ENH: Exposed weightField to all face/cell source function object operations

src/postProcessing/functionObjects/field/fieldValues/faceSource/faceSource.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -58,9 +58,9 @@ namespace Foam
     {
         "none",
         "sum",
+        "average",
         "areaAverage",
         "areaIntegrate",
-        "weightedAverage",
         "min",
         "max",
         "CoV"
@@ -282,9 +282,8 @@ void Foam::fieldValues::faceSource::initialise(const dictionary& dict)
         << "    total area   = " << totalArea
         << nl;
 
-    if (operation_ == opWeightedAverage)
+    if (dict.readIfPresent("weightField", weightFieldName_))
     {
-        dict.lookup("weightField") >> weightFieldName_;
         Info<< "    weight field = " << weightFieldName_;
     }
 
@@ -326,7 +325,7 @@ Foam::fieldValues::faceSource::faceSource
     fieldValue(name, obr, dict, loadFromFiles),
     source_(sourceTypeNames_.read(dict.lookup("source"))),
     operation_(operationTypeNames_.read(dict.lookup("operation"))),
-    weightFieldName_("undefinedWeightedFieldName"),
+    weightFieldName_("none"),
     nFaces_(0),
     faceId_(),
     facePatchId_(),

src/postProcessing/functionObjects/field/fieldValues/faceSource/faceSource.H

@@ -40,6 +40,7 @@ Description
                                     // faceZone,patch,sampledSurface
         sourceName      f0;         // faceZone name, see below
         operation       sum;
+        weightField     alpha1;     // optional weight field
         fields
         (
             p
@@ -57,19 +58,20 @@ Description
     operation is one of:
       - none
       - sum
+      - average
       - areaAverage
       - areaIntegrate
-      - weightedAverage
       - min
       - max
       - CoV (Coefficient of variation: standard deviation/mean)
 
+
     Notes:
     - faces on empty patches get ignored
     - if the field is a volField the faceZone can only consist of boundary
-    faces.
+      faces.
     - all fields get oriented according to the faceZone (so you might e.g. see
-    negative pressure)
+      negative pressure)
     - using sampledSurfaces:
             - they do not do surface fields
             - they use cell values - they do not do any interpolation.
@@ -129,9 +131,9 @@ public:
         {
             opNone,
             opSum,
+            opAverage,
             opAreaAverage,
             opAreaIntegrate,
-            opWeightedAverage,
             opMin,
             opMax,
             opCoV
@@ -165,7 +167,7 @@ protected:
         //- Operation to apply to values
         operationType operation_;
 
-        //- Weight field name - only used for opWeightedAverage mode
+        //- Weight field name - optional
         word weightFieldName_;
 
         //- Global number of faces
@@ -213,8 +215,7 @@ protected:
         Type processValues
         (
             const Field<Type>& values,
-            const scalarField& magSf,
-            const scalarField& weightField
+            const scalarField& magSf
         ) const;
 
         //- Output file header information

src/postProcessing/functionObjects/field/fieldValues/faceSource/faceSourceTemplates.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -97,8 +97,7 @@ template<class Type>
 Type Foam::fieldValues::faceSource::processValues
 (
     const Field<Type>& values,
-    const scalarField& magSf,
-    const scalarField& weightField
+    const scalarField& magSf
 ) const
 {
     Type result = pTraits<Type>::zero;
@@ -109,6 +108,11 @@ Type Foam::fieldValues::faceSource::processValues
             result = sum(values);
             break;
         }
+        case opAverage:
+        {
+            result = sum(values)/values.size();
+            break;
+        }
         case opAreaAverage:
         {
             result = sum(values*magSf)/sum(magSf);
@@ -119,11 +123,6 @@ Type Foam::fieldValues::faceSource::processValues
             result = sum(values*magSf);
             break;
         }
-        case opWeightedAverage:
-        {
-            result = sum(values*weightField)/sum(weightField);
-            break;
-        }
         case opMin:
         {
             result = min(values);
@@ -173,9 +172,9 @@ bool Foam::fieldValues::faceSource::writeValues(const word& fieldName)
     if (ok)
     {
         Field<Type> values(getFieldValues<Type>(fieldName));
-        scalarField weightField;
+        scalarField weightField(values.size(), 1.0);
 
-        if (operation_ == opWeightedAverage)
+        if (weightFieldName_ != "none")
         {
             weightField = getFieldValues<scalar>(weightFieldName_, true);
         }
@@ -198,10 +197,13 @@ bool Foam::fieldValues::faceSource::writeValues(const word& fieldName)
         combineFields(magSf);
         combineFields(weightField);
 
+        // apply weight field
+        values *= weightField;
+
 
         if (Pstream::master())
         {
-            Type result = processValues(values, magSf, weightField);
+            Type result = processValues(values, magSf);
 
             if (valueOutput_)
             {