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Non linear Modal Freq response Analysis for Visco plastic ?

Altair Forum User

Hello group.

what are the options to use Non linear Modal Frequency Analysis for Anisotropic Visco Elastic Plastic in Optistruct?

Regards

Pratik Dhuri

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Rahul Rajan_21763

Hi,

We request you to see Radioss material library. At present Optistruct not have such material model to carry out Nonlinear modal frequency response analysis.
See Optistruct & Radioss user guide for various material model.

Regards
Rahul R

Altair Forum User

Hi Pratik,

It may not be possible to do a modal frequency analysis with non linear material. with either OptiStruct or RADIOSS.

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