BUG: uniformFixedValue: do not evaluate upon reading. Fixes #1058.

src/dynamicMesh/fvMeshAdder/fvMeshAdder.C

@@ -71,7 +71,8 @@ Foam::autoPtr<Foam::mapAddedPolyMesh> Foam::fvMeshAdder::add
     fvMesh& mesh0,
     const fvMesh& mesh1,
     const faceCoupleInfo& coupleInfo,
-    const bool validBoundary
+    const bool validBoundary,
+    const bool fullyMapped
 )
 {
     mesh0.clearOut();
@@ -101,17 +102,20 @@ Foam::autoPtr<Foam::mapAddedPolyMesh> Foam::fvMeshAdder::add
 
     // Do the mapping of the stored fields
     // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-    fvMeshAdder::MapVolFields<scalar>(map, mesh0, mesh1);
+    fvMeshAdder::MapVolFields<scalar>(map, mesh0, mesh1, fullyMapped);
-    fvMeshAdder::MapVolFields<vector>(map, mesh0, mesh1);
+    fvMeshAdder::MapVolFields<vector>(map, mesh0, mesh1, fullyMapped);
-    fvMeshAdder::MapVolFields<sphericalTensor>(map, mesh0, mesh1);
+    fvMeshAdder::MapVolFields<sphericalTensor>(map, mesh0, mesh1, fullyMapped);
-    fvMeshAdder::MapVolFields<symmTensor>(map, mesh0, mesh1);
+    fvMeshAdder::MapVolFields<symmTensor>(map, mesh0, mesh1, fullyMapped);
-    fvMeshAdder::MapVolFields<tensor>(map, mesh0, mesh1);
+    fvMeshAdder::MapVolFields<tensor>(map, mesh0, mesh1, fullyMapped);
 
-    fvMeshAdder::MapSurfaceFields<scalar>(map, mesh0, mesh1);
+    fvMeshAdder::MapSurfaceFields<scalar>(map, mesh0, mesh1, fullyMapped);
-    fvMeshAdder::MapSurfaceFields<vector>(map, mesh0, mesh1);
+    fvMeshAdder::MapSurfaceFields<vector>(map, mesh0, mesh1, fullyMapped);
-    fvMeshAdder::MapSurfaceFields<sphericalTensor>(map, mesh0, mesh1);
+    fvMeshAdder::MapSurfaceFields<sphericalTensor>
-    fvMeshAdder::MapSurfaceFields<symmTensor>(map, mesh0, mesh1);
+    (
-    fvMeshAdder::MapSurfaceFields<tensor>(map, mesh0, mesh1);
+        map, mesh0, mesh1, fullyMapped
+    );
+    fvMeshAdder::MapSurfaceFields<symmTensor>(map, mesh0, mesh1, fullyMapped);
+    fvMeshAdder::MapSurfaceFields<tensor>(map, mesh0, mesh1, fullyMapped);
 
     fvMeshAdder::MapDimFields<scalar>(map, mesh0, mesh1);
     fvMeshAdder::MapDimFields<vector>(map, mesh0, mesh1);

src/dynamicMesh/fvMeshAdder/fvMeshAdder.H

@@ -89,7 +89,8 @@ private:
             const mapAddedPolyMesh& meshMap,
 
             GeometricField<Type, fvPatchField, volMesh>& fld,
-            const GeometricField<Type, fvPatchField, volMesh>& fldToAdd
+            const GeometricField<Type, fvPatchField, volMesh>& fldToAdd,
+            const bool fullyMapped
         );
 
         //- Update single surfaceField.
@@ -99,7 +100,8 @@ private:
             const mapAddedPolyMesh& meshMap,
 
             GeometricField<Type, fvsPatchField, surfaceMesh>& fld,
-            const GeometricField<Type, fvsPatchField, surfaceMesh>& fldToAdd
+            const GeometricField<Type, fvsPatchField, surfaceMesh>& fldToAdd,
+            const bool fullyMapped
         );
 
         //- Update single dimensionedField.
@@ -126,16 +128,21 @@ public:
             fvMesh& mesh0,
             const fvMesh& mesh1,
             const faceCoupleInfo& coupleInfo,
-            const bool validBoundary = true
+            const bool validBoundary = true,
+            const bool fullyMapped = false
         );
 
-        //- Map all volFields of Type
+        //- Map all volFields of Type.
+        //  Optionally override mapping detection
+        //  of unmapped values (e.g. used in fvMeshDistribute since it fixes
+        //  up mapping itself)
         template<class Type>
         static void MapVolFields
         (
             const mapAddedPolyMesh&,
             const fvMesh& mesh,
-            const fvMesh& meshToAdd
+            const fvMesh& meshToAdd,
+            const bool fullyMapped = false
         );
 
