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AutoPIPE Wiki Pipe and Vessel Stress Analysis - Wiki
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    • Calculation
    • Piping Code
    • 0.00
    • 2012
    • 2014
    • 3653.7
    • allowable stress
    • Appendix P
    • ASD
    • Austentic
    • AutoPIPE
    • B31.8
    • blank
    • Corrosion
    • DNV
    • En13480
    • Extension
    • Hoop
    • ISO 14692
    • Mill Tolerance
    • Nuclear
    • Offshore
    • Prop Buck
    • Report
    • results
    • Von Mises
    • wall thickness
    • 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
    • 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
    • 03. Calculation of fa (allowable expansion stress range) for austenictic steel 1.4301 X5CrNi18-10 is significant difference between hand calculation and AutoPIPE Results, WHY?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i Area: calculations Original Author: Bentley Technical Support Group Date Logged & Current Version May 2015 09.06.02.06 Problem…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 04. En13480 hoop stress appears to incorrect per code equation in AutoPIPE

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i Area: Report Original Author: Bentley Technical Support Group Date Logged & Current Version July 2015 09.06.02.06 Problem…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 09. How is the Time Independent Design Stress, f, calculated according to EN 13480-2017 in AutoPIPE for Austenitic Steels (A > 35%)?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Date Logged & Current Version April 2020 12.03.00.17 Problem: How are is the Time Independent Design Stress, f, calculated according to EN 13480-2017 in…
      • over 2 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 08. Why are the results for Creep Rupt = 0.00, Blank, or not printed in the output report for En13480 piping code in AutoPIPE?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Calculation Date Logged & Current Version April. 2018 11.03.00.08 Problem: Why are the results for Creep Rupt = 0.00, Blank, or not printed in the output…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 07. In EN13480, is there a feature to choose a damping ratio dependent on the particular frequency in AutoPIPE?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i, CONNECT; Area: Analysis Original Author: Bentley Technical Support Group Date Logged & Current Version June. 2016 10.01.00.09 …
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 01. How to calculate B31.8 -2003 code allowable of per code equation:

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i Area: Calculation Original Author: Bentley Technical Support Group Date Logged & Current Version Jan 2015 09.06.01.10 Problem…
      • over 1 year ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 02. How to calculate the combined stress for a node point, equation used, and individual values being applied in the AutoPIPE equation?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i Area: Original Author: Bentley Technical Support Group Date Logged & Current Version Jan 2015 09.06.01.10 Problem: Exactly…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 03. ASME B31.8, the hoop stress uses the D/t ratio to decide which formula to use, thin or thick, what is AutoPIPE doing?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i Area: Original Author: Bentley Technical Support Group Date Logged & Current Version Jan 2015 09.06.01.10 Problem: The…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 07. How can I set the RESTRAINED pipe option for B31.8 2007 onshore / underground piping

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i Area: Calculation Original Author: Bentley Technical Support Group Date Logged & Current Version Jan 2015 09.06.01.10 Problem…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 05. ASME B31.8, AutoPIPE does not seem to consider the bending stresses in the pipe due to large diameter elastic bends ( 1200 m). it only reports the stresses due to pressure , temperature and gravity?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i Area: Calculation Original Author: Bentley Technical Support Group Date Logged & Current Version Jan 2015 09.06.01.10 Problem…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 04. Using ASME B31.8 2012-2016, how is the hoop stress being calculated in AutoPIPE?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i Area: Calculation Original Author: Bentley Technical Support Group Date Logged & Current Version Jan 2015 09.06.01.10 Problem…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • RCC-M Piping Code Calculation Issues in AutoPIPE

      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 DNV…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 01. Hoop Stress Allowable is 0.00 (zero) for a piping system analyzed in AutoPIPE per En 13480, why?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL Area: Results Original Author: Bentley Technical Support Group Date Logged & Current Version Mar. 2015 09.06.01.11 Problem: Hoop…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 02. SIF calculations at TEEs are all the same when analyzed per EN13480 -2012 piping code in AutoPIPE, why?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i Area: Calculation Original Author: Bentley Technical Support Group Date Logged & Current Version Mar. 2015 09.06.01.11 Problem…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 01. Why is Von Mises stress calculations different than automatically calculated ASD in AutoPIPE ?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Calculations Date Logged & Current Version April. 2018 11.03.00.08 Problem: By calculating the Von Mises stress in a separate way, the result it is different…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 02. DNV 2012 references a new definition of bending, but AutoPIPE help is different

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Calculations Date Logged & Current Version April. 2014 09.06.00.15 Problem: In the AutoPIPE on line manual (help/contents/code/DNV 2012/ASD) there are references…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 03. ASD results are lower than the hoop stress results

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Calculation Date Logged & Current Version April. 2014 09.06.00.15 Problem: AutoPIPE's (automatic) calculation of the ASD is lower than the hoop stress and…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 05. Results for DNV code combinations Collapse and Prop Buck are 0.00 or very small when using AutoPIPE

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Calculations Date Logged & Current Version April. 2014 09.06.00.15 Problem: The results for DNV code combinations Collapse and Prop Buck are 0.00 or very…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 08. Explain Load Controlled Buckling check “stress value” and "allowable value” in AutoPIPE's output report

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Report Date Logged & Current Version April. 2014 09.06.00.19 Problem: Regarding the LCC (Load Controlled condition) check according to DNV 2012 (section…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 05. How are Actual OD, Corrosion Allow, and Mill tol. used in AutoPIPE's analysis calculations?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Calculations Date Logged & Current Version Jan 2020 12.02.00.14 Problem: How are the pipe properties (ex.Actual OD, Corrosion Allow, Mill tol., etc..) used…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 06. Does AutoPIPE calculate the required pipe wall thickness?

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): ALL; Area: Calculation Date Logged & Current Version April 2019 12.00.00.14 Problem: Does AutoPIPE calculate the required pipe wall thickness? Solution: At this…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • 05. How to calculate AutoPIPE's En13480 calculation for pressure extension stress

      Mike Dattilio
      Mike Dattilio
      Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i Area: Calculation Original Author: Bentley Technical Support Group Date Logged & Current Version July 2015 09.06.02.06 Problem…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
    • ISO 14692 code calculations in AutoPIPE

      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 ISO…
      • over 3 years ago
      • AutoPIPE
      • AutoPIPE Wiki
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