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Ansys Learning Forum › Forums › Discuss Simulation › LS Dyna › Forming, strain rate › Reply To: Forming, strain rate

December 27, 2024 at 10:11 pm
Armin
Ansys Employee

No problem at all.
Yes, for the Barlat model you can input C and P which are the coefficients of Cowper-Symond's equation to scale the reference hardening (stress-strain) curve at different strain rates. It is sometimes easier to directly input the stress-strain curves (from physical experiments, for example), but if you have the C and P coefficients available, you can use the Cowper-Symond's method as well.