         //- Map all surfaceFields of Type
@@ -144,7 +151,8 @@ public:
         (
             const mapAddedPolyMesh&,
             const fvMesh& mesh,
-            const fvMesh& meshToAdd
+            const fvMesh& meshToAdd,
+            const bool fullyMapped = false
         );
 
         //- Map all DimensionedFields of Type

src/dynamicMesh/fvMeshAdder/fvMeshAdderTemplates.C

@@ -36,7 +36,8 @@ void Foam::fvMeshAdder::MapVolField
     const mapAddedPolyMesh& meshMap,
 
     GeometricField<Type, fvPatchField, volMesh>& fld,
-    const GeometricField<Type, fvPatchField, volMesh>& fldToAdd
+    const GeometricField<Type, fvPatchField, volMesh>& fldToAdd,
+    const bool fullyMapped
 )
 {
     const fvMesh& mesh = fld.mesh();
@@ -142,6 +143,12 @@ void Foam::fvMeshAdder::MapVolField
 
                 directFvPatchFieldMapper patchMapper(newToOld);
 
+                // Override mapping (for use in e.g. fvMeshDistribute where
+                // it sorts mapping out itself)
+                if (fullyMapped)
+                {
+                    patchMapper.hasUnmapped() = false;
+                }
 
                 // Create new patchField with same type as existing one.
                 // Note:
@@ -204,6 +211,13 @@ void Foam::fvMeshAdder::MapVolField
 
                     directFvPatchFieldMapper patchMapper(newToAdded);
 
+                    // Override mapping (for use in e.g. fvMeshDistribute where
+                    // it sorts mapping out itself)
+                    if (fullyMapped)
+                    {
+                        patchMapper.hasUnmapped() = false;
+                    }
+
                     bfld.set
                     (
                         newPatchi,
@@ -250,7 +264,8 @@ void Foam::fvMeshAdder::MapVolFields
 (
     const mapAddedPolyMesh& meshMap,
     const fvMesh& mesh,
-    const fvMesh& meshToAdd
+    const fvMesh& meshToAdd,
+    const bool fullyMapped
 )
 {
     HashTable<const GeometricField<Type, fvPatchField, volMesh>*> fields
@@ -312,7 +327,7 @@ void Foam::fvMeshAdder::MapVolFields
                 << "MapVolFields : mapping " << fld.name()
                 << " and " << fldToAdd.name() << endl;
 
-            MapVolField<Type>(meshMap, fld, fldToAdd);
+            MapVolField<Type>(meshMap, fld, fldToAdd, fullyMapped);
         }
         else
         {
@@ -331,7 +346,8 @@ void Foam::fvMeshAdder::MapSurfaceField
     const mapAddedPolyMesh& meshMap,
 
     GeometricField<Type, fvsPatchField, surfaceMesh>& fld,
-    const GeometricField<Type, fvsPatchField, surfaceMesh>& fldToAdd
+    const GeometricField<Type, fvsPatchField, surfaceMesh>& fldToAdd,
+    const bool fullyMapped
 )
 {
     const fvMesh& mesh = fld.mesh();
@@ -458,6 +474,13 @@ void Foam::fvMeshAdder::MapSurfaceField
 
                 directFvPatchFieldMapper patchMapper(newToOld);
 
+                // Override mapping (for use in e.g. fvMeshDistribute where
+                // it sorts mapping out itself)
+                if (fullyMapped)
+                {
+                    patchMapper.hasUnmapped() = false;
+                }
+
                 // Create new patchField with same type as existing one.
                 // Note:
                 // - boundaryField already in new order so access with newPatchi
@@ -519,6 +542,13 @@ void Foam::fvMeshAdder::MapSurfaceField
 
                     directFvPatchFieldMapper patchMapper(newToAdded);
 
+                    // Override mapping (for use in e.g. fvMeshDistribute where
+                    // it sorts mapping out itself)
+                    if (fullyMapped)
+                    {
+                        patchMapper.hasUnmapped() = false;
+                    }
+
                     bfld.set
                     (
                         newPatchi,
@@ -565,7 +595,8 @@ void Foam::fvMeshAdder::MapSurfaceFields
 (
     const mapAddedPolyMesh& meshMap,
     const fvMesh& mesh,
-    const fvMesh& meshToAdd
+    const fvMesh& meshToAdd,
+    const bool fullyMapped
 )
 {
     typedef GeometricField<Type, fvsPatchField, surfaceMesh> fldType;
@@ -619,7 +650,7 @@ void Foam::fvMeshAdder::MapSurfaceFields
                 << "MapSurfaceFields : mapping " << fld.name()
                 << " and " << fldToAdd.name() << endl;
 
