avasyukov/gcm-3d — pull request #35 by mediev (2014-05-06 15:42:55+00:00)
Title: Prandtl-Rauss plasticity model implementation

Plasticity haven't worked correctly yet. According GSL, plastic matrixes have complex eigenvalues/eigenvectors. Analytical decomposition may help with the problem. As for numerical decomposition, the appered problem show not the first time, not the last time.