Allow for remote_elem interior_parent() values

roystgnr · roystgnr · commit d68433fbdca6 · 2026-02-11T13:12:02.000-07:00
We can have those on a ghosted boundary element
diff --git a/src/mesh/unstructured_mesh.C b/src/mesh/unstructured_mesh.C
@@ -836,7 +836,8 @@ void UnstructuredMesh::copy_nodes_and_elements(const MeshBase & other_mesh,
           for (auto & elem_pair : ip_map)
             {
               Elem * ip = const_cast<Elem *>(elem_pair.first->interior_parent());
-              libmesh_assert(ip == other_interior_mesh->elem_ptr(ip->id()));
+              libmesh_assert(ip == remote_elem ||
+                             ip == other_interior_mesh->elem_ptr(ip->id()));
               elem_pair.second->set_interior_parent(ip);
             }
         else

Original file line number	Diff line number	Diff line change
`@@ -836,7 +836,8 @@ void UnstructuredMesh::copy_nodes_and_elements(const MeshBase & other_mesh,`
`836`	`836`	`for (auto & elem_pair : ip_map)`
`837`	`837`	`{`
`838`	`838`	`Elem * ip = const_cast<Elem *>(elem_pair.first->interior_parent());`
`839`		`- libmesh_assert(ip == other_interior_mesh->elem_ptr(ip->id()));`
	`839`	`+ libmesh_assert(ip == remote_elem \|\|`
	`840`	`+ ip == other_interior_mesh->elem_ptr(ip->id()));`
`840`	`841`	`elem_pair.second->set_interior_parent(ip);`
`841`	`842`	`}`
`842`	`843`	`else`