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Expression stress-strain curve

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Brambo

Brambo

Mechanical
Joined
Feb 27, 2015
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1
Location
BE
Hello,

I am working with NX 7.5 and use a material that hasn't got a lineair stress-strain relation for it's elastic region. So I need to add an expression for the stress-strain curve in the material properties. Has anybody got an idea how you refer to the strain when you fill in the expression?

Thanks a lot!

regards,
Bram
 
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