Explain why an ansys explicit dynamic doesnt converge with Johnson Cook failure -- 5

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I have a model in ansys explicit dynamics of a sphere 10mm in diameter hitting a plate 4mm thick in velocity of 10 KM/s. as a plasticity model is Johnson cook and equation of state Mie-Gruneisen. also as failure criterion is Johnson Cook failure. the model converge at any other failure criterion , other than Johnson Cook. explain why or what is wrong in the model?

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Mechanical Engineering

3D Modelling

Project ID: 26226020

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@michaelnyokabi

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