latticelinearelastic.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.
 *
 *  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 General Public License for more details.
 *
 *  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 latticelinearelastic_h
#define latticelinearelastic_h
 
#include "latticestructuralmaterial.h"
#include "cltypes.h"
#include "randommaterialext.h"
#include "strainvector.h"
#include "stressvector.h"
#include "latticematstatus.h"


#define _IFT_LatticeLinearElastic_Name "latticelinearelastic"
#define _IFT_LatticeLinearElastic_talpha "talpha"
#define _IFT_LatticeLinearElastic_e "e"
#define _IFT_LatticeLinearElastic_n "n"
#define _IFT_LatticeLinearElastic_a1 "a1"
#define _IFT_LatticeLinearElastic_a2 "a2"
#define _IFT_LatticeLinearElastic_localrandomtype "randomtype"
#define _IFT_LatticeLinearElastic_cov "cov"
#define _IFT_LatticeLinearElastic_calpha "calpha"
 
namespace oofem {
class LatticeLinearElastic : public LatticeStructuralMaterial, public RandomMaterialExtensionInterface
{
protected:
    double eNormalMean = 0.;

    double alphaOne = 0.;

    double alphaTwo = 0.;

    double coefficientOfVariation = 0.;

    double localRandomType = 0.;

    double cAlpha = 0.;
 
public:
    LatticeLinearElastic(int n, Domain *d) : LatticeStructuralMaterial(n, d), RandomMaterialExtensionInterface() { };
 
 
    LatticeLinearElastic(int n, Domain *d, double eNormalMean, double alphaOne, double alphaTwo);
 
    const char *giveInputRecordName() const override { return _IFT_LatticeLinearElastic_Name; }
 
    const char *giveClassName() const override { return "LatticeLinearElastic"; }
 
    void initializeFrom(InputRecord &ir) override;
 
    FloatArrayF< 6 >giveThermalDilatationVector(GaussPoint *gp, TimeStep *tStep) const override;
 
    bool isCharacteristicMtrxSymmetric(MatResponseMode rMode) const override { return false; }
 
    FloatArrayF< 6 >giveLatticeStress3d(const FloatArrayF< 6 > &strain, GaussPoint *gp, TimeStep *tStep) override;
 
    FloatMatrixF< 6, 6 >give3dLatticeStiffnessMatrix(MatResponseMode rMode, GaussPoint *gp, TimeStep *tStep) const override;
 
    FloatMatrixF< 3, 3 >give2dLatticeStiffnessMatrix(MatResponseMode rMode, GaussPoint *gp, TimeStep *tStep) const override;
 
 
    bool hasMaterialModeCapability(MaterialMode mode) const override;
 
 
    Interface *giveInterface(InterfaceType) override;
 
    virtual void giveRandomParameters(FloatArray &param);
 
    std::unique_ptr<MaterialStatus> CreateStatus(GaussPoint *gp) const override;
 
    MaterialStatus *giveStatus(GaussPoint *gp) const override;
 
    double  give(int aProperty, GaussPoint *gp) const override;
 
protected:
};
} // end namespace oofem
 
#endif