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Mesh convergence for Non linear

Creator
Creator

Hi everyone,

 

I have a model with notch and analyse by Non linear (femap V10.2), but I have the problem with mesh convergence to determinate stress at the root notch.

 

The Y-direction stress (principle load in this direction) is not convergent when the mesh is small, but it is convergent when the mesh is large. I attached the stress result for 3 node at the root notch.

 

Do you have some advices for this ?

 

Thank you.