The material properties of the rebar and concrete are set to be completely elasto-plastic. However, the yield stress is exceeded at the integration point of concrete.

The coefficient of friction is 0.3.

Why does the stress of concrete exceed the yield stress of material properties in the tensile analysis of rebar and concrete in Abaqus?

How can I prevent the yield stress from being exceeded?

Thank you in advance.

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Best Answer


I think it relates to your stress-strain curve. You see, when you want to define the Elastic/perfectly-plastic curve, you have to consider some rules. Refer to the link below. There it is explained completely.

Also, you can check the link below. This one is a complete package, and there you can find examples related to your problem and others that could help you with your future problems.

Best wishes.

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