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Wiki Page: Modeling Approaches, Tips, Technique for Bend Piping Components in AutoPIPE

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Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: N/A Area: Modeling Subarea: Original Author: Bentley Technical Support Group Attention: Please see the following AutoPIPE help section: Help Contents Contents Tab Modeling Approaches Modeling Approaches This help has been provided in order to give users ideas for modeling typical piping arrangements. The steps shown in each example should not be taken as the only method available to create models. In addition, the intent of the examples is to present ways to create adequate models of specific piping components for analytically purposes.           Anchors        Bends           Cuts              Flexible Joints           Frames         Hangers           Nozzles        Pipes           Reducers      Rotating Equipment           Supports       Tees           Valves           Vessels Comments, Questions, and Answer: Q1. Modeling an Elbow with Tapered weld joint for Nuclear NB analysis Answer: Model elbow as described above, at each end of the elbow where the elbow is welded to the pipe, Insert Xtra Data joint Type and User SIF there are multiple "Joint Type"  available      As-Welded Butt Weld      Flush Butt Weld      As-Welded Butt Weld NB 4250 Transition      Flush Butt Weld NB 4250 Transition      As-Welded Butt Weld 1:3 Transition      Flush Butt Weld 1:3 Transition      Socket/Fillet Weld Select the type of weld joint the best fits your requirements based on code description. In AutoPIPE, press toolbar icon "Show Joint Type", located on left toolbar near the bottom. Use this feature to clearly see where joint types have been applied, and review the "Joint Type, SIF" tab of the input grid for settings. Q2.  Modeling 3D, 5D or Larger Sweep Elbows  Answer : AutoPIPE's Bend Point dialog screen has a Bend radius field which defaults to Long radius with pull down option for short radius. You can either select short radius or, for a larger sweep elbow, click once on the Bend radius field and type the actual radius (units are in bottom right hand corner of screen). Q3. Inserting Valves, Reducers Or Other Components After Elbow Or After Tee Answer: A bend component is made up of 4 node points: A. Near Point  - automatically generated B. Tagent Interface Point (TIP)  - user generated C. Far Point  - automatically generated D. Mid Point (if enabled)  -   user specified between Near and Far Point. AutoPIPE does not allow users to insert the next node point or component between the Bend's Near and Far points. If done, the bend cannot be drawn and a error message ( E732-3: Not enough clearance to fit bend xxx )  will be mentioned in the Tools Model Consistency check report. Solution, the user must first enter a pipe run directly after an elbow whose length is just beyond the automatically generated Near OR Far points before adding the next piping component. This means that there will be 2 points, a bend point and a run point, very close to one another. The should not be exactly in the same location, or another warning will be displayed about a zero length run ( W726-6:  Near zero length element at point XXX ) The same technique is used for inserting valves and other components directly after a tee, AutoPIPE requires that the user first input a run of pipe after the tee before inserting the component to model the leg / branch weld points of the tee.   AutoPPE will adjust the elbow's stiffness if it detects a flange or valve component within a defined distance from an elbow, see the next item below for more details: "Q4. When a flanged elbow is modeled in AutoPIPE, does it affect the stiffness of the elbow in the analysis?  If so, how?" Q4. When a flanged or valve is modeled after an elbow in AutoPIPE, does it affect the stiffness of the elbow in the analysis?  If so, how? Answer:   Yes the stiffness of an elbow is affected if the program detects a flange or valve component within a certain distance after and elbow.  In AutoPIPE, p lease see the following help section for details on this distance:  Help Contents Contents Tab Command Reference Tools & Utility Commands Model Options  Model Edit Options  Distance L/D from flange/valve to bend.  T he effect of this setting on the flexibility factor can be seen in the Tools Model Input Listing Elbow Report.  AutoPIPE's official training class covers this modeling approach and model option setting.   Q4. I have a question regarding 1000m radius bend in Autopipe. I would like to add points on the bend. What is the easiest way as I have to insert points at 6m intervals. Answer: There is no command in AutoPIPE to split/insert a bend with multiple points.  However, please see the following options available based on the version of AutoPIPE being used. AutoPIPE V8i 09.05.xx.xx and Lower: Option #1: Create a miter bend with as many cuts as desired. Please see the following AutoPIPE help section for details: Help Contents Contents Tab Modeling Approaches Modeling Approaches Bend Miter Bends Model 2: 3 Cuts - Widely Spaced. Using Excel, calculate all Option #2: Create the bend in AutoCAD and manually transfer each node point (DX, DY, DZ) coordinates to AutoPIPE as new bends are added. AutoPIPE V8i 09.06.xx.xx and higher: Option #1: All options available in AutoPIPE 9.5 and lower Option #2: Create the bend in AutoCAD and import file using the new Import AutoCAD file procedure. Option #3: (Preferred method) Create a ring main using the new Ring Main Wizard, after the ring main has been created, cut/copy/paste/move it to the correct location in the model    Q5 How does AutoPIPE calculate the weight of a typical pipe fittings (i.e. Tee, elbow, reducer, etc..)