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349 lines
9.7 KiB
C++
349 lines
9.7 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2011-2012 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::fieldValues::faceSource
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Description
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Face source variant of field value function object. Values of user-
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specified fields reported for collections of faces.
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\verbatim
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faceObj1 // Name also used to identify output folder
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{
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type faceSource;
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functionObjectLibs ("libfieldFunctionObjects.so");
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enabled true;
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outputControl outputTime;
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log true; // log to screen?
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valueOutput true; // Write values at run-time output times?
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source faceZone; // Type of face source:
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// faceZone,patch,sampledSurface
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sourceName f0; // faceZone name, see below
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operation sum;
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weightField alpha1; // optional weight field
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fields
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(
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p
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phi
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U
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);
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}
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\endverbatim
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source:
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- faceZone : requires a 'sourceName' entry to specify the faceZone
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- patch : "" patch
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- sampledSurface : requires a 'sampledSurfaceDict' subdictionary. See e.g.
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sampleDict.
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operation is one of:
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- none
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- sum
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- average (ensemble)
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- weightedAverage
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- areaAverage
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- areaIntegrate
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- min
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- max
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- CoV (Coefficient of variation: standard deviation/mean)
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- areaNormalAverage (vector with first component (average of) inproduct
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of value and face area vector)
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- areaNormalIntegrate ( ,, ,, (sum of) ,,
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For example, to calculate the volumetric or mass flux across a patch,
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apply the 'sum' operator to the flux field (typically \c phi)
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Note
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- faces on empty patches get ignored
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- if the field is a volField the \c faceZone can only consist of boundary
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faces
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- all fields get oriented according to the \c faceZone (so you might
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e.g. see negative pressure)
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- using \c sampledSurfaces:
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- they do not do surface fields
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- if interpolate=true they use \c interpolationCellPoint
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otherwise they use cell values
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- each triangle in \c sampledSurface is logically only in one cell
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so interpolation will be wrong when triangles are larger than
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cells. This can only happen for sampling on \c triSurfaceMesh
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- take care when using isoSurfaces - these might have duplicate
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triangles so integration might be wrong
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SourceFiles
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faceSource.C
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\*---------------------------------------------------------------------------*/
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#ifndef faceSource_H
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#define faceSource_H
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#include "NamedEnum.H"
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#include "fieldValue.H"
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#include "surfaceFieldsFwd.H"
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#include "volFieldsFwd.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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class sampledSurface;
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namespace fieldValues
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{
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/*---------------------------------------------------------------------------*\
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Class faceSource Declaration
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\*---------------------------------------------------------------------------*/
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class faceSource
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:
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public fieldValue
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{
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public:
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// Public data types
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//- Source type enumeration
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enum sourceType
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{
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stFaceZone,
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stPatch,
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stSampledSurface
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};
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//- Source type names
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static const NamedEnum<sourceType, 3> sourceTypeNames_;
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//- Operation type enumeration
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enum operationType
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{
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opNone,
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opSum,
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opAverage,
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opWeightedAverage,
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opAreaAverage,
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opAreaIntegrate,
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opMin,
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opMax,
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opCoV,
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opAreaNormalAverage,
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opAreaNormalIntegrate
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};
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//- Operation type names
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static const NamedEnum<operationType, 11> operationTypeNames_;
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private:
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// Private Member Functions
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//- Set faces to evaluate based on a face zone
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void setFaceZoneFaces();
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//- Set faces to evaluate based on a patch
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void setPatchFaces();
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//- Set faces according to sampledSurface
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void sampledSurfaceFaces(const dictionary&);
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protected:
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// Protected data
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//- Source type
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sourceType source_;
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//- Operation to apply to values
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operationType operation_;
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//- Weight field name - optional
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word weightFieldName_;
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//- Global number of faces
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label nFaces_;
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// If operating on mesh faces (faceZone,patch)
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//- Local list of face IDs
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labelList faceId_;
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//- Local list of patch ID per face
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labelList facePatchId_;
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//- List of +1/-1 representing face flip map
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// (1 use as is, -1 negate)
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labelList faceSign_;
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// If operating on sampledSurface
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//- underlying sampledSurface
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autoPtr<sampledSurface> surfacePtr_;
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// Protected Member Functions
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//- Initialise, e.g. face addressing
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void initialise(const dictionary& dict);
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//- Return true if the field name is valid
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template<class Type>
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bool validField(const word& fieldName) const;
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//- Return field values by looking up field name
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template<class Type>
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tmp<Field<Type> > getFieldValues
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(
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const word& fieldName,
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const bool mustGet = false
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) const;
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//- Apply the 'operation' to the values. Operation has to
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// preserve Type.
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template<class Type>
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Type processSameTypeValues
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(
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const Field<Type>& values,
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const vectorField& Sf,
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const scalarField& weightField
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) const;
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//- Apply the 'operation' to the values. Wrapper around
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// processSameTypeValues. See also template specialisation below.
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template<class Type>
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Type processValues
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(
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const Field<Type>& values,
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const vectorField& Sf,
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const scalarField& weightField
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) const;
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//- Output file header information
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virtual void writeFileHeader();
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public:
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//- Run-time type information
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TypeName("faceSource");
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//- Construct from components
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faceSource
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(
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const word& name,
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const objectRegistry& obr,
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const dictionary& dict,
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const bool loadFromFiles = false
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);
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//- Destructor
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virtual ~faceSource();
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// Public Member Functions
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// Access
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//- Return the source type
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inline const sourceType& source() const;
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//- Return the local list of face IDs
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inline const labelList& faceId() const;
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//- Return the local list of patch ID per face
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inline const labelList& facePatch() const;
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//- Return the list of +1/-1 representing face flip map
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inline const labelList& faceSign() const;
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// Function object functions
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//- Read from dictionary
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virtual void read(const dictionary&);
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//- Calculate and write
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virtual void write();
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//- Templated helper function to output field values
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template<class Type>
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bool writeValues(const word& fieldName);
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//- Filter a surface field according to faceIds
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template<class Type>
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tmp<Field<Type> > filterField
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(
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const GeometricField<Type, fvsPatchField, surfaceMesh>& field,
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const bool applyOrientation
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) const;
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//- Filter a volume field according to faceIds
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template<class Type>
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tmp<Field<Type> > filterField
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(
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const GeometricField<Type, fvPatchField, volMesh>& field,
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const bool applyOrientation
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) const;
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};
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//- Specialisation of processing vectors for opAreaNormalAverage,
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// opAreaNormalIntegrate (use inproduct - dimension reducing operation)
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template<>
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vector faceSource::processValues
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(
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const Field<vector>& values,
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const vectorField& Sf,
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const scalarField& weightField
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) const;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace fieldValues
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#include "faceSourceI.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#ifdef NoRepository
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#include "faceSourceTemplates.C"
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#endif
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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