intmatbilinczfagerstrom.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 intmatbilinearczmaterialFagerstrom_h
#define intmatbilinearczmaterialFagerstrom_h
 
#include "structuralinterfacematerial.h"
#include "structuralinterfacematerialstatus.h"


#define _IFT_IntMatBilinearCZFagerstrom_Name "intmatbilinearczfagerstrom"
#define _IFT_IntMatBilinearCZFagerstrom_kn "kn"
#define _IFT_IntMatBilinearCZFagerstrom_ks "ks"
#define _IFT_IntMatBilinearCZFagerstrom_knc "knc"
#define _IFT_IntMatBilinearCZFagerstrom_g1c "g1c"
#define _IFT_IntMatBilinearCZFagerstrom_g2c "g2c"
#define _IFT_IntMatBilinearCZFagerstrom_mu "mu"
#define _IFT_IntMatBilinearCZFagerstrom_gamma "gamma"
#define _IFT_IntMatBilinearCZFagerstrom_sigf "sigf"
 
namespace oofem {
class IntMatBilinearCZFagerstromStatus : public StructuralInterfaceMaterialStatus
{
protected:
    // material jump
    FloatArrayF<3> oldMaterialJump;
    // temporary material jump
    FloatArrayF<3> tempMaterialJump;
 
    // damage variable
    double damage = 0.;
    // temporary damage value
    double tempDamage = 0.;
 
    // Effective Mandel traction
    FloatArrayF<3> QEffective;
    // Temporary effective Mandel traction
    FloatArrayF<3> tempQEffective;
 
    // Temporary inverse of deformation gradient
    FloatMatrixF<3,3> tempFInv;
 
    // Temporary array for coordinate transformation
    FloatMatrixF<3,3> tempRot;
 
    // tempArrays for stiffness calculation
    FloatMatrixF<3,3> Iep;
    FloatArrayF<3> alphav;
 
    // indicator for davae development of preceding time step
    bool tempDamageDev = false;
    bool oldDamageDev = false;
 
    // tangent stiffness from previous time step
    FloatMatrixF<3,3> temp_dTdJ;
    FloatMatrixF<3,3> old_dTdJ;
 
public:
    IntMatBilinearCZFagerstromStatus(GaussPoint * g);
 
    void printOutputAt(FILE *file, TimeStep *tStep) const override;
 
    const char *giveClassName() const override { return "IntMatBilinearCZFagerstromStatus"; }
 
    double giveDamage() const override { return damage; }
    double giveTempDamage() const override { return tempDamage; }
    bool giveOldDamageDev() const { return oldDamageDev; }
 
    const FloatArrayF<3> &giveOldMaterialJump() const { return oldMaterialJump; }
    const FloatArrayF<3> &giveTempMaterialJump() const { return tempMaterialJump; }
 
    const FloatArrayF<3> &giveEffectiveMandelTraction() const { return QEffective; }
    const FloatArrayF<3> &giveTempEffectiveMandelTraction() const { return tempQEffective; }
 
    const FloatMatrixF<3,3> &giveTempInverseDefGrad() const { return tempFInv; }
    const FloatMatrixF<3,3> &giveTempRotationMatrix() const { return tempRot; }
    const FloatMatrixF<3,3> &giveTempIep() const { return Iep; }
    const FloatArrayF<3> &giveTempAlphav() const { return alphav; }
    const FloatMatrixF<3,3> &giveOlddTdJ() const { return old_dTdJ; }
 
 
    void letTempDamageBe(double v) { tempDamage = v; }
    void letTempDamageDevBe(bool v) { tempDamageDev = v; }
    void letOldDamageDevBe(bool v) { oldDamageDev = v; }
    void letTempEffectiveMandelTractionBe(const FloatArrayF<3> &v) { tempQEffective = v; }
    void letTempMaterialJumpBe(const FloatArrayF<3> &v) { tempMaterialJump = v; }
 
    void letTempdTdJBe(const FloatMatrixF<3,3> &v) { temp_dTdJ = v; }
 
    void letTempInverseDefGradBe(const FloatMatrixF<3,3> &v) { tempFInv = v; }
    void letTempRotationMatrix(const FloatMatrixF<3,3> &v) { tempRot = v; }
    void letTempIepBe(const FloatMatrixF<3,3> &v) { Iep = v; }
    void letTempAlphavBe(const FloatArrayF<3> &v) { alphav = v; }
 
    void initTempStatus() override;
    void updateYourself(TimeStep *tStep) override;
 
    //void saveContext(DataStream &stream, ContextMode mode) override;
    //void restoreContext(DataStream &stream, ContextMode mode) override;
};
 

class IntMatBilinearCZFagerstrom : public StructuralInterfaceMaterial
{
protected:
    double kn0 = 0.;   // initial normal stiffness
    double ks0 = 0.;   // initial shear stiffness
    double knc = 0.;   // stiffness in compression
    double GIc = 0.;   // fracture energy, mode 1
    double GIIc = 0.;  // fracture energy, mode 1
    double sigf = 0.;  // max stress
 
    double mu = 0.;    // loading function parameter
    double gamma = 0.; // loading function parameter
 
 
    int checkConsistency() override;
    void give3dInterfaceMaterialStiffnessMatrix(FloatMatrix &answer, MatResponseMode rMode,
                                                GaussPoint *gp, TimeStep *tStep);
 
public:
    IntMatBilinearCZFagerstrom(int n, Domain * d);
 
    const char *giveClassName() const override { return "IntMatBilinearCZFagerstrom"; }
    const char *giveInputRecordName() const override { return _IFT_IntMatBilinearCZFagerstrom_Name; }
 
    FloatArrayF<3> giveFirstPKTraction_3d(const FloatArrayF<3> &jump, const FloatMatrixF<3,3> &F, GaussPoint *gp, TimeStep *tStep) const override;
    FloatMatrixF<3,3> give3dStiffnessMatrix_dTdj(MatResponseMode rMode, GaussPoint *gp, TimeStep *tStep) const override;

    bool hasAnalyticalTangentStiffness() const override { return true; }
 
    void initializeFrom(InputRecord &ir) override;
    void giveInputRecord(DynamicInputRecord &input) override;
 
    FloatArray giveInterfaceStrength() override { return {this->sigf*this->gamma,this->sigf*this->gamma,this->sigf}; }
 
    std::unique_ptr<MaterialStatus> CreateStatus(GaussPoint *gp) const override { return std::make_unique<IntMatBilinearCZFagerstromStatus>(gp); }
    void printYourself() override;
};
} // end namespace oofem
#endif // isointerfacedamage01_h