 Position the mouse cursor on one of the handles used to resize the element The mouse cursor then takes the form
37. he Wheel ID fields indicate the numbers of the two wheels to which the belts are connected Right clicking on the target belt enables recovering these numbers 2 Select the computation mode for equivalent stiffnesses If the chosen option is User defined equivalent stiffness the following dialogue box is displayed Belt stiffness O x Optional Identification Validate ID Cl Label E Properties ID disk 1 0 fo C Linear stiffness Calculated Ce Linear stiffness user defined Number of belts fo Section of one belt 0 00 mms Modulus of elasticity 0 000 Mme Distance btw axes 0 000000 Har Coefficient of assembly 1 2 0 000000 Left disk Right disk Diameter 1 0 000 0 000 mm Linear stif 0 00 Mmm Equivalent stiffness O o 0 00 mmh Ad Lin damping 0 0000 Hein Hysteresis fo 000000 Lin stress rate 0 00 hPa mm User Manual VibtorV3 03 014 R1660 45 75 Reference speed e Diameters Left wheel Right wheel These fields represent the belt winding diameter values When in user defined mode these diameters are used for calculating both the speed ratio and the equivalent stiffness with respect to the right wheel e Linear stiffness the stiffness in traction of the belt e Equivalent stiffness Wheel This value represents the equivalent stiffness with respect to the left wheel 3 If the option selected is Calculated equivalent stiffness the following dialogue box is displayed Belt stiffness x Opt
38. how C Angle Mm speed trs min Max speed sooo trs mn Torque E D 5 E Lk o 1500 2000 2500 3000 3500 4000 4500 5000 5500 Speed RPM 2 Fill the speed and speed number fields then press the show button to refresh the graph 3 Select the Angle option button to switch to the cycle view of the torque 4 Fill the speed field then press the show button to refresh the graph as shown bellow x C Hamonic Speed Sn tr mn Speed number among EES Show fe Angle Min speed ula Ered mr Mas speed E000 ras mr Torque Nm Angle deg User Manual VibtorV3 03 014 R1660 53 75 Reference speed Ke You can left click in the graph view to obtain X Y values on the curve e You can stretch the dialog box border to size the graphic view as you wish y R t Cam torque library This tool allows the user to define the torques coming from cam taking into account inertias from reciprocating masses and spring force Defining 1 Activate Cam torque library The dialog box allows defining the following elements Cam torque librairy x Required identification e ME Delete Show Properties Moving mass fo kg Cam friction Came radius Valve friction Import valve lift mm 7 Mecanical spring Ce Air spring Preload UOD DO N Linear stit 250 00 Hmm Piston surface fo mmz Initial pressure fo Bar Alr spring fo cma Polytropic fd 2 3 d 5 6
39. imply click on the button and the following dialogue box is displayed Calculate WB xX nd Modulus 0 00 mir zl 1 b Toothing width 0 00 mm st Gear rim thickness 0 00 mir bs Thickness of the central 0 00 mir bs WE Wheel Body factor 0 00 5 Enter the values of both the gear rim thickness sr and the thickness of the central wheel wobble bs then click OK 6 Click on the vertical red line characterizing the target gearing in order to assign these properties Assigning the same characteristics to several elements 1 Select those gearing stiffnesses that feature the same stiffness values 2 Activate the Gearing stiffness definition tool 3 Indicate the appropriate gearing stiffness 4 Click the Validate button in order to assign this stiffness to the entire set of selected elements Within the Validate option the Number field is ignored Displaying the properties of an element 1 Activate the Gearing stiffness definition tool 2 Right click on the target element The assigned properties are then displayed in the dialogue box e The equivalent stiffness is the rotational stiffness expressed for each gear This result is informative Ze Right click on gearing stiffness area directly opens the properties dialog box for the selected element User Manual VibtorV3 03 014 R 1660 34 75 Reference speed a Definition of planetary gear train properties Activating this tool serves to define planetar
40. ional Identification Validate ID Lahel Close Properties ID disk 1 fo fo Linear stiffness Calculated C Linear stiffness user defined Number of belts fo Section of one belt O o mma Modulus of elasticity 0 000 Nemz Distance btw axes 0 000 re Coefficient of assembly 1 2 0 000000 Lett disk Fight disk Diameter 1 0 000 0 000 cm Linear stit fo UU Mmm Equivalent stiffness 0 000e 000 0 000e 000 mi Rd Lin damping UU KERI Lin stress rate 0 00 hPa mmm Number of belts Number of identical belts used in parallel within the connection Belt side cross section Net cross section dimensions of a belt side Elasticity modulus Modulus of elasticity in the axial direction of a belt side Center distance Distance separating the axes of rotation of the wheels Assembly coefficient Multiplier that depends on both the assembly tension and the type of belts This coefficient must be situated between 1 and 2 4 Set the auxiliary properties of damping hysteresis and stress rate 5 Click directly on the target element in order to assign these properties 6 Click on the Close button to end this session User Manual VibtorV3 03 014 R1660 46 75 Reference speed Assigning the same characteristics to several elements 1 Select the belt connections featuring the same characteristics 2 Activate the Belt connection stiffness tool 3 Input all associated properties 4 Click the Validate button i
