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AutoPIPE Wiki Pipe and Vessel Stress Analysis - Wiki
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    • Calculation
    • 09.03.00.08
    • allowable
    • ASME
    • AutoPIPE
    • AutoPIPE Vessel
    • B31.3
    • B31.4
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    • bend
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    • Von Mises
    • 03. Where to change the values for Clamp Wb and Wba for BS En 13445 2021 using AutoPIPE Vessel?

      Mike Dattilio
      Mike Dattilio
      Answer: These values are not user input values or calculated values by the program. These values are referenced by the Allowable Bolt Load table at Room Temp or At Design Temp for the clamped flanges. One can review the referenced table in AutoPIPE…
      • 22 days ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 24. Limpet Coil Moment of Inertia calculation verification using AutoPIPE Vessel and Microstation

      Mike Dattilio
      Mike Dattilio
      Review and prove 2 different calculations for Limpet coils: Problem #1: Given the following Confirm AutoPIPE Vessel Moment of Inertia calculation and compare to Microstation AutoPIPE Vessel: Microstation Problem #2: Given the following…
      • 29 days ago
      • AutoPIPE
      • AutoPIPE Wiki
    • F. General

      Mike Dattilio
      Mike Dattilio
      01. Why there are significantly higher values in wind loading in some particular sections of vessels despite the model no platforms / ladders or other equipment? 02. How to check for bolt load calculations for longitudinal saddle load generated during…
      • 29 days ago
      • AutoPIPE
      • AutoPIPE Wiki
    • B. As Per ASME Section VIII

      Tanaji Gaikwad
      Tanaji Gaikwad
      01. Does the calculation of a body flange according to ASME VIII, div 1, consider a rigidity criterion in an AutoPIPE Vessel model? 02. What is the theory being C-factors derivation as per UG-34 in AutoPIPE Vessel? 03. How AutoPIPE Vessel Calculate…
      • 2 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 01. Why there are significantly higher values in wind loading in some particular sections of vessels despite the model no platforms / ladders or other equipment?

      Tanaji Gaikwad
      Tanaji Gaikwad
      Applies To Product(s): AutoPIPE Vessel Version(s): ALL Area: General Date Logged & Current Version June 2023 43.01.01.011 Problem: Why there are significantly higher values in wind loading in some particular…
      • 2 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 03. The program do not finish the calculation

      Tanaji Gaikwad
      Tanaji Gaikwad
      Applies To Product(s): AutoPIPE Vessel Version(s): ALL Area: General Date Logged & Current Version June 2023 41.01.01.011 Problem: The program do not finish the calculation Solution: This could be happen…
      • 2 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 15. How are DNVGL-F101 offshore 2017 ASD calculations per GrT1P1 performed in AutoPIPE?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Stress Calculations Date Logged & Current Version April 2023 23.00.00.230 Problem: How does AutoPIPE calculate DNVGL-F101 offshore 2017 ASD (Allowable Stress…
      • 5 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 03. Why when changing the mill tolerance does the JSME code results not change when using AutoPIPE?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Allowable Date Logged & Current Version Aug.2021 12.06.00.48 Problem: Changing 'Mill Tol' value does not change the code compliance results for JSME code…
      • 7 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 047. Do the horizontal seismic actions in AutoPIPE Vessel come from the full weight in case (+), and in case (-) come from a reduced weight? (reduced = 60% of weight)

      Mike Dattilio
      Mike Dattilio
      Answer: The simple answer is - full weight is NOT 60% of weight. Referencing model from SR provided by the user: " Heater _273_OF 43-9146_RC3 ". Run the file and generate the report. Now go to the case 11. The transverse reaction total…
      • 7 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 06. Confirm calculation of Flange dia with specified tolerance and corrosion settings using AutoPIPE Vessel

      Tanaji Gaikwad
      Tanaji Gaikwad
      Example: In the flanges of this equipment, a 1 mm tolerance and 1 mm corrosion margin have been indicated, but in the calculations, the thickness "corroded dimensions" only subtracts 1 mm, for example, flange 20.04, nominal thickness 40 mm, calculation…
      • 2 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 02. How to calculate Von Mises category combinations allowable using AutoPIPE?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Date Logged & Current Version Dec 2022 12.08.03.015 Problem: How to calculate Von Mises category combinations allowable using AutoPIPE? Solution: Open…
      • 9 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • Calculations

