mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
adding randomise foamCalc function
This commit is contained in:
andy
@ -6,5 +6,6 @@ field/mag/mag.C
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field/magSqr/magSqr.C
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field/magSqr/magSqr.C
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field/magGrad/magGrad.C
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field/magGrad/magGrad.C
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field/div/div.C
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field/div/div.C
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field/randomise/randomise.C
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LIB = $(FOAM_LIBBIN)/libfoamCalcFunctions
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LIB = $(FOAM_LIBBIN)/libfoamCalcFunctions
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164
src/postProcessing/foamCalcFunctions/field/randomise/randomise.C
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164
src/postProcessing/foamCalcFunctions/field/randomise/randomise.C
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@ -0,0 +1,164 @@
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/*---------------------------------------------------------------------------*\
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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) 1991-2008 OpenCFD Ltd.
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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 the
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Free Software Foundation; either version 2 of the License, or (at your
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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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|
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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, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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\*---------------------------------------------------------------------------*/
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#include "randomise.H"
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#include "addToRunTimeSelectionTable.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace calcTypes
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{
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defineTypeNameAndDebug(randomise, 0);
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addToRunTimeSelectionTable(calcType, randomise, dictionary);
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}
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::calcTypes::randomise::randomise()
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:
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calcType()
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{}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::calcTypes::randomise::~randomise()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void Foam::calcTypes::randomise::init()
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{
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argList::validArgs.append("randomise");
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argList::validArgs.append("perturbation");
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argList::validArgs.append("fieldName1 .. fieldNameN");
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}
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void Foam::calcTypes::randomise::preCalc
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(
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const argList& args,
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const Time& runTime,
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const fvMesh& mesh
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)
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{
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if (args.additionalArgs().size() < 3)
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{
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Info<< nl
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<< "must specify perturbation magnitude and one"
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<< "or more fields"
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<< nl;
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args.printUsage();
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FatalError.exit();
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}
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}
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void Foam::calcTypes::randomise::calc
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(
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const argList& args,
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const Time& runTime,
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const fvMesh& mesh
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)
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{
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const stringList& params = args.additionalArgs();
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const scalar pertMag = readScalar(IStringStream(params[1])());
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Random rand(1234567);
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for (label fieldi=2; fieldi<params.size(); fieldi++)
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{
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const word fieldName(params[fieldi]);
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IOobject fieldHeader
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(
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fieldName,
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ
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);
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// Check field exists
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if (fieldHeader.headerOk())
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{
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bool processed = false;
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writeRandomField<vector>
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(
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fieldHeader,
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pertMag,
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rand,
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mesh,
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processed
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);
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writeRandomField<sphericalTensor>
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(
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fieldHeader,
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pertMag,
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rand,
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mesh,
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processed
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);
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writeRandomField<symmTensor>
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(
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fieldHeader,
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pertMag,
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rand,
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mesh,
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processed
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);
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writeRandomField<tensor>
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(
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fieldHeader,
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pertMag,
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rand,
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mesh,
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processed
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);
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if (!processed)
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{
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FatalError
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<< "Unable to process " << fieldName << nl
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<< "No call to randomise for fields of type "
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<< fieldHeader.headerClassName() << nl << nl
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<< exit(FatalError);
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}
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}
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else
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{
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Info<< " No " << fieldName << endl;
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}
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}
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}
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// ************************************************************************* //
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141
src/postProcessing/foamCalcFunctions/field/randomise/randomise.H
Normal file
141
src/postProcessing/foamCalcFunctions/field/randomise/randomise.H
Normal file
@ -0,0 +1,141 @@
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/*---------------------------------------------------------------------------*\
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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) 1991-2008 OpenCFD Ltd.
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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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|
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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 the
|
||||||
|
Free Software Foundation; either version 2 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
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||||||
|
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, write to the Free Software Foundation,
|
||||||
|
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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||||||
|
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Class
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Foam::calcTypes::randomise
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Description
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Adds a random component to a field, with a given perturbation magnitude.
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SourceFiles
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randomise.C
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\*---------------------------------------------------------------------------*/
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#ifndef randomise_H
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#define randomise_H
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#include "calcType.H"
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#include "Random.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace calcTypes
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{
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/*---------------------------------------------------------------------------*\
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Class randomise Declaration
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\*---------------------------------------------------------------------------*/
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class randomise
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:
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public calcType
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{
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// Private Member Functions
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//- Disallow default bitwise copy construct
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randomise(const randomise&);
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//- Disallow default bitwise assignment
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void operator=(const randomise&);
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protected:
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// Member Functions
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// Calculation routines
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//- Initialise - typically setting static variables,
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// e.g. command line arguments
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virtual void init();
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//- Pre-time loop calculations
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virtual void preCalc
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(
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const argList& args,
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const Time& runTime,
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const fvMesh& mesh
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);
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//- Time loop calculations
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virtual void calc
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(
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const argList& args,
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const Time& runTime,
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const fvMesh& mesh
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);
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// I-O
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//- Write component fields
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template<class Type>
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void writeRandomField
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(
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const IOobject& header,
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const scalar pertMag,
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Random& rand,
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const fvMesh& mesh,
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bool& processed
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);
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public:
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//- Runtime type information
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TypeName("randomise");
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// Constructors
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//- Construct null
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randomise();
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// Destructor
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virtual ~randomise();
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace calcTypes
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#ifdef NoRepository
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# include "writeRandomField.C"
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#endif
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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@ -0,0 +1,73 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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||||||
|
\\ / O peration |
|
||||||
|
\\ / A nd | Copyright (C) 1991-2008 OpenCFD Ltd.
|
||||||
|
\\/ M anipulation |
|
||||||
|
-------------------------------------------------------------------------------
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||||||
|
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 2 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, write to the Free Software Foundation,
|
||||||
|
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||||
|
|
||||||
|
\*---------------------------------------------------------------------------*/
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|
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template <class Type>
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void Foam::calcTypes::randomise::writeRandomField
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(
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const IOobject& header,
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const scalar pertMag,
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Random& rand,
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const fvMesh& mesh,
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bool& processed
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)
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{
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typedef GeometricField<Type, fvPatchField, volMesh> fieldType;
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if (header.headerClassName() == fieldType::typeName)
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{
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Info<< " Reading " << header.name() << endl;
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fieldType field(header, mesh);
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forAll(field, cellI)
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{
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Type rndPert;
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rand.randomise(rndPert);
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rndPert = 2.0*rndPert - pTraits<Type>::one;
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rndPert /= mag(rndPert);
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field[cellI] += pertMag*rndPert;
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}
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fieldType randomisedField
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(
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IOobject
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(
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header.name() + "Random",
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mesh.time().timeName(),
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mesh,
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IOobject::NO_READ
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),
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field
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);
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Info<< " Writing " << header.name() << "Random" << endl;
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randomisedField.write();
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processed = true;
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}
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}
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|
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|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||||
Reference in New Issue
Block a user