41. ions Depending of the element type the distortion is expressed as an angle or as a length e Stress in the elements This display is valid when the stress rate is specified in the model elements e Torque or force depending if the element stiffness is torsional or linear e Damping power in the elements where the damping has been specified e The Reference amplitude checkbox selection displays the displacement in the speed level defined by the reference speed The setup button displays the dialog box where harmonic selection can be made for the current graph Harmonic choice Cancel Show all Hide all iE RE Sel invert Double click on an harmonic to modify its state as either active yes or inactive no You can show or hide all You can invert the state of the selection You can select a range by holding the Shift key between two clicks Or make a multiple selection by holding the Ctrl key while clicking in the list The following view shows a graph with the recall of visualization options User Manual VibtorV3 03 014 R1660 74 15 Results interpretation Amplitude relative 1212 120 Bras Angle deg o o o o o o o to pa 3 D x co 8 s a Ss 8 8 NE d ag la ni ae Je Je Jon GO ON IA HH ID D E in om im o Ip Io Cs Tl r dl a 6000 7000 8000 9000 10000 11000 1200
42. isk Click directly on the target element in order to assign these properties pe SIN NO Assigning the same characteristics to several elements Select those elements featuring the same inertia Activate the Inertia definition tool Indicate the inertia of the target element Click the Validate button in order to assign this inertia to the entire set of selected elements Within the Validate option both the Identifier and Number fields are ignored ee i Displaying the properties of an element 1 Activate the Inertia definition tool 2 Right click on the target element The assigned properties are then displayed in the dialogue box Zei Right click on stiffness directly opens the properties dialog box for the selected element ei The damping is only used in forced vibrations User Manual VibtorV3 03 014 R 1660 30 75 Reference speed Ze The tuning must be defined as a harmonic on engine speed even though it is located on a different speed level User Manual VibtorV3 03 014 R1660 31 75 Reference speed l N Definition of gear train properties Activating this tool serves to assign the properties characterizing a gear train Assigning properties to a gear train 1 Press the Gear train properties definition tool The following dialogue box is then displayed Inertia Fame Calculate D amping Ms d Number of teeth The element name is displayed in the ld edit box of the di
43. lating toothing stiffnesses e Damping and Hysteresis in the meshing e Stress rate per unit strain to display equivalent stress as results 7 Click directly on the target element in order to assign these properties 8 Click on the Close button to end this session Assigning the same characteristics to several elements 1 Select the differential gear trains that feature the same characteristics 2 Activate the Differential gear train definition tool 3 Input all associated properties 4 Click the Validate button in order to assign these same characteristics to the entire set of selected elements Displaying the properties of an element 1 Activate the Differential gear train definition tool 2 Right click on the target element The assigned properties are then displayed in the dialogue box e Right click on Differential directly opens the properties dialog box for the selected element User Manual VibtorV3 03 014 R 1660 44 775 Reference speed ke D finition of belt properties Activating this tool serves to define belt properties Defining belt properties 1 Activate the Belt connection stiffness tool The dialogue box presented allows defining the following elements e dent This field refers to the ID of the belt connection used both for the graphics display and in the computation note e Number This field refers to the belt connection number as regards the stiffness used in the sensitivity table e T
