misesmat.h

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/*
 *
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 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
 *            #####    #####   ##      ######  ##     ##
 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2013   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 misesmat_h
#define misesmat_h

#include "../sm/Materials/structuralmaterial.h"
#include "../sm/Materials/structuralms.h"
#include "Materials/linearelasticmaterial.h"
#include "dictionary.h"
#include "floatarray.h"
#include "floatmatrix.h"
#include "scalarfunction.h"


#define _IFT_MisesMat_Name "misesmat"
#define _IFT_MisesMat_sig0 "sig0"
#define _IFT_MisesMat_h "h"
#define _IFT_MisesMat_omega_crit "omega_crit"
#define _IFT_MisesMat_a "a"


namespace oofem {
class GaussPoint;
class Domain;

class MisesMat : public StructuralMaterial
{
protected:
    LinearElasticMaterial *linearElasticMaterial;

    double G;

    double K;

    double H;

    ScalarFunction sig0;

    double omega_crit;
    double a;

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

    void performPlasticityReturn(GaussPoint *gp, const FloatArray &totalStrain, TimeStep *tStep);
    double computeDamage(GaussPoint *gp, TimeStep *tStep);
    double computeDamageParam(double tempKappa);
    double computeDamageParamPrime(double tempKappa);
    virtual void computeCumPlastStrain(double &kappa, GaussPoint *gp, TimeStep *tStep);

    virtual IRResultType initializeFrom(InputRecord *ir);

    virtual int hasNonLinearBehaviour() { return 1; }
    virtual bool isCharacteristicMtrxSymmetric(MatResponseMode rMode) { return false; }

    virtual const char *giveInputRecordName() const { return _IFT_MisesMat_Name; }
    virtual const char *giveClassName() const { return "MisesMat"; }

    LinearElasticMaterial *giveLinearElasticMaterial() { return linearElasticMaterial; }

    virtual MaterialStatus *CreateStatus(GaussPoint *gp) const;

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

    virtual void give1dStressStiffMtrx(FloatMatrix &answer, MatResponseMode mode, GaussPoint *gp, TimeStep *tStep); 
    virtual void give3dMaterialStiffnessMatrix_dPdF(FloatMatrix &answer,
                                                    MatResponseMode mode,
                                                    GaussPoint *gp,
                                                    TimeStep *tStep);

    virtual void giveRealStressVector_3d(FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep);
    virtual void giveRealStressVector_1d(FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep);

    virtual void giveFirstPKStressVector_3d(FloatArray &answer, GaussPoint *gp, const FloatArray &vF, TimeStep *tStep);

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

protected:
    void computeGLPlasticStrain(const FloatMatrix &F, FloatMatrix &Ep, FloatMatrix b, double J);

    virtual void give3dLSMaterialStiffnessMatrix(FloatMatrix &answer,
                                                 MatResponseMode mode,
                                                 GaussPoint *gp,
                                                 TimeStep *tStep);

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

//=============================================================================


class MisesMatStatus : public StructuralMaterialStatus
{
protected:
    FloatArray plasticStrain;

    FloatArray tempPlasticStrain;

    FloatArray trialStressD;

    /**************************************************/
    double trialStressV;
    /**************************************************/

    FloatArray effStress;
    FloatArray tempEffStress;

    double kappa;

    double tempKappa;

    /************************/
    double tempDamage, damage;
    /******************************/

    FloatMatrix leftCauchyGreen;
    FloatMatrix tempLeftCauchyGreen;

public:
    MisesMatStatus(int n, Domain * d, GaussPoint * g);
    virtual ~MisesMatStatus();

    const FloatArray &givePlasticStrain() { return plasticStrain; }

    const FloatArray &giveTrialStressDev() { return trialStressD; }

    /*******************************************/
    double giveTrialStressVol() { return trialStressV; }
    /*******************************************/
    double giveDamage() { return damage; }
    double giveTempDamage() { return tempDamage; }

    double giveCumulativePlasticStrain() { return kappa; }
    double giveTempCumulativePlasticStrain() { return tempKappa; }

    const FloatMatrix & giveTempLeftCauchyGreen() { return tempLeftCauchyGreen; }
    const FloatMatrix & giveLeftCauchyGreen() { return leftCauchyGreen; }

    const FloatArray & giveTempEffectiveStress() { return tempEffStress; }
    const FloatArray & giveEffectiveStress() { return effStress; }

    void letTempPlasticStrainBe(const FloatArray &values) { tempPlasticStrain = values; }
    const FloatArray &getTempPlasticStrain() const { return tempPlasticStrain; }

    void letTrialStressDevBe(const FloatArray &values) { trialStressD = values; }

    void letEffectiveStressBe(const FloatArray &values) { effStress = values; }

    void letTempEffectiveStressBe(const FloatArray &values) { tempEffStress = values; }


    void setTrialStressVol(double value) { trialStressV = value; }

    void setTempCumulativePlasticStrain(double value) { tempKappa = value; }
    /****************************************/
    void setTempDamage(double value) { tempDamage = value; }
    /************************************************/

    void letTempLeftCauchyGreenBe(const FloatMatrix &values) { tempLeftCauchyGreen = values; }
    void letLeftCauchyGreenBe(const FloatMatrix &values) { leftCauchyGreen = values; }

    const FloatArray &givePlasDef() { return plasticStrain; }

    virtual void printOutputAt(FILE *file, TimeStep *tStep);

    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);

    virtual const char *giveClassName() const { return "MisesMatStatus"; }
};
} // end namespace oofem
#endif // misesmat_h