concrete2.h

Go to the documentation of this file.

/*
 *
 *                 #####    #####   ######  ######  ###   ###
 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
 *            #####    #####   ##      ######  ##     ##
 *
 *
 *             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 concrete2_h
#define concrete2_h
 
#include "femcmpnn.h"
#include "dictionary.h"
#include "material.h"
#include "sm/Materials/deformationtheorymaterial.h"
#include "sm/Materials/isolinearelasticmaterial.h"
#include "floatarray.h"
#include "sm/Materials/structuralms.h"


#define _IFT_Concrete2_Name "concrete2"
#define _IFT_Concrete2_e "e"
#define _IFT_Concrete2_n "n"
#define _IFT_Concrete2_sccc "sccc"
#define _IFT_Concrete2_scct "scct"
#define _IFT_Concrete2_epp "epp"
#define _IFT_Concrete2_epu "epu"
#define _IFT_Concrete2_eopp "eopp"
#define _IFT_Concrete2_eopu "eopu"
#define _IFT_Concrete2_sheartol "sheartol"
#define _IFT_Concrete2_is_plastic_flow "is_plastic_flow"
#define _IFT_Concrete2_ifad "ifad"
#define _IFT_Concrete2_stirr_e "stirr_e"
#define _IFT_Concrete2_stirr_ft "stirr_ft"
#define _IFT_Concrete2_stirr_a "stirr_a"
#define _IFT_Concrete2_stirr_tol "stirr_tol"
#define _IFT_Concrete2_stirr_eref "stirr_eref"
#define _IFT_Concrete2_stirr_lambda "stirr_lambda"
 
namespace oofem {
#define c2_SCCC  300
#define c2_SCCT  301
#define c2_EPP   302
#define c2_EPU   303
#define c2_EOPP  304
#define c2_EOPU  305
#define c2_SHEARTOL 306
#define c2_E     307
#define c2_n     308
#define stirr_E  309
#define stirr_Ft 310
#define stirr_A  311
#define stirr_TOL 312
#define stirr_EREF 313
#define stirr_LAMBDA 314
#define c2_IS_PLASTIC_FLOW 315
#define c2_IFAD  316

class Concrete2MaterialStatus : public StructuralMaterialStatus
{
protected:
    FloatArray plasticStrainVector; // full form
    FloatArray plasticStrainIncrementVector;
 
    double tempSCCM = 0., tempEPM = 0., tempSCTM = 0., tempE0PM = 0., tempSRF = 0., tempSEZ = 0.;
 
    double SCCM = 0.; 
    double EPM = 0.;  
    double SCTM = -1.; 
    double E0PM = 0.; 
    double SRF = 0.;  
    double SEZ = 0.;  
 
public:
    Concrete2MaterialStatus(GaussPoint * g);
 
    void printOutputAt(FILE *file, TimeStep *tStep) const override
    { StructuralMaterialStatus :: printOutputAt(file, tStep); }
 
    const FloatArray & givePlasticStrainVector() const { return plasticStrainVector; }
    const FloatArray & givePlasticStrainIncrementVector() const
    { return plasticStrainIncrementVector; }
    void letPlasticStrainVectorBe(FloatArray v)
    { plasticStrainVector = std :: move(v); }
    void letPlasticStrainIncrementVectorBe(FloatArray v)
    { plasticStrainIncrementVector = std :: move(v); }
 
    double &giveTempCurrentPressureStrength() { return tempSCCM; }
    double &giveTempMaxEffPlasticStrain()     { return tempEPM; }
    double &giveTempCurrentTensionStrength()  { return tempSCTM; }
    double &giveTempCurrentStressInStirrups() { return tempSRF; }
    double &giveTempCurrentStrainInZDir()     { return tempSEZ; }
    double &giveTempMaxVolPlasticStrain()     { return tempE0PM; }
 
    // query for non-tem variables (usefull for postprocessing)
    double &giveCurrentPressureStrength() { return SCCM; }
    double &giveMaxEffPlasticStrain()     { return EPM; }
    double &giveCurrentTensionStrength()  { return SCTM; }
    double &giveCurrentStressInStirrups() { return SRF; }
    double &giveCurrentStrainInZDir()     { return SEZ; }
    double &giveMaxVolPlasticStrain()     { return E0PM; }
 
 
    void initTempStatus() override;
    void updateYourself(TimeStep *tStep) override;
 
    void saveContext(DataStream &stream, ContextMode mode) override;
    void restoreContext(DataStream &stream, ContextMode mode) override;
 
    const char *giveClassName() const override { return "Concrete2MaterialStatus"; }
};
 

class Concrete2 : public DeformationTheoryMaterial
{
private:
    double SCCC = 0.; 
    double SCCT = 0.; 
    double EPP = 0.;  
    double EPU = 0.;  
    double EOPP = 0.; 
    double EOPU = 0.; 
    double SHEARTOL = 0.;
 
    double E = 0., n = 0.;
    // stirrups
    double stirrE = 0., stirrFt = 0., stirrA = 0., stirrTOL = 0., stirrEREF = 0., stirrLAMBDA = 0.;
    int IS_PLASTIC_FLOW = 0;
    int IFAD = 0;
 
    IsotropicLinearElasticMaterial linearElasticMaterial;
 
public:
    Concrete2(int n, Domain * d);
 
    FloatArrayF<5> giveRealStressVector_PlateLayer(const FloatArrayF<5> &strain, GaussPoint *gp,TimeStep *tStep) const override;
 
    FloatMatrixF<5,5> givePlateLayerStiffMtrx(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
 
    std::unique_ptr<MaterialStatus> CreateStatus(GaussPoint *gp) const override;
 
    double give(int, GaussPoint *gp) const override;
 
    const char *giveClassName() const override { return "Concrete2"; }
    const char *giveInputRecordName() const override { return _IFT_Concrete2_Name; }
    void initializeFrom(InputRecord &ir) override;
 
protected:
    void dtp3(GaussPoint *gp, FloatArray &e, FloatArray &s, FloatArray &ep,
              double SCC, double SCT, int *ifplas) const;
    void dtp2(GaussPoint *gp, FloatArray &e, FloatArray &s, FloatArray &ep,
              double SCC, double SCT, int *ifplas) const;
    void stirr(double dez, double srf) const;
    void strsoft(GaussPoint *gp, double epsult, FloatArray &ep, double &ep1,
                 double &ep2, double &ep3, double SCC, double SCT, int &ifupd) const;
 
    // two functions used to initialize and updating temporary variables in
    // gp's status. These variables are used to control process, when
    // we try to find equilibrium state.
    void updateStirrups(GaussPoint *gp, FloatArray &strainIncrement, TimeStep *tStep) const;
};
} // end namespace oofem
#endif // concrete2_h