frcfcmnl.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 frcfcmnl_h
#define frcfcmnl_h
 
 
#include "frcfcm.h"
#include "sm/Materials/structuralnonlocalmaterialext.h"


#define _IFT_FRCFCMNL_Name "frcfcmnl"
#define _IFT_FRCFCMNL_participAngle "alpha"
 
namespace oofem {
class GaussPoint;
 
class FRCFCMNLStatus : public FRCFCMStatus, public StructuralNonlocalMaterialStatusExtensionInterface
{
protected:
    FloatArray fiberStressLoc;
    FloatArray tempFiberStressLoc;

    FloatArray fiberStressNL;
    FloatArray tempFiberStressNL;
 
 
public:
    FRCFCMNLStatus(GaussPoint *g);

    double giveFiberStressLoc(int icrack) const { return fiberStressLoc.at(icrack); }
    double giveTempFiberStressLoc(int icrack) const { return tempFiberStressLoc.at(icrack); }
    void setTempFiberStressLoc(int icrack, double newFiberStressLoc) { tempFiberStressLoc.at(icrack) = newFiberStressLoc; }

    double giveFiberStressNL(int icrack) const { return fiberStressNL.at(icrack); }
    double giveTempFiberStressNL(int icrack) const { return tempFiberStressNL.at(icrack); }
    void setTempFiberStressNL(int icrack, double newFiberStressNL) { tempFiberStressNL.at(icrack) = newFiberStressNL; }
 
    void printOutputAt(FILE *file, TimeStep *tStep) const override;
 
    const char *giveClassName() const override { return "FRCFCMNLStatus"; }
 
    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 FRCFCMNL : public FRCFCM, public StructuralNonlocalMaterialExtensionInterface
{
public:
    FRCFCMNL(int n, Domain *d);
 
    const char *giveClassName() const override { return "FRCFCMNL"; }
    const char *giveInputRecordName() const override { return _IFT_FRCFCMNL_Name; }
 
    void initializeFrom(InputRecord &ir) override;
 
    void giveRealStressVector(FloatArray &answer, GaussPoint *gp,
                              const FloatArray &reducedStrain, TimeStep *tStep) const override;
 
    void giveMaterialStiffnessMatrix(FloatMatrix & answer, MatResponseMode,
                                     GaussPoint * gp,
                                     TimeStep * tStep) const override;
 
    Interface *giveInterface(InterfaceType it) override;
 
    std::unique_ptr<MaterialStatus> CreateStatus(GaussPoint *gp) const override { return std::make_unique<FRCFCMNLStatus>(gp); }
 
    int giveIPValue(FloatArray &answer, GaussPoint *gp, InternalStateType type, TimeStep *tStep) override;
 
    //nothing to update here, is it?
    void updateBeforeNonlocAverage(const FloatArray &strainVector, GaussPoint *gp, TimeStep *tStep) const override { }
 
    bool isStrengthExceeded(const FloatMatrix &base, GaussPoint *gp, TimeStep *tStep, int iCrack, double trialStress) const override;
 
    double computeDebondedLength(double delta) const;

    double computeDecreaseInFibreStress(double distance, double delta, double debondedLength) const;

    void computeElementCentroid(FloatArray &answer, GaussPoint *gp) const;

    bool isInElementProjection(GaussPoint *homeGp, GaussPoint *nearGp, int iNlCrack) const;

    virtual double computeNonlocalStressInFibers(const FloatArray &crackVector, GaussPoint *gp, TimeStep *tStep) const;

    virtual double computeNonlocalStressInFibersInUncracked(GaussPoint *gp, TimeStep *tStep) const;

    double computeAngleBetweenVectors(const FloatArray &vec1, const FloatArray &vec2) const ;
 
protected:
    double participAngle = 0.;
};
} // end namespace oofem
#endif // frcfcmnl_h