ENH: near-wall sampling : new 'patchInternalField' sampledSurface, new...

ENH: near-wall sampling : new 'patchInternalField' sampledSurface, new 'nearWallFields' functionObject

applications/utilities/postProcessing/sampling/sample/sampleDict

@@ -166,6 +166,18 @@ surfaces
         // triangulate     false;
     }
 
+    movingNearWall_interpolated
+    {
+        // Sample cell values off patch. Does not need to be the near-wall
+        // cell, can be arbitrarily far away.
+        type            patchInternalField;
+        patchName       movingWall;
+        distance        0.0001;
+        interpolate     true;
+        // Optional: whether to leave as faces (=default) or triangulate
+        // triangulate     false;
+    }
+
     interpolatedIso
     {
         // Iso surface for interpolated values only

src/finiteVolume/Make/files

@@ -142,6 +142,7 @@ $(derivedFvPatchFields)/pressureInletUniformVelocity/pressureInletUniformVelocit
 $(derivedFvPatchFields)/pressureInletVelocity/pressureInletVelocityFvPatchVectorField.C
 $(derivedFvPatchFields)/rotatingPressureInletOutletVelocity/rotatingPressureInletOutletVelocityFvPatchVectorField.C
 $(derivedFvPatchFields)/rotatingTotalPressure/rotatingTotalPressureFvPatchScalarField.C
+$(derivedFvPatchFields)/selfContainedDirectMapped/selfContainedDirectMappedFixedValueFvPatchFields.C
 $(derivedFvPatchFields)/slip/slipFvPatchFields.C
 $(derivedFvPatchFields)/supersonicFreestream/supersonicFreestreamFvPatchVectorField.C
 $(derivedFvPatchFields)/surfaceNormalFixedValue/surfaceNormalFixedValueFvPatchVectorField.C

src/finiteVolume/fields/fvPatchFields/derived/selfContainedDirectMapped/selfContainedDirectMappedFixedValueFvPatchField.C

