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Pi Aero User Guide

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1. Select Values to Display Step 1 of 3 x Data Placement Method Enter Universal Qualifiers description C 1D Table C Configuration Values T Show Qualifiers on spreadsheet Channel List Operator List Descriptive Name Fight Click to define placements Back Next gt Finish Cancel Help Wizard step 2 This is where you define the following which channels are to be used for the indices e g Front ride which channel is to be used to fill out the table the values of the indices e g 10 15 etc 56 Pi Aero User Guide Select 2D table parameters Step 2 of 3 x Choose Row Index Choose Column Index VE Choose Data Lit T Use duplicates ju se Last z Number of columns Y Number of rows fa Set lt Back Next gt Finish Cancel Help The default behaviour of PiAero is to place the text DUP into Excel for data where duplicate values are found Check the Use duplicates option if you want to override the default behaviour Use the combo box to select which of the duplicate values to place The options available are Use First and Use Last Note that if you put a check mark in one of the table cells e g in 10 30 in the above example then PiAero will leave that cell untouched even if there is data available for that ride height Otherwise PiAero will overwrite that cell with data if it is ava
2. tl Fy Del choose New Placement You have now started the Placement Method Wizard which will guide you through the steps required to define the placement in detail The first thing to select is whether you want a 1D table a 2D table or the model configuration placed on the spreadsheet This is done by selecting the appropriate method at the top left of Step 1 of the wizard 41 1D table placement 42 A 1D table has horizontally one or more columns each corresponding to a channel and vertically one or more bands each containing a single result drawn from the Results Database Typically a band will consist of one row in the spreadsheet but it is possible to define a band with more than one row such that for example the wheel drag forces can be laid out with rear forces positioned below the front forces Examples A 1D table with 5 columns and three 1 row bands Front ride Rear ride Total Lift Body Drag Rear lift 10 10 2198 456 37 21 10 15 2178 449 38 09 15 20 2092 427 37 98 A 1D table with 4 columns and two 2 row bands Front ride Rear ride FL wheel FR wheel RL wheel RR wheel 10 10 208 209 376 388 15 20 215 217 380 391 Placements are defined using the placement wizard as described overleaf Pi Aero User Guide Step 1 of the Wizard Select the Placement method here C 2D Table Select Values to Display Step 1 of 3 m Data Placement Method Enter Universal Quplifi
3. A similar technique is used to remove or restore parts from the inventory To remove a part right click on the left hand cell of the part and select Marked Obsolete Unless Parts are selected in the Obsolete values box at bottom left its row will disappear Otherwise the row will remain but greyed out To restore it right click again and select Marked Available 29 Front Tyre Rear Wing Parts Properties and Types 123 456 789 Curly Straight Kinked In the example above the component type has 4 parts available and one Zany which has been made obsolete The property Colour has been made obsolete and so is also shown greyed out If None is selected from the Obsolete values box all the greyed out data disappears Front Tyre Rear Wing None 123 456 789 Curly Straight Kinked 30 Pi Aero User Guide Configuration layout Once you have defined some component types in your inventory you can define the list of components that make up the car This is displayed as a treeview and appears in the right hand pane of the Results window From the main menu select Configuration Layout from the View menu ie Configuration Layout x G EC Wings l Front Tyre 3 abi Front Wing GER Rear Wm DE Tyres s E Front Left Tue 3 Obsolete Components On the right are all the available com
4. ANOTHER DIRECTORY MAKE SURE YOU CHOOSE A WORKING DIRECTORY THAT YOU CAN STICK WITH 5 Select Next gt to take you to the Program Folder dialog 75 6 Choose a program folder This determines where the PiAero shortcut appears on the Start menu The default is PiAero which will create a new folder with a single item in If you already have other Pi software on your PC e g V6 then you may want to put them all into the one folder 7 Select Next gt 8 The confirmation window shows the settings you have selected so far If you wish to change any of these then select Back gt otherwise select Next gt 9 When asked insert PiAero Disk 2 in your floppy drive and select Next gt The installation will complete itself install all the components and terminate Windows Registry The windows registry contains various settings for PiAero such as the defaults files used by the program Changing these settings is an alternative to using PiAero Administrator To view these start REGEDIT usually found in the WINDOWS directory and locate the settings in the folder HKEY_CURRENT_USER Software Pi Research PiAero g Registry Editor olx Registry Edit View Help E My Computer Name Data Y HKEY_CLASSES_ROOT ab Default value not set CU HKEY_CURRENT_USER Rl AutoUpdate Excel Ox00000000 0 HL AppEvents ab Channels C Program Files Pi Research Pi4era channels aero_cdb H Control Panel S Communications OX000
5. Access on your PC then DAO may already be installed However you cannot do any harm by re installing it so it is recommended that you follow this installation procedure regardless Note that Pi have a licence to distribute the DAO to you with PiAero lt may not be legal for you to pass it on to a third party 1 Insert DAO Disk 1 in your floppy drive 2 Select Run from the Win95 Start button and enter a setup in the Run dialog box 3 Walk through the DAO Setup to completion PiAero installation This installs the PiAero program and associated files onto your hard disk and places a PiAero shortcut into your Start menu The files include sample databases for PiAero If you are upgrading from a previous version of PiAero then do not worry none of your existing database files will be overwritten There are also various files for icons etc which will be placed in standard Windows directories 1 Insert PiAero Disk 1 in your floppy drive 2 Select Run from the Win95 Start button and enter a setup in the Run dialog box 3 The InstallShield Wizard is initialised then the PiAero Setup program starts with a Welcome dialog Select Next gt to take you to the Working Directory selection dialog 4 Choose a working directory for the program This determines where the program files and the databases files go The default is Program Files Pi Research PiAero O ONCE PiAero IS INSTALLED IT IS EXTREMELY INADVISABLE TO MOVE IT TO
6. Configuration Values Qualifiers filter the data from the data selection Name the Placement method here Descriptive Name Show Qualifiers on spreadsheet Channel List Operator List Right Click to define placements Back Next gt Finish Cancel Help You can also set a name for the placement method This has no significance other than acting as an aide memoir and it appears in the list of placement methods in the right hand pane If for example you are defining a 1D table that creates a summary report of all the forces then you could call the method Force summary table The last feature of Step 1 of the Placement wizard are the qualifiers These act as a filter for the data from the data selection For example if you only want to place data into the Excel spreadsheet for results where Front ride 10 and Rear ride 10 then you would enter the qualifier shown overleaf 43 Qualifiers Front ride 10 AND Rear ride 10 There follows a description of the syntax required by the qualifiers The qualifier for the data is entered as text in the box at the top right of the wizard step 1 You can enter the text simply by typing into the box or you can build it up using the Channel List and Operator List buttons A formal description of the syntax of a qualifier is as follows qualifier NOT expression logical_operator NOT expressio
