Progressive Damage Models.

Hi Friends,

                I want to implement GTN damage model in abaqus/Explicit and Standard analysis. Is there any example tutorial or avaliable material. Please forward to me. 

Regards

Vinod Kumar

avinod.mech [at] gmail.com

Can anyone know the data for the following (Johnson Cook Failure Model)

J.C. Damage Constant parameters (d1, d2, d3, d4, d5) , Transition Temperature Melting temperature and strain rate constants