q9planstrss.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 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 Q9PLANSTRSS_H_
#define Q9PLANSTRSS_H_
 
#include "sm/Elements/structural2delement.h"
#include "zznodalrecoverymodel.h"
#include "nodalaveragingrecoverymodel.h"
 
#define _IFT_Q9PlaneStress2d_Name "q9planestress2d"
 
namespace oofem {
class FEI2dQuadBiQuad;

class Q9PlaneStress2d : public PlaneStressElement, public ZZNodalRecoveryModelInterface, public NodalAveragingRecoveryModelInterface
{
protected:
    static FEI2dQuadBiQuad interpolation;
 
public:
    Q9PlaneStress2d(int n, Domain * d);
    virtual ~Q9PlaneStress2d() { }
 
    // definition & identification
    const char *giveInputRecordName() const override { return _IFT_Q9PlaneStress2d_Name; }
    const char *giveClassName() const override { return "Q9PlaneStress2d"; }
    Element_Geometry_Type giveGeometryType() const override {return EGT_quad9_2;}
 
    FEInterpolation *giveInterpolation() const override;
 
    Interface *giveInterface(InterfaceType it) override;
 
    void NodalAveragingRecoveryMI_computeNodalValue(FloatArray &answer, int node,
                                                    InternalStateType type, TimeStep *tStep) override;
 
};
} // end namespace oofem
#endif // qplanstrss_h