lamia
2009-02-08, 10:13
Hello Jorgen,
Could you please show me how to code shear components in UMAT to define the stiffness matrix for a Neo-hookean model,
the full expression for this matrix Cijkl= f( bbar) is given by the abaqus help. But i didn't found the same expression for the shear components , for example C(1,6), C(4,6).
Thanks for your replay,
Lamia
Could you please show me how to code shear components in UMAT to define the stiffness matrix for a Neo-hookean model,
the full expression for this matrix Cijkl= f( bbar) is given by the abaqus help. But i didn't found the same expression for the shear components , for example C(1,6), C(4,6).
Thanks for your replay,
Lamia