qtrplanestraingraddamage.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 qtrplanestraingraddamage_h
#define qtrplanestraingraddamage_h
 
#include "../sm/Elements/PlaneStrain/qtrplanestrain.h"
#include "../sm/Elements/GradientDamage/graddamageelement.h"
 
namespace oofem {
class FEI2dTrLin;
 
class QTrPlaneStrainGradDamage : public QTrPlaneStrain, public GradientDamageElement
{
protected:
    static FEI2dTrLin interpolation_lin;
 
public:
    QTrPlaneStrainGradDamage(int n, Domain * d);
    virtual ~QTrPlaneStrainGradDamage() { }
 
    void initializeFrom(InputRecord &ir, int priority) override;
 
    //const char *giveInputRecordName() const override { return _IFT_QtrPlaneStrainGradDamage_Name; }
    const char *giveClassName() const override { return "QTrPlaneStrainGrad"; }
 
protected:
    void computeBdMatrixAt(GaussPoint *gp, FloatMatrix &answer) override;
    void computeNdMatrixAt(GaussPoint *gp, FloatArray &answer) override;
    void computeStiffnessMatrix(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep) override { GradientDamageElement :: computeStiffnessMatrix(answer, rMode, tStep); }
    void giveInternalForcesVector(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord = 0) override { GradientDamageElement :: giveInternalForcesVector(answer, tStep, useUpdatedGpRecord); }
 
    int computeNumberOfDofs() override { return 15; }
    void computeGaussPoints() override;
    void giveDofManDofIDMask(int inode, IntArray &) const override;
    void giveDofManDofIDMask_u(IntArray &answer) const override;
    void giveDofManDofIDMask_d(IntArray &answer) const override;
    
    StructuralElement *giveStructuralElement() override { return this; }
    NLStructuralElement *giveNLStructuralElement() override { return this; }
};
} // end namespace oofem
#endif // qtrplanestraingrad_h