ENH: Do not add empty patches to the patch list

2025-11-28 03:28:01 +00:00 · 2013-02-01 11:43:13 +00:00
parent a153b8ef17
commit 2bfe3cefd0
1 changed files with 17 additions and 10 deletions
--- a/applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C
+++ b/applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C
@ -1027,17 +1027,24 @@ void Foam::conformalVoronoiMesh::writeMesh
        }
        else
        {
-            patches[nValidPatches] = polyPatch::New
-            (
-                patchTypes[p],
-                patchNames[p],
-                patchSizes[p],
-                patchStarts[p],
-                nValidPatches,
-                mesh.boundaryMesh()
-            ).ptr();
+            // Check that the patch is not empty on every processor
+            label totalPatchSize = patchSizes[p];
+            reduce(totalPatchSize, sumOp<label>());

-            nValidPatches++;
+            if (totalPatchSize > 0)
+            {
+                patches[nValidPatches] = polyPatch::New
+                (
+                    patchTypes[p],
+                    patchNames[p],
+                    patchSizes[p],
+                    patchStarts[p],
+                    nValidPatches,
+                    mesh.boundaryMesh()
+                ).ptr();
+
+                nValidPatches++;
+            }
        }
    }