fcm.h

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/*
 *
 *                 #####    #####   ######  ######  ###   ###
 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
 *            #####    #####   ##      ######  ##     ##
 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2016 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 fcm_h
#define fcm_h

#include "material.h"
#include "isolinearelasticmaterial.h"
#include "structuralmaterial.h"
#include "structuralms.h"
#include "intarray.h"


#define _IFT_FCM_nAllowedCracks "ncracks"
#define _IFT_FCM_crackSpacing "crackspacing"
#define _IFT_FCM_multipleCrackShear "multiplecrackshear"
#define _IFT_FCM_ecsm "ecsm"


namespace oofem {
// crack statuses
#define pscm_NONE 0
#define pscm_JUST_INIT 1
#define pscm_SOFTENING 2
#define pscm_UNLO_RELO 3
#define pscm_CLOSED 4

#define fcm_SMALL_STRAIN 1.e-12
#define fcm_BIGNUMBER 1.e6
#define fcm_TOLERANCE 1.e-6


class FCMMaterialStatus : public StructuralMaterialStatus
{
protected:
    IntArray crackStatuses, tempCrackStatuses;
    FloatArray maxCrackStrains, tempMaxCrackStrains;
    FloatArray crackStrainVector, tempCrackStrainVector;
    FloatMatrix crackDirs;
    FloatArray charLengths;

    FloatMatrix transMatrix_G2Lstress;
    FloatMatrix transMatrix_G2Lstrain;
    FloatMatrix transMatrix_L2Gstress;
    FloatMatrix transMatrix_L2Gstrain;

    int nMaxCracks;

public:
    FCMMaterialStatus(int n, Domain *d, GaussPoint *g);
    virtual ~FCMMaterialStatus();
    virtual void printOutputAt(FILE *file, TimeStep *tStep);
    virtual int giveNumberOfCracks() const;
    virtual int giveNumberOfTempCracks() const;

    const FloatArray &giveMaxCrackStrainVector() { return maxCrackStrains; }
    double giveMaxCrackStrain(int icrack) { return maxCrackStrains.at(icrack); }
    void setMaxCrackStrain(int icrack, double val) { maxCrackStrains.at(icrack) = val; }

    double giveTempMaxCrackStrain(int icrack) { return tempMaxCrackStrains.at(icrack); }
    void setTempMaxCrackStrain(int icrack, double val) { tempMaxCrackStrains.at(icrack) = val; }

    const IntArray &giveTempCrackStatus() { return tempCrackStatuses; }
    int giveTempCrackStatus(int icrack) const { return tempCrackStatuses.at(icrack); }
    void setTempCrackStatus(int icrack, int val) { tempCrackStatuses.at(icrack) = val; }
    int giveCrackStatus(int icrack) const { return crackStatuses.at(icrack); }

    const FloatArray &giveCrackStrainVector() const { return crackStrainVector; }
    const FloatArray &giveTempCrackStrainVector() { return tempCrackStrainVector; }
    double giveCrackStrain(int icrack) const { return crackStrainVector.at(icrack); }
    double giveTempCrackStrain(int icrack) const { return tempCrackStrainVector.at(icrack); }
    void setTempCrackStrainVector(FloatArray a) { tempCrackStrainVector = std :: move(a); }
    void setTempCrackStrain(int icrack, double val) { tempCrackStrainVector.at(icrack) = val; }
    void setCrackStrainVector(FloatArray a) { crackStrainVector = std :: move(a); }
    void setG2LStressVectorTransformationMtrx(FloatMatrix t) { transMatrix_G2Lstress = std :: move(t); }
    void setG2LStrainVectorTransformationMtrx(FloatMatrix s) { transMatrix_G2Lstrain = std :: move(s); }
    void setL2GStressVectorTransformationMtrx(FloatMatrix t) { transMatrix_L2Gstress = std :: move(t); }
    void setL2GStrainVectorTransformationMtrx(FloatMatrix s) { transMatrix_L2Gstrain = std :: move(s); }

    const FloatMatrix &giveG2LStressVectorTransformationMtrx() { return transMatrix_G2Lstress; }
    const FloatMatrix &giveG2LStrainVectorTransformationMtrx() { return transMatrix_G2Lstrain; }
    const FloatMatrix &giveL2GStressVectorTransformationMtrx() { return transMatrix_L2Gstress; }
    const FloatMatrix &giveL2GStrainVectorTransformationMtrx() { return transMatrix_L2Gstrain; }

    double giveCharLength(int icrack) const {
        if ( icrack ) {
            return charLengths.at(icrack);
        } else {
            return 0.0;
        }
    }
    void setCharLength(int icrack, double val) { charLengths.at(icrack) = val; }
    const FloatMatrix &giveCrackDirs() { return crackDirs; }
    const IntArray &giveCrackStatus() { return crackStatuses; }
    void setCrackDirs(FloatMatrix a) { crackDirs = std :: move(a); }
    virtual int giveMaxNumberOfCracks(GaussPoint *gp);

    // definition
    virtual const char *giveClassName() const { return "FCMMaterialStatus"; }

    virtual void initTempStatus();
    virtual void updateYourself(TimeStep *tStep);

    virtual contextIOResultType saveContext(DataStream &stream, ContextMode mode, void *obj = NULL);
    virtual contextIOResultType restoreContext(DataStream &stream, ContextMode mode, void *obj = NULL);
};

class FCMMaterial : public StructuralMaterial
{
protected:
    IsotropicLinearElasticMaterial *linearElasticMaterial;

public:
    FCMMaterial(int n, Domain *d);
    virtual ~FCMMaterial();

