patchAverage: pre-packaged function object

calculates average value on a patch

etc/caseDicts/postProcessing/faceSource/patchAverage

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      patchAverage;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+patchAverage
+{
+    patch  <patchName>;
+    fields ( p );
+
+    operation average;
+    #includeEtc "caseDicts/postProcessing/faceSource/patchSource.cfg";
+}
+
+
+// ************************************************************************* //