? Answer: AutoPIPE fittings are made up of equivalent center-line length of straight pipe with assigned pipe properties. Change the pipe properties used to construct a fitting in order to account for different fitting weights. Reducer are the only exception, (from online help): Over the length of the reducer, AutoPIPE assumes an average of the connecting pipes for the outside diameter (Do), wall thickness (t). This affects the reducer weight, pipe contents weight, and section properties. Material properties (E, a, and allowable stresses) from the pipe at the near end of the reducer are extended to the far end of the reducer. Q6. How to model a Pulled Bend and a does the program consider the thinning wall on the outer radius of a pulled bend? Answer: A pulled bend is a bend that is formed by a machine wrapping the pipe around a shoe horn form (i.e. like a tubing bender bending tubing)   Using AutoPIPE Nuclear version, with piping codes ASME NB, NC, or ND selected, users can set Bend Type = Pulled. For other version of AutoPIPE, Standard or Plus (Advanced), using non-nuclear piping codes, to model a  pulled bend, select Bend Type = "elbow", SIF and flexibility factor will automatically be calculated but suggest that bourdon pressure effect be turned on (Tools Model Options Edit  "Include Bourdon rotational effect" check ON). One side effect of bending the work-piece is the wall thickness changes; the wall along the inner radius of the tube becomes thicker and the outer wall (extrafit) becomes thinner. AutoPIPE does not consider the different wall thickness. The wall thickness is a uniform value specified on the pipe properties dialog screen.   Q7. My piping system has a section of bent piping (not mitered). The radius of the bend is approximately 6ft. The angle of the bend is about 120 degrees. How would I model this bend in AutoPIPE? Answer : See the following options: Option #1: see the following AutoPIPE help section:  Help Contents Contents Tab Modeling Approaches Modeling Approaches Bend Miter Bends Model 2: 3 Cuts - Widely Spaced, use the math formulas to layout the piping and insert the bends points s needed Option #2: Construct the pipe layout to locate the intersect point of both piping runs connected to the bend (image below, BR02). After the straight pipe is layed out use Modify Convert Point to.. Bend command, specify 6' diameter bend radius and AutoPIPE will automatically insert the bend correctly. Option #3: In AutoPIPE 09.06.xx.xx and higher, use the ring main wizard, the ring is made CCW from the point, so create as a new segment and attach it after the ring has been made. OR, as the same segment careful to locate the ring center offset see following: Results:   Q8. Can the software analyze stress in pipelines where the pipe turns that are not standard 45 or 90 degree turns? Answer : Yes, there are typically 2 types of bends in AutoPIPE: a. Normal bend (any sized fillet radius between two intersecting pipe lengths). b. Mitered bends (both closed and Wide) Note : 1. AutoPIPE assumes the bend is constructed without any kinks and has a uniform wall thickness per the PipeID specified.  2. Any bend angle the is modeled out side of the applied Piping code will need to have a user calculated SIF applied to the bend points as needed. 3. The image on the left is acceptable bend but the bend on the right, although can be constructed, is not good modeling practice. Recommend creating a mitered bend.   Q9.  How to model a socket elbow, or other Socket welded fittings (i.e. Tee, valves, Sockolet, etc..)?  Answer :     Apply manufacture recommended SIF values or refer to a specific piping code for recommended SIF values to be applied (note: the intent on many ASME codes  to use conservatively an SIF value = 2.1) ASME Codes state the following regarding socket welds: B31.1 use 1.3 for socket welds with no undercut, and 2.1 for all others. B31.3 states "2.1 Max or 2.1 T/Cx but not less than 1.3. Cx is the fillet weld leg length" B31.8 states "2.1 Max or 2.1 T/Cx but not less than 1.3. " To apply this SIF to all bends and Tees perform the following: Press Select Bends to highlight all bends in the model, Press Select Tees to highlight all tee in the model Press Insert Xtra data Joint Type and User SIF  select "Joint End Type" =  "Socket or Fillet Weld " / "Socket or Fillet Weld (no undercut), OR, "Joint End Type" = User Manually enter the "Inplane SIF" = (manufacture / code recommended value, ex. 2.1) Manually enter the "Outplane SIF" = (manufacture / code recommended value, ex. 2.1) "Override all other SIFs at this point" = unchecked (i.e maximum SIF used if automatic SIF 2.1), "Flexibility Factor" = 1.0 (no flexibility) Press OK button to apply SIF values to all highlight components. To account for the extra weight of a 2000# to 9000# fitting: Create a new pipe property with the correct wall thickness Press Select Bends to highlight all bends in the model, Press Select Tees to highlight all tee in the model, Press Modify "Pipe Properties over range", select the new pipe property ID, and press OK button to assign the new pipe ID to the selected components.   Q10. When defining an elbow, only specifying end points Elbows have fittings How to specify user stress indices to apply to only one end?  Answer :   With a nuclear piping code selected (i.e.  ASME NB, NC, or ND, etc..), select the bend near or far point then select Insert Xtra Data Joint Type and User SIF select the proper joint type or select User to enter all the indices values. press OK button when completed.  Press the SIF icon to show where SIF values are located:   Q11. After inserting Xtra Data Joint Type & User SIF change to User Defined, and set the values for both in / out of plane SIF = 1.23 with Override all other SIF at this point checked on, the Bend data listing shows the code calculated value instead of my user SIF value at node point A01 F, why?  Answer: This is by design, Bend data listing will show the code calculated SIF values. However, if a different SIF value was applied to a bend, the letter "u" is added directly after the value. As indicated at the bottom of the report, u = User sif present at the point, check user-SIF data listing.   In addition, reviewing the code compliance report shows: See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