7. Group 4 define a Placement Method 5 select the runs which you want to act as a source of data Opening creating a Placement file Opening a Placement file 1 There are three methods for opening a Placement file either select Open from the File menu or type Ctrl O or click on the Open File button B This will bring up the following dialog Look in a UserM anual Si ex L ScreenShots Y Results Idb las Channels aero_cdb Si Standard Report xls Zl Channels Idb UserManual aero_wsp El Inventory aero_idb N Inventory ldb Results aero_rdb Fiename Files of type MESA bad Cancel 36 Pi Aero User Guide 2 Narrow down the selection to Placement files using the file type filter at the bottom of the dialog Placement files have the file extension aero_pla and are identified by this icon 3 Select that file you want and press Open If you can t find it in the current directory use the browsing controls to change directory Creating a new Placement file 1 There are three methods for creating a new Placement file either select New from the File menu or type Ctrl N i or click on the New File button al This will bring up the following dialog te Results Workspace 2 Click on Placement and press OK This automatically starts an unnamed Placement file EX Placement A x EI PlacementName Type Location Selection E New Selection Group HH Right C
8. Pi Aero User Guide Insert blank row on change Lastly if you had specified Insert blank row on change for Front ride then the table would look as follows Front ride Rear ride 10 10 15 15 10 15 20 20 20 25 30 50 Special sort order If you want the results to appear in a specific order then you can assign a special sort order to one or more channels For example to force the following order Front ride Rear ride 10 10 15 15 20 20 you would need to follow the steps shown overleaf 49 1 Right click on Front ride and select Uses special sort order from the drop down menu Order Column Headings Step 2 of 3 Front Ride Lift Rear Ride Run number Setpoint number Side nding dinig ecial sort order 2 Repeat for Rear ride 3 Press the Edit Special Sort Order button at the top right of the Wizard This brings up a table with the special sort columns 50 Pi Aero User Guide 4 Enter the values that you want in the sort order Define Special Sort Order B When you are editing the special sort order you can use many of the shortcuts found in a Microsoft Word table use the tab key to go from one cell to the next tabbing off the last cell will create a new row select a row or column by clicking on the row or column label delete the contents of a selected cell s by pressing the Del key use cut Control X to remove a row You can even paste contents in directly from a
9. for that property locally for each run without creating any additional parts in the inventory A useful thing to bear in mind is that once you have entered data into the inventory it can never be removed entirely PiAero offers various ways of hiding obsolete data but it will still remain in the database and can be recovered at a later date The steps you need to follow when building an inventory for the first time are 1 make a list of the components that make up your car and decide how many component types describe them most parts on a car are unique and so you will probably have almost as many component types as there are components create a new component type define any new properties that you ll need for parts of that type create however many parts of that type that you want in the inventory OF OTP create the components of that type in the configuration layout 26 Pi Aero User Guide Component types Properties First bring up the inventory from the View menu Component Types Front Wing Rear Wing Creating a component type On the left are the currently available component types To create a new one type its name into the box to the left of the New button and click New To start with no parts or properties are defined in the right hand pane for that type Deleting recovering a component type If you want to delete a component type then right click on it
10. right hand columns you can force one or more columns to be sorted using a specified value order 46 Pi Aero User Guide In addition you can force PiAero to insert a blank row every time the value of a column changes and you can make it so that the value is only displayed in the column when it changes Sort ascending descending Right click on the channel that you want to sort and select Sort Ascending or Sort Descending from the drop down menu Order Column Headings Step 2 of 3 x Drag and Drop channels into desired order on grid Edit Special Sort Order Tunnel Data Configuration Data Pier Labels Front Ride Lift Rear Ride Run number Setpoint number Side Sor TEETE v Unsorted Uses special sort order Number of columns 4 Insert Blank row on change Number of rows to fill jo Show value only on change Finish Cancel Help Left hand columns take precedence over right hand columns So for example if both Front ride and Rear ride are sorted ascending then the following would occur 47 Unsorted Sorted Front ride Rear ride Front ride Rear ride 15 10 10 10 20 20 10 15 25 50 15 10 10 15 15 15 10 10 15 20 25 30 20 20 15 15 25 30 15 20 25 50 Show value only on change If you had also specified that the Front ride should Show value only on change then the table would look as follows Front ride Rear ride 10 10 15 15 10 15 20 20 20 25 30 50 48
11. run Once the inventory has been defined you can define the configuration for each run When you select a run in the bottom left pane of a Results window its configuration is shown in the right hand pane E Results aero_rdb Iof x 3 Results E Pidero UserManual Results aer 33 Configuration CH January EQ Wings Ei Front Wing 123 ZS Rear wing 111 E Tyres a Front Left Tyre 456 33 Obsolete Components D Run 130 O New Run O New Run 32 Pi Aero User Guide Note that when a new run is created either because run data has arrived or because you ve created one manually it will have the same configuration as the previous run Selecting a part To select a different part for a component double click on it in the right hand pane or right click and choose Select Part Select part xi Available Parts 456 Straight 789 Kinked Modify Inventory Cancel Click on the part you want and press OK If the part you require is not in the list or if the list is incorrect then press the Modify Inventory button and make the necessary adjustments Note If you edit the properties of an existing part then the new properties will apply to all runs where that part was selected Making a local property change If you want to change the value of a property without changing the inventory then right click on the component and choose Override Part Override Part Pr
12. the folder and select Current Run Deleting runs To delete a run right click on a run and either select Delete or press the Del key You cannot delete the current run Active database Incoming wind tunnel data will get assigned to the current run in the active database To make a database active make sure the Results Database is open select Active Results Database from the Settings menu A check sign v appears next to the Active Results Database whenever the currently opened database is the active one 23 Menu item for forcing a Results Database to become the Active PiAero Results aero_rdb Data Recovery O xi 3 Results E Pidero UserManual Old Results onfiguration June bsolete Components Jul e 2 duly ES Results aero_rdb 3 Results E Pidero UserManual Results aero_rdb 3 Configuration January 3 Obsolete Components Road Track Run Name Sy Speedway Ne February B Run L New Run Current runs in an inactive database Bun Name funiD_ Run Comment Run 128 9 D Run 130 10 el New Run 1 New Run Current runs in the active Results database Sets the active results database as working results DCOM NUM A Run comments Run comments appear in the lower left hand pane of the results window and can be edited by double clicking on a run as shown overleaf 24 Pi Aero User Guide E5 Results aero_rdb ox 3
