ansys网格划分求助

我现在在做挖掘机动臂分析，我刚刚学习ansys，proe导入ansys后，不能划分网格，总是出问题，怎么解决？volume 1 cannot be meshed 4 intersection found between triangle facets defined on the boundary areas try reducing the element size and remeshing知道怎么处理，那个大神能帮我一下啊。。。比较急谢谢