ortholinearelasticmaterial.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 ortholinearelasticmaterial_h
#define ortholinearelasticmaterial_h
 
#include "sm/Materials/linearelasticmaterial.h"
#include "dictionary.h"
#include "floatarray.h"
#include "floatmatrix.h"
#include "matconst.h"
#include "element.h"
 
#include <memory>


#define _IFT_OrthotropicLinearElasticMaterial_Name "orthole"
#define _IFT_OrthotropicLinearElasticMaterial_ex "ex"
#define _IFT_OrthotropicLinearElasticMaterial_ey "ey"
#define _IFT_OrthotropicLinearElasticMaterial_ez "ez"
#define _IFT_OrthotropicLinearElasticMaterial_nyyz "nyyz"
#define _IFT_OrthotropicLinearElasticMaterial_nyxz "nyxz"
#define _IFT_OrthotropicLinearElasticMaterial_nyxy "nyxy"
#define _IFT_OrthotropicLinearElasticMaterial_gyz "gyz"
#define _IFT_OrthotropicLinearElasticMaterial_gxz "gxz"
#define _IFT_OrthotropicLinearElasticMaterial_gxy "gxy"
#define _IFT_OrthotropicLinearElasticMaterial_talphax "talphax"
#define _IFT_OrthotropicLinearElasticMaterial_talphay "talphay"
#define _IFT_OrthotropicLinearElasticMaterial_talphaz "talphaz"
#define _IFT_OrthotropicLinearElasticMaterial_lcs "lcs"
#define _IFT_OrthotropicLinearElasticMaterial_scs "scs"
 
namespace oofem {
class GaussPoint;

enum CS_type {
    unknownCS, 
    localCS, 
    shellCS,
};

class OrthotropicLinearElasticMaterial : public LinearElasticMaterial
{
protected:
    CS_type cs_type;
    FloatMatrixF<3,3> localCoordinateSystem;
    FloatArrayF<3> helpPlaneNormal;
    // in localCoordinateSystem the unity vectors are stored
    // COLUMWISE (this is exception, but allows faster numerical
    // implementation)
 
public:
 
    OrthotropicLinearElasticMaterial(int n, Domain * d) : LinearElasticMaterial(n, d),
        cs_type(unknownCS)
    { }
 
    FloatArrayF<6> giveThermalDilatationVector(GaussPoint *gp, TimeStep *tStep) const override;
 
    const char *giveInputRecordName() const override { return _IFT_OrthotropicLinearElasticMaterial_Name; }
    const char *giveClassName() const override { return "OrthotropicLinearElasticMaterial"; }
    void initializeFrom(InputRecord &ir) override;
    void giveInputRecord(DynamicInputRecord &input) override;
    double give(int aProperty, GaussPoint *gp) const override;
 
    FloatMatrixF<6,6> give3dMaterialStiffnessMatrix(MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const override;
 
protected:
    FloatMatrixF<3,3> giveTensorRotationMatrix(GaussPoint *gp) const;
    FloatMatrixF<6,6> giveRotationMatrix(GaussPoint *gp) const;
 
    friend class CrossSection;
};
} // end namespace oofem
#endif // ortholinearelasticmaterial_h