idmnl1.h

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/*
 *
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 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
 *            #####    #####   ##      ######  ##     ##
 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2025   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 "sm/Materials/ConcreteMaterials/idm1.h"
#include "sm/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 = 0.;
 
    /* // Variables used to track loading/reloading
     * public:
     * enum LastStateType {LST_elastic, LST_loading, LST_unloading};
     * LastStateType lst;
     */
 
public:
    IDNLMaterialStatus(GaussPoint *g);
 
    void printOutputAt(FILE *file, TimeStep *tStep) const override;

    double giveLocalEquivalentStrainForAverage() { return localEquivalentStrainForAverage; }
    void setLocalEquivalentStrainForAverage(double ls) { localEquivalentStrainForAverage = ls; }
 
    const char *giveClassName() const override { return "IDNLMaterialStatus"; }
 
    void initTempStatus() override;
    void updateYourself(TimeStep *tStep) override;
 
    void saveContext(DataStream &stream, ContextMode mode) override;
    void restoreContext(DataStream &stream, ContextMode mode) override;

    Interface *giveInterface(InterfaceType) override;
};
 

class IDNLMaterial : public IsotropicDamageMaterial1, public StructuralNonlocalMaterialExtensionInterface,
    public NonlocalMaterialStiffnessInterface
{
public:
    IDNLMaterial(int n, Domain *d);
 
    const char *giveClassName() const override { return "IDNLMaterial"; }
    const char *giveInputRecordName() const override { return _IFT_IDNLMaterial_Name; }
 
    void initializeFrom(InputRecord &ir) override;
    void giveInputRecord(DynamicInputRecord &input) override;
 
    Interface *giveInterface(InterfaceType it) override;
 
    double computeEquivalentStrain(const FloatArray &strain, GaussPoint *gp, TimeStep *tStep) const override;
    void computeAngleAndSigmaRatio(double &nx, double &ny, double &ratio, GaussPoint *gp, bool &flag) const;
    double computeStressBasedWeight(double cl, double &nx, double &ny, double &ratio, GaussPoint *gp, GaussPoint *jGp, double weight) const;
  double computeStressBasedWeightForPeriodicCell(double cl, double &nx, double &ny, double &ratio, GaussPoint *gp, GaussPoint *jGp) const;
 
    double computeLocalEquivalentStrain(const FloatArray &strain, GaussPoint *gp, TimeStep *tStep) const
    { return IsotropicDamageMaterial1 :: computeEquivalentStrain(strain, gp, tStep); }
 
    void updateBeforeNonlocAverage(const FloatArray &strainVector, GaussPoint *gp, TimeStep *tStep) const override;

    double giveNonlocalMetricModifierAt(GaussPoint *gp) const override;
 
    int giveIPValue(FloatArray &answer, GaussPoint *gp, InternalStateType type, TimeStep *tStep) override;
 
#ifdef __OOFEG
    void NonlocalMaterialStiffnessInterface_showSparseMtrxStructure(GaussPoint *gp, oofegGraphicContext &gc, TimeStep *tStep) override;
#endif
 
    double computeDamageParam(double kappa, const FloatArray &strain, GaussPoint *gp) const override;

    void NonlocalMaterialStiffnessInterface_addIPContribution(SparseMtrx &dest, const UnknownNumberingScheme &s,
                                                              GaussPoint *gp, TimeStep *tStep) override;
    std :: vector< localIntegrationRecord > *NonlocalMaterialStiffnessInterface_giveIntegrationDomainList(GaussPoint *gp) override;
    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);
 
    int packUnknowns(DataStream &buff, TimeStep *tStep, GaussPoint *ip) override;
    int unpackAndUpdateUnknowns(DataStream &buff, TimeStep *tStep, GaussPoint *ip) override;
    int estimatePackSize(DataStream &buff, GaussPoint *ip) override;
    double predictRelativeComputationalCost(GaussPoint *gp) override;
    double predictRelativeRedistributionCost(GaussPoint *gp) override { return 1.0; }
 
    std::unique_ptr<MaterialStatus> CreateStatus(GaussPoint *gp) const override { return std::make_unique<IDNLMaterialStatus>(gp); }
 
protected:
    void initDamaged(double kappa, FloatArray &totalStrainVector, GaussPoint *gp) const override { }
};
} // end namespace oofem
#endif // idmnl1_h