Wiki Page: Modeling Approaches, Tips, Technique for Tee Piping Components in AutoPIPE

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Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: N/A Area: Modeling Subarea: Original Author: Bentley Technical Support Group Attention: Please see the following AutoPIPE help section: Help Contents Contents Tab Modeling Approaches Modeling Approaches This help has been provided in order to give users ideas for modeling typical piping arrangements. The steps shown in each example should not be taken as the only method available to create models. In addition, the intent of the examples is to present ways to create adequate models of specific piping components for analytical purposes.           Anchors        Bends           Cuts              Flexible Joints           Frames         Hangers           Nozzles        Pipes           Reducers      Rotating Equipment           Supports       Tees           Valves           Vessels Questions and Answers: Item #1: How does AutoPIPE calculate the weight of a typical pipe fittings (i.e. Tee, elbow, reducer, etc..)? Answer: AutoPIPE fittings are made up of equivalent center-line length of straight pipe with assigned pipe properties. Change the pipe properties used to construct a fitting in order to account for different fitting weights. Reducer are the only exception, (from online help): Over the length of the reducer, AutoPIPE assumes an average of the connecting pipes for the outside diameter (Do), wall thickness (t). This affects the reducer weight, pipe contents weight, and section properties. Material properties (E, a, and allowable stresses) from the pipe at the near end of the reducer are extended to the far end of the reducer.     Item #2: How to model branch fitting (i.e. tee, weldolet, sockolet,etc..) on strait pipe using one of 3 methods:  Single Point Method, 2-Point Method, or 3-Point Method. Answer:   See the attached file for details . Item #3: How to model a branch (elbolet, weldolet, sockolet, etc...) fitting on an elbow?  Answer: Please see the following AutoPIPE help section: Help Contents Contents Tab Modeling Approaches Modeling Approaches Bends Base Supported Elbow  Model 5: Modeling a "dummy leg" as a pipe. Referring to the example and related node numbers, model exactly as shown in this example with the added steps. Step #10, at node B01 (weld location of fitting to the pipe) Insert Xtra Data Joint Type and user SIF, specify the correct SIF. Step #11, select Node B01, Insert Run B03, length = length of fitting (location where branch piping is welded to the fitting). Step #12, select Node B03, Insert Xtra Data Joint Type and user SIF, specify the correct SIF. Step #13, optional if you believe the fitting is rigid, click on the pipe between B01 and B03 to select this pipe (highlighted Red) then select Insert Rigid Options Over Range with Include Weight = yes, Include Thermal Expansion = Yes (shown as purple). Item #4: How to model a flanged cross pipe fitting? Answer: Creating a flanged cross in AutoPIPE is indeed possible. A. Insert a run equal in length to the distance from the face of the cross to it's center-line. B. At that center-line go to Modify Convert Point To/Tee C. Go to Modify Tee and a dialog box will appear.  In that dialog box, using the drop down arrows, change "Tee Component" from Tee to Cross.  Also change "Type of Tee" from Welding to Other. D. New boxes will open for In Plane and Out Of Plane SIF.  These will have to be input manually as they are generally specific to the cross manufacturer. E. Select OK F. Now continue to code in the balance of the cross (header first and then the 2 branches) with the lengths equal to the distance from the center-line of the cross to the faces of the header and branches. G. Insert Flange (and specify required flange data) at each of the 4 faces of the cross. Please note that in your model consistency check you will see a warning similar to the following: * * * W A R N I N G - MODEL * * *      W726-10: User SIF required at junction at point A02 Note: Even if you have input the SIFs for the cross, this warning will continue to appear.  It is not an error and will not prevent the program from running.  It is there to remind clients that a user SIF value is required for that point.   See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

