qtrplanstrssxfem.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 QTRPLANSTRSSXFEM_H_
#define QTRPLANSTRSSXFEM_H_
 
#include "sm/Elements/PlaneStress/qtrplstr.h"
#include "sm/xfem/xfemstructuralelementinterface.h"
#include "vtkxmlexportmodule.h"
 
#include "domain.h"
 
#define _IFT_QTrPlaneStress2dXFEM_Name "qtrplanestress2dxfem"
#define _IFT_QTrPlaneStress2dXFEM_RegCoeff "reg_coeff"
#define _IFT_QTrPlaneStress2dXFEM_RegCoeffTol "reg_coeff_tol"
 
namespace oofem {
class ParamKey;

class QTrPlaneStress2dXFEM : public QTrPlaneStress2d, public XfemStructuralElementInterface, public VTKXMLExportModuleElementInterface
{
protected:
    void updateYourself(TimeStep *tStep) override;
    void postInitialize() override;
 
    double mRegCoeff, mRegCoeffTol;
    
    static ParamKey IPK_QTrPlaneStress2dXFEM_RegCoeff;
    static ParamKey IPK_QTrPlaneStress2dXFEM_RegCoeffTol;
public:
    QTrPlaneStress2dXFEM(int n, Domain * d) : QTrPlaneStress2d(n, d), XfemStructuralElementInterface(this), VTKXMLExportModuleElementInterface() { numberOfDofMans = 6; mRegCoeff = 1.0e-6; mRegCoeffTol = 1.0e-6; }
    virtual ~QTrPlaneStress2dXFEM();
 
    Interface *giveInterface(InterfaceType it) override;
 
    const char *giveInputRecordName() const override { return _IFT_QTrPlaneStress2dXFEM_Name; }
    const char *giveClassName() const override { return "QTrPlaneStress2dXFEM"; }
 
    int computeNumberOfDofs() override;
    void computeGaussPoints() override;
    void computeNmatrixAt(const FloatArray &iLocCoord, FloatMatrix &answer) override;
    void computeBmatrixAt(GaussPoint *gp, FloatMatrix &answer,
                          int lowerIndx = 1, int upperIndx = ALL_STRAINS) override;
    void computeBHmatrixAt(GaussPoint *gp, FloatMatrix &answer) override;
 
    void giveDofManDofIDMask(int inode, IntArray &answer) const override;
    void computeConstitutiveMatrixAt(FloatMatrix &answer, MatResponseMode rMode, GaussPoint *, TimeStep *tStep) override;
    void computeStressVector(FloatArray &answer, const FloatArray &strain, GaussPoint *gp, TimeStep *tStep) override;
    void computeStiffnessMatrix(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep) override;
 
    void computeDeformationGradientVector(FloatArray &answer, GaussPoint *gp, TimeStep *tStep) override;
 
    void giveInternalForcesVector(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord) override;
    void computeConsistentMassMatrix(FloatMatrix &answer, TimeStep *tStep, double &mass, const double *ipDensity = NULL) override { XfemStructuralElementInterface :: XfemElementInterface_computeConsistentMassMatrix(answer, tStep, mass, ipDensity); }
 
    Element_Geometry_Type giveGeometryType() const override;
 
    void initializeFrom(InputRecord &ir, int priority) override;
    MaterialMode giveMaterialMode() override;
    void giveInputRecord(DynamicInputRecord &input) override;
 
    void computeField(ValueModeType mode, TimeStep *tStep, const FloatArray &lcoords, FloatArray &answer) override;

    void giveCompositeExportData(std::vector< ExportRegion > &vtkPieces, IntArray &primaryVarsToExport, IntArray &internalVarsToExport, IntArray cellVarsToExport, TimeStep *tStep) override;
 
protected:
    int giveNumberOfIPForMassMtrxIntegration() override { return 6; } // TODO: Check
};
 
} /* namespace OOFEM */
#endif /* QTRPLANSTRSSXFEM_H_ */