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Piecewise Linear Material (Mat Law 36)

Altair Forum User

Hi there,

When defining the stress-strain curve for the material (/MAT36), should it be used the true curve or the engineering one?

Thanks

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Radioss

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Rahul Rajan_21763

Hi,

In RADIOSS, the output are always are in terms of true values ( True stress and True plastic strain)

Equivalent plastic strain= (Total Strain - Elastic Strain)

Regards

Rahul R

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