GASWorkS™ 9.0 - Bradley B Bean PE
Contents
1. The work area contains the main portion of the window The Scroll icon is located in the lower left corner of the GDI Window The view may be moved right or left and up or down by selecting one of the arrow symbols on the icon A Pan command and several Zoom commands are also provided to help negotiate the model image When a GDI Command requires keyboard input a prompt will appear just above the work area Note GASWorksS provides several ways to enter a node s location These include specifying an X Y coordinate pair specifying a relative distance and angle and drawing the segment with the mouse We will use each of these methods when constructing the example model If your Windows environment is set to use a comma as the decimal separator use a space to separate the coordinate values only use whole non decimal coordinate values Building The Model 1 Add The First Pipe Using The Coordinate Method Of Entry e Select the Add 2 Point Pipe icon from the Graphic Construction Commands toolbar Rd A At the From Node Location prompt enter 1000 1000 Feet 1000 1000 Metres then press the Enter key e The From Node Data screen will be BEES displayed On the Hydraulic tab change Ra ja Calciated the node s name by entering SUPPLY for wena r o the Node Name For the Pressure enter 20 Pressure po Pi z Unknown Psi 1 38 Bar Base Load o Mefh 7 M Unknown Elevation po Feet a Temperature fo Fahre2. cleared by choosing the Reset Selection Set icon e Select the Close This Report command button to close the Node Report 2 Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 17 GASWorkS 9 0 Demonstration Guide 6 Select the Pipe Report Use the horizontal scroll bar to view items displayed on the right side of the report As you scroll you will see the various items reported for the pipe features including flow rate pressure drop velocity and volume values for each segment For longer reports the vertical scroll bar can be used to browse through the various records When you are done browsing the Reports select the Close All Reports command button Note as This example barely touched on the many features associated with the Standard Report The report allows data editing directly from the report screen by simply clicking on the appropriate data cell The User may control the contents of the report by expanding and collapsing columns and by creating query based selection sets There are also several routines provided for sorting and browsing through the report contents Because of the amount of data contained in the report the report width will always be greater than the page width When using the Print routine a message will be displayed stating that the report width is greater than the page width An option will be given to cancel the Print routine or con
3. 3 hr Pressure Drop Psi Bar Temperature Fahrenheit Celsius Velocity Feet sec Metres sec Viscosity Lbm Ft sec Centipoise Select the Gas Properties tab Enter or select the following values Specific Gravity 0 6 Viscosity 0 000007 Lbm Ft sec 0 0104 Centipoise Heating Value 1000 Btu cf 37 2 Mjoules m 3 Specific Heat Ratio 1 3 e Select the Hydraulic Data tab Enter or select the following values Pipe Size Type 2P Inches 63P 11 Millimeter Pipe Equation IGT Improved Pipe Efficiency 0 95 Decimal a Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 4 GASWorkS 9 0 Demonstration Guide Allow Pipe Sizing Unselected Unchecked Node Pressure 0 Psi 0 Bar Value Is Unknown Selected Checked Node Base Load 10 Mcfh 283 M 3 hr Value Is Unknown Unselected Unchecked Node Elevation 0 Feet 0 Metres Node Temperature 60 Fahrenheit 15 6 Celsius Value Is Unknown Unselected Unchecked e When all the values have been entered select the Close command button to close the screen and save the settings Using The Graphic Data Interface GDI The GDI Window will display differently on different monitors Let s resize it now so that it fits nicely on your monitor Select the Maximize GDI Window icon from the Graphic Window E Controls toolbar to fit the window to your monitor Eb Note The GDI Window can also be
4. Node 15 similar to Figure 1 and left click the mouse to indicate the node s location e The To Node Data and Pipe Data screens will be displayed If the node name is set to 20 the remaining data values are acceptable Select the Close command button to continue After entering this pipe the model should look similar to Figure 1 SUPPLY Figure 1 4 Add The Fourth amp Last Pipe Either select the Add 2 Point Pipe icon from the Graphic Construction Commands toolbar or right click the mouse while the mouse pointer is in the GDI Window The GDI Pop Up aa Menu will be displayed and select the Repeat Last Command item e At the From Node Location prompt either press the Enter key or right click the mouse to accept the default coordinates e At the To Node Location prompt move the mouse pointer near the location of Node SUPPLY While holding down the Shift key left click the mouse to indicate the node s location Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 9 GASWorkS 9 0 Demonstration Guide Note If the To Node Data screen is displayed it indicates that the location for the node was not properly selected To reselect the location select the Cancel command button and reselect the Add 2 Point Pipe icon e The Pipe Data screen will be displayed The default data is acceptable Select the Close command button to continue After entering the last pipe
5. PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 12 GASWorkS 9 0 Demonstration Guide Note The displayed pressure values represent the estimated pressure for each node point As a result of the hand drawn pipe segments the third and fourth segments each example model is created slightly different This will cause the pressure values to vary slightly A large difference indicates that an error has occurred during the creation of the model If this is the case you might want to retrace the creation steps to identify the problem The analysis results can also be viewed and printed using the Edit Node Data and Edit Pipe Data icons from the Data Edit Commands toolbar Tapping A Pipe To simulate a new connection to the system let s add a new node tap to the pipe segment between Nodes 15 and 20 Note the Select Pipe To Tap prompt move the mouse pointer near the pipe between Node 15 and Node 20 then left click the mouse At the Select Tap Location prompt move the mouse pointer midway along the pipe segment between Nodes 15 and 20 and left click the mouse The Tap Node Data screen will be displayed On the Hydraulic Tab change the Node Name to NEWTAP Enter 40 Mcfh 1133 M 3 hr for the Base Load The remaining data values are acceptable Select the Close command button to continue e To make a tap select the Tap Pipe icon from the Graphic Edit Commands toolbar At
6. ASWorkS 9 0 Demonstration Guide Bradley B Bean PE 419 East Columbia Street Colorado Springs Colorado 80907 USA Toll Free 1 800 391 9391 Telephone 719 578 9391 Fax 719 578 9394 Thank you for your interest in our products and for taking the time to view our demonstration software We hope that you will be pleased with what you see during the demonstration We are truly committed to providing products that ensure your success If you have suggestions which might help improve GASWorkS to better meet your needs please let us know your ideas Again thank you for your interest A FF Bradley B Bean 2015 Bradley B Bean PE All rights reserved Revision 004 GASWorksS and the B Cubed logo are trademarks of Bradley B Bean PE Windows is a trademark of Microsoft Corporation GASWorkS 9 0 Demonstration Guide The information contained in this guide is intended to provide an overview of the GAS WorkS software by demonstrating a portion of its extensive feature set Although the GASWorkS feature set is not fully demonstrated we hope that the features that are used during the exercises will provide a good appreciation for how GASWorkS may be able to satisfy your network modeling needs The instructions in this guide assume that the User has some knowledge of working with the Windows operating environment and Windows based applications The example in this guide is for a simple distribution style piping system
7. All Rights Reserved 15 GASWorkS 9 0 Demonstration Guide Editing Data During some of the previous steps we used the GDI edit features to change the data associated with the new nodes and pipes we entered Now let s use the GDI s edit features to increase the size of the pipe between Nodes SUPPLY and 20 e Select the Edit Pipe Data icon from the Data Edit Commands toolbar At the Select A Pipe prompt move the mouse pointer near the pipe segment between Nodes SUPPLY and 20 then left click the mouse The Pipe Data screen will be displayed nes The Edit Customer Edit Node and Edit Pipe routines can be executed by using the appropriate command method or by clicking next to the feature in the GDI Window Place the mouse pointer nextto a pipe feature and press the left mouse button to edit view the pipe s data Place the mouse pointer next to a node feature and press the left mouse button while holding down the Shift key to edit view the node s data Place the mouse pointer next to a customer feature and press the left mouse button while holding down the Crtl key to edit view the customer s data e On the Hydraulic tab increase the pipe size to 4 inch plastic by selecting 4P Inches 125P 11 Millimeter from the Size Type list Select the Close command button to close the screen and save the changes Select the Solve icon The Solution Data screen will be displayed On the Solution Data tab select check the Update Color
8. Coding solution option in the Solution Options list Select the Solve command button The GASWorkS Solution Log will be displayed When the solution is complete select the Close command button to close the GASWorkS Solution Log e We can see that all of the node pressures are now positive If the current values are adequate we can conclude that the change that we made fixed the problem or we can change additional pipe sizes and re solve the model to see the results Note i i z Notice that the pipe colors were updated to reflect the new pressure drop values By selecting the Update Color Coding option the last color by range values were used to update the GDI feature colors after the solution was complete Working With Reports The Standard Report provides a comprehensive look at the data contained in the model To view the Standard Report select the Standard All menu item from the Report menu list The various Report screens will be displayed Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 16 GASWorkS 9 0 Demonstration Guide Note Note The Standard Report is segregated into three separate sections Header Data Pipe and Node Each section contains specific data related to its unique type To view the contents of a specific section click on the screen associated with that section If any of the reports are not visible select the associated rep
