mpsdammat.h

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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
 */
 
//   ***********************************************************************************
//   ***   CLASS Damage extension of MPS model for creep and shrinakge of concrete   ***
//   ***********************************************************************************
 
#ifndef mpsdammat_h
#define mpsdammat_h
 
#include "mps.h"
 
#define supplementary_info


#define _IFT_MPSDamMaterial_Name "mpsdammat"
//prediction of tensile strength and fracture energy accroding to fib MC2010
#define _IFT_MPSDamMaterial_timedepfracturing "timedepfracturing"
#define _IFT_MPSDamMaterial_fib_s "fib_s"
 
#define _IFT_MPSDamMaterial_isotropic "isotropic"
 
#define _IFT_MPSDamMaterial_maxOmega "maxomega"
 
#define _IFT_MPSDamMaterial_damageLaw "damlaw"
#define _IFT_MPSDamMaterial_checkSnapBack "checksnapback"
#define _IFT_MPSDamMaterial_ft "ft"
#define _IFT_MPSDamMaterial_gf "gf"
 
#define _IFT_MPSDamMaterial_ft28 "ft28"
#define _IFT_MPSDamMaterial_gf28 "gf28"

 
namespace oofem {
#define MPSDAMMAT_ITERATION_LIMIT 1.e-9

class MPSDamMaterialStatus : public MPSMaterialStatus
{
protected:
    FloatArray effectiveStressVector;
    FloatArray tempEffectiveStressVector;
    double kappa = 0.;
    double tempKappa = 0.;
    double damage = 0.;
    double tempDamage = 0.;

    double charLength = 0.;
    FloatArray crackVector;

    double var_e0 = 0.;
    double var_gf = 0.;
 
#ifdef supplementary_info
    double crackWidth = 0.;
    double residTensileStrength = 0.;
#endif
 
public:
    MPSDamMaterialStatus(GaussPoint *g, int nunits);
 
    const FloatArray &giveViscoelasticStressVector() const override { return effectiveStressVector; }
    void letTempViscoelasticStressVectorBe(FloatArray v) { tempEffectiveStressVector = std :: move(v); }
    virtual const FloatArray &giveTempViscoelasticStressVector() const { return tempEffectiveStressVector; }

    double giveKappa() const { return kappa; }
    double giveTempKappa() const { return tempKappa; }
    void setTempKappa(double newKappa) { tempKappa = newKappa; }
    double giveDamage() const { return damage; }
    double giveTempDamage() const { return tempDamage; }
    void setTempDamage(double newDamage) { tempDamage = newDamage; }

    double giveCharLength() const { return charLength; }
    void setCharLength(double length) { charLength = length; }
    void giveCrackVector(FloatArray &answer) const;
    void setCrackVector(FloatArray cv) { crackVector = cv; }
 
    void sete0(double e0) { var_e0 = e0; }
    void setgf(double gf) { var_gf = gf; }
    double givee0() const { return var_e0; }
    double givegf() const { return var_gf; }
 
    void printOutputAt(FILE *file, TimeStep *tStep) const override;
    void initTempStatus() override;
    void updateYourself(TimeStep *tStep) override;
 
#ifdef supplementary_info
    void setCrackWidth(double src) { crackWidth = src; }
    double giveCrackWidth(void) { return crackWidth; }
    void setResidualTensileStrength(double src) { residTensileStrength = src; }
    double giveResidualTensileStrength(void) { return residTensileStrength; }
#endif
 
    void saveContext(DataStream &stream, ContextMode mode) override;
    void restoreContext(DataStream &stream, ContextMode mode) override;
 
    // definition
    const char *giveClassName() const override { return "MPSDamMaterialStatus"; }
 
protected:
    virtual void initDamaged(double kappa, FloatArray &totalStrainVector, GaussPoint *gp) { }
};
 

class MPSDamMaterial : public MPSMaterial
{
protected:
 
    bool timeDepFracturing = false;
    double fib_s = 0.;
    double fib_fcm28 = 0.;
    bool isotropic = false;

    mutable double E = -1.;

    double maxOmega = 0.999999;

    //double const_e0;

    double ft = 0.;

    double const_gf = 0.;

    int checkSnapBack = 1;

    enum SofteningType { ST_Exponential_Cohesive_Crack, ST_Linear_Cohesive_Crack, ST_Disable_Damage };
    SofteningType softType = ST_Exponential_Cohesive_Crack;

    ElementCharSizeMethod ecsMethod = ECSM_Projection;

    double ft28 = 0.;
    double gf28 = 0.;
 
public:
    MPSDamMaterial(int n, Domain *d);
 
    bool hasMaterialModeCapability(MaterialMode mode) const override;
 
    const char *giveInputRecordName() const override { return _IFT_MPSDamMaterial_Name; }
    const char *giveClassName() const override { return "MPSDamMaterial"; }
 
    void initializeFrom(InputRecord &ir) override;
 
    int giveIPValue(FloatArray &answer, GaussPoint *gp, InternalStateType type, TimeStep *tStep) override;
 
    void giveRealStressVector(FloatArray &answer, GaussPoint *gp, const FloatArray &reducedStrain, TimeStep *tStep) const override;
 
    double givee0(GaussPoint *gp) const;
    double givegf(GaussPoint *gp) const;

    void initDamaged(double kappa, FloatArray &totalStrainVector, GaussPoint *gp, TimeStep *tStep) const;
 
    void initDamagedFib(GaussPoint *gp, TimeStep *tStep) const;
 
    //void computeEquivalentStrain(double &kappa, const FloatArray &strain, GaussPoint *gp, TimeStep *tStep);

    double computeDamage(double kappa, GaussPoint *gp) const;

    double computeDamageForCohesiveCrack(double kappa, GaussPoint *gp) const;
 
    std::unique_ptr<MaterialStatus> CreateStatus(GaussPoint *gp) const override;
 
 
    virtual double computeTensileStrength(double equivalentTime) const;
    virtual double computeFractureEnergy(double equivalentTime) const;
 
    FloatMatrixF<6,6> give3dMaterialStiffnessMatrix(MatResponseMode mode, GaussPoint *gp,
                                                    TimeStep *tStep) const override;
 
    FloatMatrixF<3,3> givePlaneStressStiffMtrx(MatResponseMode mode, GaussPoint *gp,
                                               TimeStep *tStep) const override;
 
    FloatMatrixF<4,4> givePlaneStrainStiffMtrx(MatResponseMode mode, GaussPoint *gp,
                                               TimeStep *tStep) const override;
 
    FloatMatrixF<1,1> give1dStressStiffMtrx(MatResponseMode mode, GaussPoint *gp,
                                            TimeStep *tStep) const override;
};
} // end namespace oofem
#endif // mpsdammat_h