From d148816bfe348ecc0d91021bbf04ea039c28f380 Mon Sep 17 00:00:00 2001
From: mattijs <mattijs>
Date: Thu, 6 Jun 2024 15:48:57 +0100
Subject: [PATCH] ENH: snappyHexMesh: initialise in case of 0 layer. Fixes
 #3177

---
 .../snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C
index 072e39dfeb..94365fc367 100644
--- a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C
+++ b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C
@@ -4919,9 +4919,9 @@ void Foam::snappyLayerDriver::addLayers
 
 
     // Per cell 0 or number of layers in the cell column it is part of
-    labelList cellNLayers;
+    labelList cellNLayers(mesh.nCells(), Zero);
     // Per face actual overall layer thickness
-    scalarField faceRealThickness;
+    scalarField faceRealThickness(mesh.nFaces(), Zero);
     // Per face wanted overall layer thickness
     scalarField faceWantedThickness(mesh.nFaces(), Zero);
     {