-            MapSurfaceField<Type>(meshMap, fld, fldToAdd);
+            MapSurfaceField<Type>(meshMap, fld, fldToAdd, fullyMapped);
         }
         else
         {

src/dynamicMesh/fvMeshDistribute/fvMeshDistribute.C

@@ -2606,7 +2606,8 @@ Foam::autoPtr<Foam::mapDistributePolyMesh> Foam::fvMeshDistribute::distribute
                 mesh_,
                 domainMesh,
                 couples,
-                false           // no parallel comms
+                false,          // no parallel comms
+                true            // fake complete mapping
             );
 
             // Update mesh data: sourceFace,sourceProc for added

src/finiteVolume/fields/fvPatchFields/derived/mappedField/Sampled/Sampled.H

@@ -185,7 +185,19 @@ public:
         // Evaluation
 
             //- Return sampled value
-            virtual tmp<Field<Type>> value(const scalar) const;
+            virtual tmp<Field<Type>> value(const scalar x) const;
+
+            //- Is value constant (i.e. independent of x)
+            virtual inline bool constant() const
+            {
+                return false;
+            }
+
+            //- Is value uniform (i.e. independent of coordinate)
+            virtual inline bool uniform() const
+            {
+                return false;
+            }
 
             //- Integrate between two values
             virtual tmp<Field<Type>> integrate

src/finiteVolume/fields/fvPatchFields/derived/uniformFixedValue/uniformFixedValueFvPatchField.C

@@ -63,7 +63,17 @@ Foam::uniformFixedValueFvPatchField<Type>::uniformFixedValueFvPatchField
     fixedValueFvPatchField<Type>(p, iF, dict, false),
     uniformValue_(PatchFunction1<Type>::New(p.patch(), "uniformValue", dict))
 {
-    this->evaluate();
+    if (dict.found("value"))
+    {
+        fvPatchField<Type>::operator=
+        (
+            Field<Type>("value", dict, p.size())
+        );
+    }
+    else
+    {
+        this->evaluate();
+    }
 }
 
 
@@ -79,8 +89,16 @@ Foam::uniformFixedValueFvPatchField<Type>::uniformFixedValueFvPatchField
     fixedValueFvPatchField<Type>(p, iF),   // Don't map
     uniformValue_(ptf.uniformValue_.clone(p.patch()))
 {
-    // Evaluate since value not mapped
+    if (mapper.direct() && !mapper.hasUnmapped())
-    this->evaluate();
+    {
+        // Use mapping instead of re-evaluation
+        this->map(ptf, mapper);
+    }
+    else
+    {
+        // Evaluate since value not mapped
+        this->evaluate();
+    }
 }
 
 
@@ -104,13 +122,7 @@ Foam::uniformFixedValueFvPatchField<Type>::uniformFixedValueFvPatchField
 :
     fixedValueFvPatchField<Type>(ptf, iF),
     uniformValue_(ptf.uniformValue_.clone(this->patch().patch()))
-{
+{}
-    // Evaluate the profile if defined
-    if (uniformValue_.valid())
-    {
-        this->evaluate();
-    }
-}
 
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
@@ -123,6 +135,12 @@ void Foam::uniformFixedValueFvPatchField<Type>::autoMap
 {
     fixedValueFvPatchField<Type>::autoMap(mapper);
     uniformValue_().autoMap(mapper);
+
+    if (uniformValue_().constant())
+    {
+        // If mapper is not dependent on time we're ok to evaluate
+        this->evaluate();
+    }
 }
 
 

src/finiteVolume/fields/fvPatchFields/fvPatchField/directFvPatchFieldMapper.H

@@ -93,6 +93,11 @@ public:
             return hasUnmapped_;
         }
 
+        bool& hasUnmapped()
+        {
+            return hasUnmapped_;
+        }
+
         const labelUList& directAddressing() const
         {
             return directAddressing_;

src/meshTools/PatchFunction1/ConstantField/ConstantField.C

@@ -32,13 +32,17 @@ Foam::PatchFunction1Types::ConstantField<Type>::ConstantField
 (
     const polyPatch& pp,
     const word& entryName,
-    const Field<Type>& value,
+    const bool isUniform,
+    const Type& uniformValue,
+    const Field<Type>& nonUniformValue,
     const dictionary& dict,
     const bool faceValues
 )
 :
     PatchFunction1<Type>(pp, entryName, dict, faceValues),
-    value_(value)
+    isUniform_(isUniform),
+    uniformValue_(uniformValue),
+    value_(nonUniformValue)
 {}
 
