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100 lines
2.8 KiB
C
100 lines
2.8 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) 1991-2009 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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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 "ode.H"
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#include "ODEChemistryModel.H"
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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template<class CompType, class ThermoType>
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Foam::ode<CompType, ThermoType>::ode
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(
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ODEChemistryModel<CompType, ThermoType>& model,
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const word& modelName
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)
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:
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chemistrySolver<CompType, ThermoType>(model, modelName),
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coeffsDict_(model.subDict(modelName + "Coeffs")),
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solverName_(coeffsDict_.lookup("ODESolver")),
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odeSolver_(ODESolver::New(solverName_, model)),
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eps_(readScalar(coeffsDict_.lookup("eps"))),
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scale_(readScalar(coeffsDict_.lookup("scale")))
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{}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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template<class CompType, class ThermoType>
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Foam::ode<CompType, ThermoType>::~ode()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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template<class CompType, class ThermoType>
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Foam::scalar Foam::ode<CompType, ThermoType>::solve
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(
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scalarField& c,
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const scalar T,
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const scalar p,
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const scalar t0,
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const scalar dt
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) const
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{
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label nSpecie = this->model_.nSpecie();
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scalarField c1(this->model_.nEqns(), 0.0);
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// copy the concentration, T and P to the total solve-vector
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for (label i=0; i<nSpecie; i++)
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{
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c1[i] = c[i];
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}
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c1[nSpecie] = T;
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c1[nSpecie+1] = p;
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scalar dtEst = dt;
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odeSolver_->solve
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(
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this->model_,
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t0,
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t0 + dt,
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c1,
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eps_,
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dtEst
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);
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for (label i=0; i<c.size(); i++)
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{
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c[i] = max(0.0, c1[i]);
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}
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return dtEst;
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}
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// ************************************************************************* //
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