00001 /* @HEADER@ */ 00002 // ************************************************************************ 00003 // 00004 // Sundance 00005 // Copyright (2005) Sandia Corporation 00006 // 00007 // Copyright (year first published) Sandia Corporation. Under the terms 00008 // of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government 00009 // retains certain rights in this software. 00010 // 00011 // This library is free software; you can redistribute it and/or modify 00012 // it under the terms of the GNU Lesser General Public License as 00013 // published by the Free Software Foundation; either version 2.1 of the 00014 // License, or (at your option) any later version. 00015 // 00016 // This library is distributed in the hope that it will be useful, but 00017 // WITHOUT ANY WARRANTY; without even the implied warranty of 00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00019 // Lesser General Public License for more details. 00020 // 00021 // You should have received a copy of the GNU Lesser General Public 00022 // License along with this library; if not, write to the Free Software 00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00024 // USA 00025 // Questions? Contact Kevin Long (krlong@sandia.gov), 00026 // Sandia National Laboratories, Livermore, California, USA 00027 // 00028 // ************************************************************************ 00029 /* @HEADER@ */ 00030 /* 00031 * SundanceSurfQuadrature.cpp 00032 * 00033 * Created on: Oct 24, 2011 00034 * Author: benk 00035 */ 00036 00037 #include "SundanceSurfQuadrature.hpp" 00038 00039 using namespace Sundance; 00040 using namespace Teuchos; 00041 00042 00043 SurfQuadrature::SurfQuadrature( const QuadratureFamily& quad ) 00044 : QuadratureFamilyBase(quad.order()) , quad_(quad) 00045 { 00046 00047 } 00048 00049 XMLObject SurfQuadrature::toXML() const 00050 { 00051 XMLObject rtn("SurfQuadrature"); 00052 rtn.addAttribute("order", Teuchos::toString(order())); 00053 return rtn; 00054 } 00055 00056 void SurfQuadrature::getQuadRule(Array<Point>& quadPoints, 00057 Array<double>& quadWeights) const 00058 { 00059 // IMPORTANT: this quadrature class should only be used for Surface Integrals in 3D with Brick cells 00060 getTriangleRule( quadPoints, quadWeights); 00061 } 00062 00063 00064 void SurfQuadrature::getTriangleRule(Array<Point>& quadPoints, 00065 Array<double>& quadWeights) const 00066 { 00067 Array<Point> quadPoints_tmp; 00068 Array<double> quadWeights_tmp; 00069 quad_.getPoints( TriangleCell , quadPoints_tmp , quadWeights_tmp ); 00070 00071 // the nr. of points per line segments 00072 int nrPointPerLine = quadPoints_tmp.size() , ind = 0; 00073 00074 // resize the point arrays and the weight arrays 00075 quadPoints.resize( 4 * nrPointPerLine ); 00076 quadWeights.resize( 4 * nrPointPerLine ); 00077 00078 // each line segment 00079 for (int nrl = 0 ; nrl < 4 ; nrl++ ){ 00080 // loop over each quadrature point 00081 for (int q = 0 ; q < nrPointPerLine ; q++ ){ 00082 // copy the points and the weights several times 00083 quadPoints[ind] = quadPoints_tmp[q]; 00084 quadWeights[ind] = quadWeights_tmp[q]/((double)4.0); 00085 ind++; 00086 } 00087 } 00088 }