Hashin damage initiation criteria cannot be used with element 385 instance part-1-1Elastic,type=lamina can only be used with planestresselements在網上也找看子程序。運行的時候也加入了子程序,但還是跑出來報錯。
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