From 9a1eadd35a836812fef21a738153b76c33c74363 Mon Sep 17 00:00:00 2001
From: Will Bainbridge <http://cfd.direct>
Date: Wed, 23 Nov 2022 15:16:50 +0000
Subject: [PATCH] tutorials: ballValve: Simplified specification of walls
 surface

---
 .../ballValve/system/controlDict              |  4 ++-
 .../ballValve/system/wallsSurface             | 31 -------------------
 2 files changed, 3 insertions(+), 32 deletions(-)
 delete mode 100644 tutorials/modules/compressibleVoF/ballValve/system/wallsSurface

diff --git a/tutorials/modules/compressibleVoF/ballValve/system/controlDict b/tutorials/modules/compressibleVoF/ballValve/system/controlDict
index e5bb630d3a..784cc40dd0 100644
--- a/tutorials/modules/compressibleVoF/ballValve/system/controlDict
+++ b/tutorials/modules/compressibleVoF/ballValve/system/controlDict
@@ -61,13 +61,15 @@ functions
         interpolate=no,
         fields=(alpha.water p_rgh p T U k epsilon)
     )
+
     #includeFunc isoSurface
     (
         isoField=alpha.water,
         isoValue=0.5,
         writeEmpty=yes
     )
-    #includeFunc wallsSurface
+
+    #includeFunc patchSurface(patch=".*(Walls|NonCouple)")
 }
 
 
diff --git a/tutorials/modules/compressibleVoF/ballValve/system/wallsSurface b/tutorials/modules/compressibleVoF/ballValve/system/wallsSurface
deleted file mode 100644
index 3b8600cfef..0000000000
--- a/tutorials/modules/compressibleVoF/ballValve/system/wallsSurface
+++ /dev/null
@@ -1,31 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-  =========                 |
-  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
-   \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Version:  dev
-     \\/     M anipulation  |
-\*---------------------------------------------------------------------------*/
-
-type            surfaces;
-libs            ("libsampling.so");
-
-writeControl    writeTime;
-
-surfaceFormat   vtk;
-
-interpolationScheme cell;
-interpolate false;
-
-fields      ();
-
-surfaces
-(
-    walls
-    {
-        type        patch;
-        interpolate $interpolate;
-        patches     (pipeWalls pipeNonCouple ballWalls ballNonCouple);
-    }
-);
-
-// ************************************************************************* //