compodamagemat.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 compodamagemat_h
#define compodamagemat_h

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


#define _IFT_CompoDamageMat_Name "compdammat"
#define _IFT_CompoDamageMat_exx "exx"
#define _IFT_CompoDamageMat_eyyezz "eyyezz"
#define _IFT_CompoDamageMat_nuxynuxz "nuxynuxz"
#define _IFT_CompoDamageMat_nuyz "nuyz"
#define _IFT_CompoDamageMat_Gxy "gxygxz"
#define _IFT_CompoDamageMat_tension_f0_gf "tension_f0_gf"
#define _IFT_CompoDamageMat_compres_f0_gf "compres_f0_gf"
#define _IFT_CompoDamageMat_afteriter "afteriter"
#define _IFT_CompoDamageMat_allowSnapBack "allowsnapback"


namespace oofem {
class CompoDamageMatStatus : public StructuralMaterialStatus
{
public:
    CompoDamageMatStatus(int n, Domain * d, GaussPoint * g);
    virtual ~CompoDamageMatStatus();

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

    virtual void initTempStatus();

    virtual void updateYourself(TimeStep *tStep);

    //tempVal are values used during iteration, Val are equilibrated values, updated after last iteration in previous time step

    FloatArray tempKappa;

    FloatArray kappa;

    FloatArray tempOmega;

    IntArray hasSnapBack;

    FloatArray omega;

    int Iteration;

    FloatArray initDamageStress;
    FloatArray strainAtMaxStress;
    FloatArray maxStrainAtZeroStress;

    FloatArray tempStressMLCS;

    FloatArray elemCharLength;

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

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



class CompoDamageMat : public StructuralMaterial
{
public:
    CompoDamageMat(int n, Domain * d);
    virtual ~CompoDamageMat();

    virtual const char *giveClassName() const { return "CompositeDamageMaterial"; }
    virtual const char *giveInputRecordName() const { return _IFT_CompoDamageMat_Name; }

    virtual IRResultType initializeFrom(InputRecord *ir);
    virtual void giveInputRecord(DynamicInputRecord &input);

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

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

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

    virtual void giveRealStressVector_3d(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);

    int afterIter;

protected:
    void giveUnrotated3dMaterialStiffnessMatrix(FloatMatrix &answer, MatResponseMode mode, GaussPoint *gp);
    int giveMatStiffRotationMatrix(FloatMatrix &answer, GaussPoint *gp);

    FloatArray inputTension;
    FloatArray inputCompression;

    IntArray allowSnapBack;

    void giveCharLength(CompoDamageMatStatus *status, GaussPoint *gp, FloatMatrix &elementCs);
    void giveCharLengthForModes(FloatArray &charLenModes, GaussPoint *gp);
    void checkSnapBack(GaussPoint *gp, MaterialMode mMode);
};
} // end namespace oofem
#endif // compodamagemat_h