    // identification and auxiliary functions
    virtual int hasNonLinearBehaviour() { return 1; }
    virtual int hasMaterialModeCapability(MaterialMode mode);

    virtual const char *giveClassName() const { return "FCMMaterial"; }

    virtual IRResultType initializeFrom(InputRecord *ir);

    virtual double give(int aProperty, GaussPoint *gp);

    IsotropicLinearElasticMaterial *giveLinearElasticMaterial() { return linearElasticMaterial; }

    virtual void give3dMaterialStiffnessMatrix(FloatMatrix &answer,
                                               MatResponseMode mode,
                                               GaussPoint *gp,
                                               TimeStep *tStep);


    virtual void givePlaneStressStiffMtrx(FloatMatrix &answer,
                                          MatResponseMode mmode,
                                          GaussPoint *gp,
                                          TimeStep *tStep);

    virtual void givePlaneStrainStiffMtrx(FloatMatrix &answer,
                                          MatResponseMode mmode,
                                          GaussPoint *gp,
                                          TimeStep *tStep);

    virtual void giveRealStressVector(FloatArray &answer, GaussPoint *gp,
                                      const FloatArray &reducedStrain, TimeStep *tStep);

    virtual void initializeCrack(GaussPoint *gp, FloatMatrix &base, int nCrack);

    virtual void giveRealStressVector_3d(FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
    { this->giveRealStressVector(answer, gp, reducedE, tStep); }
    virtual void giveRealStressVector_PlaneStrain(FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
    { this->giveRealStressVector(answer, gp, reducedE, tStep); }
    virtual void giveRealStressVector_PlaneStress(FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
    { this->giveRealStressVector(answer, gp, reducedE, tStep); }
    virtual void giveRealStressVector_1d(FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
    { this->giveRealStressVector(answer, gp, reducedE, tStep); }
    virtual void giveRealStressVector_2dBeamLayer(FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
    { this->giveRealStressVector(answer, gp, reducedE, tStep); }
    virtual void giveRealStressVector_PlateLayer(FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
    { this->giveRealStressVector(answer, gp, reducedE, tStep); }


    virtual int giveIPValue(FloatArray &answer, GaussPoint *gp, InternalStateType type, TimeStep *tStep);

    virtual double computeNormalCrackOpening(GaussPoint *gp, int i);
    virtual double computeMaxNormalCrackOpening(GaussPoint *gp, int i);

    virtual double computeShearSlipOnCrack(GaussPoint *gp, int i);

    virtual MaterialStatus *CreateStatus(GaussPoint *gp) const { return new FCMMaterialStatus(1, domain, gp); }

protected:

    int nAllowedCracks;

    ElementCharSizeMethod ecsMethod;

    bool multipleCrackShear;

    virtual double giveTensileStrength(GaussPoint *gp) = 0;

    virtual void checkSnapBack(GaussPoint *gp, int crack) = 0;

    virtual void updateCrackStatus(GaussPoint *gp);

    virtual double giveNormalCrackingStress(GaussPoint *gp, double eps_cr, int i) = 0;

    virtual double giveCharacteristicElementLength(GaussPoint *gp, const FloatArray &crackPlaneNormal);

    virtual double giveCrackingModulus(MatResponseMode rMode, GaussPoint *gp, int i) = 0;

    virtual double computeEffectiveShearModulus(GaussPoint *gp, int i) = 0;

    virtual double computeTotalD2Modulus(GaussPoint *gp, int i);

    virtual double computeD2ModulusForCrack(GaussPoint *gp, int icrack) = 0;

    virtual double maxShearStress(GaussPoint *gp, int i) = 0;

    virtual bool isIntactForShear(GaussPoint *gp, int i);

    virtual bool isIntact(GaussPoint *gp, int icrack);

    virtual bool checkStrengthCriterion(FloatMatrix &newBase, const FloatArray &globalStress, GaussPoint *gp, TimeStep *tStep, int nCrack);

    virtual bool isStrengthExceeded(const FloatMatrix &base, GaussPoint *gp, TimeStep *tStep, int iCrack, double trialStress);

    virtual double computeShearStiffnessRedistributionFactor(GaussPoint *gp, int ithCrackPlane, int jthCrackDirection);

    double crackSpacing;

    virtual double giveCrackSpacing(void);

    virtual double giveNumberOfCracksInDirection(GaussPoint *gp, int iCrack);

    virtual double giveNumberOfCracksForShearDirection(GaussPoint *gp, int i);


    virtual void giveMaterialStiffnessMatrix(FloatMatrix & answer, MatResponseMode,
                                             GaussPoint * gp,
                                             TimeStep * tStep);

    virtual void giveLocalCrackedStiffnessMatrix(FloatMatrix &answer,
                                                 MatResponseMode rMode,
                                                 GaussPoint *gp, TimeStep *tStep);

    virtual double computeOverallElasticStiffness(void) { return linearElasticMaterial->giveYoungsModulus(); }

    virtual double computeOverallElasticShearModulus(void) { return linearElasticMaterial->giveShearModulus(); }
};
} // end namespace oofem
#endif // fcm_h