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Status Future consideration
Categories Analysis
Created by Phil Senior
Created on Aug 23, 2023

Non-nuclear Fatigue Analysis

I am planning to include non-nuclear fatigue in a future release. We already support ASME III NB method for nuclear and want to provide a general approach to be used with other design codes.

I am looking for interest in the idea and any suggestions as to the possible approaches. Please add a vote if interested and comment if appropriate.

  • Hubert Velten
    Nov 22, 2023

    Since ASME B31.3 is (probably) the most common piping code out there, has Bentley considered including B31.3 Appendix W? That would seem like the most logic first step. It includes methods from ASME VIII Div 2 annex 5-B (See W302.1)

    An alternative would be to base it on e.g. B31.3 K304.8, which refers to ASME VIII Div 3, but that might be too conservative.

  • Guest
    Sep 8, 2023


    A common used is simple fatigue analysis based on ASME Section VIII Division 2 fatigue curves, ( same as used in Caesar). It should be able to calcuate different cyclic load variations of pressure and temperature separated and combined. Designed for static and dynamic anlyses. The cumulative usage report is to be obtain. It should also working somehow when EN 13480 code is selected.