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Normal modes of a cavity sorrounded by flexible panels

Experimenter
Experimenter

Is it possible to obtain normal modes of a cavity by considering the effect of flexibility of surrounding structure in NX Nastran (we have flexible boundary condition)? For example the cavity of a vehicle surrounded by different panels...

2 REPLIES

Re: Normal modes of a cavity sorrounded by flexible panels

Siemens Phenom Siemens Phenom
Siemens Phenom

Yes. See the articles on coupling in the Advanced Dynamic Analysis User's Guide and the Acoustics User’s Guide

Re: Normal modes of a cavity sorrounded by flexible panels

Experimenter
Experimenter

Is it possible to give me a clear address? i didn't find any proper answer to my question by searching those documents. i want to run a sol 103 on a cavity by cosidering flexible boundary. thanks