9. E ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 7 GASWorkS 9 0 Demonstration Guide Note GASWorkS remembers the coordinates of the last node that was entered When a default coordinate pair is displayed either press the Enter key or right click the mouse to accept the coordinates e For the To Node Location enter 500 lt 180 Feet 150 lt 180 Metres then press the Enter key to continue ao The a symbol tells GASWorksS that a relative distance and angle will be used to locate the node The node location is calculated relative to the From Node Location Angles are measured clockwise from the 12 o clock position top of display zero 0 represents north e The To Node Data screen will be displayed If the name is set to 15 the remaining data values are acceptable Select the Close command button to continue Note a Notice that a data screen did not appear for the From Node but one did appear for the To Node That is because the data screens only appear when a new node or pipe is entered The From Node was previously entered so the data screen did not appear Some Users prefer to first build the entire model without interruption from the data screens then go back and edit or change the data values after the model has been created For them the prompting data screens can be suppressed by selecting the Settings menu item from the Graphics menu list The Graphic
10. Settings screen will be displayed In the Options section unselect uncheck the Query During New Feature Entry option Select the Close command button to save the changes e The Pipe Data screen will be displayed The default data values are acceptable Select the Close command button to continue To Fit icon from the View Controls toolbar to cause the display to be zoomed to fit into e To make the pipes we just entered easier to see let s zoom the display Select the Zoom Q the GDI Window Sa 3 Add The Third Pipe By Using The Drawing Entry Method Select the Add 2 Point Pipe icon from the Graphic Construction Commands toolbar a 6 Select the From Node location by moving the mouse pointer near the location of Node 15 While holding down the Shift key left click the mouse to indicate the node s location Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 8 GASWorkS 9 0 Demonstration Guide Note e If the From Node Data screen is displayed it indicates that the location for Node 15 was not properly selected To reselect the From Node Location select the Cancel command button and reselect the Add 2 Point Pipe icon Holding down the Shift key while selecting a node location with the left mouse button will cause the pipe end to be snapped to the existing node nearest that location e Now move the mouse pointer to a location below Node SUPPLY and left of
11. The load for the new node was entered as a negative value remember that a negative value indicates a load leaving the system a demand Because a change has been made to the model the previously computed pressure and flow values are no longer valid To see the effect of the new load on the system we Sra will need to re solve the model Notice that the So ve icon has changed the scale is now unbalanced indicating that the model needs to be solved e Re solve the model by selecting the Solve icon When the Solution Data screen is displayed select the Solve command button to execute the solution The GAS WorkS Solution Log will be displayed When the solution is complete select the Close command button to close the GASWorkS Solution Log and return to the GDI Window e In Figure 4 notice that some of the pressure values are negative less than zero This indicates that the system has run out of gas In other words the increased demand caused by the new load is greater then the system s capacity 2 Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 13 GASWorkS 9 0 Demonstration Guide Figure 4 Let s use the color coding features to try to find the pipes that may be causing the problem Color Coding Pipes amp Nodes GASWorkS provides several routines for color coding pipes and nodes based on their data values Features may be colored based on the results of a qu
12. WorkS 9 0 Demonstration Guide Note The GASWorkS Solution Log displays the progress of the solution process During a normal solution the node errors should start relatively large and get smaller as the solution progresses until the node error is less than the specified convergence tolerance The last line of the GASWorkS Solution Log should indicate Solution Complete If the solution is not complete recheck the model creation steps correct any errors you encounter then re solve the model Viewing The Analysis Results Now let s view the analysis results In addition to its various Report routines GASWorkS also provides several graphical methods for viewing both the model data and analysis results We will look at the Report routines later for now let s use some of the graphical methods to view the analysis results e Notice that the flow arrows are now displayed indicating the direction of the pipe flow the Display Controls toolbar The Text Display Options screen will be displayed In the Node Items list select the Pressure item by clicking in the box adjacent to the item until a check mark appears Select the Apply command button to apply the changes to the display e Let s display the pressure values for the nodes Select the Set Text Options icon from A e The pressure values and flow directions should be similar to those shown in Figure 3 20 P 17 31 Psi 15 P 17 29 Psi Figure 3 Bradley B Bean
