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MSC Nastran Community Forum Is there a way to output modal results only for modes with an MFP>x% ?

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Is there a way to output modal results only for modes with an MFP>x% ?

wvillers over 7 years ago

Is there a way to limit the op2 output to only modes that matter based on Mass Participation Factor?

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0 Sanjay Patel over 7 years ago

Hi,

There is a way to remove modes which would have certain modal effective mass fraction. See the MODESELECT case control command in the MSC Nastran Quick Reference Guide . It has option to specify which modes to include in the dynamic solution via Mode selection option based on modal effective mass fraction (MEFFMFRA) criteria.

Thanks,

Sanjay.
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0 Sanjay Patel over 7 years ago

Hi,

There is a way to remove modes which would have certain modal effective mass fraction. See the MODESELECT case control command in the MSC Nastran Quick Reference Guide . It has option to specify which modes to include in the dynamic solution via Mode selection option based on modal effective mass fraction (MEFFMFRA) criteria.

Thanks,

Sanjay.
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