44. leave the field empty and click on the elements T Multiple selection is allowed to assign the same Id to several elements User Manual VibtorV3 03 014 R1660 28 75 Reference speed k Definition of stiffness properties Activating this tool serves to assign the characteristics of one or several stiffness elements Assigning properties to a stiffness element 1 Press the Stiffness definition tool The following dialogue box is then displayed x Validate Optional Identification Properties Stiffness nih Rd Calculate Damping ms dd Hysteresis Stress rate Maddeg 2 The element name is displayed in the Id edit box of the dialog box 3 The element number is displayed in the Label edit box of the dialog box 4 Define the stiffness of the target element The Ge button opens the calculation assistant for the stiffness of cylindrical segments in series 5 Define the auxiliary properties of damping hysteresis and stress rate 6 Click directly on the target element in order to assign these properties Assigning the same characteristics to several elements Select those elements featuring the same stiffness Activate the Stiffness definition tool Indicate the stiffness of the target element Define the auxiliary properties of damping and stress rate Click the Validate button in order to assign this stiffness to the entire set of selected elements Within the Validate option both the Identi
45. lement position is rejected in the case where it has been superimposed either totally or partially onto an existing element Modifying the size of a stiffness element 1 Select the target element A selected element is characterized by a dashed frame in addition to this frame four rectangles are displayed that correspond to handles used for modifying the horizontal and vertical dimensions of an element 2 Position the mouse cursor on one of the handles used to resize the element The mouse cursor then takes the form of a horizontal or vertical arrow While holding the right mouse button down modify the size of the element Le The frame corresponding to the element always coincides with the grid points Moving a stiffness element 1 Select the target element 2 Position the mouse cursor inside the frame symbolizing the element yet beyond the handles used to resize the element The mouse cursor then takes the form of a cross 3 While holding the right mouse button down move the target element User Manual VibtorV3 03 014 R1660 20 75 Reference speed 4 Release the right mouse button once the element is in the desired position Creation of inertias Activating this tool serves to create and position an inertia element The element is placed in the model thanks to a grid that acts as a guide As a default this element is represented by a line inscribed within a rectangle and then completed with a circle at each of
46. modified by the user Fields 1 and 2 are automatically updated when the given project is saved for the first time Fields 3 and 4 are automatically updated each time the project is saved The Name of plant and Name of workshop fields are completed by choosing entries from predefined lists The list of plant names is contained within the Companies dat file located in the software installation directory This file has been formatted in the following form Plant1 FilePlant1 dat Plant2 FilePlant2 dat Plant3 FilePlant3 dat Planti FilePlanti dat In each row of this file the chain of characters positioned before the sign contains the name of the given plant this name will be displayed in the drop down list corresponding to the heading Name of plant The chain of characters positioned after the sign contains the name of the file within which the workshops at the considered plant have been specified Each of these files e g FilePlant1 dat displays the following format D1 Workshop 1 D2 Workshop 2 D3 Workshop 3 Di Workshop Each row of this file contains the name of the given workshop in the chain of characters positioned after the sign The keyword in front of the sign is arbitrary El Save This option allows saving the project corresponding to the active window When this command is used for the first time default project name Vibtor1 the command Save As automatically gets activated Sav
47. n 1 stiffnesses positioned in series while the second structure serves to generate reduction train data whose number of levels is defined by the user When activated this tool opens a dialogue box that enables choosing the type of predefined structure and setting the structure definition parameter The structure itself is then positioned within the model in a way analogous to that described for the simple elements Creating a predefined structure Click on the Predefined structure tool Choose the type of predefined structure Set the number of inertias or number of levels Move the mouse cursor outside the dialogue box A series of rectangles symbolizing the predefined structure then become attached to the mouse cursor 5 Position the predefined structure at the desired place in the model by means of moving the mouse cursor 6 When the predefined structure is in the desired position make a right click with the mouse aai ad EE iy The position of the predefined structure is rejected in the case where an element of this structure has been superimposed either totally or partially s2 Symmetry This tool allows duplicating by means of symmetry around a vertical axis the set of selected elements Symmetrize Select the elements to be symmetrized Click on the Symmetry tool Enter the x coordinate that defines the position of the axis of symmetry or click on an existing element positioned on the axis of symmetry d Pres