13. the next page 10 Pi Aero User Guide 8 Results aero_rdb MEE Inventory B E Results E Pidero UserManual Results aeto_rdb E3 Configuration Component Types E Jana Obsolete Components EE I Road Track Front Tye Speedway Fiont Wing E February Rear Wing unio Run Comment L Cl Ibsolete values None Add Property Incoming data from Pi Wind Tunnel Instrumentation Selected parts Inventory Database aero_idb file Results Database aero_rdb file Data placed in Excel spreadsheet according to Placement Definitions E 187 Ele Edt View Insert Format Tools Data Window Help H l8 x S Dia E x A B COD E F S A Front lit Rear lift Im Drag CoP 2 ES 10 10 2106 514 36 20 3 10 15 2078 512 37 88 4 15 20 1998 505 37 85 z 4141 PIN Sheet1 Sheet Sheet lt T I ab NUM EME A Placement Definitions aero_pla file 1D Table Sheet2141 10 Table Sheet2IA26 Comparison E Chassis Forces 1D Table Sheet11A1 Datum m 31 Run120 omparison D Current Run 4 Run 123 5 Run 124 11 Setting up To set up PiAero for regular use you should do the following create a Results Database with suitable folders e g February March create an inventory of model parts create one or more placement files and corresponding spreadsheet templates Regular ope
14. 00000 0 E Y InstallLocationsMRU ab Inventory C Program Files Pi Research Pi4ero inventory aero_idb E a keyboard layout ab Results C Program Files Pi Research Pidero Demo results data aero_tdb H Network A Remote ccess E Software e CH Microsoft GC Pi Research o Pisero e Data ialog Sizes A Grid A Recent File List E Settings E Styles H E VB and VBA Program Se WORDPAD INI CC HKEY_LOCAL_MACHINE HKEY_USERS A HKEY_CURRENT_CONFIG e CH HKEY_DYN_DATA My Computer HKEY_CURRENT_USER Software Pi Research Pidero Active Data 76 Pi Aero User Guide 77 Contact information For more information about Pi products and details of worldwide authorised agents please contact Pi Research Brookfield Motorsports Centre Twentypence Road Cottenham CAMBRIDGE UK Customer Support Tel 44 0 1954 253600 CB4 8PS Fax 44 0 1954 253601 Pi Research Inc 8250 Haverstick Suite 275 Indianapolis IN 46240 Tel 1 317 259 8900 USA Fax 1 317 259 0137 E www piresearch com 78 Pi Aero User Guide
15. 141 Comparison El 1 Run 120 ing Forces 1D Table Sheet21426 Comparison iB coe hassis Forces 1D Table Sheela Datum urrent Run E 1 Fun123 5 Run 124 List of placement methods defined for the two Selection Groups Channel file You will typically create a spreadsheet and a placement file as a matched pair the formatting charts and reports of the spreadsheet will correspond to the placement methods of the placement file aero_cdb files Workspaces PiAero maintains a channel file containing a record of all the channel names that PiAero has ever encountered These are used when presenting the user with a list of channels from which to select It is possible to delete redundant channels from this file using PiAero Administrator a separate program If you delete a channel but PiAero encounters it again for example when opening an old results database then it will re insert the channel name into the channel file More details are available on PiAero Administrator in a later section aero_wsp files Operation The workspace is the collection of active windows such as Results Configuration and Placement Having created a workspace it can be saved for future recall and use Saving a workspace saves the active windows in the position and size configuration you defined when using them See the section on Workspaces on page 15 The interaction of data in PiAero is best shown by the diagram on
16. Pi Aero USER GUIDE Pi Aero User Guide Research Part Number 29P 071189 3E Issue 3 0 Date May 1999 Pi and the Pi Logo are trademarks of Pi Group Limited O Pi Research 1999 Disclaimer Pi Research makes no representation or warranties of any kind whatsoever with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose Pi Research shall not be liable for any errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of the software associated hardware or with this written material Pi Research reserves the right to revise this publication from time to time and to make changes in the content hereof without obligation to notify any person of such revision or changes A copy of the Pi Research Terms and Conditions of Sale is available on request and includes a declaration of the warranty and limitation of liability which apply to all Pi Research products and services Pi Aero User Guide Contents ugeet De d E 7 Results Database aero_rdb feel 7 Inventory database aero_idb feel 8 Placement files aero_pla files eee eee eee 9 Channel file aero_cdb les 10 Workspaces aero_wSp Tiles eee eee ee 10 Operation older e 10 Computer configuration ss ssss esse esse esse esse esse esse esse esse ereer 13 Setting up for networked Usage sees eee ee eee
17. Results E Pidero UserManual Results aero_rdb 3 Configuration 2 3 January QQ Obsolete Components Road Track Speedway February Run ID p Run Date 1670471993 14 12 04 Run Name Run 122 Appeared to get some belt lift on this run Run Comments Double click 25 Car configuration The car consists of a set of components e g front wing and the car s configuration for a particular run is described in terms of the parts assigned to those components e g part 123 All the parts available for selection are stored in an inventory The inventory also defines component types each component on the car and each part in the inventory is associated with a component type The selection of parts for a component is restricted to those of the same component type Typically components that are repeated on the car e g wheels will share the same component type so that they draw from the same list of parts in the inventory Each part has one or more user defined properties e g part number size angle etc which describe the part in detail One of the properties is nominated to be shown in the configuration layout which provides a quick view of all the parts on the car All of the properties of all the parts can be displayed in an Excel placement If a property of a part represents a setting rather than a physical attribute for example wing angle then you can change the value
18. abase Once the file has been compacted a new file called _CompactBackup will exist in the selected folder This file is a backup of the original database it can be deleted once it has been confirmed that the compacted database is functioning properly 73 Installation System requirements The requirements for a PC to run PiAero are as follows The PC must be running Windows 95 Microsoft Excel V7 0 or later must be installed Performance specification Minimum Recommended Processor 25 Mhz 386 100 MHz Pentium RAM 16 Mbytes 32 Mbytes Hard drive 20 Mbytes free 200 Mbytes free Note that the installation comes on 31 2 disks it is therefore advisable to have a suitable floppy drive If PiAero is to run on line to Pi s wind tunnel instrumentation then it must have one spare RS232 port if serial communication is to be used Installation procedure Pi Aero is supplied on a set of floppy discs containing DAO Installation this puts a copy of the Microsoft database engine on your PC PiAero Installation this is the actual program If you are upgrading from a previous version of PiAero then you do not need to perform the DAO installation unless specifically requested in the release literature 74 Pi Aero User Guide DAO installation This puts a copy of Microsoft s Data Access Object on your PC This is the engine for Access Version 7 which is used by PiAero for managing its databases If you have this version of
