structuralinterfaceelementphf.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
 */
 
#ifndef structuralinterfaceelementphf_h
#define structuralinterfaceelementphf_h
 
#include "sm/Elements/Interfaces/structuralinterfaceelement.h"
#include "sm/CrossSections/structuralinterfacecrosssection.h"
#include "element.h"
#include "floatmatrix.h"
#include "function.h"
#include "matresponsemode.h"
#include "valuemodetype.h"
#include "integrationdomain.h"
#include "dofmantransftype.h"
 
namespace oofem {
class TimeStep;
class Node;
class StructuralInterfaceMaterial;
class GaussPoint;
class IntArray;
class FEInterpolation;
 

class StructuralInterfaceElementPhF : public StructuralInterfaceElement
{
protected:
    FEInterpolation *interpolation = nullptr;
 
    IntArray loc_u, loc_d;
 
public:
    StructuralInterfaceElementPhF(int n, Domain * d);
 
    //FEInterpolation *giveInterpolation() const override { return interpolation; };
 
    void computeStiffnessMatrix(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep) override;
 
    //Phf
    void computeStiffnessMatrix_uu(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep);
    void computeStiffnessMatrix_ud(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep);
    void computeStiffnessMatrix_dd(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep);
    void computeStiffnessMatrix_du(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep);
 
    void giveInternalForcesVector_u(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord = 0);
    void giveInternalForcesVector_d(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord = 0);    
 
    virtual void giveDofManDofIDMask_u(IntArray &answer) = 0;
    virtual void giveDofManDofIDMask_d(IntArray &answer) = 0;
    virtual void computeLocationArrayOfDofIDs( const IntArray &dofIdArray, IntArray &answer );
 
    virtual void getLocationArray_u( IntArray &answer )=0;
    virtual void getLocationArray_d( IntArray &answer )=0;
 
    //remove
    int computeNumberOfDofs() override;

    double internalLength;
    double giveInternalLength( ) { return internalLength; };
    //double criticalEnergy;
    //double giveCriticalEnergy() { return criticalEnergy; };
    //double relaxationTime;
    //double giveRelaxationTime( ) { return relaxationTime; };
    //double penaltyParameter;
    //double givePenaltyParameter() { return penaltyParameter; };
    //double psiBar0;
    //double givePsiBar0() { return psiBar0; };

    double computeFreeEnergy( GaussPoint *gp, TimeStep *tStep );
 
    virtual double computeDamageAt(GaussPoint *gp, ValueModeType valueMode, TimeStep *stepN);
 
    void computeDisplacementUnknowns(FloatArray &answer, ValueModeType valueMode, TimeStep *stepN);
    void computeDamageUnknowns(FloatArray &answer, ValueModeType valueMode, TimeStep *stepN);
 
    void computeBStress_u(FloatArray &answer, GaussPoint *gp, TimeStep *tStep, int useUpdatedGpRecord);
    void computeNStress_d( FloatArray &answer, GaussPoint *gp, TimeStep *tStep, int useUpdatedGpRecord );
 
    //Interpolation matrices for phase field
    virtual void computeBd_matrixAt(GaussPoint *, FloatMatrix &);
    virtual void computeNd_matrixAt(const FloatArray &lCoords, FloatMatrix &N);
 
    void giveInternalForcesVector(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord = 0) override;
    virtual void computeTraction(FloatArray &traction, IntegrationPoint *ip, FloatArray &jump, TimeStep *tStep);
    //virtual void computeSpatialJump(FloatArray &answer, GaussPoint *gp, TimeStep *tStep);
    //int giveIPValue(FloatArray &answer, GaussPoint *gp, InternalStateType type, TimeStep *tStep) override;
 
    virtual void computeCovarBaseVectorsAt(GaussPoint *gp, FloatMatrix &G) = 0;
 
    // Overloaded methods.
    void updateInternalState(TimeStep *tStep) override;
    void updateYourself(TimeStep *tStep) override;
    //int checkConsistency() override;
    //void initializeFrom(InputRecord &ir) override;
    //void giveInputRecord(DynamicInputRecord &input) override;
    const char *giveClassName() const override { return "StructuralInterfaceElementPhF"; };
 
    //StructuralInterfaceCrossSection *giveInterfaceCrossSection();
 
    //virtual methods that should be overloaded by the elements
    virtual void giveEngTraction(FloatArray &answer, GaussPoint *gp, const FloatArray &jump, double damage, TimeStep *tStep)
    {
        OOFEM_ERROR("not implemented for the current element");
    }
};
} // end namespace oofem
#endif // structuralinterfaceelement_h