Wiki Page: Reports - AutoPIPE

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Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: N/A Area: reports Subarea: Original Author: Bentley Technical Support Group Comments, Questions, and Answers on AutoPIPE output reports: Item #1. Results Interpretation Be sure to review AutoPIPE's online help: Help Contents Contents Tab Reference Information  Results Interpretation     This appendix explains how to interpret AutoPIPE's output report results. The coordinate systems used for the results presentation are particularly important, and are listed first. The output sign conventions for the different result types are then described.      - Coordinate Systems      - Total vs. Incremental Loading      - Pipe Displacements      - Pipe Forces and Moments: Global Option      - Anchor Forces      - Support Forces: Hangers and V-stops      - Support Deformations: Hangers and V-stops without Gaps      - V-stops with Gaps and Friction      - Hangers and V-Stops with Imposed Displacement      - Two-Point Hangers and V-Stops      - Straight Pipe Forces and Moments: Local Option      - Support Forces for Guides and Line Stops without Gaps      - Support Forces: Guides & Line Stops with Gaps & Friction      - Two-Point Guides and Line Stops      - Curved Pipe Forces and Moments: Local Option      - Support Forces for Skewed Supports      - Support Forces for Tie/Link Restraints      - Beam Member Forces      - Dynamic Support Forces   Item #2. Analysis Sub-reports See the following hyperlinks for issue on the respective Analysis Output sub report: Command: Analyze model Results Output Report:      - Displacement      - Support      - Restraint      - Forces & Moments      - Code Compliance      - Stress Summary      - Frequency      - Mode shapes      - Equipment      - Soil      - Bend Angular Distortion      - Stress Indices      - Tee Plastic Strain      - Beam forces      - General stress      - Preliminary Stress      - Accelerations      - Flange Summary      - Model listing      - Analysis summary      - Steam Relief      - Reference Loads      - Fatigue      - Result summary Item #3 Component Data Listing: See the following hyperlink for issues on the respective Component Data listing (aka Model Input Listing) report:Command: Tools Model Input listing.      - Extended Component (Point in v6.1)      - Coordinates (Component in v6.1)      - Pipe Properties      - Material Properties      - Material Allowables      - Temperature & Pressure      - Beam      - Forces & Displacements      - Thermal Anchor Movements      - Seismic Anchor Movements      - Center of Gravity      - Earthquake Scale Factors      - Design Temp and Press      - Soil Properties      - Load Summary      - Support      - Bend      - Tee      - Valve      - Flange      - User SIF      - Reducer      - Rigid Pipe      - Reference Points      - Gross Discontinuity Stress      - Segments Data  Item #4: Can AutoPIPE print the Output reports to excel or .csv? Answer : We apologize for the inconvenience, however AutoPIPE cannot print its reports directly to MS word or MS Excel. Reports are currently written to the following files: *.OUT,  *.HGR, *.RPT. These file can be opened by any text editor (i.e. NotePad, Ms WORD, ect..) . Also, AutoPIPE can export both the Input gids and Results grids to a database file (*.MDB), for manipulation into customized reports. This enhancement has been logged under CAE-CR-345: Add option to generate reports as EXCEL & WORD files.  Items #5:   AutoPIPE Results Grids or Output Reports are found to be Zero (0.00) or Blank  Item #6: What is the meaning of + and -  (+/-) Node points in AutoPIPE results? Answer: Please see the following AutoPIPE help section: Help Contents Contents Tab Reference Information Results Interpretation  Pipe Forces and Moments: Global Option   Item #7: Can we select a number of specific node points, pipe supports, etc. to report in the AutoPIPE result print out? Answer: Using any of the various method of selection, select the node points, supports, bends, etc. that are to be printed in the output report. After the selection process has been completed, perform a Model analysis as needed, and then selected Tools Results command.  On the Batch report dialog screen, enable the first option " Limit results to highlighted points ", from the online help: Use this option to limit the reported results to only points which are currently selected and thus highlighted on the screen. Note: see the online help for complete details on this command. Continue checking any additional feature on the dialog as necessary, and press the OK button. The output will display only those selected points in the respective sub-reports selected.    See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

