Hyper elasticity with a non-penetration condition

A 2D FEM solver based on an energy minimisation formulated in C^1 deformation including a new non-penetration term.

A complementary software to the article

Stefan Krömer, Jan Valdman: Global injectivity in second-gradient Nonlinear Elasticity and its approximation with penalty terms, Mathematics and Mechanics of Solids (submitted)

Please cite the paper if you find the code useful. A link to the paper can be found at the author web page located at http://sites.google.com/site/janvaldman/publications

Available scripts:

"start_evaluate".

"start_optimize"