48. n order to assign these same characteristics to the entire set of selected elements Within the Validate option both the Ident and Number fields are ignored Displaying the properties of an element 1 Activate the Belt connection stiffness tool 2 Right click on the target element The assigned properties are then displayed in the dialogue box Zei Right click on belt directly opens the properties dialog box for the selected element User Manual VibtorV3 03 014 R 1660 4711 15 Reference speed Tableau de propri t s Activating this tool triggers the appearance of a dialogue box with five tabs Each tab enables either visualizing or modifying the following elements respectively e Inertias e Stiffnesses e Gear trains e Gear train stiffnesses 8 Belts User Manual VibtorV3 03 014 R1660 48 75 Reference speed _ Calculer Assistant de calcul de l inertie d une s rie de tron ons cylindriques In some dialogue boxes pressing the Calculate button opens the dialogue box below wherein a tool enables calculating the inertia of a series of cylindrical segments on the basis of the following geometrical characteristics thickness e inside diameter Di outside diameter De and mass density of each segment Calculate inertia De cm e mm 1 0 000 0 000 2 0 00 0 000 0 000 850 00 4 0 000 0 000 350 00 5 0 000 0 000 6 7 8 gd 10 Inertia User Manual VibtorV3 03
49. nd to handles used for modifying the horizontal and vertical dimensions of an element Selecting objects one at a time 1 Click on an element in order to select it 2 To add an object to the list of selected items hold the SHIFT key down during the selection process 3 To deselect an object click on the object while holding the SHIFT key down 4 To deselect all previously selected objects click on a point of the screen far from any object Selecting objects within a rectangle defined using the mouse 1 To select a set of elements click on a point in the graphics window and move the mouse while holding the left mouse button down and outlining a rectangle 2 To add objects to the list of selected items hold the SHIFT key down during the selection process IW If the mouse is being moved left to right only those elements entirely contained within the defined rectangle will be selected KC If the mouse is being moved right to left all elements either entirely or partially contained within the defined rectangle will be selected User Manual VibtorV3 03 014 R 1660 10 75 Titre du chapitre 1 Modifying the size of an element 1 Position the mouse on one of the four handles of the selected element The mouse cursor then takes the form of a horizontal or vertical arrow 2 While holding the right mouse button down modify the size of the element Le The frame corresponding to the element always coincides with the
50. onic line number 1 Harmonic column number 1 Speed column number 2 A real part column if lt 0 take opposite value 3 B imaginary part column if lt 0 take opposite value 1 000000 Global multiplicative coefficient to apply 0 000000 Phase shift deg to apply Positive if import is in advance 1 11 11 0 5 1000 00 0 790374064 0 589448400 1250 00 0 504391283 0 376626848 1500 00 0 349175730 0 260841482 1750 00 0 255608835 0 190990810 I The phasis doesn t need to be set if the measurement are only import for amplitude comparison only le Deletion Activating this tool causes deletion of the set of selected elements Pressing the Del key serves the same purpose User Manual VibtorV3 03 014 R1660 61 75 Reference speed Reference speed Rotational reference speed Activating this option allows setting the rotational reference speed associated with a given model stiffness along with all eventual complementary exciter speeds that had not been incorporated by default within the application Note that it would be advisable to provide the engine or furnace speed in order to facilitate analysis of the Campbell diagram We would like to recall herein that the application automatically considers the following default excitation frequencies e Rotational speeds at each level e Frequencies due to gearings e Harmonics of these rotational speeds Defining the rotational reference sp
