ogdencompressiblematerial.h

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/*
 *
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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 ogdencompressiblematerial_h
#define ogdencompressiblematerial_h
 
#include "../sm/Materials/structuralmaterial.h"
#include "../sm/Materials/structuralms.h"
#include "basehyperelasticmaterial.h"


#define _IFT_OgdenCompressibleMaterial_Name "ogdencompressiblemat"
 
#define _IFT_OgdenCompressibleMaterial_alpha "alpha"
#define _IFT_OgdenCompressibleMaterial_mu "mu"
 
namespace oofem {
class OgdenCompressibleMaterial : public StructuralMaterial, public BaseHyperElasticMaterial
{
protected:
    FloatArray alpha;
    FloatArray mu;
    int N;
 
 
public:
    OgdenCompressibleMaterial(int n, Domain *d);
 
 
    FloatMatrixF< 6, 6 >give3dMaterialStiffnessMatrix(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override { OOFEM_ERROR("not implemented, this material is designed for large strains only"); }
 
    FloatArrayF< 6 >giveRealStressVector_3d(const FloatArrayF< 6 > &strain, GaussPoint *gp, TimeStep *tStep) const override { OOFEM_ERROR("not implemented, this material is designed for large strains only"); }
    FloatMatrixF< 9, 9 >give3dMaterialStiffnessMatrix_dPdF(MatResponseMode,
                                                           GaussPoint *gp,
                                                           TimeStep *tStep) const override;
 
    FloatArrayF< 9 >giveFirstPKStressVector_3d(const FloatArrayF< 9 > &vF, GaussPoint *gp, TimeStep *tStep) const override;
 
    virtual void initializeFrom(InputRecord &ir) override;
    std::unique_ptr<MaterialStatus> CreateStatus(GaussPoint *gp) const override;
    virtual const char *giveInputRecordName() const override { return _IFT_OgdenCompressibleMaterial_Name; }
    virtual const char *giveClassName() const override { return "OgdenCompressibleMaterial"; }
 
private:
    Tensor2_3d giveDeviatoricSecondPKStressVector_3d(const Tensor2_3d &C) const;
};
} // end namespace oofem
#endif