latticeviscoelastic.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 program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
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 *  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
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 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
#ifndef latticeviscoelastic_h
#define latticeviscoelastic_h
 
#include "latticelinearelastic.h"
#include "latticematstatus.h"
#include "../RheoChainMaterials/rheoChM.h"


#define _IFT_LatticeViscoelastic_Name "latticeviscoelastic"
#define _IFT_LatticeViscoelastic_viscoMat "viscomat"

 
namespace oofem {
class LatticeViscoelasticStatus : public LatticeMaterialStatus
 
{
protected:
    std :: unique_ptr< GaussPoint >slaveGpVisco;
 
public:

    LatticeViscoelasticStatus(GaussPoint *g);

    void printOutputAt(FILE *file, TimeStep *tStep) const override;
 
 
    const char *giveClassName() const override { return "LatticeViscoelasticStatus"; }
 
    void initTempStatus() override;
 
    void updateYourself(TimeStep *) override;
 
 
    void saveContext(DataStream &stream, ContextMode mode) override;
 
    void restoreContext(DataStream &stream, ContextMode mode) override;
 
    GaussPoint *giveSlaveGaussPointVisco() const { return this->slaveGpVisco.get(); }
};
 
 
 
 

class LatticeViscoelastic : public LatticeLinearElastic
 
{
protected:
    int viscoMat = 0;
 
 
public:

    LatticeViscoelastic(int n, Domain *d);
 
 
    const char *giveInputRecordName() const override { return _IFT_LatticeViscoelastic_Name; }
    const char *giveClassName() const override { return "LatticeViscoelastic"; }
 
    void initializeFrom(InputRecord &ir) override;
 
    FloatMatrixF< 6, 6 >give3dLatticeStiffnessMatrix(MatResponseMode rmode,
                                                     GaussPoint *gp,
                                                     TimeStep *atTime) const override;
 
    FloatMatrixF< 3, 3 >give2dLatticeStiffnessMatrix(MatResponseMode rmode,
                                                     GaussPoint *gp,
                                                     TimeStep *atTime) const override;
 
 
    FloatArrayF< 6 >giveLatticeStress3d(const FloatArrayF< 6 > &totalStrain,
                                        GaussPoint *gp,
                                        TimeStep *tStep) override;
 
 
    std::unique_ptr<MaterialStatus> CreateStatus(GaussPoint *gp) const override;
 
protected:
 
    int giveIPValue(FloatArray &answer,
                    GaussPoint *gp,
                    InternalStateType type,
                    TimeStep *atTime) override;
 
    int checkConsistency(void) override;
};
} // end namespace oofem
 
 
#endif