RecurDyn/Mesher supports to merge the nodes of elements.
Figure 1 Flex Merge icon of the Mesher group in the Mesher tab.
Figure 2 Flex Merge dialog box
•Target Topology: Select the basis topology entity to merge.
•Source Topology: The nodes of the selected topology entities are merged to the nodes of the target topology.
•Calc.: Nodes of the selected entity and the target entity are calculated if they are within the distance tolerance.
•OK: Nodes are merged each other, then the elements that belong to the entities share the merged nodes.