idmnl1.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 idmnl1_h
#define idmnl1_h

#include "Materials/ConcreteMaterials/idm1.h"
#include "Materials/structuralnonlocalmaterialext.h"
#include "nonlocmatstiffinterface.h"


#define _IFT_IDNLMaterial_Name "idmnl1"
#define _IFT_IDNLMaterial_r "r"


namespace oofem {
class GaussPoint;

class IDNLMaterialStatus : public IsotropicDamageMaterial1Status, public StructuralNonlocalMaterialStatusExtensionInterface
{
protected:
    double localEquivalentStrainForAverage;

    /* // Variables used to track loading/reloading
     * public:
     * enum LastStateType {LST_elastic, LST_loading, LST_unloading};
     * LastStateType lst;
     */

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

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

    double giveLocalEquivalentStrainForAverage() { return localEquivalentStrainForAverage; }
    void setLocalEquivalentStrainForAverage(double ls) { localEquivalentStrainForAverage = ls; }

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

    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 Interface *giveInterface(InterfaceType);
};


class IDNLMaterial : public IsotropicDamageMaterial1, public StructuralNonlocalMaterialExtensionInterface,
    public NonlocalMaterialStiffnessInterface
{
public:
    IDNLMaterial(int n, Domain *d);
    virtual ~IDNLMaterial();

    // identification and auxiliary functions
    virtual const char *giveClassName() const { return "IDNLMaterial"; }
    virtual const char *giveInputRecordName() const { return _IFT_IDNLMaterial_Name; }

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

    virtual Interface *giveInterface(InterfaceType it);

    virtual void computeEquivalentStrain(double &kappa, const FloatArray &strain, GaussPoint *gp, TimeStep *tStep);
    void computeAngleAndSigmaRatio(double &nx, double &ny, double &ratio, GaussPoint *gp, bool &flag);
    double computeStressBasedWeight(double &nx, double &ny, double &ratio, GaussPoint *gp, GaussPoint *jGp, double weight);
    double computeStressBasedWeightForPeriodicCell(double &nx, double &ny, double &ratio, GaussPoint *gp, GaussPoint *jGp);

    void computeLocalEquivalentStrain(double &kappa, const FloatArray &strain, GaussPoint *gp, TimeStep *tStep)
    { IsotropicDamageMaterial1 :: computeEquivalentStrain(kappa, strain, gp, tStep); }

    virtual void updateBeforeNonlocAverage(const FloatArray &strainVector, GaussPoint *gp, TimeStep *tStep);

    virtual double giveNonlocalMetricModifierAt(GaussPoint *gp);

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

#ifdef __OOFEG
    virtual void NonlocalMaterialStiffnessInterface_showSparseMtrxStructure(GaussPoint *gp, oofegGraphicContext &gc, TimeStep *tStep);
#endif

    virtual void computeDamageParam(double &omega, double kappa, const FloatArray &strain, GaussPoint *gp);

    virtual void NonlocalMaterialStiffnessInterface_addIPContribution(SparseMtrx &dest, const UnknownNumberingScheme &s,
                                                                      GaussPoint *gp, TimeStep *tStep);
    virtual std :: vector< localIntegrationRecord > *NonlocalMaterialStiffnessInterface_giveIntegrationDomainList(GaussPoint *gp);
    int giveLocalNonlocalStiffnessContribution(GaussPoint *gp, IntArray &loc, const UnknownNumberingScheme &s,
                                               FloatArray &lcontrib, TimeStep *tStep);
    void giveRemoteNonlocalStiffnessContribution(GaussPoint *gp, IntArray &rloc, const UnknownNumberingScheme &s,
                                                 FloatArray &rcontrib, TimeStep *tStep);
    void giveNormalElasticStiffnessMatrix(FloatMatrix &answer,
                                          MatResponseMode mode,
                                          GaussPoint *gp, TimeStep *tStep);

    virtual int packUnknowns(DataStream &buff, TimeStep *tStep, GaussPoint *ip);
    virtual int unpackAndUpdateUnknowns(DataStream &buff, TimeStep *tStep, GaussPoint *ip);
    virtual int estimatePackSize(DataStream &buff, GaussPoint *ip);
    virtual double predictRelativeComputationalCost(GaussPoint *gp);
    virtual double predictRelativeRedistributionCost(GaussPoint *gp) { return 1.0; }

    virtual MaterialStatus *CreateStatus(GaussPoint *gp) const { return new IDNLMaterialStatus(1, IsotropicDamageMaterial1 :: domain, gp); }

protected:
    virtual void initDamaged(double kappa, FloatArray &totalStrainVector, GaussPoint *gp) { }
};
} // end namespace oofem
#endif // idmnl1_h