Hashin damage initiation criteria cannot be used with element 385 instance part-1-1Elastic,type=lamina can only be used with planestresselements在网上也找看子程序。运行的时候也加入了子程序,但还是跑出来报错。
To simulate the full packaging process flow warpage and consider the influence of residual strain and stress at each step, the element birth and death technique is introduced to the finite element analysis