trplanestressrotallman.h

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/*
 *
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 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
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 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2013   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 trplanestressrotallman_h
#define trplanestressrotallman_h

#include "../sm/Elements/PlaneStress/trplanstrss.h"
#include "../sm/CrossSections/layeredcrosssection.h"



#define _IFT_TrPlanestressRotAllman_Name "trplanestressrotallman"


namespace oofem {
class FEI2dTrQuad;

class TrPlanestressRotAllman : public TrPlaneStress2d, public LayeredCrossSectionInterface
{
protected:
    static FEI2dTrQuad qinterpolation; // quadratic interpolation for constructing shape functons

public:
    TrPlanestressRotAllman(int, Domain *);
    virtual ~TrPlanestressRotAllman() { }


    
protected:
    virtual void computeBmatrixAt(GaussPoint *gp, FloatMatrix &answer, int = 1, int = ALL_STRAINS);
    virtual void computeNmatrixAt(const FloatArray &iLocCoord, FloatMatrix &answer);

    virtual double giveArea();
    virtual void computeLocalNodalCoordinates(std::vector< FloatArray > &lxy);
    void computeStiffnessMatrixZeroEnergyStabilization(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep);
public:
    // definition & identification
    virtual const char *giveInputRecordName() const { return _IFT_TrPlanestressRotAllman_Name; }
    virtual const char *giveClassName() const { return "TrPlanestressRotAllman"; }
    virtual IRResultType initializeFrom(InputRecord *ir);
    virtual MaterialMode giveMaterialMode() { return _PlaneStress; }
    virtual integrationDomain giveIntegrationDomain() const { return _Triangle; }
    virtual void computeStiffnessMatrix(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep);
    virtual void computeGaussPoints();
    virtual int computeNumberOfDofs() { return 9; }
    virtual void giveDofManDofIDMask(int inode, IntArray &) const;

    Interface *giveInterface(InterfaceType interface);
    // layered cross section support functions
    virtual void computeStrainVectorInLayer(FloatArray &answer, const FloatArray &masterGpStrain,
                                            GaussPoint *masterGp, GaussPoint *slaveGp, TimeStep *tStep);

    void computeBoundaryEdgeLoadVector(FloatArray &answer, BoundaryLoad *load, int boundary, CharType type, ValueModeType mode, TimeStep *tStep, bool global);
    void computeEgdeNMatrixAt(FloatMatrix &answer, int iedge, GaussPoint *gp);
    void giveEdgeDofMapping(IntArray &answer, int iEdge) const;
    int SPRNodalRecoveryMI_giveNumberOfIP();
};
} // end namespace oofem
#endif //  trplanestressrotallman_h