13. appropriately Note If the Uninstall Program asks to remove any shared system files select the No command button e A message will be displayed when the Uninstall routine is complete The message will indicate whether the routine was successful or whether it failed Select the appropriate option to clear the message Note i i On some machines the Uninstall routine will not be able to remove any directory or file that has been created after the initial installation e Some of the files and or folders created by GAS Works after the installation may include files in the initialization directory ini files in the default calculation file directory files and or files in the application directory app e To remove these files and or folders use Windows File Explorer to find and delete the remaining files and folders An example of the path for the initialization folder is shown below The other folders have similar path locations e 32 bit machines C Program Files GASWorkS Nini e 64 bit machines C Program Files x86 GASWorkS Nini Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 19 a Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved
14. d wells and demonstrate many of the features associated with the software Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 18 GASWorkS 9 0 Demonstration Guide This simple example provided a brief overview of the basic routines found in the GAS WorksS software There are many routines that were not used in the example the Import and Export routines attribute valves tracing data checking use of the Pipe Sizing routine and use of the customer data features were all absent from the demonstration Perhaps you may wish to explore some of these features on your own Information about these features can be found in the User s Manual or the Help Guide These documents may be downloaded from the Documents section of our website www b3pe com When you are done exploring the software select the Exit GASWorkS menu item from the File menu list to close the program A prompt will appear to save or discard the changes made to the model Select the appropriate option If you choose not to save the changes they will be ignored Uninstalling GASWorkS If after using the GAS WorkS software you wish to remove it select the Uninstall GASWorkS 9 0 menu item from the GASWorkS menu list In Windows 8 right click on the GASWorksS 9 0 tile on the start screen then select the Uninstall option e After the Uninstall Program has been started read the contents of each screen carefully and respond
15. ery For example all of the nodes where the pressure was less than a specific pressure value could be colored red Features may also be colored based on a value range The range values and colors may be set by the User or automatically set by GASWorkS Let s use one of the automatic range methods to color code the pipes e To determine which pipes have the worst largest pressure drop we will color code the pipes based on the their pressure drop values Select the Set Feature Colors icon from the Display Controls toolbar J e The Set Display Colors screen will be displayed In the Color By Range section select the Pipe Pressure Drop item from the Item list Select Psi Bar from the Units list Next select the Calculate command button to automatically set the range values Values will be placed in the From and To data fields as shown in Figure 5 Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 14 GASWorkS 9 0 Demonstration Guide Note Set Display Colors Default Colors Background E Pipe O Node E Symbols E Customers E Apply Default Colors E Color By Query Color Define Query Specification Apply Query Colors m Color By Range Item Pipe Pressure Drop Units Psi Allocate Calculate Apply Range Colors Save Feature Colors Close Figure 5 e Select the Apply Range Colors command button T
16. he colors of the displayed pipes will be updated to reflect the color value ranges e As a reminder of the color value ranges select the Display Color Legend icon from the Display Controls toolbar The Color Legend will be displayed showing the calculated color and value ranges Pipe Pressure Drop Psi Below 4 000 J 8 000 lt 12 000 fj 16 000 lt 20 000 BB 24 000 lt 28 000 J 4 000 lt 8 000 E 12 000 lt 16 000 BJ 20 000 lt 24 000 NH Above 28 000 e You may move the Color Legend to a convenient location by placing the mouse pointer over the title portion ofthe window then hold down the left mouse button and drag the window to the desired location Release the mouse button when the window is positioned where desired The Color Legend can be resized by dragging its sides or corners with the mouse To turn off the Color Legend later select the Display Color Legend icon from the Display Controls toolbar In this case the pipes with the worst pressure drop are colored black The segments between Nodes 10 and 15 and between Nodes SUPPLY and 20 might both be colored black or one or the other might only be colored black The results vary because of the varied pipe lengths resulting from the hand drawn sections Let s try to fix the pressure problem at Node NEWTAP by changing the size of the pipe between Nodes SUPPLY and 20 2 Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015