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+\*---------------------------------------------------------------------------*/
+
+#include "selfContainedDirectMappedFixedValueFvPatchField.H"
+#include "volFields.H"
+#include "interpolationCell.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+template<class Type>
+selfContainedDirectMappedFixedValueFvPatchField<Type>::selfContainedDirectMappedFixedValueFvPatchField
+(
+    const fvPatch& p,
+    const DimensionedField<Type, volMesh>& iF
+)
+:
+    directMappedPatchBase(p.patch()),
+    fixedValueFvPatchField<Type>(p, iF),
+    fieldName_(iF.name()),
+    setAverage_(false),
+    average_(pTraits<Type>::zero),
+    interpolationScheme_(interpolationCell<Type>::typeName)
+{}
+
+
+template<class Type>
+selfContainedDirectMappedFixedValueFvPatchField<Type>::selfContainedDirectMappedFixedValueFvPatchField
+(
+    const selfContainedDirectMappedFixedValueFvPatchField<Type>& ptf,
+    const fvPatch& p,
+    const DimensionedField<Type, volMesh>& iF,
+    const fvPatchFieldMapper& mapper
+)
+:
+    directMappedPatchBase(p.patch(), ptf),
+    fixedValueFvPatchField<Type>(ptf, p, iF, mapper),
+    fieldName_(ptf.fieldName_),
+    setAverage_(ptf.setAverage_),
+    average_(ptf.average_),
+    interpolationScheme_(ptf.interpolationScheme_)
+{}
+
+
+template<class Type>
+selfContainedDirectMappedFixedValueFvPatchField<Type>::
+selfContainedDirectMappedFixedValueFvPatchField
+(
+    const fvPatch& p,
+    const DimensionedField<Type, volMesh>& iF,
+    const dictionary& dict
+)
+:
+    directMappedPatchBase(p.patch(), dict),
+    fixedValueFvPatchField<Type>(p, iF, dict),
+    fieldName_(dict.lookupOrDefault<word>("fieldName", iF.name())),
+    setAverage_(readBool(dict.lookup("setAverage"))),
+    average_(pTraits<Type>(dict.lookup("average"))),
+    interpolationScheme_(interpolationCell<Type>::typeName)
+{
+    if (mode() == directMappedPatchBase::NEARESTCELL)
+    {
+        dict.lookup("interpolationScheme") >> interpolationScheme_;
+    }
+}
+
+
+template<class Type>
+selfContainedDirectMappedFixedValueFvPatchField<Type>::
+selfContainedDirectMappedFixedValueFvPatchField
+(
+    const fvPatch& p,
+    const DimensionedField<Type, volMesh>& iF,
+
+    // directMappedPatchBase
+    const word& sampleRegion,
+    const sampleMode sampleMode,
+    const word& samplePatch,
+    const scalar distance,
+
+    // My settings
+    const word& fieldName,
+    const bool setAverage,
+    const Type average,
+    const word& interpolationScheme
+)
+:
+    directMappedPatchBase
+    (
+        p.patch(),
+        sampleRegion,
+        sampleMode,
+        samplePatch,
+        distance
+    ),
+    fixedValueFvPatchField<Type>(p, iF),
+    fieldName_(fieldName),
+    setAverage_(setAverage),
+    average_(average),
+    interpolationScheme_(interpolationScheme)
+{}
+
+
+
+template<class Type>
+selfContainedDirectMappedFixedValueFvPatchField<Type>::selfContainedDirectMappedFixedValueFvPatchField
+(
+    const selfContainedDirectMappedFixedValueFvPatchField<Type>& ptf
+)
+:
+    directMappedPatchBase(ptf.patch().patch(), ptf),
+    fixedValueFvPatchField<Type>(ptf),
+    fieldName_(ptf.fieldName_),
+    setAverage_(ptf.setAverage_),
+    average_(ptf.average_),
+    interpolationScheme_(ptf.interpolationScheme_)
+{}
+
+
+template<class Type>
+selfContainedDirectMappedFixedValueFvPatchField<Type>::selfContainedDirectMappedFixedValueFvPatchField
+(
+    const selfContainedDirectMappedFixedValueFvPatchField<Type>& ptf,
+    const DimensionedField<Type, volMesh>& iF
+)
+:
+    directMappedPatchBase(ptf.patch().patch(), ptf),
+    fixedValueFvPatchField<Type>(ptf, iF),
+    fieldName_(ptf.fieldName_),
+    setAverage_(ptf.setAverage_),
+    average_(ptf.average_),
+    interpolationScheme_(ptf.interpolationScheme_)
+{}
+
+
+// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
+
+template<class Type>
+const GeometricField<Type, fvPatchField, volMesh>&
+selfContainedDirectMappedFixedValueFvPatchField<Type>::sampleField() const
+{
+    typedef GeometricField<Type, fvPatchField, volMesh> fieldType;
+
+    const fvMesh& nbrMesh = refCast<const fvMesh>(sampleMesh());
+
+    if (sameRegion())
+    {
+        if (fieldName_ == this->dimensionedInternalField().name())
+        {
+            // Optimisation: bypass field lookup
+            return
+                dynamic_cast<const fieldType&>
+                (
+                    this->dimensionedInternalField()
+                );
+        }
+        else
+        {
+            const fvMesh& thisMesh = this->patch().boundaryMesh().mesh();
+            return thisMesh.lookupObject<fieldType>(fieldName_);
+        }
+    }
+    else
+    {
+        return nbrMesh.lookupObject<fieldType>(fieldName_);
+    }
+}
+
+
+template<class Type>
+const interpolation<Type>&
+selfContainedDirectMappedFixedValueFvPatchField<Type>::interpolator() const
+{
+    if (!interpolator_.valid())
+    {
+        interpolator_ = interpolation<Type>::New
+        (
+            interpolationScheme_,
+            sampleField()
+        );
+    }