 
@@ -47,9 +51,14 @@ Foam::Field<Type> Foam::PatchFunction1Types::ConstantField<Type>::getValue
 (
     const word& keyword,
     const dictionary& dict,
-    const label len
+    const label len,
+    bool& isUniform,
+    Type& uniformValue
 )
 {
+    isUniform = true;
+    uniformValue = Zero;
+
     Field<Type> fld;
 
     if (len)
@@ -67,13 +76,16 @@ Foam::Field<Type> Foam::PatchFunction1Types::ConstantField<Type>::getValue
              || firstToken.wordToken() == "constant"
             )
             {
+                is >> uniformValue;
                 fld.setSize(len);
-                fld = pTraits<Type>(is);
+                fld = uniformValue;
             }
             else if (firstToken.wordToken() == "nonuniform")
             {
                 List<Type>& list = fld;
                 is >> list;
+                isUniform = false;
+
                 label currentSize = fld.size();
                 if (currentSize != len)
                 {
@@ -105,6 +117,7 @@ Foam::Field<Type> Foam::PatchFunction1Types::ConstantField<Type>::getValue
             }
             else
             {
+                isUniform = false;
                 FatalIOErrorInFunction(dict)
                     << "Expected keyword 'uniform', 'nonuniform' or 'constant'"
                     << ", found " << firstToken.wordToken()
@@ -113,10 +126,10 @@ Foam::Field<Type> Foam::PatchFunction1Types::ConstantField<Type>::getValue
         }
         else
         {
-            fld.setSize(len);
-
             is.putBack(firstToken);
-            fld = pTraits<Type>(is);
+            is >> uniformValue;
+            fld.setSize(len);
+            fld = uniformValue;
         }
     }
     return fld;
@@ -134,7 +147,7 @@ Foam::PatchFunction1Types::ConstantField<Type>::ConstantField
 )
 :
     PatchFunction1<Type>(pp, entryName, dict, faceValues),
-    value_(getValue(entryName, dict, pp.size()))
+    value_(getValue(entryName, dict, pp.size(), isUniform_, uniformValue_))
 {}
 
 
@@ -145,6 +158,8 @@ Foam::PatchFunction1Types::ConstantField<Type>::ConstantField
 )
 :
     PatchFunction1<Type>(cnst),
+    isUniform_(cnst.isUniform_),
+    uniformValue_(cnst.uniformValue_),
     value_(cnst.value_)
 {}
 
@@ -157,8 +172,17 @@ Foam::PatchFunction1Types::ConstantField<Type>::ConstantField
 )
 :
     PatchFunction1<Type>(cnst, pp),
+    isUniform_(cnst.isUniform_),
+    uniformValue_(cnst.uniformValue_),
     value_(cnst.value_)
-{}
+{
+    // If different sizes do what?
+    value_.setSize(this->patch_.size());
+    if (isUniform_)
+    {
+        value_ = uniformValue_;
+    }
+}
 
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
@@ -170,6 +194,12 @@ void Foam::PatchFunction1Types::ConstantField<Type>::autoMap
 )
 {
     value_.autoMap(mapper);
+
+    // If originating from single value override just to make sure
+    if (isUniform_)
+    {
+        value_ = uniformValue_;
+    }
 }
 
 

src/meshTools/PatchFunction1/ConstantField/ConstantField.H

@@ -60,6 +60,12 @@ class ConstantField
 {
     // Private data
 
+        //- Is uniform?
+        bool isUniform_;
+
+        //- If uniform the uniformValue
+        Type uniformValue_;
+
         //- ConstantField value
         Field<Type> value_;
 
@@ -71,7 +77,9 @@ class ConstantField
         (
             const word& keyword,
             const dictionary& dict,
-            const label len
+            const label len,
+            bool& isUniform,
+            Type& uniformValue
         );
 
         //- No copy assignment
@@ -91,7 +99,9 @@ public:
         (
             const polyPatch& pp,
             const word& entryName,
-            const Field<Type>& value,
+            const bool isUniform,
+            const Type& uniformValue,
+            const Field<Type>& nonUniformValue,
             const dictionary& dict = dictionary::null,
             const bool faceValues = true
         );
@@ -141,7 +151,19 @@ public:
         // Evaluation
 
             //- Return constant value
-            virtual inline tmp<Field<Type>> value(const scalar) const;
+            virtual inline tmp<Field<Type>> value(const scalar x) const;
+
+            //- Is value constant (i.e. independent of x)
+            virtual inline bool constant() const
+            {
+                return true;
+            }
+
+            //- Is value uniform (i.e. independent of coordinate)
+            virtual inline bool uniform() const
+            {
+                return isUniform_ && PatchFunction1<Type>::uniform();
+            }
 
