Applies To Product(s): AutoPIPE Version(s): 2004, XM, V8i Environment: N/A Area: Results Subarea: Original Author: Bentley Technical Support Group Date Logged & Current Version Aug. 2015 09.06.02.06 Problem: The longitudinal stress calculated following the program documentation does not match the results provided by AutoPipe. Can you please provide hand calculations which match the AutoPipe results for a simple system (straight pipe)? How are does Autopipe calculate the longitudinal stress in the general output file when a SIF is applied. Answer: Please see the following AutoPIPE help section: Help > Contents> Contents Tab> Reference Information> Code Compliance Calculations> CAN-Z662 (2007)> Stresses Due to Sustained Loads (CSA-Z662 - 2007)> Case with Pressure Extension Cases and with Pcase in Sustained The longitudinal pressure term in the above equation highlighted in yellow is can vary from P= PD/4t, or A = AxF/area, or M = minimum of both, or set to N = 0.00. This is controlled by the following setting: Tools> Model option> Results> Long Pressure (P/A/M/N) option. Confirm that the correct form of this setting is used in the above equation . 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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