Wiki Page: Model input Listing - Bend sub-report in AutoPIPE

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Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: N/A Area: Reports Subarea: Original Author: Bentley Technical Support Group   Comments, Questions, and Answers related to Model input listing: Bend sub-report: Item #1: is there any way to see and modify the flexibility factors calculated by AutoPIPE for B31.3 code bends or tees? Answer: Yes and No. Open the model in AutoPIPE, select Tools Model Input listing check all sub reports ON and press OK button to create the report. Scroll down to the Bend sub report. Noticed that the flexibility values calculated by the program are displayed.   Open the model input grids, select the Bend tab to change the bend flexibility values as needed: Bentley apologizes for the inconvenience, but at this time (AutoPIPE V8i 09.06.xx.xx and lower) does not have the ability to view or modify the flexibility factor for a Tee type connection. According to some piping codes, B31.1 and B31.3, APPENDIX D, most tee configurations the flexibility factor = 1.0 (please review the code).  Workaround, apply  a user defined SIF at the TEE that takes into consideration a user defined flexibility factor for a Tee.    See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

Wiki Page: E512-65: the model cannot be opened

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Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: N/A Area: Import Subarea: Original Author: Bentley Technical Support Group Problem The following is displayed while importing a file or opening the program: E512-65: the model cannot be opened Solution: This error is typically caused by one of the 2 following reasons: Program cannot deal with ASCII character set model paths only and does not support double byte unicode characters or Kanji characters in model path. In some earlier versions of AutoPIPE the program allows the model to be opened if the model path has some non ASCII character, but crashes as soon as Analysis command is executed. AutoPIPE 9.2.0 onwards block opening of such a model and display the error mentioned above. Older versions of AutoPIPE tended to open the model but were very unstable and could crash on consistency check, analysis, or any report generation. There is a chance that because of instability of older version of the program (because of multi byte character in model name), the model could become corrupted as well. Avoidance: only use ASCII characters in the file-path name. An issue with permissions on a file server can also cause problems. Avoidance: confirm that the AutoPIPE user has read / write privileges to folders outside of C:\Program Files, ex. %temp% folder, C:\Bentley folder and sub-folders, etc..  In addition, users should have admin / power user permission rights to their own computer. If errors persist, try opening a model up to three times until it loads with no errors.   See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

Wiki Page: Static Analysis Enhancements for AutoPIPE

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Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: Enhancements Area: Subarea: Original Author: Bentley Technical Support Group The following Static Analysis enhancements have been logged for inclusion into a future version of AutoPIPE: Note: if an enhancement has not already been added to the program, log an enhancement request with the respective CAE / TFS number. The more requests per an enhancement, the quicker the CAE development team will add that feature to the program. CAE-CR-9970 Allow user to specify OCC case as an initial state for another OCC case Description: On the load sequencing dialog screen, allow user to specify an Occasional load case (i.e. Wind, Earth, or User) as an initial state for another Occasional case. Development Project :   .TBD TFS-E82441: Add feature to Import / Export Static analysis sets from model Description: Add feature to Import / Export Static analysis sets from a model Development Project:   .TBD     See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