19. abase upon which you want the wizard to operate PiAero Data Recovery Wizard Step 1 of 4 B Select the database you wish to use from the list provided below This list shows all of the currently opened results databases Source Channel selection This dialog box enables you select the channel from which the data should be merged Pi ero Data Recovery Wizard Step 2 of 4 Merge data from channel Start Merge From Run number Setpoint number Merge Side To Yaw Finish Finish Cancel Help 4 Destination channel selection This dialog box enables you to select the channel into which the data should be merged PiAero Data Recovery Wizard Step 3 of 4 B Merge data into channel Run number Setpoint number Finish Cancel Help 5 Summary of what is about to happen PiAero Data Recovery Wizard Step 4 of 4 B Summary The data recovery wizard is about to merge data from channel Drag into channel Drag Press Finish to complete the data recovery procedure The wizard performs the data recovery operation if the Finish button is pressed PiAero Administration This program is installed in the same location as PiAero itself and will typically be available on the Start menu next to PiAero lt enables you to do the following select the channels inventory and active results databases used by PiAero delete channels st
20. and select Delete If you wish to recover it at a later date then choose to show the obsolete Parts Properties and Types from the box at the bottom left all the deleted component types will now appear marked by a red cross You may now right click on a deleted type and select it to be Marked available Click on the Add Property button 27 E e Compound Text Name Text Part No Number Units i Type Number Add Cancel The properties shown are universal for the inventory and can be re used by many different component types Creating a new property To create a new property enter its name and units into the boxes at the bottom Also select a type this affects how the property information is stored in the database and will restrict the values that you can enter Click the Add button The new property appears in the list Note To enter the units symbol for degrees hold down the Alt key on your keyboard type 248 on the numeric keypad then release the Alt key Editing a property You can edit a property simply by clicking on it and changing the name units or type down at the bottom of the window Do not press the Add button as this will create another property with your changed settings When you click to another property you will see your edited changes appear Deleting restoring a property To delete a property from the global list click on it and press the Delete key A red cross wi
21. ary sheets trend graphs etc Once this has been done it becomes a trivial task to select and load in data for the runs that you want to view There are four types of data files used by PiAero The distinction between them helps to explain the structure of the program Results Database aero_rdb files A Results Database stores data generated by the wind tunnel instrumentation forces pressures etc run by run together with the model configuration for each run You can create any number of results databases which could be used to separate out data for different projects different cars or perhaps each wind tunnel session A results database is displayed in PiAero as shown overleaf E Results aero_rdb 3 Results E Pidero UserManual Results aero_rdb lt q January Road Track Speedway February 3 Configuration Obsolete Components Name of results database file Folders containing run data List of runs contained in the highlighted folder Model configuration for the highlighted run Inventory database aero_idb files An Inventory Database stores all the details of the model parts r Component Tupes Parts Front Wing Rear Wing List of available parts for the highlighted component ECH Obsolete values None y Add Property When you define the model configuration for a particular run you are associating the r
22. cel 15 3 Choose a Drive and Directory in which to save the workspace enter the File name and click Save Opening a workspace 1 Select Open from the File menu This brings up the following dialog Look in a UserManual y E ex ScreenShots Results Idb a Chanmels aero_cdb Si Standard Report xls Ley Sl Channels db UserManual aero_wsp Ed Inventory aero_idb 2 Inventory Idb Results aero_rdb File name O O Files of type All Files v 2 Select the Drive and Files of type aero_wsp 3 Select the file and click Open 16 Pi Aero User Guide Closing a workspace 1 2 Select Close Workspace from the File menu Pi ero Standard Reports aero_pla ES Co view Settings Window Help New CN Open Ctri 0 Close Save D 33 Configuration 23 Obsolete Components Save As Import Data Eime Ets e RUE Preview Print Setup Recent Files D Recent Workspaces 3 1 Bun 120 d Comparison D Current Run 4 Run123 5 Run 124 1D Table 1D Table Sheet21426 Sheet1141 Comparison Datum Chassis Forces E DON NUM 4 This brings up the following dialog 2 Do you want to close all document windows SE Click Yes or No as appropriate 17 Results storage A Results Database stores data from one or more runs These can be organise
23. ct Open from the File menu or type Ctrl O e or click on the Open file button G This will bring up the following dialog Look in a UserM anual y Si cl ScreenShots i Results Idb a Chanmels aero_cdb Si Standard Report vs e Channels Idb UserManual aero_wsp E Inventory aero_idb Inventory Idb ES Results aero_rdb File name Files of type 20 Pi Aero User Guide Narrow down the selection to Results Database files using the file type filter at the bottom of the dialog Results Database files have the file extension aero rdb and are identified by this icon Select which file you want and press Open If you can t find it in the current directory use the browsing controls at the top of the dialog box to change directory Creating a new Results Database 1 2 There are three methods for creating a new results database file either select New from the File menu or type Ctrl N or click on the New Database button DI This will bring up the following dialog z Results Cancel Workspace Help Click on Results and press OK to give the following dialog Create New Results Database HE Look in E UserManual y E ex ScreenShots Results aero_rdb File name Files of type Pisero Results Database aero_rdb Cancel 21 3 Choose a directory for storing the database and enter its name Press Open to create and start the database Fol
24. ction Group This means that each time a result comes in from the instrumentation the spreadsheet will be updated To include the current run right click on the Selection Group name and choose Include Current 62 Pi Aero User Guide EX Placement Of x E Pidero UserManual Standard Re Placement Name Type Location Selection Datum E Force Summary Table 1D Table Sheet 1A1 Compare E REG Include Curent Folders of runs You can include an entire folder of runs into a Selection Group This is particularly useful if you want to create a summary report of a day s testing Drag a folder from the Results Database into the Selection Group If you drag the folder over the Selection Group name you will add the run to the Selection Group If you drag the folder over another folder in the Selection Group then you will replace it Note that if the folder in the Results Database includes the current run it this will be included in the Selection Group and the worksheet will be updated each time a result comes in Triggering Excel macros The following Excel macros are called by PiAero If you want to make use of this facility simply define macros with these names in the Excel that is linked to PiAero OnPiAeroRefresh Triggered whenever PiAero has finished refreshing the placements in Excel This will therefore happen as follows When you activate the Update Excel button Each time a DATA line is r
