• Is there any way to confirm and modify the Tee flexibility factors calculated by AutoPIPE?

    I wanted to study how the difference in the B31J flexibility factors with use of the B31J SIFs impact the overall stress calculated vs just using B31.1 or other SIFs. However, it is unclear to me how the flexibility factor is taken into account for tee…
  • How to Account for Rotational Moment in Pipe Threading

    How can you account for movements within pipe-to-fitting thread engagement? Movements in the threading can occur axially and rotationally at varying load applications. Autopipe does not seem to have an input for fittings or connections that accounts…
  • 17. Typical questions related to a bend flexibility calculations and use in AutoPIPE

    Applies To Product(s): AutoPIPE Version(s): ALL; Area: Date Logged & Current Version Aug. 2021 12.06.00.48 Problem: Various questions related to flexibility factor Solution: Question: What does it mean…
  • Autopipe Pipe stress: Nozzle/Vessel interface : Nozzle flexibility “ USER” method & Anchor Stiffness

    1 a).We have modeled using nozzle flexibility option with the "user" input in the flexibility method @ Nozzle/ vessel interface using the stiffness values from the Equipment Vendor. Equipment direction is “Z”. Nozzle direction is “Z”. Vendor has provided…
  • AutoPIPE Known issue - Defect 1048471

    Applies To Product: AutoPIPE First Affected Version: 11.03 Found in Version: 12.00.00.14 Fixed and Released in Version: 12.02.00.14 Area: All Severity: Critical Backlog…
  • Anchor flexibility

    Hello, Can you please advise the formula to result anchor flexibilities from local coordinate to global coordinate? Several AutoPIPE users in my office but no of us has the animation runs properly after the computer system upgraded to Windows Vista…
  • 01. Is there any way to confirm and modify the Bend and Tee flexibility factors calculated by AutoPIPE?

    Applies To Product(s): AutoPIPE Version(s): ALL; Environment: N/A Area: Report Original Author: Bentley Technical Support Group Date Logged & Current Version April. 2017 11.00.00.22 Problem: …
  • 06. Added information about USER SIF values in AutoPIPE:

    Applies To Product(s): AutoPIPE Version(s): All Environment: N/A Area: Calculation Original Author: Bentley Technical Support Group Date Logged & Current Version Jan…
  • 05. Can you provide more details on the Nozzle dialog fields, Length and Thickness in AutoPIPE?

    Applies To Product(s): AutoPIPE, Version(s): All Area: Modeling Original Author: Bentley Technical Support Group Dec 2014, AutoPIPE V8i 09.06.01.10 Problem: Can you provide more details on…
  • Q. How are the bend ASME NB flexibility calculation (k) performed by AutoPIPE?

    Applies To Product(s): AutoPIPE Version(s): ALL; Area: Calculations Original Author: Bentley Technical Support Group Date Logged & Current Version Oct. 2016 10.01.00.09 Problem: For the bend flexibility…
  • Q. For calculation of ASME NB-3683.7 Stress Indices does Autopipe use the Bend / Elbow properties (O/D and t) or the preceding pipe properties (O/D and t)?

    Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i, CONNECT; Area: Calculations Original Author: Bentley Technical Support Group Date Logged & Current Version Aug. 2016 10.01.00.09 Problem: For…
  • Extracting (or separating) steel model out of AutoPIPE V8i Select back to STAAD

    Hello all, I have a unique situation and wonder if the software has a solution. We have a linked AutoPIPE V8i Select / STAAD PRO file. Sometime after the STAAD steel model was integrated in to the AutoPIPE model, the original STAAD model was lost. Is…
  • Nozzle modeling: W41-27 error

    I am trying to model a 20" STD connection to a tank of 40 m diameter at 1 m above ground level, filled to 13 m high. Naturally I use the API 650 flexibility method (I assume it's using the Appendix P calculations, meant for tanks above 36 m in diameter…