optistruct
Altair Forum User
Altair Employee
I m getting this error while solving
*** ERROR # 24 ***
Eigenvalue SUBCASES or acceleration loads exist,
and the total mass of the model is zero or negative.
Please check the material data, the mass defined on element/property.
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Answers
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Hi Ramesh,
check the material data, looks like you didn't provide any density for the material you are using.
Provide density data in material cards and run analysis.
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