25. d into folders which might be used for example to segregate runs from different days months or major model changes The folder structure is displayed in the top left pane of a results window and the runs contained in the highlighted folder are shown as a list in the bottom left pane ES Results aero db ID E Results E Pidero UserManual Results aero_rdb 3 Configuration G January 3 Obsolete Components Road Track Speedway February RunName L t FunComment Si Run 128 9 D Run 120 10 1 New Run 9 New Run A run contains three types of data wind tunnel data generated by the instrumentation and imported into over a serial link network model configuration data entered by the user within PiAero run comments entered by the user within PiAero by double clicking on the run in the lower left hand pane Runs with and without wind tunnel data are distinguished as follows identifies a past run i e one that has received data from the wind tunnel It contains both model configuration data and wind tunnel data and cannot be deleted from the database E identifies a future run i e one that has yet to receive data from the wind tunnel It contains only model configuration data and can be deleted from the database 18 Pi Aero User Guide Each Results Database has one run designated as the current run In turn one Results Database is designated as active Whenever PiAero rec
26. ders You can change the folder structure by right clicking on the part that you want to change ESE MA x 3 Results E Pidero UserManual Results aero_rdb 83 Configuration January Copy Dt 33 Obsolete Components Delete Del Appeared to You can add folders as siblings or children of existing folders and you can also rename them by clicking on their names You can also delete folders but only if they do not contain any runs Runs Future runs You can add a future run to a Results Database by right clicking on the following parts of the run list pane on the last past run or on an existing future run or if the run list is empty anywhere in the run list pane 22 Pi Aero User Guide E Results aero_rdb Bisi E 3 Results E Pidero UserM anual Results aero_rdb 33 Configuration B E January 4 Obsolete Components Road Track Y Speedway 3 February election Copy Configuration Paste Configuration Unde Paste ontiauratcr The only restriction is that you cannot insert a new run between past runs Current run In order to import data from the instrumentation one run in the database must be selected as the current run This must be the first future run in a folder 1 If the folder doesn t contain any future runs right click on the last run and select New Run gt After Selection 2 Right click on the first future run in
27. eate a new column Tip to find a channel quickly click in the channel list area and then type the first letter of the channels name You can force the size of a band by entering values into Number of columns and Number of Rows and pressing the Set button Delete an unwanted entry by clicking on it and pressing the Del key Number of rows to fill sets the maximum number of rows that PiAero will try to place into Excel 45 Order Column Headings Step 2 of 3 x Drag and Drop channels into desired order on grid Edit Special Sort Order Tunnel Data Configuration Data Pidero Labels Drag and drop a channel into a location in the grid Front Ride Lift Rear Ride Run number Setpoint number Side Number of columns H Number of rows fi Set Number of rows to fill jad Finish Cancel Help Note that the available channels are divided into the following Tunnel Data channels generated by the wind tunnel instrumentation Configuration Data values from the inventory PiAero Labels these are values generated by PiAero to help it keep track of the data Sorting the data When PiAero places a 1D table into the Excel worksheet it will by default place the data in the order in which it finds it in the Results Database You can force it to place the data in a specific order as follows each column can be sorted ascending or descending Left hand columns take precedence over
28. eceived from the instrumentation i e when data is reduced at the end of a sample but only if the Update Excel button is active and one of the placements contains the current run This macro could be used to refresh pivot tables or charts that are hanging off the placed data 63 OnPiAeroEndRun Triggered whenever PiAero receives an END line from the instrumentation This happens at the end of a run that got as far as sending data to PiAero This macro could be used to print out a run summary or bundle the data off to your simulation package These macros will only be triggered by the copy of PiAero that is receiving the data If you want to get other networked copies of PiAero to run macros automatically then you will have to get the receiving machine to relay on the calls 64 Pi Aero User Guide PiAero Options There are various PiAero options that can be accessed via the Settings Options menu Communication tab PiAero Options xi Communication Excel Inventory Help Connection Ss Select the required connection type from the options listed below No connection C Connect using COM1 c E Oj Notification i Select the option below if you want Pi4ero to beep when E receiving new data IV Notify with beep Cancel Help The options presented under Connection define how PiAero receives data from the instrumentation COM1 and COM2 are for serial communication DCOM is for co
29. eee 14 Morkepaceg geed Ee ee SE ege 15 Saving a workepnacge cn ran reiii ei 15 Opening a workspace esse eee eee eee eee 16 Closing A Workspaces non ncnnnnn con nan nc rn narran 17 Results Storage vesaat vates ee 18 Opening and creating Results Databases see eee eee eee eee 20 A O AS 22 A e te MAS ieee A DEE AE 22 Active database cuicos ita 23 RUN COMME Sc meca ia 24 COMPONENT DES wes iv tice aera ee ed t 27 A TEE 27 Paris vc Anklet el oi ee tee ds 29 Configuration Ayuk droee i E E A S ea 31 Setting the configuration for a run 32 Placement definitions sssssseee esse esse esse essere essere essere essere enne ennes 35 Opening creating a Placement fie 36 Selecting the target Excel worksheet eee 38 Selection Gro P ui aie denice eine 39 Defining a placement see eee eee ee eee eee eee eee 41 1D table placements ssseee esse esse sss ee essere ese ee essere enesenn eenn eenn e es 42 Step 1 ofthe Wizard tala ios 43 GEET borradas paliar Bates 44 Step 2 ofthe Wizard iia ici 45 Sorting the data iio See ee die eee del cies 46 Step ofthe E T EE 53 2D table placement sse esse esse essere essere esse essere essere enne enes 55 Wizard a ii 56 Wizard St lion hh abe tote Bivens ete tts 56 Wizard Stop Tirol io recita 58 Configuration values placements ess sees ees ees sees esse ees sees re sree 59 Wizard step Lilian 60 Wizard Step Bici eee ee ee 60 Pi Aero User Guide Sending data to Excel s sesseeeseresresresreere
30. eives data from the wind tunnel instrumentation it assigns it to the current run in the active database D Identifies the current run in the active database x identifies the current run in a non active Results Database Since the runs are listed chronologically a folder always contains firstly all the past runs then optionally the current run then all the future runs When the instrumentation indicates that a new run is starting the current run moves on to the next available future run If one is not available it creates one This process is shown in the diagram below new run data received current moves on to next available future run S Run 229 2 Run 230 b new run data 6 5 ha received current H He e moves on to next L New Run available future run new run data received new run is created Run 229 Run 230 10 Run 231 11 Run 232 12 Run 233 13 D Run 234 14 19 By creating a number of future runs you can set up a sequence of model configurations in advance of the wind tunnel test The minimum that you need to do to run PiAero is as follows open or create a results database create a series of folders in which to store the runs set the active results database set the current run You can optionally create a number of future runs Opening and creating Results Databases Opening a Results Database 3 There are three methods for opening a results database file either sele
