Learning Forum

[Heidi.Feigenbaum]

I am wondering if I can input a strain energy density for a hyperelastic material.  I see that I can put in experimental data using a response function.  But in this case, I want to use the strain energy density function that other researchers found, not stress-strain data.  I know that I could define a USERMAT, but since its hyperelastic (no plastic deformation), I am wondering if there is a simple way to just enter the strain energy density function without needing to define a USERMAT. 

[Sampat Kumar]

Hi 

It seems you've posted a duplicate question on the forum. I'll close this one to avoid confusion. Please continue the discussion using the following link.
https://innovationspace.ansys.com/forum/forums/topic/hyperelastic-materials-input-the-strain-energy-density-function-3/
Hyperelastic materials – input the strain energy density function (ansys.com)

Best Regards,
Sampat