51. properties p Definition of differential gear train properties ke Definition of belt properties Table of properties 4 Conrod torque library Cam torque library Uy User define torque library Torque on inertia Os Measurement Import Deletion User Manual VibtorV3 03 014 R1660 19 75 Reference speed Creation of stiffnesses Activating this tool serves to create and position a stiffness element The element is placed in the model thanks to a grid that acts as a guide As a default this element is represented by a drawing of a spring inscribed within a rectangle see the Preferences Visualization options section whose default dimensions were set in the Preferences Default values option Unconnected element Connected element The connection with an adjacent element is visualized by a red rectangle positioned at the exact spot of the connection The only elements capable of being connected to a stiffness element are of the type e Stiffness in the axis e Inertia in the axis e Gear train in the axis e Planetary and differential gear train in the axis Creating a stiffness element 1 Click on the Creation of stiffness tool A rectangle symbolizing the stiffness element then becomes attached to the mouse cursor 2 Position the element at the desired place in the model by means of moving the mouse cursor 3 When the element is in the desired position make a left click with the mouse Zei The e
52. s the OK button to introduce symmetry ald Een iS The position of the elements is rejected in the case where one of the symmetrized elements has been superimposed either totally or partially onto an existing element H Renumbering This tool is used to change the label number of the element The label creates a sort order for the element This order is used to sort the elements in the result lists Renumbering 1 Activate the Renumbering tool The following dialog box appears User Manual VibtorV3 03 014 R1660 21 75 Reference speed Label modification x Label EE B Link betwen gears C Stiffness belt Planetaries Differentials ee 2 Select the element type to be renumbered with the corresponding option button 3 Click successively on the element of the same type in the ascending order desired 4 Change the element type to continue with the other element type if desired Ze Renumber first the most interesting elements for the results display These first elements will be gathered at the beginning of the result list yy Once the most interesting elements are renumbered the process can be stop Id identify This tool allows the user to change the default Id for the elements Identify 1 Activate the Identify tool The foolowing dialog box appears ID modification x 2 Setthe Id to be assigned 3 Click on the elements to assign the Id Ze To return to the default Id
53. sponding dialog box x Frequency D Ob Hz 5257 HPM sl f2 Reference amplitude Magnify vi w lt is possible to modify the active vibration mode by choosing another mode in this same list The Reference amplitude checkbox selection displays the displacement in the speed level defined by the reference speed User Manual VibtorV3 03 014 R1660 66 75 Results interpretation Frequency 1 51 44Hz 3086 RPM e ww Gi po Ir Er HG a ir fe D As indicated above for purposes of example the modal strain profiles are represented by a graph such that each horizontal line is proportional to the angular rotation characterizing the given eigenmode Proximity diagram This tool allows visualizing the proximity diagram which contains logarithmic scales and resembles the following Diagramme de proximit 15 1000 100 Fr quences propres trs mn 1 10 100 1000 10000 Fr quences excitatrices rs mn User Manual VibtorV3 03 014 R1660 67 75 Results interpretation The y axis represents the scale corresponding to the model eigenfrequencies while the x axis is used to characterize the excitation frequencies Both the eigenfrequency and excitation frequency values are shown by means of red colored vertical and horizontal lines respectively It should be noted that only the visible frequencies are represented herein see Diagram parameters The two
54. tact zone between the two elements The only elements capable of being connected to a gear train element are of the type Stiffness in the axis Inertia in the axis Gear train in the axis and on the side Planetary gear train in the axis Differential gear train in the axis and on the side Creating a gear train element 1 Click on the Creation of gear train tool A rectangle symbolizing the gear train element then becomes attached to the mouse cursor 2 Position the element at the desired place in the model by means of moving the mouse cursor User Manual VibtorV3 03 014 R1660 221 15 Reference speed 3 When the element is in the desired position make a left click with the mouse ig The element position is rejected in the case where it has been superimposed either totally or partially onto an existing element Modifying the size of a gear train element 1 Select the target element A selected element is characterized by a dashed frame in addition to this frame four rectangles are displayed that correspond to handles used for modifying the horizontal and vertical dimensions of an element 2 Position the mouse cursor on one of the handles used to resize the element The mouse cursor then takes the form of a horizontal or vertical arrow 3 While holding the right mouse button down modify the size of the element The frame corresponding to the element always coincides with the grid points
