material_law Struct Reference

Detailed Description

Specifies the material law to use.

Public Types
enum	law { ,   hooke,   saint_venant_kirchhoff,   neo_hooke_ln,   neo_hooke_quad,   mixed_neo_hooke_ln,   muscle }

Member Enumeration Documentation

enum law

Enumerator
hooke	sigma = 2*mu*eps + p*I
saint_venant_kirchhoff	sigma = 2*mu*eps + lambda*tr(eps)*I
neo_hooke_ln	S = 2*mu*E + lambda*tr(E)*I.
neo_hooke_quad	S = lambda*ln(J)*C^-1 + mu*(I-C^-1)
mixed_neo_hooke_ln	S = lambda/2*(J^2-1)C^-1 + mu*(I-C^-1)
muscle	S = p*C^-1 + mu*(I-C^-1)