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Bulk modulus in *MAT_GENERAL_VISCOELASTIC

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 anae
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(@anae)
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Joined: 9 years ago

Dear All,

In *MAT_GENERAL_VISCOELASTIC, volumetric and deviatoric terms are separated. In my work i am performing a volumetric relaxation only i have only data about shear moduli and i dont have the Elastic bulk modulus of my test material.

Shall i set it with zero in my simulation given that it is set in the first card of the material?

or i calculate it as

K = 2G(1+v)/3(1-2v)

K: Bulk Modulus

G: G_infinity First term

v: Poissons ratio

Thanks alot 🙂

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