An Object Finite Element Library

Line2H.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 'Line2H' for shape functions of 2-Node
                          Hermite Line Element in Space

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


#ifndef __LINE2H_H
#define __LINE2H_H

#include "OFELI_Config.h"
#include "FEShape.h"

namespace OFELI {

#ifndef DOXYGEN_SHOULD_SKIP_THIS
struct ErrorInLine2H {
   void Message(const char *file, size_t line, int code, int p1) const;
};
#endif /* DOXYGEN_SHOULD_SKIP_THIS */

class Line2H : public FEShape
{

 public :

    Line2H();

    Line2H(const Element *el);

    Line2H(const Side *side);

    ~Line2H()
    {
#ifdef _OFELI_DEBUG
        std::clog << "An instance of class Line2H is destructed.\n";
        std::clog << "File: " << __FILE__ << ", Line: " << __LINE__ << endl;
#endif
    }

    Point<double> getLocalPoint(double s) const;

    double Sh(size_t i, double s) const;

#ifndef DOXYGEN_SHOULD_SKIP_THIS
    double Sh(size_t i, Point<double> s) const { return Sh(i,s.x); }
#endif /* DOXYGEN_SHOULD_SKIP_THIS */

    double DSh(size_t i, double s) const;

    double D2Sh(size_t i, double s) const;

    double getDet() const { return _det; }

    double getLength() { return (_length=2*_det); }

    double check() const;

 private :

   double        _length;
   const Element *_el;
   const Side    *_sd;
   ErrorInLine2H _e;
};

} /* namespace OFELI */

#endif

Copyright © 1998-2007 Rachid Touzani