ABAQUS UMAT 线弹性模型，是二次开发最基本的例子，可供大家参考。-abaqus umat linear elastic model

算例为一个双刃端口二维板，采用相场断裂计算模型计算，即该UMAT子程序(As an example, a two-dimensional plate with double edge ports is calculated by using the phase field fracture calculation model, that is, the UMAT subroutine)