Thank you for pointing that out. I have tried to add the multilinear isotropic hardening curve into the material model and saw the expected capacity curve shape in the result. However, I am using a concrete model for now, because I have some difficulties defining the masonry:
1. Masonry has different stress-strain relationship for compression and shear, how should I include that in my material property? Or would we assume that shear is more important so we only include shear?
2. After yield, the capacity of masonry drops as shown below, and it seems Ansys does not allow such behaviour. Is there anyway to include it in the material model?
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