ENH: turbulenceFields: enable custom prefix for output fields

src/functionObjects/field/turbulenceFields/turbulenceFields.C

@@ -94,7 +94,7 @@ void Foam::functionObjects::turbulenceFields::initialise()
 {
     for (const word& f : fieldSet_)
     {
-        const word scopedName(modelName_ + ':' + f);
+        const word scopedName(prefix_ + f);
 
         if (obr_.found(scopedName))
         {
@@ -141,6 +141,7 @@ Foam::functionObjects::turbulenceFields::turbulenceFields
 :
     fvMeshFunctionObject(name, runTime, dict),
     initialised_(false),
+    prefix_(dict.getOrDefault<word>("prefix", "turbulenceProperties:")),
     fieldSet_()
 {
     read(dict);
@@ -153,6 +154,8 @@ bool Foam::functionObjects::turbulenceFields::read(const dictionary& dict)
 {
     if (fvMeshFunctionObject::read(dict))
     {
+        dict.readIfPresent("prefix", prefix_);
+
         if (dict.found("field"))
         {
             fieldSet_.insert(dict.get<word>("field"));
@@ -168,7 +171,7 @@ bool Foam::functionObjects::turbulenceFields::read(const dictionary& dict)
             Info<< "storing fields:" << nl;
             for (const word& f : fieldSet_)
             {
-                Info<< "    " << modelName_ << ':' << f << nl;
+                Info<< "    " << prefix_ << f << nl;
             }
             Info<< endl;
         }
@@ -348,7 +351,7 @@ bool Foam::functionObjects::turbulenceFields::write()
 {
     for (const word& f : fieldSet_)
     {
-        const word scopedName(modelName_ + ':' + f);
+        const word scopedName(prefix_ + f);
 
         writeObject(scopedName);
     }

src/functionObjects/field/turbulenceFields/turbulenceFields.H

@@ -35,13 +35,6 @@ Description
     output during calculations, and stores/writes them on the mesh database
     for further manipulation.
 
-    Fields are stored as copies of the original, with the prefix
-    "turbulenceModel:", e.g.:
-
-    \verbatim
-      turbulenceModel:R
-    \endverbatim
-
     Operands:
     \table
       Operand           | Type             | Location
@@ -79,6 +72,9 @@ Usage
             // Option-2
             field       R;
 
+        // Optional entries (runtime modifiable)
+        prefix          <word>;
+
         // Inherited entries
         ...
     }
@@ -91,6 +87,7 @@ Usage
       libs         | Library name: fieldFunctionObjects    | word | yes  | -
       fields       | Names of fields to store (see below)  | wordList | yes | -
       field        | Name of a field to store (see below)  | word | yes  | -
+      prefix  | Name of output-field prefix | word | no | turbulenceProperties:
     \endtable
 
     where \c fields can include:
@@ -213,6 +210,9 @@ protected:
         //- Flag to track initialisation
         bool initialised_;
 
+        //- Name of output-field prefix
+        word prefix_;
+
         //- Fields to load
         wordHashSet fieldSet_;
 

src/functionObjects/field/turbulenceFields/turbulenceFieldsTemplates.C

@@ -39,7 +39,7 @@ void Foam::functionObjects::turbulenceFields::processField
 {
     typedef GeometricField<Type, fvPatchField, volMesh> FieldType;
 
-    const word scopedName(modelName_ + ':' + fieldName);
+    const word scopedName(prefix_ + fieldName);
 
     FieldType* fldPtr = obr_.getObjectPtr<FieldType>(scopedName);