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  1. sixuan chen

    VUMAT for J2plasticity, rate-dependent johnson-cook hardening can't converge

    Hi everyone, I'm a master student learning Abaqus VUMAT coding and I'm writing VUMAT for material with J2 plasticity and rate-dependent johnson-cook hardening as my final project. Currently, if I exclude the rate-dependent term in johnson-cook hardening then everything works perfectly in single...

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