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Momiji

Error#3086 in optistruct

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Hello,

 

I want to get a mnf file in HM13.0. But there is an error as following:

 

 *** ERROR # 3806 ***
  Eigenvalue calculation is used in CMS analysis, but there is no mass
  associated with the whole model, which prevents the eigenvalue analysis.

 

Could anyone please tell me what i should do to avoid this error?

 

Thanks a lot.

 

Momiji

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Hi Momiji,

 

Can you check whether density is furnished in Material card(s)?

 

Mass calculation will be zero if no density is available in material card and mass is required for dynamic analysis.

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