coupledfieldselement.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
 */
#if 1
#ifndef coupledfieldselement_h
#define coupledfieldselement_h
 
#include "sm/Elements/nlstructuralelement.h"
 
namespace oofem {
class CoupledFieldsElement : public NLStructuralElement
{
protected:
    int nlGeo;
 
public:
    CoupledFieldsElement(int i, Domain *aDomain);
    virtual ~CoupledFieldsElement() {}
 
protected:
    virtual void computeNStressAt(GaussPoint *, FloatArray &) = 0;
    virtual void computeBStressAt(GaussPoint *, FloatArray &) = 0;
 
    double computeVolumeAround(GaussPoint *) override = 0;
    void computeStiffnessMatrix(FloatMatrix &, MatResponseMode, TimeStep *) override = 0;
    void giveInternalForcesVector(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord) override = 0;
 
    void computeVectorOfDofIDs(const IntArray &dofIdArray, ValueModeType valueMode, TimeStep *stepN, FloatArray &answer);
    void computeLocationArrayOfDofIDs(const IntArray &dofIdArray, IntArray &answer);
 
    void computeStiffnessMatrixGen(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep, 
        void (*Nfunc)(GaussPoint*, FloatMatrix), 
        void (*Bfunc)(GaussPoint*, FloatMatrix),
        void (*NStiffness)(FloatMatrix, MatResponseMode, GaussPoint*, TimeStep*), 
        void (*BStiffness)(FloatMatrix, MatResponseMode, GaussPoint*, TimeStep*),
        double (*volumeAround)(GaussPoint*) );
 
    void giveInternalForcesVectorGen(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord, 
        void (*Nfunc)(GaussPoint*, FloatMatrix), void (*Bfunc)(GaussPoint*, FloatMatrix, int, int), //(GaussPoint*, FloatMatrix)
        void (*NStress)(GaussPoint*, FloatArray), void (*BStress)(GaussPoint*, FloatArray),
        double (*volumeAround)(GaussPoint*) );
};
} // end namespace oofem
 
#endif
#endif