ASME B31.3 Piping Code Calculation Issues in AutoPIPE


Notes: 

1. 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.

2. ASME B31. App S: S301, S302, and S303 examples are available in File> Example> Models for review - documents.

Comments, Questions, and Answers

  1. Allowable calculation
  2. Support loads dues to GR(1) and Gr(2) are different in AutoPIPE model using ASME B31.3, why?
  3. Why is the computed ASME B31.3 allowable displacement stress range different in my AutoPIPE Model?
  4. All the SIFs calculated automatically by AutoPIPE are in accordance with the manual calculation except for the bends. Why?
  5. Can ASME B31.3 in AutoPIPE V8i 09.06.00.15 perform a fatigue analysis on a piping system due to both thermal and pressure?
  6. ASME B31.3-2010 Occ Allowable is incorrect in AutoPIPE V8i 09.04.xx.xx, why?
  7. Why are AutoPIPE's code stresses results so different in a model analyzed per ASME B31.3 - 2010 compared to ASME B31.3 - 2012?
  8. How are the ASME B31.3 longitudinal pressure stress calculated?
  9. Does AutoPIPE check branch connection reinforcement area per ASME B31.3, para. 304.3.3?
  10. What to enter for the 'Cold Allowable, Min Yield, and Ultimate'. when using ASME B31.3 to model FRP piping?
  11. Why isn't the Use Appendix P (B31.3) option available for selection in B31.3 edition 2014 of AutoPIPE?
  12. How to calculate ASME B31.3 -2010 Occasional stress (Sus+E1)?
  13. Does AutoPIPE have a setting to switch between using ASME B31.3 eq. 3a or eq. 3b?
  14. How is the Ec/Eh ratio applied for ASME B31.1 but not for B31.3?
  15. Does AutoPIPE perform calculations per ASME B31.3 chapter IX and appendix K
  16. Difference of Force and Moment in tee section between B31.3 and B31J
  17. Adding a ASME B31E combination into an ASME B31.3 analysis
  18. Understand difference in calculated stresses between 2018 and 2020
  19. Why stresses are not varying in both Von-Mises & Tresca theory in ASME B31.3?
  20. How to calculate the Hoop stress for ASME B31.3-2020?

See Also

Piping Code Calculations

Bentley AutoPIPE