Dear Ray/Mandeep,
When i model a heat exchanger in PVElite & analyze it, Problems/Failures Summary does not show failures related to tubesheet analysis like shell stress exceeds, tube stress exceeds, tubesheet stress exceeds etc..
As tubesheet is an important component of heat exchanger, it is good if we report related failures in Problems/Failures Summary.
I request you to check this & if require include a pop up (add it to Problems/Failures Summary) related to such errors.
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Purav Desai