Is it possible to print or plot the elastic strain energy density (SEND, ELASTIC) for a hyperelastic material?


At ANSYS 11.0, it is not possible to extract SEND directly for hyperelastic materials. You must extract the element strain energies (SENE) to an element table first, then extract the element volumes and then calculate SEND with SEXP.

Below is a simple APDL script for doing this.

*vget,E1,elem,,ETAB,energy
*vget,V1,elem,,ETAB,volume
SEXP,sene,ENERGY,VOLUME,1,-1,

At ANSYS 12.0, SEND will be available for hyperelastic materials directly using PLESOL or PRESOL.





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