Convert Time History to Nastran format

Here is a Matlab script that converts a time history to a format which can be input to Femap or some other preprocesser for Nastran analysis. time_history_nastran.m

with supporting function: datafix.m

It can be used for force, pressure, acceleration or other amplitude types.

The script writes the Nastran data to an external ASCII text file, which would typically have a *.nas or other Nastran-friendly extension per the user’s choice.

– Tom Irvine

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