# Merging Nodes import SMESH_mechanic, SMESH mesh = SMESH_mechanic.mesh smesh = SMESH_mechanic.smesh # criterion of coincidence Tolerance = 4.0 # find close nodes of triangle elements only triangleFilter = smesh.GetFilter( SMESH.FACE, SMESH.FT_ElemGeomType,'=', SMESH.Geom_TRIANGLE ) GroupsOfNodesOfTriangles = mesh.FindCoincidentNodesOnPart([triangleFilter],Tolerance) # prevent nodes located on geom edges from removal during merge: # create a group including all nodes on edges allSegs = mesh.MakeGroup( "all segments", SMESH.EDGE, SMESH.FT_ElemGeomType,'=', SMESH.Geom_EDGE ) mesh.MergeNodes(GroupsOfNodesOfTriangles, NodesToKeep=allSegs) # find close nodes in the whole mesh GroupsOfNodes = mesh.FindCoincidentNodes(Tolerance) mesh.MergeNodes(GroupsOfNodes, NodesToKeep=allSegs)