31. enesenn enrere neee 62 Triggering Excel MACrOS AA 63 PiAer Opl ONS iii da salinas 65 Data Recover Y ii od 69 PiAero Administration sss esse ssseve esse essere essere esse enesenn reenn 72 Selecting channel and inventory databases sees eee eee 72 Deleting Chetpeler eet eg dik hie dada 73 Compacting databases AA 73 Installation ic 74 System reduiremente eee eee eee ereer ee 74 Installation procedure sss eee eee eee eee 74 Windows Registry A 76 Contact information r aee aoar aeaoe da aa aaora aS aena Aeara rar taaa 78 Pi Aero User Guide Introduction PiAero provides the following basic functions takes data on line from Pi s wind tunnel instrumentation and stores it in a database allows you to develop an inventory of parts used to describe the model configuration for each run places result and model configuration data in an Excel spreadsheet Excel is intended to be the primary means for displaying the data for generating reports and printouts The Excel spreadsheet is linked live to PiAero so that data appears the moment it becomes available from the instrumentation PiAero can also trigger macros in Excel upon receipt of data so that printouts and other function calls can be run automatically The tables injected into the spreadsheet by PiAero can be used as sources of data for Excel charts and pivot tables By spending a little time customising the Excel spreadsheet you can create any number of reports summ
32. ent file will always contain one Selection Group To add another 1 Right click on the Excel file icon at the top of the selection tree in the left hand pane 39 E E EEE Place Activate Worksheet Location Selection E New Selection Group HERI Select Worksheet New Selecti Populate Worksheet tion Group 2 Choose New Selection Group The new Selection Group will appear at the bottom of the selection tree E New Selection Group E New Selection Group Naming a Selection Group You can change the names of Selection Groups by clicking on their names The names of the Selection groups are used by the Placement methods so that they know where to get their data from Below is an example of two Selection groups that have been renamed Datum and Compare EX Placement ight Click to define 1D Table Deleting a Selection Group You can delete a Selection Group either by clicking on it and pressing the Del key or by right clicking on it and choosing Delete This will delete the Selection Group and the Placement methods associated with it 40 Pi Aero User Guide Defining a placement To create a new placement method follow these steps 1 2 3 select the Selection Group that you want to act as the source of data for the placement method Right click in the right hand pane E Placement iof x ES E Pidero UserManual Standard Re e Datum Edit Placements Gat Il hl Ae
33. fine placements Note that since Wizard step 2 does not apply in this case the step 3 dialog box appears immediately Wizard step 3 Select where you want to place the configuration data 60 Pi Aero User Guide ENS Excel Range Step 3 of 3 Be 61 Sending data to Excel Once you have defined a placement and a Selection Group you can send data over to the Excel worksheet by 1 Putting one or more runs into the Selection Group 2 Enabling the Update Excel tool on the toolbar button Si 3 Pressing the Refresh tool on the toolbar If Update Excel is enabled then each time you make a change to any Selection Group the data will automatically be updated in the Excel worksheet This may sometimes be inconvenient especially if you are wanting to make a lot of changes to the Selection Groups Depressing the Update Excel button will stop changes being reflected in Excel The Refresh button will update the view of runs in the results database and then populate Excel providing that the Update Excel tool is enabled There are three ways of putting runs into the Selection Group Individual runs Drag one or more runs from the Results Database into the Selection Group If you drag the run over the Selection Group name you will add the run to the Selection Group If you drag the run over a run in the Selection Group then you will replace that run Current run The current run can be included in the Sele
34. ilable or with a blank if there is no data If you are putting Excel formulae into some of the cells e g an interpolation function then you should protect those cells with a check mark 57 Wizard step 3 This defines where to put the data in the spreadsheet ENS Excel Range Step 3 of 3 58 Pi Aero User Guide Configuration values placement This placement method simply dumps the entire car configuration to a spreadsheet in the following format there is one row for each property for each component the first row contains the run IDs for internal use by PiAero the second row contains headings to describe the columns column 1 contains the name of the components column 2 contains the names of the component properties column 3 contains the units of the component properties columns 4 onwards contain the values of the component properties for each run in the placement selection X Microsoft Excel Aero test data xls olx SI File Edit View Insert Format Tools Data Window Help lej sl Property Units Run 346 Run 347 Compound A A Part number 123 123 Angle Name Kinked Kinked Part number 321 321 Angle 10 Part number 456 456 13 hd lal rl Z Balance graph Configuration 2D nonsense Z Daily 4 ye There is very little to define for this placement method 59 Wizard step 1 There are no qualifiers relevant for this placement Select Values to Display Step 1 of 3 Right Click to de
35. in you can define any number of selection groups You might typically have one selection group containing a datum run and a second selection group containing a run for comparison By placing data from these two selection groups in different areas of the workbook you could create another area within the spreadsheet that takes the difference between the two This therefore enables comparisons between runs EX Standard Reports aero_pla A x e Ej Datum HH Chassi 1D Table Sheet2l41 Comparison ae 1 Run 120 i 1D Table Sheet21426 Comparison omparnson D Current Run A Run123 5 Run 124 hassis Forces 1D Table Sheet1141 Datum In the example above there are two selection groups Datum Comparison The selection group called Datum has one placement method called Chassis Forces This is a 1D table that places data starting at the Sheet Cell Datum A1 Run 120 is currently the only run in the selection group so the 1D table will contain data for that run only 35 The other selection group called Comparison contains three runs the Current Run which changes dynamically as the instrumentation generates new data and runs 123 and 124 The data from these runs will be placed according to three placements methods as listed in the right hand pane To set up a Placement file properly you need to carry out the following steps 1 open create a placement file 2 selecta target Excel worksheet 3 create a Selection
36. lacement files and Excel templates to match their own requirements for viewing the data You may however keep a library of these files on the fileserver for common access Setting up for networked usage You can easily change the results and placement files that PiAero is using simply by selecting Open or New from the File menu With the correct network configuration you can read and write to these files on remote computers as if they were on your own machine PiAero also needs an inventory and a channel file To select which files PiAero uses you need to start PiAero Administrator and change the choice of file See the section towards the end of this manual 14 Pi Aero User Guide Workspaces The workspace is the collection of active windows such as Results Configuration and Placement you have used during aerodynamic analysis Saving a workspace saves these active windows in the position and size configuration you defined when using them Once created the workspace is automatically saved when you close it when you open another workspace or when you exit PiAero Saving a workspace 1 Select New from the File menu This brings up the following dialog ix Results Cancel Workspace Help 2 Select Workspace and click OK to bring up the following dialog Save in A UserManual y Si cl ScreenShots Del User anual aero_wsp File name Save as type Pitera Workspace Files aero_wsp x Can
