rcsdnl.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
 */
 
//   *********************************************************************************************
//   *** CLASS NONLOCAL ROTATING SMEARED CRACK MODEL WITH TRANSITION TO SCALAR DAMAGE ************
//   *********************************************************************************************
 
#ifndef rcsdnl_h
#define rcsdnl_h
 
#include "rcsde.h"
#include "sm/Materials/structuralnonlocalmaterialext.h"
#include "sm/Materials/structuralmaterial.h"

#define _IFT_RCSDNLMaterial_Name "rcsdnl"
#define _IFT_RCSDNLMaterial_ft "ft"
#define _IFT_RCSDNLMaterial_sdtransitioncoeff "sdtransitioncoeff"
#define _IFT_RCSDNLMaterial_sdtransitioncoeff2 "sdtransitioncoeff2"
#define _IFT_RCSDNLMaterial_r "r"
#define _IFT_RCSDNLMaterial_ef "ef"
#define _IFT_RCSDNLMaterial_gf "gf"
 
namespace oofem {
class RCSDNLMaterialStatus : public RCSDEMaterialStatus, public StructuralNonlocalMaterialStatusExtensionInterface
{
protected:
    FloatArray nonlocalStrainVector, tempNonlocalStrainVector, localStrainVectorForAverage;
 
public:
    RCSDNLMaterialStatus(GaussPoint *gp);
 
    void printOutputAt(FILE *file, TimeStep *tStep) const override;
 
    const FloatArray &giveNonlocalStrainVector() { return nonlocalStrainVector; }
    const FloatArray &giveTempNonlocalStrainVector() { return tempNonlocalStrainVector; }
    void setTempNonlocalStrainVector(FloatArray ls) { tempNonlocalStrainVector = std :: move(ls); }
 
    const FloatArray &giveLocalStrainVectorForAverage() { return localStrainVectorForAverage; }
    void setLocalStrainVectorForAverage(FloatArray ls) { localStrainVectorForAverage = std :: move(ls); }
 
    const char *giveClassName() const override { return "RCSDNLMaterialStatus"; }
 
    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 RCSDNLMaterial : public RCSDEMaterial, public StructuralNonlocalMaterialExtensionInterface
{
protected:
    double SDTransitionCoeff2 = 0.;
    double R = 0.;
    double ef = 0.;
 
public:
    RCSDNLMaterial(int n, Domain * d);
 
    const char *giveClassName() const override { return "RCSDNLMaterial"; }
 
    Interface *giveInterface(InterfaceType t) override;
 
    void initializeFrom(InputRecord &ir) override;
 
    void giveRealStressVector(FloatArray &answer, GaussPoint *gp,
                              const FloatArray &, TimeStep *tStep) const override;

    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; }
    void giveSupportRadius(double &radius) { radius = 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<RCSDNLMaterialStatus>(gp); }
 
protected:
    double giveCharacteristicElementLength(GaussPoint *gp, const FloatArray &) const override { return 1.0; }
    double giveMinCrackStrainsForFullyOpenCrack(GaussPoint *gp, int i) const override;
    double computeStrength(GaussPoint *, double) const override { return this->Ft; }
};
} // end namespace oofem
#endif // rcsdnl_h