Learning Forum

[kevin.wang]

Hello Experts,

Could you please suggest which constitutional model can capture the Polycarbonate strain at a 200s^-1 strain rate during a drop down analysis?

I upload a tensile curve, nominal strain vs Nominal stress, but i've no idea how to include this curve into my model.

[Ram Gopisetti]

you need to use Multilinear isotropic Hardening law and use the point after the yield. But you need to change the curve to true type and start the table with 0, yield stress.
Cheers, Ram

[kevin.wang]

hi Ram Thanks, i've tried your solution, but it not work. I thinks the potential problem is that ansys cannot get soltuion when one stress value generate two strain value.

[andrew serina]

polycarbonate sheet supplier

 

Hello fellow forum members,

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[andrew serina]

polycarbonate sheet supplier

 

Hello fellow polycarbonate enthusiasts!

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