37. lick to define 1D Table New Selecti 3 You will then need to save it with a file name using Save As from the file menu see over Save As EE Save in TS Userarua el cl File name Placement aero_pla Save as type Pi ero Placement Files aero_pla Cancel 4 Choose a directory and enter a file name then press Save Selecting the target Excel worksheet You cannot create a new worksheet from within PiAero so make sure that you have an Excel file available before you proceed Typically you will devise a spreadsheet that matches the placement methods and then use the same spreadsheet over and over as a template To select a worksheet 1 Right click on the Excel file icon at the top of the selection tree in the left hand pane EX Placement A ES S LEE Placement Name Type Location Selection E New Selection Group E Right Click to define 1D Table New Selecti 38 Pi Aero User Guide 2 Choose Select workshee t The following dialog will appear allowing to browse and select a worksheet Select Excel Spreadsheet for placements 128 x Look in a UserManual El cl ScreenShots Standard Report xls E Files of type worksheet Files viel y Doral When you have made your selection the name of the worksheet appears at the top of the Selection tree New Select Selection Group Creating a Selection Group By default a new Placem
38. ll appear against it Note This will affect all parts that have this property so proceed with care To restore it click on it and press the Add button 28 Pi Aero User Guide Parts First add the properties that you require to the component type 1 click on the Add Property button in the Inventory window 2 click on the property you wish to add 3 click on the OK button 4 go back to step 1 and repeat until you have all the properties you want Now enter as many parts as you want into the inventory 1 enter values for the properties for a part If the property is a setting such as wing angle that you will change for each run then just leave it blank 2 press the tab key to move on and create a new row Changing the displayed property The first property that is listed i e the left most column is the property that will be displayed in the configuration layout To change this right click on the top row of the property that you want to display and select Displayed property This property will now move to become the left hand column Removing restoring properties To remove a property right click on the top row of the property and select Marked Obsolete Unless Properties are selected in the Obsolete values box at bottom left its column will disappear Otherwise the column will remain but greyed out To restore it right click again and select Marked Available Removing restoring parts
39. mmunication over a local network The Notification option selects whether PiAero notifies the user with a beep when new data is received 65 Excel tab PiAero Options B Communication Excel Inventory Help Update Select the option below if you want Pidero to update Excel when a placement file is first opened Select the option below if you want selection groups that do not explicitly Include Current to be updated at the end of a run only T Update at end of run Macros e Select the option below if you want the macro to be executed when the Refresh button is pressed T Bun the OnPideroEndRun macro Update during open selects whether PiAero should populate Excel when a placement files is first opened Update at end of run forces PiAero to populate Excel only with folders of data that implicitly include current at the end of a run The default behaviour is to populate with a selection group if it explicitly includes current or if it contains a folder which contains the current run The macro option forces PiAero to run the OnPiAeroEndRun macro when the Refresh button is pressed This is useful when working off line i e not connected to the instrumentation but you want PiAero to behave as if it were on line 66 Pi Aero User Guide Inventory tab Piero Options The Configuration option makes PiAero warn the user when they are altering the configu
40. n where expression channel name comparison_operator channel_name logical_operator AND OR comparison_operator lt lt gt I gt 1 lt gt channel_name the name of a channel from the wind tunnel data the inventory or a label generated internally by PiAero indicates an optional entry indicates zero or more iterations a b c means choose only one or a b orc mu Note The names of the channels must be contained within quotation marks Precedence of logical operators AND takes precedence over OR in the same way that multiplication takes precedence over addition So Roll 0 AND Front ride 10 OR Rear ride 10 44 Pi Aero User Guide means that data will only be selected for results where either the front or rear ride heights are at 10 and the roll angle is O E g from the following set of results only the highlighted one will be selected Roll Front ride Rear ride 0 5 15 0 10 15 1 5 10 1 15 15 If the qualifier had been Roll 0 AND Front ride 10 OR Rear ride 10 then the following highlighted results would be selected Roll Front ride Rear ride 0 5 15 0 10 15 1 5 10 1 15 15 If in doubt about precedence use parentheses in your qualifier definition Step 2 of the Wizard This is where you define the contents of the table To put a channel into a band drag it from the channel list onto the grid If you drag to the right of an existing column it will cr
41. nother package e g copy a table of values from a Word table or an Excel spreadsheet Ctrl C click on the selected cell in the Special Sort table and paste Ctrl V The 1D table will now be forced to use those values for Front ride and Rear ride even if there are no results available for all of them 51 Take the following example data set which has various results for different roll angles front and rear ride heights Roll Front ride Rear ride Total Lift 0 10 10 2198 0 10 15 2178 0 15 15 2092 2 20 20 2052 2 10 10 1996 1 10 10 2007 3 15 20 1975 If the special sort order is used for Front ride and Rear ride and Roll angle is sorted ascending then the 1D table would look as follows Roll Front ride Rear ride Total Lift 0 10 10 2198 0 15 15 2092 0 20 20 1 10 10 2007 1 15 15 1 20 20 2 10 10 1996 2 15 15 2 20 20 2052 Note the following three roll angles were detected in the results set so three blocks of the special sort are created even though four of the rows have no associated results two of the results no longer appear as their Front ride and Rear ride values do not match anything in the special sort order 10 15 and 15 20 52 Pi Aero User Guide Step 3 of the Wizard This is the top left cell of the 1D table This is where you define where to place the data in the worksheet Select Excel Range Step 3 of 3 xi Sheet A A quick method of selecting the top left cell
42. of the 1D table is as follows 1 Click on Show Excel Workbook This brings Excel up as the active application 2 Click on the cell that you want to be the top left cell 3 Go back to PiAero e g press Shift Tab The name of the sheet and cell number will be entered into the wizard Once you have completed the third wizard step you have finished defining the Placement Method This will now appear in the right hand pane 53 This is the name that you defined in step 1 of the wizard Top left cell for the 1D table EX Placement ES E Pidero UserManual Standard Re Datum Compare 1D Table Sheela Force Summary Table This placement method draws data from the Compare Selection Group 54 Pi Aero User Guide 2D table placement A 2 D table is defined by two channels typically indices such as front and rear ride height which are used for the row and column indices and a third channel whose value is inserted in the table X Microsoft Excel Aero test data Ox Si File Edit View Insert Format Tools Data Window Help 2441 4 23438 21484 2050 8 2099 6 2099 6 2050 6 1963 1 1904 3 1904 3 1953 1 1904 3 18555 17578 7 e 14 4 gt dif Delta Z Datum Z Current Z Balance graph 2D nonsense Daily log Ia w 55 Wizard step 1 This is where you define qualifiers which act exactly as for a 1D table i e they filter the data in the Data Selection
