请教用ansys怎样得到hydrostatic stress gradient ?

youtiao

ansys怎样得出hydrostatic stress gradient？
有一篇文章里面有，但没写具体过程。
里面有这样一句话：But ANSYS　can not provide the results of the local
hydrostatic stress gradients. Therefore a difference method with ANSYS path
operation technique is used to compute the local hydrostatic stress gradients.
有人知道具体怎么做么？