17. however please remember that the tasks used to create solve and edit this model are applicable to any type of gas piping system The remainder of this guide will step you through the installation of GASWorkS and the creation and manipulation of a simple example model Inserted throughout the text are notes which provide additional information about the software The example exercise is a bit long however please be patient and persistent in working through it completion of the example will provide a valuable lesson on how to use the software to efficiently meet your modeling needs Getting Help Contact Us Hours Our normal work hours are 8 00 A M to 5 00 P M Mountain Time Monday through Friday However if you have a problem please try at any time we may be in By Telephone Telephone 719 578 9391 Toll Free US Only 1 800 391 9391 By Email help b3pe com By Website www b3pe com Hardware Software Requirements GASWorks will operate on any personal computer PC configured to run Windows XP or newer operating system through Windows 10 The Demonstration version of the GASWorkS software will require a minimum of 24 MB of free hard disk space when installed Installing GASWorkS An appropriate version of Windows must be running in order to install GASWorkS If it is not start Windows now then proceed with the installation process described below Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Co
18. indicate whether the installation was successful or whether it failed Select the appropriate option to clear the message Starting GASWorkS aa An appropriate version of Windows must be running before GASWorkS may be executed If Windows is not running begin its execution now On Windows Vista 7 and 8 machines you will need to be logged on as the Full Administrator or use the Run As Administrator option the first time you execute the GASWorkS software e From the Windows Desktop select the GASWorkS 9 0 shortcut icon Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 2 GASWorkS 9 0 Demonstration Guide e The GASWorkS software will be started Welcome Talbot e After the software has been loaded into memory the GASWorkS Copyright Notice will be displayed Select the Continue command button e The Demonstration Notes screen will be displayed Read the contents P 7 Copyright 1991 2013 Bradley B Bean PE carefully and select any desired options then select the Continue Revision 095 February 25 2014 command button i Example Various example files are included when GASWorksS is installed on the hard disk These files are installed inthe Files subdirectory of the GAS Works root directory The examples contain a variety of system types You can view manipulate and solve these example files or use the instructions provided in the following sec
19. maining default solution parameters are satisfactory Select the Solve command button to proceed with the solution While the solution is being performed the GASWorkS Solution Log will be displayed The log displays the solution activity and informs the User when the solution is complete GASWorkS Solution Log Model c program files gasworks 9 4filestmb demo Preparing Data For Solution Performing First Iteration Iteration 1 Max Error 70 716 Mcfh 4 Nodes Unbalanced Iteration 2 Max Error 27 523 Mcfh 4 Nodes Unbalanced Iteration 3 Max Error 14 558 Mcfh 4 Nodes Unbalanced Iteration 4 Max Error 7 481 Mcth 4 Nodes Unbalanced Iteration 5 Max Error 3 791 Mcfh 4 Nodes Unbalanced Iteration 6 Max Error 1 908 Mcfh 4 Nodes Unbalanced Iteration 7 Max Error 2 235 Mcth 3 Nodes Unbalanced Iteration 8 Max Error 1 135 Mcfh 3 Nodes Unbalanced Iteration 9 Max Error 0 582 Mcfh 3 Nodes Unbalanced Iteration 10 Max Error 0 000 Mcfh Average Iteration Time 0 00 Seconds Saving Results Solution Complete oll Capacity 5 Nodes Licensed To Demonstration e Upon completion of the solution select the Close command button to close the log and return to the GDI Window e Notice that the Solve icon has changed the scale is now balanced indicating that the model is balanced Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 11 GAS
20. manually sized by dragging the sides or corners of the window with the mouse To save the current window size as the default for future models select the Settings menu item from the Graphics menu list The Graphic Settings screen will be displayed Select the Save As Default command button select the OK command button to set changes then select the Close command button to close the screen When using GAS WorkS much of your time will be spent working within the GDI Window so let s take a few seconds to describe its various features A set of GDI Toolbar Icons are displayed along the left side of the GDI Window When the mouse pointer is passed over a GDI Toolbar Icon the toolbar will be expanded exposing the GDI Icons The GDI Icons are used to execute many of the GDI Commands command from the GDI Command List or by typing on the GDI Command Line In this example we will use the icon method of execution If a command is accidentally selected it may be canceled by selecting the Cancel icon The GDI Command List icon is located in the upper right corner of the GDI Window The GDI Command Line is located at the bottom of the GDI Window below the g In the GDI a command is executed either by selecting the appropriate icon by selecting a y Note coordinate and GDI Command information Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 5 GASWorkS 9 0 Demonstration Guide
