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同样的操作为什么会出现这种问题啊A facet that is part of a general contact surface has coincident nodes. A facet with coincident nodes cannot be part of a general contact surface. See nodes 15 and 38388 on element 38614 of instance PART-WP-1. Please check the nodal coordinates of nodes of this element. Also, please check if these nodes are slave nodes in a *TIE definition. Adjusting the slave node coordinates of improperly defined *TIE definitions may cause excessive distortions of the underlying elements resulting in collapsed facets. If the nodes are slave nodes in a *TIE definition, please check the *TIE definition for consistency, making sure that there are no common nodes between the slave and master surfaces.