An Object Finite Element Library

Laplace2DT3.h

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/*==============================================================================

                                    O  F  E  L  I

                           Object  Finite  Element  Library

  ==============================================================================

   Copyright (C) 1998 - 2008 Rachid Touzani

   This program is free software; you can redistribute it and/or modify it under
   the terms of the GNU General Public License as published by the Free
   Software Foundation; Version 2 of the License.

   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 General Public License for more
   details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the :

   Free Software Foundation
   Inc., 59 Temple Place - Suite 330
   Boston, MA  02111-1307, USA

  ==============================================================================

                         Definition of class Laplace2DT3
              for 2-D Laplace equation using 3-node triangular element

  ==============================================================================*/


#ifndef __LAPLACE_2DT3_H
#define __LAPLACE_2DT3_H

#include "Equa_Laplace.h"
#include "Assembly.h"
#include "UserData.h"
#include "Triang3.h"
#include "Line2.h"

namespace OFELI {

class Laplace2DT3 : virtual public Equa_Laplace<double,3,3,2,2> {

public :

    Laplace2DT3(Mesh &ms, SpMatrix<double> &A, Vect<double> &b);

    Laplace2DT3(Element *el);

    Laplace2DT3(Side *sd);

    ~Laplace2DT3()
    {
       if (_tr)
          delete _tr;
       if (_ln)
          delete _ln;
#ifdef _OFELI_DEBUG
       std::clog << "An instance of class Laplace2DT3 is destructed.\n";
       std::clog << "File : " << __FILE__ << ", Line : " << __LINE__ << endl;
#endif
    }

    void LHS(double coef=1.);

    void BodyRHS(const Vect<double> &f);

    void BoundaryRHS(const Vect<double> &h);

    void setDiffusivity(const LocalMatrix<double,2,2> &K);

    void setSource(const Vect<double> &f);

    void build();

    void Post(const Vect<double> &u, Vect<Point<double> > &p);

    int solve(Vect<double> &u);

private :

   Triang3                *_tr;
   Line2                  *_ln;
   LocalMatrix<double,2,2> _K;
   void ElementSet(const Element *el);
};

} /* namespace OFELI */

#endif

Copyright © 1998-2007 Rachid Touzani