plasticmaterial.h

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/*
 *
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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 plasticmaterial_h
#define plasticmaterial_h

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

namespace oofem {
class GaussPoint;

enum state_flag_values { PM_Elastic, PM_Yielding, PM_Unloading };
class PlasticMaterialStatus : public StructuralMaterialStatus
{
protected:
    FloatArray plasticStrainVector;
    FloatArray tempPlasticStrainVector;

    FloatArray strainSpaceHardeningVarsVector;
    FloatArray tempStrainSpaceHardeningVarsVector;

    int state_flag;
    int temp_state_flag;

    double gamma, temp_gamma;

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

    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);

    const FloatArray &givePlasticStrainVector() const { return plasticStrainVector; }
    const FloatArray &giveTempPlasticStrainVector() const { return tempPlasticStrainVector; }
    const FloatArray &giveStrainSpaceHardeningVars() const { return strainSpaceHardeningVarsVector; }
    const FloatArray &givetempStrainSpaceHardeningVarsVector() const { return tempStrainSpaceHardeningVarsVector; }

    void letPlasticStrainVectorBe(FloatArray v) { plasticStrainVector = std :: move(v); }
    void letTempPlasticStrainVectorBe(FloatArray v) { tempPlasticStrainVector = std :: move(v); }
    void letTempStrainSpaceHardeningVarsVectorBe(FloatArray v) { tempStrainSpaceHardeningVarsVector = std :: move(v); }
    void letStrainSpaceHardeningVarsVectorBe(FloatArray v) { strainSpaceHardeningVarsVector = std :: move(v); }

    int giveStateFlag() const { return state_flag; }
    int giveTempStateFlag() const { return temp_state_flag; }
    double givePlasticConsistencyPrameter() const { return gamma; }
    double giveTempPlasticConsistencyPrameter() const { return temp_gamma; }
    void letTempPlasticConsistencyPrameterBe(double v) { gamma = v; }

    void letTempStateFlagBe(int v) { temp_state_flag = v; }

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

    virtual void printYourself();

    virtual void copyStateVariables(const MaterialStatus &iStatus);
    virtual void addStateVariables(const MaterialStatus &iStatus);
};

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

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

    // identification and auxiliary functions
    virtual int hasNonLinearBehaviour() { return 1; }
    virtual int hasMaterialModeCapability(MaterialMode mode);
    virtual const char *giveClassName() const { return "PlasticMaterial"; }

    LinearElasticMaterial *giveLinearElasticMaterial() { return linearElasticMaterial; }

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


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

    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 void giveRealStressVector_Fiber(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 MaterialStatus *CreateStatus(GaussPoint *gp) const;

protected:
    // add here some auxiliary functions if needed
    FloatArray *ComputeGradientVector(GaussPoint *gp, FloatArray *fullStressVector,
                                      FloatArray *fullStressSpaceHardeningVars);
    FloatArray *ComputeResidualVector(GaussPoint *gp, double Gamma,
                                      FloatArray *plasticStrainVectorR,
                                      FloatArray *strainSpaceHardeningVariables,
                                      FloatArray *gradientVectorR);
    virtual void giveConsistentStiffnessMatrix(FloatMatrix &answer,
                                               MatResponseMode,
                                               GaussPoint *gp,
                                               TimeStep *tStep);

    void  computeConsistentModuli(FloatMatrix &answer,
                                  GaussPoint *gp, FloatMatrix &elasticModuliInverse,
                                  FloatMatrix &hardeningModuliInverse,
                                  double Gamma, const FloatArray &fullStressVector,
                                  const FloatArray &fullStressSpaceHardeningVars);
    void  computeDiagModuli(FloatMatrix &answer,
                            GaussPoint *gp, FloatMatrix &elasticModuliInverse,
                            FloatMatrix &hardeningModuliInverse);

    virtual FloatArray *ComputeStressSpaceHardeningVars(GaussPoint *gp,
                                                        FloatArray *strainSpaceHardeningVariables)
    { return NULL; }
    virtual double computeYieldValueAt(GaussPoint *gp, FloatArray *stressVector,
                                       FloatArray *stressSpaceHardeningVars) { return 0.; }
    virtual void   computeHardeningReducedModuli(FloatMatrix &answer,
                                                 GaussPoint *gp,
                                                 FloatArray *strainSpaceHardeningVariables,
                                                 TimeStep *tStep) = 0;
    virtual FloatArray *ComputeStressGradient(GaussPoint *gp, FloatArray *stressVector,
                                              FloatArray *stressSpaceHardeningVars) { return NULL; }
    virtual FloatArray *ComputeStressSpaceHardeningVarsReducedGradient(GaussPoint *gp,
                                                                       FloatArray *stressVector,
                                                                       FloatArray *stressSpaceHardeningVars)
    { return NULL; }
    virtual int hasHardening() { return 0; }
    virtual void  computeReducedGradientMatrix(FloatMatrix &answer,
                                               GaussPoint *gp,
                                               const FloatArray &stressVector,
                                               const FloatArray &stressSpaceHardeningVars) = 0;

    virtual void computeTrialStressIncrement(FloatArray &answer, GaussPoint *gp,
                                             const FloatArray &strainIncrement, TimeStep *tStep);
    virtual void computeReducedElasticModuli(FloatMatrix &answer, GaussPoint *gp,
                                             TimeStep *tStep);
    virtual void compute3dElasticModuli(FloatMatrix &answer, GaussPoint *gp,
                                        TimeStep *tStep) = 0;

    // auxiliary functions
    virtual int giveSizeOfFullHardeningVarsVector() { return 0; }
    virtual int giveSizeOfReducedHardeningVarsVector(GaussPoint *) const { return 0; }

    friend class PlasticMaterialStatus;



    // next functions overloaded rom structural material level
    virtual void givePlaneStressStiffMtrx(FloatMatrix &answer,
                                          MatResponseMode mode,
                                          GaussPoint *gp,
                                          TimeStep *tStep);

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

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

    virtual void give2dBeamLayerStiffMtrx(FloatMatrix &answer,
                                          MatResponseMode mode,
                                          GaussPoint *gp,
                                          TimeStep *tStep);

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

    virtual void giveFiberStiffMtrx(FloatMatrix &answer,
                                    MatResponseMode mode,
                                    GaussPoint *gp,
                                    TimeStep *tStep);
};
} // end namespace oofem
#endif // plasticmaterial_h