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Material Definition from Stress-Strain Curves

Material Definition from Stress-Strain Curves

Material Definition from Stress-Strain Curves

(OP)
Hello all,

I have loading-unloading stress vs strain curves for golf ball cores at three different strain rates. I also have Hysteresis(kJ/m3) vs Strain rate curves.

Can somebody give me a step by step guide as to how I can use these to input a hyperelastic and viscoelastic OR hyperelastic with hyteresis material model? Which one is best/simplest? Do I need anything else?

I have read alot about the BB model, which seems popular. How do I get/use this?

Any tips are greatly appreciated,

Regards

Jamie Rowe

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