directei.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 "xfem/directei.h"
#include "geometry.h"
 
namespace oofem {
DirectEI :: DirectEI(int n, XfemManager *xm, Domain *aDomain) :
    GeometryBasedEI(n, xm, aDomain)
{}
 
DirectEI :: ~DirectEI()
{}
 
void DirectEI :: evalLevelSetNormal(double &oLevelSet, const FloatArray &iGlobalCoord, const FloatArray &iN, const IntArray &iNodeInd) const
{
    mpBasicGeometry->computeNormalSignDist(oLevelSet, iGlobalCoord);
}
 
void DirectEI :: evalLevelSetTangential(double &oLevelSet, const FloatArray &iGlobalCoord, const FloatArray &iN, const IntArray &iNodeInd) const
{
    double arcPos = 0.0;
    mpBasicGeometry->computeTangentialSignDist(oLevelSet, iGlobalCoord, arcPos);
}
 
void DirectEI :: evalGradLevelSetNormal(FloatArray &oGradLevelSet, const FloatArray &iGlobalCoord, const FloatMatrix &idNdX, const IntArray &iNodeInd) const
{
    double arcPos = 0.0, tangSignDist = 0.0;
    mpBasicGeometry->computeTangentialSignDist(tangSignDist, iGlobalCoord, arcPos);
 
    FloatArray tangent;
    mpBasicGeometry->giveTangent(tangent, arcPos);
 
    oGradLevelSet = Vec2(
        -tangent [ 1 ], tangent [ 0 ]
    );
}
} /* namespace oofem */