21. nheit Unknown Generally the Load is shown as Cosi Ie Pheri ee Unknown and the Pressure is shown as Adjust External Load By Design Factor 7 External Load Status On C Off Known at a supply point Indicate that the Base Load is Unknown by placing a a check mark in the Unknown box adjacent aaa es se to the Load units list and that the Pressure E E E is Known by unchecking the Unknown box adjacent to the Pressure units list The remaining values are acceptable e Select the Close command button to continue Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 6 GASWorkS 9 0 Demonstration Guide Note Note A node symbol will appear at the new node s location We will zoom in later to make the view a bit easier to see The setting of the Unknown options indicate whether the associated value is Known or Unknown When the option is selected checked the value is Unknown and will be calculated during the Solution routine At this node we indicated that the Pressure is Known not selected and the Base Load is Unknown selected Generally either the Pressure or the Base Load must be Known at each node At demand nodes the Pressure is generally set as Unknown and the Base Load is set as Known A negative value indicates that gas is leaving the system e For the To N
22. ode Location type 1500 1000 Feet 1152 1000 Metres then press the Enter key to continue e The To Node Data screen will be displayed On the Hydraulic tab if the node is not already named 10 enter 10 for the Node Name The remaining values are acceptable Select the Close command button to continue e The Pipe Data screen will be displayed On the Hydraulic tab change the diameter value to 4 inch plastic pipe by selecting the code 4P Inches 125P 11 Millimeter from the Size Type list Notice that the pipe s length reflects the scaled distance based on the coordinate entry Select the Close command button to continue The Size Type diameter list contains several predefined Size Type Codes Each code represents an entry in the Pipe Property Table GASWorkS uses Property Tables to store redundant data items such as inside diameter values Tables are provided for pipe fitting regulator valve compressor and well data values The User may add to or revise the data contained in any of the Property Tables 2 Add The Second Pipe Using The Relative Distance amp Angle Method Right click the mouse while the mouse pointer is in the GDI Window The GDI Pop Up Menu will be displayed Select the Repeat Last Command item from the menu list the Add 2 Point Pipe command will be re executed e At the From Node Location prompt right click the mouse to accept the default From Node coordinates 1500 1000 1152 1000 E Bradley B Bean P
23. ort from the Window menu list Select the Node Report Node Repaott _ CUES Rec 1 Node Pressure Fressure Pressure Base Load External Load poate Load Total Load Load Units Name Units Known SUPPLY 20 00 Psi Yes 69 999 Mcfh 10 19 31 Psi No 10 000 Mcfh 15 11 50 Psi No 10 000 Mcfh 20 18 66 Psi No 10 000 Mcth NEWTAP 10 83 Psi No 40 000 Mcfh v 4 Close This Report Close All Reports Sort the results from the lowest to the highest pressure Select the Make Selection Set icon The Query Specification screen will be displayed j e In the Find Records Where section select Node Pressure from the left list select Min from the middle list and enter 70 in right data field Select the Perform Query command button to create the selection set then select the OK command button to clear the update message Select the Close command button The pressure node values should now be listed from lowest to highest value e The contents of the reports can be manipulated by creating selection sets based on User specified selection criteria The previous few steps created a sorted selection set which found the ten 10 lowest pressure node values In this case there were only five nodes in the model so all records were included in the selection set ranking them from the lowest to the highest value Successive selection sets can be created F e A selection set can be
24. proceed e After a name has been entered the Graphic Data Interface GDI Window will be displayed We will discuss the GDI Window and its various features later in the example Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 3 GASWorkS 9 0 Demonstration Guide Setting The Default Data Values When creating a new model or adding new features to an existing model the data values for the new features are set using the current default data values If similar models are being created these values only need to be set once However if models that are not similar are being created the values will need to be appropriately set when changing model types Note EA a In this document two values are listed where a data value is given The first value represents the value in English US dimensional units The second value enclosed in brackets represents the value in Metric dimensional units Use the appropriate values e To set the default values select the Set Defaults menu item from the Utilities menu list The Default Data Values screen will be displayed e Select the Dimensional Units tab Select the following values Coordinates Feet Metres Diameter Inches Millimeter Efficiency Decimal Elevation Feet Metres Heating Value Btu cf Mjoules m 3 Length Feet Metres Load Mcfh M 3 hr Node Pressure Psi Bar Pipe Flow Rate Mefh M
