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introduce an additional component to the PK2 stress tensor obtained with a hyperelastic material (Mooney-Rivlin-type)

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Hi everybody,

I would like to introduce an additional term to the PK2 stress tensor obtained with the hyperelastic material model. In other words, I would like to add a new constitutive equation such as "PK2_new = PK2_from_hyperelasticModel + PK2_newContribution". I use the structural mechanics module (solid) with the PDE module (coefficient form).
Anyone can help me about this?

Thanks in advance, cheers,

Arnaud

0 Replies Last Post Jul 20, 2011, 7:24 a.m. EDT
COMSOL Moderator

Hello Arnaud Collet

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