Minimum allowable effective strain rate in rigid-plasticity
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von
Mises yield criterion and its associated flow rule
Minimum
allowable effective strain rate
When
the minimum allowable effective strain rate is quite greater than a proper
value, the solution can be more easily obtained. However, some smoothed
solution, for example, numerical plastic deformation in especially long bar
extrusion can be achieved.
Contrarily, when it is quite less than a proper value, the distinct difference between elastic region and plastic region can be achieved at the expanse of solution convergence and computational efficiency.