55. the speed level defined by the reference speed The user can choose the angle to be used for the display with the corresponding cursor see dialog box before User Manual VibtorV3 03 014 R1660 71 75 Results interpretation Deformee vibrations forc es x Grandeur Fermer e Amplitude C D formation Couple Type d affichage Vitesse Harmonique iz 5 50 Harm Recompons e M Retirer HO Options de visualization Angle KR Amplification 10 Amplitude r f rence As shown in the following figure the display shows the deformed on the model mesh and the recall of visualization option Amplitude 6640 00 RPM Overall 32 deg Ref K15 K 15 ut User Manual VibtorV3 03 014 R 1660 T21 15 Results interpretation e Activating the tool leads to the automatic saving of the displayed screen The saved screenshots are automatically named by the software For the forced vibrations graph the names are constructed the following way e Root RES for results e Followed by graph DRAW for forced vibrations deform drawing e Followed by a three char Id describing the graph type AMP for amplitude DIS for distorsion TOR for torque e Followed by the id SP with the chosen speed Followed by the id HA with the harmonic order or OVL and OVL NoHO for an overall with or without static HO Ex RES DRAW_TOR_SP6100 00 HA6 ANG194 REF15
56. tification p Ss Delete Properties Import Reset A 0 0 0 5 6 0 5 Al BL ALS BLS D A i ALTE ATT ATT ATT ATT ATT ATT ATL eS SS ey ey ey w me r 2 Fill the ID name 3 Fill the numerical fields 4 Click on the Import button to display the file dialog box to choose the data file 5 Click on Add button to add the user defined torque in the library list iy To modify a torque entry select the ID in the list Once the modification are completed click on Add and validate following dialog box vero gt dk Entry already exist OK to modify 4 The torque import is defined with max 20 lines of data The first column must contain the speed sort by ascending order The next 40 columns contain the A and B coefficient of the harmonic decomposition C Ag A cos qOt gt Bsin qQt with 0 5 lt q lt 20 O engine speed User Manual VibtorV3 03 014 R1660 56 75 Reference speed iy The torque coefficient table can be copy paste from Excel Ke You can visualize the cam torques please refer to the Conrod torque library section T Torque on Inertia This tool allows the user to apply the torques on the inertia disk Defining 1 Activate Torque on inertia The dialog box allows defining the following elements EK Unzelect ConrodT orque Select Has deg Click on a torque in the list then press the button Select Fill the phasis fi
57. ulating toothing stiffnesses Stiffness of gear connection x Properties Number of teeth a lo Modulus 0 000 mm ania 0 00 Arm Calculate Equivalent stiffness 0 000e 000 0 000e 000 mAd Deport 0 000 0 000 Pressure angle an 0 000 deg Inclination angle 0 000 deg Toothing width 0 000 mm WE Wheel Body factor 0 000 Calculate Close User Manual VibtorV3 03 014 R1660 38 75 Reference speed e Solar side stiffness Value of the torsional toothing stiffness between the solar and each satellite The Calculer ton opens the standard dialogue box that enables calculating toothing stiffnesses e Damping and Hysteresis in the meshing e Stress rate per unit strain to display equivalent stress as results 7 Click directly on the target element in order to assign these properties 8 Click on the Close button to end this session Assigning the same characteristics to several elements 1 Select the planetary gear trains that feature the same characteristics 2 Activate the Planetary gear train definition tool 3 Input all associated properties 4 Click the Validate button in order to assign these same characteristics to the entire set of selected elements Displaying the properties of an element 1 Activate the Planetary gear train definition tool 2 Right click on the target element The assigned properties are then displayed in the dialogue box vy Right click on Planetary directl
