salutsun's blog

Hello, 

I'm coding a user materils for cohesive elemnt in dyna, But I met some problems, hope anyone could give some guidance or help . 

I'm trying to code my own user material subroutine for cohesive element in ls-dyna.  The cohesive element formulation is already predefined and exists  in *SECTION card ( elform=19). 

Hello,I'm a student in engineering.  I wannto do simulation of the process of a cracked plate which is subjected to  tensile stress at the each end of the plate and perpendicular to the crack plane. with ansys .( crack type I )