transportgradientdirichlet.h

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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
 */
 
#pragma once
 
#include "boundarycondition.h"
#include "dof.h"
#include "bctype.h"
#include "valuemodetype.h"
#include "floatarray.h"
#include "floatmatrix.h"
 
#include <map>


#define _IFT_TransportGradientDirichlet_Name "tmgraddirichlet"
#define _IFT_TransportGradientDirichlet_gradient "gradient"
#define _IFT_TransportGradientDirichlet_centerCoords "centercoords"
#define _IFT_TransportGradientDirichlet_surfSets "surfsets"
#define _IFT_TransportGradientDirichlet_edgeSets "edgesets"
#define _IFT_TransportGradientDirichlet_tractionControl "usexi"
 
namespace oofem {

class OOFEM_EXPORT TransportGradientDirichlet : public BoundaryCondition
{
protected:
    FloatArray mGradient;
    FloatArray mCenterCoord;
 
    bool tractionControl = false;
    std :: map< int, FloatArray > xis;
    IntArray surfSets;
 
public:
    TransportGradientDirichlet(int n, Domain *d) : BoundaryCondition(n, d) { }
 
    void initializeFrom(InputRecord &ir) override;
    void giveInputRecord(DynamicInputRecord &input) override;
    void postInitialize() override;
 
    double give(Dof *dof, ValueModeType mode, double time) override;
 
    bcType giveType() const override { return DirichletBT; }
 
    double domainSize();
    void computeCoefficientMatrix(FloatMatrix &C);

    virtual void computeField(FloatArray &sigma, TimeStep *tStep);

    virtual void computeTangent(FloatMatrix &tangent, TimeStep *tStep);

    void computeXi();
 
    void scale(double s) override { mGradient.times(s); }
 
    const char *giveClassName() const override { return "TransportGradientDirichlet"; }
    const char *giveInputRecordName() const override { return _IFT_TransportGradientDirichlet_Name; }
};
} // end namespace oofem