Wiki Page: Static Analysis Sets in AutoPIPE

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Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: N/A Area: Analysis Subarea: Original Author: Bentley Technical Support Group   The Load Static Analysis Sets command allows the user to define multiple static analyses (analysis sets) and provide references to these results from separate analyses during post-processing. Analyze Static or  will analyze all selected static analysis sets. The Static  option in the Analyze menu enables the user to perform all the selected static analysis sets considering any scenarios of gravity and thermal expansion loads, plus wind loads and/or static earthquake loads if they have been defined. From inside AutoPIPE with a model opened, select Load Static Analysis sets... after the screen appears press the " HELP " button for details on all the key features available on the dialog. To define loadcases to be added to a specific analysis set, highlight a row by left clicking the mouse on the first square in the row, the row should be highlighted black with white lettering, now left click the " Modify " button. In a moment the"Static Analysis Load Cases" dialog should appear. AutoPIPE only activates load case input fields for currently defined load cases. Again press the " HELP " button for details of features available on this dialog screen. "Static Analysis Sets" and "Static Analysis Load Cases"  dialog Questions and Answers   Item #1, Question: My results does not appear to be considering weight of conents in piping for the analysis? Answer: On the "Static Analysis Load Cases" dialog screen is a check box for "Contents", confirm this box is enabled (checked ON) for all analysis sets as desired. Enable this option to include the weight of the pipe contents in the analysis of the gravity (GR) load case. This will cause the program to consider the respective pipe properties settings for all the piping in the model. The calculation for weight of pipe contents is based on the individual pipe ID's:       A.  Inside diameter of a pipe       B.  Specific Gravity of Contents (based on water).       C.  Linear center line distance of a piping for a Pipe ID Each one of the 4 settings must be configured to correctly consider weight of contents in a piping systems for each Pipe ID and Analysis Set. Additional information is available to be reviewed in the Tools Model Listing Center of Gravity sub report. This option generates a section that reports weight and center of gravity coordinates for all the components in the model. The components are categorized as Valves, Flanges, Flexible Joints, Additional Weights, Pipes (includes straight runs, bends, tees and reducers), and Beams. Weight and center of gravity coordinates for Insulation, Insulation Cladding, Lining, and Contents are also reported as separate categories. Weight and center of gravity coordinates of different combinations of the categories are also reported (see online help for details on this report). Item #2, Comment: A new enhancement was added: Static / Dynamic Analysis Fluid Density Factor Item #3: Is it possible to export/store/import static analysis setting (load-case)  I am working with Autopipe series 5 version 09.06.00.15. Answer:   Bentley apologizes for the inconvenience but at this time AutoPIPE V8i 09.06.xx.xx and lower does nto have the ability to import/export Static analysis settings between models.  Workaround: Open a model that has the correct Static analysis settings, save the file as a different name to protect the original model, using File Insert AutoPIPE Model (DAT) command to import the model in, and update the Pressure / Temp / PipeID  information as needed.  L ogged enhancement:  This issue has been logged under  TFS-E82441: Add feature to Import / Export Static analysis sets from m odel.     See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

Forum Post: Convergence , Failed to converge

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I recently developed 3 pipeline models buried in same soil conditions. a 32", 16" and 6". The 6" pipeline failed to converge upon analysis. Could this be because the weight of the pipeline cannot sustain the bearing capacity of the soil?

Wiki Page: Export AutoPIPE Model (DAT) to I-model file format

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Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: N/A Area: Export Subarea: Original Author: Bentley Technical Support Group Problem: How to export an AutoPIPE model into an I-model file format? Answer:  There is no file format that can be directly export from AutoPIPE  to I-model. However there is a workaround: instructions for AutoPIPE V8i 09.05.xx.xx and higher: 1. With the model opened in AutoPIPE, select File Export DGN model (DGN).  2. When the dialog screen appears, save the file name to a folder location, check all applicable boxes, press OK button to continue 3. With Bentley I-model composer installed on your system, follow the programs instructions to open a DGN file and convert it to a I-model. See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

Wiki Page: Import and Export - AutoPIPE

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Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: N/A Area: Import / Export Subarea: Original Author: Bentley Technical Support Group Comments, Questions, and Answers on Importing / Exporting with AutoPIPE   Item #1, Question:  1.  What file formats can AutoPIPE Import/Export? 2. Is there any information on  AutoPIPE Translators ? Item #3, Import Issues: AutoPIPE CAD To Stress Integration ADLPipe Translator CAESAR (cii) or Areva PDMS (cii) PCF Translator STRAIT Translator AutoCAD (DWG) / (DXF ) AutoPlant / OpenPLANT (PXF ) Export from ProStructures to AutoPIPE Import AutoPIPE (DAT) model Insert Model From STAAD Using PipeLink Can AutoPIPE V8i Import / Export Bentley HAMMER loads? Import PlantSPACE (PSDS) model into AutoPIPE Import CAEPipe or Kpipe into AutoPIPE When using Import or copy & paste technique into an existing AutoPIPE model, not all points are connected. Item #4, Export Issues: Export AutoPIPE Batch (NTL) Interface bewteen Projectwise and AutoPIPE AutoPLANT (PXF) - Geometry/Results AutoCAD (DXF) Caesar II neutral (*.cii) Isogen (*.pcf) JSpace Model (*.jsm) DGN Model (*.dgn) Export to LiCAD (*.txt) Input Database (*.mdb) Results Database (*.mdb) Nozzle Loads to AutoPIPE Nozzle Model to STAAD Using PipeLink (*.pipelink) I-model    See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

