compodamagemat.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 compodamagemat_h
#define compodamagemat_h
 
#include "material.h"
#include "sm/Materials/linearelasticmaterial.h"
#include "sm/Materials/structuralmaterial.h"
#include "sm/Materials/structuralms.h"
#include "intarray.h"
#include "floatarray.h"
#include "cltypes.h"


#define _IFT_CompoDamageMat_Name "compdammat"
#define _IFT_CompoDamageMat_exx "exx"
#define _IFT_CompoDamageMat_eyyezz "eyyezz"
#define _IFT_CompoDamageMat_nuxynuxz "nuxynuxz"
#define _IFT_CompoDamageMat_nuyz "nuyz"
#define _IFT_CompoDamageMat_Gxy "gxygxz"
#define _IFT_CompoDamageMat_tension_f0_gf "tension_f0_gf"
#define _IFT_CompoDamageMat_compres_f0_gf "compres_f0_gf"
#define _IFT_CompoDamageMat_afteriter "afteriter"
#define _IFT_CompoDamageMat_allowSnapBack "allowsnapback"
 
namespace oofem {
class CompoDamageMatStatus : public StructuralMaterialStatus
{
public:
    CompoDamageMatStatus(GaussPoint * g);
 
    void printOutputAt(FILE *file, TimeStep *tStep) const override;
 
    void initTempStatus() override;
 
    void updateYourself(TimeStep *tStep) override;
 
    //tempVal are values used during iteration, Val are equilibrated values, updated after last iteration in previous time step

    FloatArray tempKappa;

    FloatArray kappa;

    FloatArray tempOmega;

    IntArray hasSnapBack;

    FloatArray omega;

    int Iteration = 0;

    FloatArray initDamageStress;
    FloatArray strainAtMaxStress;
    FloatArray maxStrainAtZeroStress;

    FloatArray tempStressMLCS;

    FloatArray elemCharLength;
 
    void saveContext(DataStream &stream, ContextMode mode) override;
    void restoreContext(DataStream &stream, ContextMode mode) override;
 
    const char *giveClassName() const override { return "CompoDamageMatStatus"; }
};
 
 

class CompoDamageMat : public StructuralMaterial
{
public:
    CompoDamageMat(int n, Domain * d);
 
    const char *giveClassName() const override { return "CompositeDamageMaterial"; }
    const char *giveInputRecordName() const override { return _IFT_CompoDamageMat_Name; }
 
    void initializeFrom(InputRecord &ir) override;
    void giveInputRecord(DynamicInputRecord &input) override;
 
    std::unique_ptr<MaterialStatus> CreateStatus(GaussPoint *gp) const override { return std::make_unique<CompoDamageMatStatus>(gp); }
 
    FloatMatrixF<6,6> give3dMaterialStiffnessMatrix(MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep) const override;
 
    void giveRealStressVector(FloatArray &answer, GaussPoint *gp,
                              const FloatArray &, TimeStep *tStep) const override;
 
    FloatArrayF<6> giveRealStressVector_3d(const FloatArrayF<6> &strain, GaussPoint *gp, TimeStep *tStep) const override
    {
        FloatArray answer;
        const_cast<CompoDamageMat*>(this)->giveRealStressVector(answer, gp, strain, tStep);
        return answer;
    }
    FloatArrayF<1> giveRealStressVector_1d(const FloatArrayF<1> &strain, GaussPoint *gp, TimeStep *tStep) const override
    {
        FloatArray answer;
        const_cast<CompoDamageMat*>(this)->giveRealStressVector(answer, gp, strain, tStep);
        return answer;
    }
 
    int giveIPValue(FloatArray &answer, GaussPoint *gp, InternalStateType type, TimeStep *tStep) override;

    int afterIter = 0;
 
protected:
    FloatMatrixF<6,6> giveUnrotated3dMaterialStiffnessMatrix(MatResponseMode mode, GaussPoint *gp) const;
    int giveMatStiffRotationMatrix(FloatMatrixF<6,6> &answer, GaussPoint *gp) const;

    mutable FloatArray inputTension;
    mutable FloatArray inputCompression;

    IntArray allowSnapBack;

    void giveCharLength(CompoDamageMatStatus *status, GaussPoint *gp, FloatMatrix &elementCs) const;
    void giveCharLengthForModes(FloatArray &charLenModes, GaussPoint *gp) const;
    void checkSnapBack(GaussPoint *gp, MaterialMode mMode) const;
};
} // end namespace oofem
#endif // compodamagemat_h