Abaqus Uvarm　子程序
程序说明：适用于复合材料三维实体单元的UVARM子程序。仅包含损伤起始*
c　　 判断，不包含渐进损伤。本程序适用于abaqus/standard求解器。　　　　*
c　　 损伤起始判据采用的是三维Chang-Chang判据。(Abaqus Uvarm
Program descr iption: UVARM subroutine for 3D solid elements of composite materials. Include damage initiation only
C judgment does not contain progressive damage. This procedure is applicable to the abaqus/standard solver.
The C damage criterion is based on the three-dimensional Chang-Chang criterion.)