Reno Genest
Ansys Employee

Hello,

You don't need a command snippet (at least with WB 2022R2). To use different stress-strain curves for different strain rates  with *MAT_024 (*MAT_PIECEWISE_LINEAR_PLASTICITY), you can go to engineering data and do the following (see image below). With this method, no need to specify Cowper and Symonds parameters:

 

 

Reno.