+    return interpolator_();
+}
+
+
+template<class Type>
+void selfContainedDirectMappedFixedValueFvPatchField<Type>::updateCoeffs()
+{
+    if (this->updated())
+    {
+        return;
+    }
+
+    typedef GeometricField<Type, fvPatchField, volMesh> fieldType;
+
+    const fvMesh& thisMesh = this->patch().boundaryMesh().mesh();
+    const fvMesh& nbrMesh = refCast<const fvMesh>(sampleMesh());
+    const mapDistribute& distMap = directMappedPatchBase::map();
+
+    // Result of obtaining remote values
+    Field<Type> newValues;
+
+    switch (mode())
+    {
+        case NEARESTCELL:
+        {
+            if (interpolationScheme_ != interpolationCell<Type>::typeName)
+            {
+                // Need to do interpolation so need cells to sample.
+
+                // Send back sample points to the processor that holds the cell
+                vectorField samples(samplePoints());
+                distMap.reverseDistribute
+                (
+                    (sameRegion() ? thisMesh.nCells() : nbrMesh.nCells()),
+                    point::max,
+                    samples
+                );
+
+                const interpolation<Type>& interp = interpolator();
+
+                newValues.setSize(samples.size(), pTraits<Type>::max);
+                forAll(samples, cellI)
+                {
+                    if (samples[cellI] != point::max)
+                    {
+                        newValues[cellI] = interp.interpolate
+                        (
+                            samples[cellI],
+                            cellI
+                        );
+                    }
+                }
+            }
+            else
+            {
+                newValues = sampleField();
+            }
+
+            distMap.distribute(newValues);
+
+            break;
+        }
+        case NEARESTPATCHFACE:
+        {
+            const label nbrPatchID = nbrMesh.boundaryMesh().findPatchID
+            (
+                samplePatch()
+            );
+            if (nbrPatchID < 0)
+            {
+                FatalErrorIn
+                (
+                    "void selfContainedDirectMappedFixedValueFvPatchField<Type>::"
+                    "updateCoeffs()"
+                )<< "Unable to find sample patch " << samplePatch()
+                 << " in region " << sampleRegion()
+                 << " for patch " << this->patch().name() << nl
+                 << abort(FatalError);
+            }
+
+            const fieldType& nbrField = sampleField();
+
+            newValues = nbrField.boundaryField()[nbrPatchID];
+            distMap.distribute(newValues);
+
+            break;
+        }
+        case NEARESTFACE:
+        {
+            Field<Type> allValues(nbrMesh.nFaces(), pTraits<Type>::zero);
+
+            const fieldType& nbrField = sampleField();
+
+            forAll(nbrField.boundaryField(), patchI)
+            {
+                const fvPatchField<Type>& pf =
+                    nbrField.boundaryField()[patchI];
+                label faceStart = pf.patch().start();
+
+                forAll(pf, faceI)
+                {
+                    allValues[faceStart++] = pf[faceI];
+                }
+            }
+
+            distMap.distribute(allValues);
+
+            newValues.transfer(allValues);
+
+            break;
+        }
+        default:
+        {
+            FatalErrorIn
+            (
+                "selfContainedDirectMappedFixedValueFvPatchField<Type>::updateCoeffs()"
+            )<< "Unknown sampling mode: " << mode()
+             << nl << abort(FatalError);
+        }
+    }
+
+    if (setAverage_)
+    {
+        Type averagePsi =
+            gSum(this->patch().magSf()*newValues)
+           /gSum(this->patch().magSf());
+
+        if (mag(averagePsi)/mag(average_) > 0.5)
+        {
+            newValues *= mag(average_)/mag(averagePsi);
+        }
+        else
+        {
+            newValues += (average_ - averagePsi);
+        }
+    }
+
+    this->operator==(newValues);
+
+    if (debug)
+    {
+        Info<< "selfContainedDirectMapped on field:"
+            << this->dimensionedInternalField().name()
+            << " patch:" << this->patch().name()
+            << "  avg:" << gAverage(*this)
+            << "  min:" << gMin(*this)
+            << "  max:" << gMax(*this)
+            << endl;
+    }
+
+    fixedValueFvPatchField<Type>::updateCoeffs();
+}
+
+
+template<class Type>
+void selfContainedDirectMappedFixedValueFvPatchField<Type>::write(Ostream& os) const
+{
+    fvPatchField<Type>::write(os);
+    directMappedPatchBase::write(os);
+    os.writeKeyword("fieldName") << fieldName_ << token::END_STATEMENT << nl;
+    os.writeKeyword("setAverage") << setAverage_ << token::END_STATEMENT << nl;
+    os.writeKeyword("average") << average_ << token::END_STATEMENT << nl;
+    os.writeKeyword("interpolationScheme") << interpolationScheme_
+        << token::END_STATEMENT << nl;
+    this->writeEntry("value", os);
+}
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// ************************************************************************* //