File: Bentley AutoPIPE Nozzle V8i - v08.11.07.xx (Download - Install - License)

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Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: N/A Area: Subarea: Original Author: Bentley Technical Support Group See the attached file for details to download, install, and license Bentley AutoPIPE Nozzle V8i - v08.11.07.xx  Note: if the one or more of the following should appear when starting the application it is because the License is not available in your License Management Tool (LMT). Information: Sentinel LM: Error [17]: Probably no servers are running on this subnet. Information: Sentinel LM: Error [4]: license server hostname not specified correctly, Set Environment variable LSHOST to (colon-sparated) name(s) of server(s). Bentley Copy Protection: No AutoPIPE Nozzle License could be found: Using demo version Only recourse is to upgrade to the newer version of AutoPIPE that will automatically install a newer version of AutoPIPE Nozzle that does not require a license checkout or contact Bentley License department for a specific node lock license to be imported into LMT on your computer. See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

Forum Post: RE: Pipeline lowering calculation, Either in service or instalation

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I applied imposed support displacement, to simulate sidebooms but I dont know why? AutoPIPE only takes displacements in one direction. So I used flexible anchors with displacement instead, it seems it is working now.

Wiki Page: Bentley AutoPIPE Nozzle (WinNOZL)

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Applies To Product(s): AutoPIPE Nozzle Version(s): V8i Environment: N/A Area: FAQ Subarea: Original Author: Bentley Technical Support Group Comments, Questions, and Answers about AutoPIPE Nozzle Installation License Printing Shell Tab - under construction Nozzle Tab - under construction Reinf. Pad Tab - under construction Geometry Tab - under construction Load Tab - under construction Factors Tab - under construction System Tab Importing Nozzle Loads from AutoPIPE into AutoPIPE Nozzle See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

Wiki Page: How to License AutoPIPE Nozzle

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Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: N/A Area: license Subarea: Original Author: Bentley Technical Support Group Problem: How to license AutoPIPE Nozzle Answer: AutoPIPE Nozzle 08.11.07.xx See the attached file AutoPIPE Nozzle 08.11.08.20 and higher This new version of the application supports trust licensing and no longer requires that Bentley IEG Security layer to be installed. As long as a valid license of AutoPIPE Advanced or AutoPIPE Nuclear is present in the License Management Tool License Checkout tab, AutoPIPE Nozzle will get a license. Otherwise, the program will revert to demo mode. See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

