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NASTRAN Versions Modal Results Comparisons

Thread starter blhs
Start date Sep 13, 2004

Status: Not open for further replies.

Sep 13, 2004

blhs

Mechanical

Does anyone have knowledge of the MSC for Windows version 2004 settings that will produce modal results matching earlier NASTRAN results, such as from version 70. I have accounted for what I know as the new default settings (snorm, k6rot) and forced others to be equivalent, but I have as yet been unable to get matching modal results for the same (even painfully simple) model. This is a significant problem in a field where models are baselined and results “canonized” as the standard for community reference.