Sampat Kumar
Ansys Employee

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