Stress in dynamic ABQUS EXPLICIT

[StefBene]

Hi,
I am doing a simulation of a composite beam. Concrete is modeled with 2 different law: in compression and tensile laws and damage with CDP, steel with a bilinear elastic plastic relationship. The problem is that I get during the analysis the principal stresses greater than the maximum stress defined in the law of the material. Can you help me?

 

[FEA way]

I think that you should start from examining this material model’s behavior using simple single element test. Such as those described in Verification Guide in Abaqus documentation.