25. pyright 2015 All Rights Reserved 1 GASWorkS 9 0 Demonstration Guide a On Windows Vista or newer machines you will need to be logged on as the Full Administrator or use the Run as administrator option when executing the installation file In the following steps it is assumed that the compressed folder zip file containing the demonstration software has already been downloaded to your machine If it has not been downloaded go to our website www b3pe com to download it before continuing Find the location where the downloaded folder is saved on your machine Open the folder using Windows File Explorer e Double click on the executable setup file contained in the compressed folder If a Windows Security warning appears allow your machine to install the file e The main setup screen will be displayed Proceed by following the General Installation Instructions described below General Installation Instructions After the setup program has been started several screens will be displayed during the installation process Read the contents of each screen carefully and respond appropriately Note On the License Agreement screen read the terms of the License carefully and select the Agree to option If you do not wish to accept the License Agreement you will not be able to continue with the installation process A message will be displayed when the installation process is complete The message will
26. the example model should look similar to Figure 2 Figure 2 aaa To assist in building a model using the drawing method GASWorkS provides two snap methods which cause a pipe end to be snapped to an existing node The first snap mode is referred to as auto snap This method we have been using by holding down the Shift key while left clicking the mouse when prompted for a node location The second method is referred to as Node Snap this method snaps to an existing node found within a certain distance of an entered location To use this method select the Node Snap icon on the Graphic Construction Commands toolbar until the icon s background is darkened When this method is turned on a circle will be displayed around the crosshairs This circle represents the snap distance a node falling within the snap circle will be snapped to We suggest generally using the auto snap method Bradley B Bean PE ENGINEERING amp SOFTWARE Revision 004 Copyright 2015 All Rights Reserved 10 GASWorkS 9 0 Demonstration Guide Solving The Model Now that the model has been created the unknown pressure and flow values may be calculated by solving the model To solve the model Select the Solve icon The Solution Data screen will be displayed Select the Other Settings tab Enter 14 73 Psi 1 02 Bar for Base Pressure and enter 60 Fahrenheit 15 6 Celsius for Base Temperature e For this example the re
27. tinue Generally you will want to select the continue option If the Print routine is continued the report will be printed on multiple pages To better fit the report on the printed page try reducing the number of columns by using the Set Columns routine to specify which columns to display and print When the Set Columns icon is selected the Columns screen will be displayed The checked column names represent the columns that are currently displayed Uncheck some of the columns by clicking in the associated check box Use a proportional font like Arial Narrow use a font size of 9 points or smaller and set the printer orientation to Landscape SET What To Do Next These last few steps really demonstrate the most powerful use of GASWorksS the ability to study the affect of system modifications before they are implemented By analysis of these effects using the model changes which might adversely affect the system may be identified before they become a real problem Furthermore solutions to counter or fix the results of a negative change can be easily tested in the model avoiding installation of incorrectly sized facilities in the field There are several pre built example models distributed with the software Refer to the Help Guide located in the Help menu list for descriptions and instructions for viewing the various example models These pre built examples include applications using regulators valves fittings compressors an
28. tions to create edit solve and report your own example model In this example a model will be developed for a simple piping system representing a light industrial park using generic loads Once the model is built and solved a new connection and demand will be added to the system The new load will exceed the capacity of the system Changes will be made to the system to allow the addition of the load During the course of the example you will learn how to create a new model using various coordinate entry methods solve a model display graphic results color code based on result values edit pipe and node data tap an existing pipe and use the report features Note i GASWorkS has an automatic save feature which can be turned on or off depending on the User s preference As initially installed the option is turned off To change this preference option select the Settings menu item from the Preferences submenu list of the File menu list Creating A New Model e If a model is already open close it now using the Close menu item from the File menu list The first step in creating a model is to open a new set of model files To open a new model select the New menu item from the File menu list In the Filename data field input an appropriate name for the new file For example type MyDemo into the data field When an appropriate name has been entered press the Enter key or select the Continue command button to
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