选择单元坐标系说是可以从i节点到j节点施加,但我看应力云图,最大位置在整体坐标系x处,施加到了整体坐标上了好像,怎么施加到单元坐标系上啊 I am applying prestress along the axis of the link180 by using inistate command. The element coordinate system says that INISTATE ...