Minimum allowable effective strain rate in rigid-plasticity > Verification and Accuracy

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Verification and Accuracy

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.

 

 


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