************************************************************************ * * * * * THIS IS THE H Y P L A S 2.0 README FILE * * ----------------- * * * * HYPLAS is a finite element program for implicit small and large * * strain analisys of hyperelast

A UMAT Drucker subroutine to be used in Abaqus.

一个drucker prager模型的 的用户子程序，用于求解平面应变问题 abaqus UMAT and inp-drucker prager yield model for abaqus

elastic plastic drucker-prager