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  • How do I generate the stiffnex, mass and damping matrix put of my model?

    How do I generate the stiffnex, mass and damping matrix put of my model?

  • Nastran can´t identify the line break.

    I writed an Input File. The last section is to include other models: $ INCLUDE 'E36_KONZEPT_S01_190222_000_Gerippe.nas' INCLUDE 'E36_KONZEPT_S02_190222_000_Dachsystem.nas' INCLUDE 'E36_KONZEPT_S04_190222_000_Frontsystem.nas'…

  • How to understand status of ongoing contact convergence?

    With a long-running linear contact analysis, how can I interpret the f06 output to get a feel for the progress of convergence?

  • Is there a built-in way to calculate radiation exchange factors (REFs) in NASTRAN and export them in a SINDA-compatible format?

    I am using MSC-SINDA to perform thermal analyses but I do not have a radiation analysis code. I want to be able to develop surface models in MSC-NASTRAN, calculate REFs, and output them into SINDA. Has anyone done this before?
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