6bc00144fc
This is needed to handle the processing of many time directories, some of which may have the required fields and some not.
96 lines
2.6 KiB
C
96 lines
2.6 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) 2013-2016 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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\*---------------------------------------------------------------------------*/
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#include "Lambda2.H"
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#include "fvcGrad.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 functionObjects
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{
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defineTypeNameAndDebug(Lambda2, 0);
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addToRunTimeSelectionTable
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(
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functionObject,
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Lambda2,
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dictionary
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);
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}
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}
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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bool Foam::functionObjects::Lambda2::calc()
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{
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if (foundField<volVectorField>(fieldName_))
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{
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const volVectorField& U = lookupField<volVectorField>(fieldName_);
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const tmp<volTensorField> tgradU(fvc::grad(U));
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const volTensorField& gradU = tgradU();
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const volTensorField SSplusWW
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(
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(symm(gradU) & symm(gradU))
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+ (skew(gradU) & skew(gradU))
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);
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return store
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(
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resultName_,
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-eigenValues(SSplusWW)().component(vector::Y)
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);
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}
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else
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{
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return false;
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}
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::functionObjects::Lambda2::Lambda2
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(
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const word& name,
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const Time& runTime,
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const dictionary& dict
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)
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:
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fieldExpression(name, runTime, dict, "U", "Lambda2")
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{}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::functionObjects::Lambda2::~Lambda2()
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{}
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// ************************************************************************* //
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