anisomassmat.h

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/*
 *
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 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
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 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2025   Borek Patzak
 *
 *
 *
 *       Czech Technical University, Faculty of Civil Engineering,
 *   Department of Structural Mechanics, 166 29 Prague, Czech Republic
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This program 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
#ifndef anisomassmat_h
#define anisomassmat_h
 
#include "tm/Materials/transportmaterial.h"
#include "floatmatrixf.h"


#define _IFT_AnisotropicMassTransferMaterial_Name "anisomass"
#define _IFT_AnisotropicMassTransferMaterial_c "c"
 
namespace oofem {
class AnisotropicMassTransferMaterial : public TransportMaterial
{
protected:
    FloatMatrixF<3,3> k; 
 
public:
    AnisotropicMassTransferMaterial(int n, Domain * d) : TransportMaterial(n, d) { }
 
    void initializeFrom(InputRecord &ir) override;
 
    FloatArrayF<3> computeFlux3D(const FloatArrayF<3> &grad, double field, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF<3,3> computeTangent3D(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
 
    double giveCharacteristicValue(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
 
    const char *giveInputRecordName() const override { return _IFT_AnisotropicMassTransferMaterial_Name; }
    const char *giveClassName() const override { return "AnisotropicMassTransferMaterial"; }
};
} // end namespace oofem
#endif // anisomassmat_h