intelline1intpen.h

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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 SRC_SM_ELEMENTS_INTERFACES_INTELLINE1INTPEN_H_
#define SRC_SM_ELEMENTS_INTERFACES_INTELLINE1INTPEN_H_

#include "intelline1.h"
#define _IFT_IntElLine1IntPen_Name "intelline1intpen"

namespace oofem {
class FEI2dLineLin;

class IntElLine1IntPen : public IntElLine1 {
public:
  IntElLine1IntPen(int n, Domain * d);
  virtual ~IntElLine1IntPen();

    virtual const char *giveInputRecordName() const { return _IFT_IntElLine1IntPen_Name; }
    virtual const char *giveClassName() const { return "IntElLine1IntPen"; }

    virtual int computeGlobalCoordinates(FloatArray &answer, const FloatArray &lcoords);


    virtual void computeCovarBaseVectorAt(GaussPoint *gp, FloatArray &G);

    virtual void computeStiffnessMatrix(FloatMatrix &answer, MatResponseMode rMode, TimeStep *tStep);


    virtual void giveInternalForcesVector(FloatArray &answer, TimeStep *tStep, int useUpdatedGpRecord = 0);

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

    Element_Geometry_Type giveGeometryType() const { return EGT_quad_21_interface; }

};

} /* namespace oofem */

#endif /* SRC_SM_ELEMENTS_INTERFACES_INTELLINE1INTPEN_H_ */