58. units as the default Ze The system of units used may be modified at any point in time User Manual VibtorV3 03 014 R1660 15 75 Model definition Visualization options This option enables selecting the information that will be displayed on the screen to characterize the model It is possible to display or define the following elements Element number Element identifier Value of the properties associated with the element Type of symbols used for stiffnesses inertias and gear trains LT e e Stiffnesses LH Inertias ll EL Gear trains mm Cc Belts LL Ci Ae Planetary and differential gear trains SCH ES Font This option makes it possible to modify attributes of the font currently used for displaying characters within graphics windows Grid The grid is employed during the model definition phase From a conventional standpoint both the position and size of each model element coincide with the grid defined on the screen This option serves to define the grid size displayed by default on the screen Defining grid characteristics 1 Setthe values Xmin Xmax Ymin and Ymax that define grid characteristics User Manual VibtorV3 03 014 R 1660 16 75 Model definition 2 The grid is then visualized on the screen by a sequence of points iS Activating the Grid calibrated display option enables at any point in time visualizing on the screen the previously defined grid
59. using the same name as described before with the file extension wmf With the graph view storing a text file is created with the same data as the graph view The filename is the same as previously described the file extension is txt A raw export file rxp can be generated as well It contains raw data real and imaginary parts for each calculation speed and each harmonic To activate these options you have to edit the Vibotr3 ini file and put a 1 to activate the option and a zero to deactivate The options names are self explanatory as follows in the corresponding Vibtor3 ini section You must restart the software to take the modifications into account ScreenCopy SaveGraphAsT xtFile 0 SaveGraphRawDataAsRxpFile 0 al Forced vibrations export Activating this tool displays the dialog box allowing the forced vibrations to be exported Forced vibrations export Close d 1 111 Des 2 2 2 a Delete E EIE IEI Add all EE arya aa aaa inapo naala kaba bahag atAn ENARAWA GAWAD AS anak asahan napaaga saba AA AA AA AA geg Delete all 10 1101 10 11 111 111 Up 12 1217 1313113 SSC 14114114 15 1151 15 z 16 1161 16 AYE 17 7117 To export results you must select the data line in the drop down list box and press the Add button to add the selection in the main list box When the selection is completed you can save the data by pressing the Save button The File save dialog bo
60. ves a warning to the user Calculations are aborted and the element where the property is missing is selected Zei The free vibrations results are stored in an export file whose name in based on the study name with MODES txt postfix This option can be activated by editing the Vibtor3 ini file You have to set ModesAsTxtFile variable to 1 to export or to zero not to export You must restart the software to take the modifications into account See bellow the corresponding section of the Vibtor3 ini file CalculationsExport ModesAsT xtFile 0 User Manual VibtorV3 03 014 R 1660 64 75 Results interpretation Ke To speed up the calculations it is possible to skip deform drawing calculations This will disable the Forced vibrations deform results if To speed up the calculations it is possible to skip sensibility matrix calculations for the eigenmodes User Manual VibtorV3 03 014 R1660 65 75 Results interpretation Results interpretation Results This option serves to visualize program results and when activated opens a toolbox containing the following elements Modes de vibration Diagramme de proximit bit Diagramme de Campbell o Frequences propres et excitatrices actives Tableau de resultats Deformation en vibration forcee Affichage graphique des vibrations forc es Vibration modes Activating this tool displays the eigenform visualization of the eigenmodes The eigenfrequency is displayed in the corre
61. w IS Print preview This option serves to visualize in the same format as the eventual printout the graphical image corresponding to the active window on the screen Format This option allows both choosing the print format and configuring the printer Computation note This option makes it possible to obtain a computation note in RTF Rich Text Format This format has been chosen by virtue of being recognized by the majority of current commercial word processing applications and generating very high quality reports Activating this option allows the user to define the following elements e List of tables to be included in the computation note e List of graphical views to be included in the computation note e Screen or file destination of the computation note User Manual VibtorV3 03 014 R1660 711 15 File Obtaining a computation note 1 Define the content tables and graphical views of the computation note Pressing the button marked with the gt gt symbol serves to incorporate the selected table or graph within the list summarizing computation note contents Clicking the All button incorporates all tables or graphical views within the computation note Pressing the Delete button deletes the selected entity from the content summary list 2 Choose the computation note destination screen or file using the drop down list denoted Destination 3 Click the OK button to initiate production of the computation note
