mplasticmaterial.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 mplasticmaterial_h
#define mplasticmaterial_h

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

#include <vector>

namespace oofem {
class GaussPoint;

class MPlasticMaterialStatus : public StructuralMaterialStatus
{
public:
    enum state_flag_values { PM_Elastic, PM_Yielding, PM_Unloading };

protected:
    FloatArray plasticStrainVector;
    FloatArray tempPlasticStrainVector;

    FloatArray strainSpaceHardeningVarsVector;
    FloatArray tempStrainSpaceHardeningVarsVector;

    int state_flag;
    int temp_state_flag;

    FloatArray gamma, tempGamma;
    IntArray activeConditionMap, tempActiveConditionMap;

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

    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() { return state_flag; }
    int giveTempStateFlag() { return temp_state_flag; }
    void letTempStateFlagBe(int v) { temp_state_flag = v; }

    const IntArray &giveTempActiveConditionMap() { return tempActiveConditionMap; }
    void setTempActiveConditionMap(IntArray v) { tempActiveConditionMap = std :: move(v); }
    const FloatArray &giveTempGamma() { return tempGamma; }
    void setTempGamma(FloatArray v) { tempGamma = std :: move(v); }

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

class MPlasticMaterial : public StructuralMaterial
{
protected:
    LinearElasticMaterial *linearElasticMaterial;
    int nsurf;
    enum ReturnMappingAlgoType { mpm_ClosestPoint, mpm_CuttingPlane } rmType;
    enum functType { yieldFunction, loadFunction };
    enum plastType { associatedPT, nonassociatedPT } plType;

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

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

    LinearElasticMaterial *giveLinearElasticMaterial() { return linearElasticMaterial; }

    virtual bool isCharacteristicMtrxSymmetric(MatResponseMode rMode) { return true; }

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


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

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

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

    virtual MaterialStatus *CreateStatus(GaussPoint *gp) const;

protected:
    void closestPointReturn(FloatArray &answer, IntArray &activeConditionMap, FloatArray &gamma,
                            GaussPoint *gp,
                            const FloatArray &totalStrain, FloatArray &plasticStrainR,
                            FloatArray &strainSpaceHardeningVariables, TimeStep *tStep);

    void cuttingPlaneReturn(FloatArray &answer, IntArray &activeConditionMap, FloatArray &gamma,
                            GaussPoint *gp,
                            const FloatArray &totalStrain, FloatArray &plasticStrainR,
                            FloatArray &strainSpaceHardeningVariables, TimeStep *tStep);

    void computeGradientVector(FloatArray &answer, functType ftype, int isurf, GaussPoint *gp, const FloatArray &fullStressVector,
                               const FloatArray &fullStressSpaceHardeningVars);
    void computeResidualVector(FloatArray &answer, GaussPoint *gp, const FloatArray &gamma,
                               const IntArray &activeConditionMap, const FloatArray &plasticStrainVectorR,
                               const FloatArray &strainSpaceHardeningVariables, std :: vector< FloatArray > &gradVec);
    virtual void giveConsistentStiffnessMatrix(FloatMatrix &answer,
                                               MatResponseMode,
                                               GaussPoint *gp,
                                               TimeStep *tStep);

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

    void computeAlgorithmicModuli(FloatMatrix &answer,
                                  GaussPoint *gp, const FloatMatrix &elasticModuliInverse,
                                  const FloatMatrix &hardeningModuliInverse,
                                  const FloatArray &gamma, const IntArray &activeConditionMap,
                                  const FloatArray &fullStressVector,
                                  const FloatArray &fullStressSpaceHardeningVars);
    void computeDiagModuli(FloatMatrix &answer,
                           GaussPoint *gp, FloatMatrix &elasticModuliInverse,
                           FloatMatrix &hardeningModuliInverse);

    virtual void computeStressSpaceHardeningVars(FloatArray &answer, GaussPoint *gp,
                                                 const FloatArray &strainSpaceHardeningVariables) = 0;
    virtual double computeYieldValueAt(GaussPoint *gp, int isurf, const FloatArray &stressVector,
                                       const FloatArray &stressSpaceHardeningVars) = 0;
    virtual void computeHardeningReducedModuli(FloatMatrix &answer,
                                               GaussPoint *gp,
                                               const FloatArray &strainSpaceHardeningVariables,
                                               TimeStep *tStep) = 0;
    virtual void computeStressGradientVector(FloatArray &answer, functType ftype, int isurf, GaussPoint *gp, const FloatArray &stressVector,
                                             const FloatArray &stressSpaceHardeningVars) = 0;
    virtual void computeStressSpaceHardeningVarsReducedGradient(FloatArray &answer, functType ftype, int isurf, GaussPoint *gp,
                                                                const FloatArray &stressVector,
                                                                const FloatArray &stressSpaceHardeningVars) = 0;
    virtual int hasHardening() { return 0; }
    virtual void computeReducedGradientMatrix(FloatMatrix &answer, int isurf,
                                              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;

    // next functions overloaded from structural material level
    virtual void givePlaneStressStiffMtrx(FloatMatrix &answer,
                                          MatResponseMode,
                                          GaussPoint *gp,
                                          TimeStep *tStep);
    virtual void givePlaneStrainStiffMtrx(FloatMatrix &answer,
                                          MatResponseMode,
                                          GaussPoint *gp,
                                          TimeStep *tStep);
    virtual void give1dStressStiffMtrx(FloatMatrix &answer,
                                       MatResponseMode,
                                       GaussPoint *gp,
                                       TimeStep *tStep);
    virtual void give2dBeamLayerStiffMtrx(FloatMatrix &answer,
                                          MatResponseMode,
                                          GaussPoint *gp,
                                          TimeStep *tStep);
    virtual void givePlateLayerStiffMtrx(FloatMatrix &answer,
                                         MatResponseMode,
                                         GaussPoint *gp,
                                         TimeStep *tStep);

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