graddpelement.h

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/*
 *
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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 graddpelement_h
#define graddpelement_h
 
#include "sm/Elements/structuralelement.h"
#include "sm/Elements/nlstructuralelement.h"
 
namespace oofem {
class GradDpElement
{
protected:
    int nPrimNodes, nPrimVars, nSecNodes, nSecVars;
    IntArray locU, locK;
    int totalSize, nlSize, locSize;
 
public:
    GradDpElement();
    virtual ~GradDpElement() { }
 
protected:
    virtual StructuralElement *giveStructuralElement() = 0;
    virtual NLStructuralElement *giveNLStructuralElement() = 0;
 
    virtual void computeNkappaMatrixAt(GaussPoint *gp, FloatArray &answer) = 0;
    virtual void computeBkappaMatrixAt(GaussPoint *gp, FloatMatrix &answer) = 0;
    void setDisplacementLocationArray();
    void setNonlocalLocationArray();
 
    void computeStiffnessMatrix(FloatMatrix &, MatResponseMode, TimeStep *);
    void computeStiffnessMatrix_uu(FloatMatrix &, MatResponseMode, TimeStep *);
    void computeStiffnessMatrix_uk(FloatMatrix &, MatResponseMode, TimeStep *);
    void computeStiffnessMatrix_kk(FloatMatrix &, MatResponseMode, TimeStep *);
    void computeStiffnessMatrix_ku(FloatMatrix &, MatResponseMode, TimeStep *);
 
    void computeDisplacementDegreesOfFreedom(FloatArray &answer, TimeStep *tStep);
    void computeNonlocalDegreesOfFreedom(FloatArray &answer, TimeStep *tStep);
    void computeNonlocalGradient(FloatArray &answer, GaussPoint *gp, TimeStep *tStep);
 
    void computeLocalStrainVector(FloatArray &answer, GaussPoint *gp, TimeStep *tStep);
    void computeDeformationGradientVector(FloatArray &answer, GaussPoint *gp, TimeStep *tStep);
    void computeNonlocalCumulatedStrain(double &answer, GaussPoint *gp, TimeStep *tStep);
 
    void giveInternalForcesVector(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord);
    void giveLocalInternalForcesVector(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord);
    void giveNonlocalInternalForcesVector(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord);
 
    void computeStressVectorAndLocalCumulatedStrain(FloatArray &answer, double localCumulatedPlasticStrain, GaussPoint *gp, TimeStep *tStep);
 
    void computeDistanceToBoundary();
};
} // end namespace oofem
 
#endif