STYLE: improve robustness of wall interactions code (issue #737)

tutorials/lagrangian/simpleReactingParcelFoam/verticalChannel/Allrun-parallel

@@ -0,0 +1,18 @@
+#!/bin/sh
+cd ${0%/*} || exit 1                        # Run from this directory
+. $WM_PROJECT_DIR/bin/tools/RunFunctions    # Tutorial run functions
+
+restore0Dir
+
+runApplication blockMesh
+
+runApplication potentialFoam
+
+# Remove incompatible (volumetric) flux field
+\rm -f 0/phi 2>/dev/null
+
+runApplication decomposePar
+
+runParallel $(getApplication)
+
+#------------------------------------------------------------------------------

tutorials/lagrangian/simpleReactingParcelFoam/verticalChannel/system/decomposeParDict

@@ -0,0 +1,30 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  plus                                  |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      decomposeParDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+numberOfSubdomains 4;
+
+method          scotch;
+
+coeffs
+{
+    n           (2 2 1);
+}
+
+distributed     no;
+
+roots           ( );
+
+// ************************************************************************* //