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  1. r77

    asme B31.3 Appendix P question (stress range)

    Hi all! There is something I can't grasp about stress range calculation according to the asme B31.3 appendix P. It says : <<The operating stress range is the range of STRESS between any two operating conditions..>>. This is a different definition than that given in 319.2.3 (b) : <<the...
  2. r77

    piping linear modal analysis and nonlinear support

    Hello forum, I'm approaching piping modal analysis and subsequent spectral recombination, and I need some help to undestand this point : modal analysis is a linear tool, so how can it be applied in the very ordinary situations where Y+ vertical supports are present (sleepers, saddles..etc)...

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