I have not used dynamic analysis with delamination, but I do not believe you will have a problem utilizing "cohesive zone"which is defined in "materials". In my opinion the material of concrete in dynamic analysis is more difficult to be defined. I guess you are using damage plasticity...

Thanks Konstantinos

i want to do delamination in composite beam using ABAQUS such that after simulation the delaminated surfaces should not penetrate each other. basically i want to avoid penetration of surfaces in that regiion. Your suggestion would be appriciated.

Hi Satish

I have one paper described the self-contact method.

You can see my proposed method for the impenetration constraint

Thank you Nilanjan and Mourad i will try these optiions...