mazarsmodelnl.h

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/*
 *
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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 mazarsmodelnl_h
#define mazarsmodelnl_h
 
#include "mazarsmodel.h"
#include "sm/Materials/structuralnonlocalmaterialext.h"


#define _IFT_MazarsNLMaterial_Name "mazarsmodelnl"
#define _IFT_MazarsNLMaterial_r "r"
 
namespace oofem {
class GaussPoint;

class MazarsNLMaterialStatus : public MazarsMaterialStatus, public StructuralNonlocalMaterialStatusExtensionInterface
{
protected:
    double localEquivalentStrainForAverage = 0.;
 
public:
    MazarsNLMaterialStatus(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 "MazarsNLMaterialStatus"; }
 
    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 it) override;
};
 

class MazarsNLMaterial : public MazarsMaterial, public StructuralNonlocalMaterialExtensionInterface
{
protected:
    double R = 0.;
 
public:
    MazarsNLMaterial(int n, Domain * d);
 
    const char *giveClassName() const override { return "MazarsNLMaterial"; }
 
    void initializeFrom(InputRecord &ir) override;
    Interface *giveInterface(InterfaceType it) override;
 
    double computeEquivalentStrain(const FloatArray &strain, GaussPoint *gp, TimeStep *tStep) const override;
    double computeLocalEquivalentStrain(const FloatArray &strain, GaussPoint *gp, TimeStep *tStep) const
    { return MazarsMaterial :: computeEquivalentStrain(strain, gp, tStep); }
 
    void updateBeforeNonlocAverage(const FloatArray &strainVector, GaussPoint *gp, TimeStep *tStep) const override;
  double computeWeightFunction(const double cl, const FloatArray &src, const FloatArray &coord) const override;
    int hasBoundedSupport() const override { return 1; }
    virtual double giveSupportRadius() const { return this->R; }
 
    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;
 
    std::unique_ptr<MaterialStatus> CreateStatus(GaussPoint *gp) const override { return std::make_unique<MazarsNLMaterialStatus>(gp); }
 
protected:
    void initDamaged(double kappa, FloatArray &totalStrainVector, GaussPoint *gp) const override;
};
} // end namespace oofem
#endif // mazarsmodelnl_h