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 about exporting an AutoPIPE Batch NTL file from AutoPIPE Item #1: AutoPIPE: save model as *.NTL & open NTL What are the concerns with saving an AutoPIPE model as an AutoPIPE Batch (*.NTL) file and then opening that *.NTL file in AutoPIPE? TR Number: none Product: AutoPIPE Version: all Area: General Problem ID#: 79405 Answer: The process of saving an AutoPIPE model (*.DAT) file to an AutoPIPE Batch (*.NTL) file, and then opening the *.NTL file in AutoPIPE to create a new *.DAT file is referred to by us as "round tripping a model" Information is saved to the AutoPIPE model *.DAT file in a database format with very specific settings and arrangement of data. The AutoPIPE BATCH file (*.NTL) is data written out from the database into a specific formatted text file. When the NTL file is opened in AutoPIPE, the model is created based on the NTL file settings. Because of translating data from DAT to NTL back to DAT, some data is updated with current library information, not exported from the DAT to the NTL file correctly, or other unknown issues. This is why it is VERY VERY IMPORTANT to follow this procedure: 1. Open original AutoPIPE model DAT file (Test.DAT) 2. Run an analysis. 3. Select Results> Output report> ensure all sub reports are checked ON,(except “Sort Stresses” should be turned OFF), save Test.OUT. 4. Select File> Save As > AutoPIPE Batch (TEST-1.BAT) 5. Select File> Open> AutoPIPE batch (*.NTL)> select file (ex.Test-1.BAT) 6. READ and understand any reports that is automatically displayed (ex. CHK, MSG, etc..) 7. Select Results> Output report> ensure all sub reports are checked ON,(except “Sort Stresses” should be turned OFF), save Test-1.OUT. 8. Use an application (i.e. Ultra Compare, Beyond Compare (free on internet)) to compare both Test.OUT and Test-1.OUT to CLEARLY see the differences. 9. IN MOST CASES, the new DAT file will need to be updated to match the original DAT file. Again, it is very important to perform this process of file comparison and to thoroughly review the new DAT file to be sure of model settings. Item #2: When AutoPIPE exports an AutoPIPE Batch (NTL) file the following is displayed: Bentley AutoPIPE Application has stopped working Windows is checking for a solution to the problem... then the following is displayed: Bentley AutoPIPE Application has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. [Close program] button Reasons this occured: 1. The model contains an invalid value (zero) for pointer to buried pipe options Solution #1 A. Change piping code from B31.3 to B31.1 because buried pipe option is not available in B31.3 B. Open Buried Pipe Options dialog (Tools> Model Options > Buried Pipe Result Options) and Press Ok so that buried pipe options pointer will be updated 2. The analysis set has a fluid density factor that is blank. Solution #1 A. Open the analysis set, Load> Analysis set. B. Confirm that all Fluid Density Factors are not blank but have a valid value. 3. The soil name is changes at a bend's Near node point. Solution: Soil property name should be the same around a bend or changes name only at the elbow's Far node point . 4. Model has Valve with "Actuator Auto" turned off. Solution: for troubleshooting purpose set Valve with "Actuator Auto" turned ON . 5. Program may terminate abnormally if invalid pipe found on NTL roundtrip Solution: Logged under CAE-TR-10662, to be added to newer version of the program (Corrected Version: 9.6 and higher). Program calculates bend far point coordinates based on bend point to the succeeding point. On NTL import, program checks if the bend point and succeeding point offset difference is almost equal to zero then it deletes the succeeding point. Similar method is followed for bend point and preceding point to get the bend near point coordinates.On deletion of point, it also deletes responding guid. But guids were not created yet for imported NTL. Therefore program crashes. Item #3, The online documentation from SelectSeries 4 v.09.05.00.21, for MSRS record shows the Batch Input MSRS command record layout appears to be wrong? Answer: The correct format of the card should be updated to following. Updates to first row: SAM, SUPPGP, MCMB. MCB was completely missing in the data table. The fix should appear in AutoPIPE V8i 09.06.01.xx and higher. 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!
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