src/finiteVolume/fields/fvPatchFields/derived/selfContainedDirectMapped/selfContainedDirectMappedFixedValueFvPatchField.H

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+Class
+    Foam::selfContainedDirectMappedFixedValueFvPatchField
+
+Description
+    Self-contained version of directMapped. Does not use information on
+    patch, instead holds it locally (and possibly duplicate) so use
+    normal directMapped in preference and only use this if you cannot
+    change the underlying patch type to directMapped.
+
+SourceFiles
+    selfContainedDirectMappedFixedValueFvPatchField.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef selfContainedDirectMappedFixedValueFvPatchField_H
+#define selfContainedDirectMappedFixedValueFvPatchField_H
+
+#include "directMappedPatchBase.H"
+#include "fixedValueFvPatchFields.H"
+#include "interpolation.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+/*---------------------------------------------------------------------------*\
+              Class selfContainedDirectMappedFixedValueFvPatch Declaration
+\*---------------------------------------------------------------------------*/
+
+template<class Type>
+class selfContainedDirectMappedFixedValueFvPatchField
+:
+    public directMappedPatchBase,
+    public fixedValueFvPatchField<Type>
+{
+    // Private data
+
+        //- Name of field to sample - defaults to field associated with this
+        //  patchField if not specified
+        word fieldName_;
+
+        //- If true adjust the mapped field to maintain average value average_
+        const bool setAverage_;
+
+        //- Average value the mapped field is adjusted to maintain if
+        //  setAverage_ is set true
+        const Type average_;
+
+        //- Interpolation scheme to use for nearestcell mode
+        word interpolationScheme_;
+
+        mutable autoPtr<interpolation<Type> > interpolator_;
+
+    // Private Member Functions
+
+        //- Field to sample. Either on my or nbr mesh
+        const GeometricField<Type, fvPatchField, volMesh>& sampleField() const;
+
+        //- Access the interpolation method
+        const interpolation<Type>& interpolator() const;
+
+public:
+
+    //- Runtime type information
+    TypeName("selfContainedDirectMapped");
+
+
+    // Constructors
+
+        //- Construct from patch and internal field
+        selfContainedDirectMappedFixedValueFvPatchField
+        (
+            const fvPatch&,
+            const DimensionedField<Type, volMesh>&
+        );
+
+        //- Construct from patch, internal field and dictionary
+        selfContainedDirectMappedFixedValueFvPatchField
+        (
+            const fvPatch&,
+            const DimensionedField<Type, volMesh>&,
+            const dictionary&
+        );
+
+        //- Construct from patch, internal field and distance for normal type
+        //  sampling
+        selfContainedDirectMappedFixedValueFvPatchField
+        (
+            const fvPatch&,
+            const DimensionedField<Type, volMesh>&,
+
+            // directMappedPatchBase
+            const word& sampleRegion,
+            const sampleMode sampleMode,
+            const word& samplePatch,
+            const scalar distance,
+
+            // My settings
+            const word& fieldName,
+            const bool setAverage,
+            const Type average,
+            const word& interpolationScheme
+        );
+
+        //- Construct by mapping given selfContainedDirectMappedFixedValueFvPatchField
+        //  onto a new patch
+        selfContainedDirectMappedFixedValueFvPatchField
+        (
+            const selfContainedDirectMappedFixedValueFvPatchField<Type>&,
+            const fvPatch&,
+            const DimensionedField<Type, volMesh>&,
+            const fvPatchFieldMapper&
+        );
+
+        //- Construct as copy
+        selfContainedDirectMappedFixedValueFvPatchField
+        (
+            const selfContainedDirectMappedFixedValueFvPatchField<Type>&
+        );
+
+        //- Construct and return a clone
+        virtual tmp<fvPatchField<Type> > clone() const
+        {
+            return tmp<fvPatchField<Type> >
+            (
+                new selfContainedDirectMappedFixedValueFvPatchField<Type>(*this)