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How to define material damping ratio relative to critical damping in RADIOSS 2021?

I carry out vibroacoustic analyzes at Radioss 2021- examining the sound transmission loss for various partitions.

How to define material damping ratio relative to critical damping in RADIOSS 2021?

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Radioss

v2021.1

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Rogerio Nakano_21179

Hi

Please refer to the documentation of /DAMP keyword

As side note, for vibroacoustic analysis you could look into OptiStruct.

I hope this is helpful

Regards

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