File: Recommended non-linear seismic load combinations in AutoPIPE


Wiki Page: AutoPIPE vs CAESAR load combinations

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Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: N/A Area: Subarea: Original Author: Bentley Technical Support Group Comments, Questions, and Answers Items #1: In the end both AutoPIPE and CAESAR perform the same task of providing the user with stress analysis results based on load cases applied to a gemometric model of a piping system. However, there is a funadmental difference between both applications on how load combinations are combined. The following will provide insight into AutoPIPE's appraoch vs CAESAR's: First, please read the following document installed with AutoPIPE: C:\ Bentley\ AutoPIPE V8i SELECTseries\ Load_Sequencing.pdf OR, serach your hard drive for "Load_Sequencing.pdf" As you have read in the above document, one of the major fundamental differences between AutoPIPE and CAESAR, is load sequence verses load vector superposition. This is clearly shown on the first and very last page (Summary) of this document. Refering to the last page of the document, results can differ for calculating individual load cases (ex.  E1) by using superposition (ex. [C-B]).  If you consider the following example: L1            W+P1+T1(OPE) – equivalent to AutoPIPE  GRT1P1 L2            W+P1(SUS) – equivalent to AutoPIPE GR + Max P L3            T1 (EXP) – thermal only, no mass etc, intermediate step for calculating hot sustained (L5) – no AutoPIPE equivalent L4            L1-L2(EXP) – equivalent to the AutoPIPE T1 case L5            L1-L3(SUS) – Hot sustained Note that both L1 and L2 are operating conditions, and L4 is CAESAR's superposition method of adding load vectors to achieve an individual load case T1. Whereas in AutoPIPE, T1 is an individual load case added in a load sequence to correctly calculate the operating conditions. Furthermore, understand that CAESAR needs intermediate equations like L3 to calculate equations like L5 - hot sustained. However, as you now know AutoPIPE load sequence approach does not need intermediate equations like that found in CAESAR. Thus reducing the complexity of load combinations and length of output report. In addition, what is the difference between L2 and L5, where: L2 = W+P1 L5 = L1-L3 =  (W+P1+T1) - T1  = W+P1 Appears that L2 = L5. Furthermore, what is the difference between L3 and L4, where: L3 = T1 L4 = (W+P1+T1) – (W+P1) = T1 Appears that L3 = L4. In conclusion, AutoPIPE has more advanced non-linear analysis engine with load sequencing and as a result users can expect more accurate non-linear results than from other programs. If one must compare an AutoPIPE model with CAESAR, highly recommend comparing true operating conditions (ex. L1 to GRT1P1, L2 to GR+MaxP) instead of all the individual load case (ex. L3 &  L4 to T1) as the fundamental different approach of adding vectors / load cases use by the two programs may present dissimilar results for individual load cases and respective combinations where such individual load cases are used. One final note, be sure that all of AutoPIPE's Tools Model Options General, Edit, & Results settings match CAESAR's settings.  Item #2: CAESAR CII has a ‘H’ load variable which represents the hanger pre-loads…AutoPIPE doesn’t seem to have a hanger variable…does AutoPIPE somehow automatically incorporate the hanger pre-loads? Answer: When inserting a typical variable spring in AutoPIPE the user is asked to enter 3 key values: Cold Load, Spring rate, and number of hangers. These values are considered during the analysis.  Otherwise, the user can specify that the program correctly size the spring based on load and movement of the node point on the pipe. See online help for " Hanger Selection Procedure" in AutoPIPE.  A spring hanger cold load is applied to the Gravity (GR) load case. For each combination that contains (GR) spring cold load is applied.  Item #3: CAESAR has a ‘D1’ load variable which represents the inclusion of a user-specified displacement….does AutoPIPE incorporate something similar? Answer: Yes, Insert Xtra-Data  Imposed Support Displacement, see online help for complete details on this AutoPIPE option.  As mentioned in the online help and apparent on the dialog screen, an imposed support displacement can be assigned to any number of load cases (GR, T1-T100, E1-E10, W1-W10, P1-P100, U1-U140, S1-S10) or configured to span a selection of load cases. When that load case is used in a code / non-code combination, the specified imposed support displacement will be applied accordingly.  Example, the following support displacement is applied to load case U1, and will only be applied when U1 is included in a combination.  Item #4: CAESAR has a ‘F1’ load variable which represents the inclusion of a user-specified external force…does AutoPIPE incorporate something similar? Answer: Yes, Insert Xtra-Data  Concentrated Force, see online help for complete details on this AutoPIPE option.  As mentioned in the online help and apparent on the dialog screen, an concentrated force can be assigned to any number of load cases (GR, T1-T100, E1-E10, W1-W10, P1-P100, U1-U140) or configured to span a selection of load cases. When that load case is used in a code / non-code combination, the specified concentrated force will be applied accordingly.  Example, the following concentrated force is applied to load cases U1-U4, and will only be applied when U1, U2, U3, or U4 is included in a combination.  See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!

Forum Post: RE: Expansion Joints with tie rods should have different stiffness in tension and compression

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This type of expansion joint can be easily modeled by adding a tie-link support connecting the bellow nodes. This support has gaps which can be set to allows one way action, compression or tension. Read the help information to set the gap values. One gap should be zero to restrict movement in that direction.

Forum Post: RE: Convergence , Failed to converge

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It appears unlikely since the larger size pipes would have more weight and should have the same issue.  Check soil point spacing and log file information for more clues. Disabling the nonlinear option and solving and reviewing displacement and force results may give you some clues.

Forum Post: RE: Pipeline lowering calculation, Either in service or instalation

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I think you can do such analysis by modeling the crane cables as incline supports

Forum Post: RE: sustained stress

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I believe the same equation is being used for restrained case. The only difference is that you need to set the soil stiffness to rigid to simulate fully restrained case.
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