intelsurftr1.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 intelsurftr1_h
#define intelsurftr1_h

#include "../sm/Elements/Interfaces/structuralinterfaceelement.h"
#include "fei3dtrlin.h"

#define _IFT_IntElSurfTr1_Name "intelsurftr1"

namespace oofem {
class IntElSurfTr1 : public StructuralInterfaceElement
{
protected:
    static FEI3dTrLin interpolation;

public:
    IntElSurfTr1(int n, Domain *d);
    virtual ~IntElSurfTr1() { }

    virtual int computeGlobalCoordinates(FloatArray &answer, const FloatArray &lcoords);
    virtual bool computeLocalCoordinates(FloatArray &answer, const FloatArray &gcoords);
    virtual void computeCovarBaseVectorsAt(IntegrationPoint *ip, FloatArray &G1, FloatArray &G2);
    //virtual bool computeGtoLRotationMatrix(FloatMatrix &answer);
    virtual void computeTransformationMatrixAt(GaussPoint *gp, FloatMatrix &answer);

    virtual int computeNumberOfDofs() { return 18; }
    virtual void giveDofManDofIDMask(int inode, IntArray &answer) const;

    virtual double computeAreaAround(IntegrationPoint *ip);
    
    virtual void giveEngTraction(FloatArray &answer, GaussPoint *gp, const FloatArray &jump, TimeStep *tStep)
    {
        this->giveInterfaceCrossSection()->giveEngTraction_3d(answer, gp, jump, tStep);
    }

    virtual void giveStiffnessMatrix_Eng(FloatMatrix &answer, MatResponseMode rMode, IntegrationPoint *ip, TimeStep *tStep)
    {
        this->giveInterfaceCrossSection()->give3dStiffnessMatrix_Eng(answer, rMode, ip, tStep);
    }

    // definition & identification
    virtual const char *giveInputRecordName() const { return _IFT_IntElSurfTr1_Name; }
    virtual IRResultType initializeFrom(InputRecord *ir);
    virtual Element_Geometry_Type giveGeometryType() const { return EGT_wedge_1; }

    #ifdef __OOFEG
    virtual void drawRawGeometry(oofegGraphicContext &gc, TimeStep *tStep);
    virtual void drawDeformedGeometry(oofegGraphicContext &gc, TimeStep *tStep, UnknownType);
    virtual void drawScalar(oofegGraphicContext &gc, TimeStep *tStep);
    #endif

protected:
    virtual void computeNmatrixAt(GaussPoint *ip, FloatMatrix &answer);
    virtual void computeGaussPoints();

};
} // end namespace oofem
#endif // intelsurftr1_h