62. x will allow the user to choose the filename You can delete a data in the list or add and delete all the data in the list with the corresponding button The export order in the data file will reflect the order in the main list box you can move up or down an item in the list by selecting the proper line and pressing the up or down button User Manual VibtorV3 03 014 R1660 76 75 Results interpretation The exported file can be imported to allow results comparisons see Model measurement import section User Manual VibtorV3 03 014 R1660 77175 Results interpretation Developped by itech 25 rue Frangois Barbin 12 16 rue de Vincennes 91540 MENNECY 93100 MONTREUIL FRANCE FRANCE Tel 33 1 64 99 70 78 T l 01 48 70 47 41 contact drice fr Fax 01 48 59 12 24 www itech soft com Edited by Rice User Manual VibtorV3 03 014 R1660 78 75
63. y gear train properties Defining the properties of a planetary gear train 1 Press the Planetary gear train definition tool 2 The element name is displayed in the Id edit box of the dialog box Definition of planetary gear i Planetary gear Sun Satellites and crown Satellite port Stifness of teeth Optional Identification Planetary ID Validate Close 3 Input the set of properties under the second tab Solar Definition of planetary gear Planetary gear Sun Satellites and crown Satellite port Stifness of teeth Inertia Number of teeth fo Damping 0 0000 mhs Rd Kom Calculate Validate Close e Inertia solar inertia The Calculer button opens the calculation assistant for the inertia of a series of cylindrical segments e Number of teeth number of solar gearing teeth User Manual VibtorV3 03 014 R1660 35 75 Reference speed e Damping 4 Input the set of properties under the third tab Satellites and crown Definition of planetary gear Ei Planetary gear Sun Satellites and crown Satellite port Stifness of teeth Nb of satellites pag ooo Ken Calculate Mass 0 000 ka Satellite damping o 000e 000 mNs Rd Nb of teeth of each satellite fo Nb of teeth of em E Validate Close e Number of satellites Number of satellites in the planetary system Calculer button opens the e Unit inertia The polar inertia of a s
64. y opens the properties dialog box for the selected element User Manual VibtorV3 03 014 R1660 39 75 Reference speed Definition of differential gear train properties Activating this tool serves to define differential gear train properties Defining the properties of a differential gear train 1 Press the Differential gear train definition tool 2 The element name is displayed in the Id edit box of the dialog box Differential definition a x Diferential Crown Satellites Planetaries Teeth Stiffness Optional Identification Differential Id D 1 Validate Close 3 Input the set of properties under the second tab Crown Differential definition Ei Differential Crown Satellites Planetaries Teeth Stiffness Inertia Number of teeth fo Damping 0 000000 mhs Rid Validate Close User Manual VibtorV3 03 014 R1660 40 75 4 5 Input the set of properties under the third tab Satellites Reference speed Inertia Crown inertia The Calculer button opens the calculation assistant for the inertia of a series of cylindrical segments Number of teeth number of the crown gearing teeth Damping Differential definition x Differential Crown Satellites Planetaries Teeth Sti Satellite number T Inertia 0 000000 Kon Mass 0 000 kg satellite damping 0 0006 000 mNs Rd Satellite teeth number PD kin to Planetary axes b
65. z and in revolutions min e Position of the vibration nodes associated with each mode Each vibration node has been characterized herein by its position value lying between 0 and 1 in the stiffness element whose number is given in the second row The type of stiffness element considered is specified by the letter K in the case of a shaft and by the letter E for a gear train stiffness element e Sensitivity matrix The values given in this matrix are expressed in percent e Proximity table The values given in this table are expressed in percent Forced vibrations deform Activating this tool enables the dialog box to select the forced vibrations results to display The following results can be displayed User Manual VibtorV3 03 014 R1660 70 75 Results interpretation Forced vibrations deform Ei Output Close Amplitude Distortion Torque Display type Speed C Hamonic iz 5 50 Harm Ge Overall Remove HO Display options Angle El si Magnify E Reference amplitude e Displacement distortion in the elements and torque applied on the model e The display type allows the selection of the speed to be used for the deformed visualization e For the harmonic display the harmonic can be chosen in the corresponding list box e For the overall display it is possible to remove the static component the HO order e The Reference amplitude checkbox selection displays the displacement in

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