             //- Integrate between two values
             virtual inline tmp<Field<Type>> integrate

src/meshTools/PatchFunction1/MappedFile/MappedFile.H

@@ -178,6 +178,18 @@ public:
             //- Return MappedFile value
             virtual tmp<Field<Type>> value(const scalar) const;
 
+            //- Is value constant (i.e. independent of x)
+            virtual bool constant() const
+            {
+                return sampleTimes_.size() == 1;
+            }
+
+            //- Is value uniform (i.e. independent of coordinate)
+            virtual bool uniform() const
+            {
+                return PatchFunction1<Type>::uniform();
+            }
+
             //- Integrate between two values
             virtual tmp<Field<Type>> integrate
             (

src/meshTools/PatchFunction1/PatchFunction1.C

@@ -113,6 +113,12 @@ Foam::tmp<Foam::Field<Type>> Foam::PatchFunction1<Type>::value
     return Field<Type>();
 }
 
+template<class Type>
+bool Foam::PatchFunction1<Type>::uniform() const
+{
+    return !coordSys_.active();
+}
+
 
 template<class Type>
 Foam::tmp<Foam::Field<Type>> Foam::PatchFunction1<Type>::integrate

src/meshTools/PatchFunction1/PatchFunction1.H

@@ -193,6 +193,12 @@ public:
             //- Return value as a function of (scalar) independent variable
             virtual tmp<Field<Type>> value(const scalar x) const;
 
+            //- Is value constant (i.e. independent of x)
+            virtual bool constant() const = 0;
+
+            //- Is value uniform (i.e. independent of coordinate)
+            virtual bool uniform() const = 0;
+
             //- Integrate between two (scalar) values
             virtual tmp<Field<Type>> integrate
             (

src/meshTools/PatchFunction1/PatchFunction1New.C

@@ -67,7 +67,9 @@ Foam::autoPtr<Foam::PatchFunction1<Type>> Foam::PatchFunction1<Type>::New
         {
             // Backwards-compatibility for reading straight fields
             is.putBack(firstToken);
-            const Field<Type> value(pp.size(), pTraits<Type>(is));
+
+            const Type uniformValue = pTraits<Type>(is);
+            const Field<Type> value(pp.size(), uniformValue);
 
             return autoPtr<PatchFunction1<Type>>
             (
@@ -75,6 +77,8 @@ Foam::autoPtr<Foam::PatchFunction1<Type>> Foam::PatchFunction1<Type>::New
                 (
                     pp,
                     entryName,
+                    true,           // uniform
+                    uniformValue,   // uniform value
                     value,          // Supply value
                     dict,
                     faceValues

src/meshTools/PatchFunction1/UniformValueField/UniformValueField.H

@@ -128,7 +128,16 @@ public:
         // Evaluation
 
             //- Return UniformValueField value
-            virtual inline tmp<Field<Type>> value(const scalar) const;
+            virtual inline tmp<Field<Type>> value(const scalar x) const;
+
+            //- Is value constant (i.e. independent of x)
+            virtual inline bool constant() const;
+
+            //- Is value uniform (i.e. independent of coordinate)
+            virtual inline bool uniform() const
+            {
+                return PatchFunction1<Type>::uniform();
+            }
 
             //- Integrate between two values
             virtual inline tmp<Field<Type>> integrate

src/meshTools/PatchFunction1/UniformValueField/UniformValueFieldI.H

@@ -25,9 +25,18 @@ License
 
 #include "UniformValueField.H"
 #include "SubField.H"
+#include "Constant.H"
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
+template<class Type>
+inline bool
+Foam::PatchFunction1Types::UniformValueField<Type>::constant() const
+{
+    return uniformValuePtr_->type() == Function1Types::Constant<Type>::typeName;
+}
+
+
 template<class Type>
 inline Foam::tmp<Foam::Field<Type>>
 Foam::PatchFunction1Types::UniformValueField<Type>::value

tutorials/heatTransfer/chtMultiRegionFoam/windshieldCondensation/0.orig/cabin/omega

@@ -21,7 +21,6 @@ internalField   uniform 0.2;
 
 boundaryField
 {
-
     inlet
     {
         type            uniformFixedValue;

tutorials/multiphase/interPhaseChangeDyMFoam/propeller/0.orig/U

@@ -32,7 +32,6 @@ boundaryField
             (0.01  (0 -15 0))
             (100   (0 -15 0))
         );
-        value           $internalField;
     }
 
     outlet