43. operties xi Enter the new value that you want and press OK This will appear in the configuration layout next to the displayed property E Results aero_rdb BIS 79 Results E Pidero UserManual Results aer lt 79 Configuration 3 January 2 Wings Road Track E Front wing 123 10 Speedway a Rear Wing 111 3 February GC Tyres E Front Left Tyre 456 53 Obsolete Components Copying configurations from one run to another To copy a whole configuration Right click on the source run in the bottom left pane of the Results window and select Copy Configuration To copy part of a configuration Right click on the part of the configuration to copy and select Copy Subcomponent To paste the selected configuration data Right click on the destination run and select Paste Configuration Undoing Paste Configuration The paste configuration operation can be undone by right clicking on a run and selecting Undo Paste Configuration Pi Aero User Guide Placement definitions A Placement file defines what data gets placed in an Excel worksheet and in what format The format is determined by placement methods which define which channels go where in what order with what qualification etc The three types of placement method are 1D table 2D table Configuration values You can define any number of placement methods Selection Groups determine which runs are to be used as a source of data Aga
44. ored in the channel database compact a PiAero database You can only make changes if PiAero is not running Selecting channel and inventory databases 1 Start PiAero Administrator Pi ero Administration x M Channels Database E Pidero UserManual Channels aero_cdb Browse Inventory Database JE Pidero UserManual Inventory aero_idb Browse m Results Database JE Pidero UserManual Results aero_rdb Browse Maintain Channels Compact Cancel 2 Use the browse buttons to select the channel inventory and result files If your network is properly configured this should enable you to access files on a remote computer 72 Pi Aero User Guide Deleting channels 1 Click on the Maintain Channels button Channel Maintenance x Run number Setpoint number Side Select channels to remove from the database and press delete Note that if after a channel is deleted it is encountered in a results database it will become visible again Cancel 2 Click on and delete any channels that you want to remove Compacting databases lt is recommended that databases are compacted from time to time as it improves performance and reduces the size of databases PiAero files which can be compacted include aero_rdb aero_idb aero_cdb To compact a database click the Compact button which will display a file selection dialog allowing you to choose a PiAero dat
45. ponent types On the left is the treeview representing all the components on the car Note that there is only one configuration layout defined in PiAero at a time All results windows will show the car s configuration using the same layout even for a run performed years previously with a completely different set of components on the car Components that were in use at the time of the run but which no longer feature in the configuration layout are bundled together in the Obsolete Components folder Defining a new component To define a new component on the car drag a component type from the right pane to the relevant folder in the left pane Note that PiAero will not let you have two components with the same name If you are using the same component type more than once in the configuration layout then PiAero will prompt you to enter a new name 31 Duplicate Name xi This component already exists in the tree Please try another name Front Tyre Deleting restoring a component To delete a component click on it and press the Del key It will be moved down to the bottom folder Obsolete Components To restore the component drag it back up from the Obsolete Components folder Changing the folder structure You can create new folders by right clicking on the parent or sibling folder and selecting New folder Folders can be renamed by clicking on the name and typing the new name Setting the configuration for a
46. ration Once this is done you will typically operate PiAero as follows From run to run make sure the model configuration accurately describes the model being tested When analysing data generate spreadsheet reports by dragging runs from the Run Databases into Data Selections 12 Pi Aero User Guide Computer configuration At the tunnel PiAero needs to be running on a computer connected to the instrumentation by a serial communications link or on a network Printer Wind Tunnel Instrumentation Computer running PiAero Away from the tunnel it is likely that others will want access to the data perhaps using a fileserver as a central repository Server fz er Laptop returned from tunnel If a computer e g a laptop is taken to the wind tunnel to collect results then it is very important to maintain control over the master copies of the data files If for example two 13 engineers are both editing different copies of the Inventory database one on the tunnel laptop one on the factory server then you have lost control over the master copy It is not necessary to be strict about the control of Placement files and Excel templates as these do not store unrecoverable information lt is likely that each user of PiAero will have their own P
47. ration of a run that already contains data 67 Help tab Piero Options The Acrobat Reader option allows the user to specify the location of their Adobe Acrobat Reader which will be used to display the on line user manual 68 Pi Aero User Guide Data Recovery The data recovery menu provides a means of starting the Pi Aero Data Recovery Wizard which will rebuild a Pi Aero database in the event of data corruption Warning Incorrect or inappropriate use of the Data Recovery Wizard may result in the loss of data For this reason users are strongly advised to contact Pi Research and discuss any problem before using this wizard The following section summarises the steps involved in using the wizard 1 Welcome and warning Pi ero Data Recovery Wizard xi This wizard will allow you to fix broken links in your data You will generally only need to run this wizard if blank channel names are detected in your data Blank channel names are renamed as Blank Channel ame HHH to help you recognise them WARNING Once data from two channels has been merged it is impossible to separate the data again This wizard should only be used if the implications of merging two channels is fully understood Finish Cancel Help Click Next gt to move between the different steps 69 70 2 3 Pi Aero User Guide Database selection This dialog box allows you to select the results dat
48. un with various parts in the inventory However the details of the parts actually remain in the Inventory database Pi Aero User Guide Note If you delete a part from an inventory then the information about it will be lost from every run that used that part Although it is possible to create a number of inventory databases this should only be done if you have distinct projects with no commonality of parts The best strategy is to maintain a single inventory database that is carefully controlled e g only one user should update the inventory at a time Placement files aero_pla files Name of the placements file Selection group containing one run Selection group containing three runs including the current run A Placement file contains instructions for putting data into an Excel spreadsheet lt contains one or more Selection Groups each of which contains the following a source of data i e one or more runs a number of methods for placing data from that source into the spreadsheet The spreadsheet will be populated with data whenever you change a data selection If that includes the current run then the spreadsheet will be change in real time as results are generated A Placement file is displayed in PiAero as follows Excel file into which the data will be placed EX Standard Reports aero_pla JERE Pidero U serManual Standard A Datum hassis Forces 1D Table Sheet2

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