#1511 Fix Valgrind issue with non linear models
We got an issue in CI for the tests related to hyperelastic and RivlinCube models in tag v20.10. As this tag was due for quite a long time, I let it pass but it clearly needs fixing.
We got an issue in CI for the tests related to hyperelastic and RivlinCube models in tag v20.10. As this tag was due for quite a long time, I let it pass but it clearly needs fixing.