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What to consider when using smeared cracking model in abaqus to model an RC beam?

What to consider when using smeared cracking model in abaqus to model an RC beam?

What to consider when using smeared cracking model in abaqus to model an RC beam?

(OP)
i have used damaged plasticity model in abaqus to represent concrete for RC beam modelling, i have got good deflections compared to literature.

but when using smeared cracking model for the same RC beam, i get an error message before the completion of the step "too many attempts made for this increment"

i have used a static general step in both models, it worked well when using concrete damaged plasticity but didn't when used concrete smeared cracking

any recommendations on material model or on step controls 

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