68.4. Material Properties

To show that large elastic and plastic deformation can be used to simulate hydrostatic extrusion, a hyperelastic-plastic billet material is used.

For simplicity, the material is modeled using Neo-Hookean hyperelasticity and bilinear isotropic (BISO) plasticity:

TB,HYPER,1,,,NEO 
TBDATA,1,30,1e-5
TB,PLASTIC,1,,,BISO
TBDATA,1,5,15
Material Properties
BilletContact
Neo-HookeanBISO

Coefficient of Friction

µ= 0.1

µ1 = 30

K1 = 1e-5

σ0 = 5

Ep = 15