basicelement.C

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/*
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 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2025   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
 */
 
#include "sm/Elements/PlaneStress/basicelement.h"
#include "fei2dtrlin.h"
#include "classfactory.h"
 
namespace oofem {
REGISTER_Element(BasicElement);
 
// Interpolator describing shape functions for the approximated unknowns.
// 1 -> first spatial index, 2 -> second spatial index
FEI2dTrLin BasicElement :: interp(1, 2);
 
BasicElement :: BasicElement(int n, Domain *aDomain) : PlaneStressElement(n, aDomain)
{
    this->numberOfGaussPoints = 1;
    this->numberOfDofMans = 3;
}
 
 
FEInterpolation *BasicElement :: giveInterpolation() const 
{ 
    /* Returns the interpolator used for the element which provide
     * shape functions, their derivatives, area of the element etc.
     */
    return & interp; 
}
 
 
} // end namespace oofem