mooneyrivlin.h

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/*
 *
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 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
 *            #####    #####   ##      ######  ##     ##
 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2014   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 mooneyrivlinmaterial_h
#define mooneyrivlinmaterial_h

#include "../sm/Materials/structuralmaterial.h"
#include "../sm/Materials/structuralms.h"


#define _IFT_MooneyRivlinMaterial_Name "mooneyrivlin"
#define _IFT_MooneyRivlinMaterial_c1 "c1"
#define _IFT_MooneyRivlinMaterial_c2 "c2"
#define _IFT_MooneyRivlinMaterial_k "k"


namespace oofem {
class MooneyRivlinMaterial : public StructuralMaterial
{
protected:
    // Material parameters
    double C1;
    double C2;
    double K;


public:
    MooneyRivlinMaterial(int n, Domain *d);

    virtual IRResultType initializeFrom(InputRecord *ir);

    virtual void give3dMaterialStiffnessMatrix(FloatMatrix &answer,
                                               MatResponseMode mode, GaussPoint *gp,
                                               TimeStep *tStep) { OOFEM_ERROR("not implemented, this material is designed for large strains only"); }


    virtual void givePlaneStrainStiffMtrx_dPdF(FloatMatrix &answer, MatResponseMode mode, GaussPoint *gp, TimeStep *tStep);
    virtual void give3dMaterialStiffnessMatrix_dPdF(FloatMatrix &answer,
                                                    MatResponseMode mode,
                                                    GaussPoint *gp, TimeStep *tStep);


    virtual void giveRealStressVector_3d(FloatArray &answer, GaussPoint *gp, const FloatArray &reducedStrain, TimeStep *tStep) { OOFEM_ERROR("not implemented, this material is designed for large strains only"); }
    virtual void giveFirstPKStressVector_3d(FloatArray &answer, GaussPoint *gp, const FloatArray &vF, TimeStep *tStep);
    void giveFirstPKStressVector_PlaneStrain(FloatArray &answer, GaussPoint *gp, const FloatArray &reducedvF, TimeStep *tStep);
    virtual MaterialStatus *CreateStatus(GaussPoint *gp) const;

    virtual const char *giveInputRecordName() const { return _IFT_MooneyRivlinMaterial_Name; }
    virtual const char *giveClassName() const { return "MooneyRivlinMaterial"; }
};

} // end namespace oofem
#endif