      Tanaji Gaikwad
      Tanaji Gaikwad
      A. As Per BS EN 13445-3 B. As Per ASME Section VIII C. As Per CODAP D. PD 5500 E. AD 2000-Merkblatter F. General See Also Bentley AutoPIPE Vessel Support Solutions & FAQ's
      • 2 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 17. Help understanding the changes to the sustained and occasional stresses from ASME B31.1 2018 to 2020?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Calculations Date Logged & Current Version July 2022 12.08.01.010 Problem: Help understanding the changes to the sustained and occasional stresses from…
      • over 1 year ago
      • AutoPIPE
      • AutoPIPE Wiki
    • Q. What values to use for B31J reducer R2, L2, and Cone angle in AutoPIPE?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Modeling Date Logged & Current Version June 2022 12.08.00.063 Problem: What values to use for B31J reducer R2, L2, and Cone angle in AutoPIPE? Solution…
      • 7 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • ASME B31J Code Calculation Issues

      Mike Dattilio
      Mike Dattilio
      Note: Please see the following AutoPIPE help section: Help > Contents> Contents Tab> Reference Information> Code Compliance Calculations> select a piping code to see the calculations performed by AutoPIPE. Comments, Questions, and Answers about ASME…
      • 7 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 00. How to calculate ASME B31.3 2010 Allowables in AutoPIPE?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Calculations Date Logged & Current Version June 2022 12.08.00.063 Problem: How to calculate ASME B31.3 2010 Allowables in AutoPIPE? Solution: ASME B31…
      • over 1 year ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 03. What code equation is used for calculating Thermal Stress for buried piping per HDPE?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Calculation Date Logged & Current Version April 2022 12.07.00.346 Problem: What code equation is used for calculating Thermal Stress for buried piping per…
      • over 1 year ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 08. Does AutoPIPE calculate MAWP?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Date Logged & Current Version April 2022 12.07.00.346 Problem: Does AutoPIPE calculate MAWP (Maximum Allowable Working Pressure)? Solution: As of April…
      • over 1 year ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 22. SAM cases are not included in AutoPIPE's code combination 2Mb2+ 2Mce, only the seismic force are being evaluated, why?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Cod combinations Date Logged & Current Version Aug. 2021 12.06.00.48 Problem: SAM cases are not included in the 2Mb2+2Mce code combination. Solution:…
      • over 2 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 08. How are calculations done for the shear stress due to torsion for square or rectangular attachments in AutoPIPE Nozzle

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Nozzle Version(s): V8i Area: Report Original Author: Bentley Technical Support Group Date Logged & Current Version July 2021 08.11.08.36 Problem: …
      • over 2 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 07. Will the axial force (FX) be about the same for different lengths of straight pipes (pressure, temperature, etc. are the same) in AutoPIPE?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Piping code Date Logged & Current Version Nov. 2020 12.04.00.13 Problem: Will the axial force (FX) be about the same for different lengths of straight pipes…
      • over 2 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 01.h.02 - Detail explanation of the Code Compliance settings "Note" in the Analysis Summary section of AutoPIPE's output report

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): All Area: Report Original Author: Bentley Technical Support Group Date Logged & Current Version Feb. 2020 12.04.00.13 Problem: The following…
      • over 2 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 03. How AutoPIPE Vessel Calculate Corrosion Allowances as UG- 45 or ASME VIII div.1?

      Tanaji Gaikwad
      Tanaji Gaikwad
      Applies To Product(s): AutoPIPE Vessel Version(s): ALL Area: General FAQ Date Logged & Current Version March 2019 41.00.00.006 Problem: How AutoPIPE Vessel Calculate Corrosion Allowances as UG- 45, ASME VIII…
      • 2 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 16. How to perform calculations for test case in AutoPIPE Vessel?

      Tanaji Gaikwad
      Tanaji Gaikwad
      Applies To Product(s): AutoPIPE Vessel Version(s): ALL Area: General Date Logged & Current Version March 2019 41.00.00.006 Problem: How to perform calculations for test case in AutoPIPE Vessel? Solution…
      • 2 months ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 13. How are the RAHL values calculated? When do the sliding saddles start to move in AutoPIPE Vessel?

      Tanaji Gaikwad
      Tanaji Gaikwad
      Applies To Product(s): AutoPIPE Vessel Version(s): V8i Area: Calculations Original Author: Bentley Technical Support Group Date Logged & Current Version Aug. 2015 33.02.02.04 Problem…
      • 2 months ago
      • AutoPIPE
      • AutoPIPE Wiki
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