CuboidMeshConstructor.cpp

00001 /*
00002 
00003 Copyright (C) University of Oxford, 2005-2010
00004 
00005 University of Oxford means the Chancellor, Masters and Scholars of the
00006 University of Oxford, having an administrative office at Wellington
00007 Square, Oxford OX1 2JD, UK.
00008 
00009 This file is part of Chaste.
00010 
00011 Chaste is free software: you can redistribute it and/or modify it
00012 under the terms of the GNU Lesser General Public License as published
00013 by the Free Software Foundation, either version 2.1 of the License, or
00014 (at your option) any later version.
00015 
00016 Chaste is distributed in the hope that it will be useful, but WITHOUT
00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
00019 License for more details. The offer of Chaste under the terms of the
00020 License is subject to the License being interpreted in accordance with
00021 English Law and subject to any action against the University of Oxford
00022 being under the jurisdiction of the English Courts.
00023 
00024 You should have received a copy of the GNU Lesser General Public License
00025 along with Chaste. If not, see <http://www.gnu.org/licenses/>.
00026 
00027 */
00028 
00029 
00030 #include "CuboidMeshConstructor.hpp"
00031 #include "UblasCustomFunctions.hpp"
00032 
00033 
00035 // Implementation
00037 
00038 
00039 template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
00040 void CuboidMeshConstructor<ELEMENT_DIM, SPACE_DIM>::ConstructHyperCube(AbstractTetrahedralMesh<1,SPACE_DIM>& rMesh, unsigned width)
00041 {
00042     rMesh.ConstructLinearMesh(width);
00043 }
00044 
00045 template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
00046 void CuboidMeshConstructor<ELEMENT_DIM, SPACE_DIM>::ConstructHyperCube(AbstractTetrahedralMesh<2,2>& rMesh, unsigned width)
00047 {
00048     rMesh.ConstructRectangularMesh(width, width);
00049 }
00050 
00051 template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
00052 void CuboidMeshConstructor<ELEMENT_DIM, SPACE_DIM>::ConstructHyperCube(AbstractTetrahedralMesh<3,3>& rMesh, unsigned width)
00053 {
00054     rMesh.ConstructCuboid(width, width, width);
00055 }
00056 
00057 template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
00058 void CuboidMeshConstructor<ELEMENT_DIM, SPACE_DIM>::Construct(AbstractTetrahedralMesh<ELEMENT_DIM,SPACE_DIM>& rMesh, unsigned meshRefinementNum, double meshWidth)
00059 {
00060     //The class has only been tested for ELEMENT_DIM == SPACE_DIM or ELEMENT_DIM == 1 && SPACE_DIM == 3
00061     assert(ELEMENT_DIM == SPACE_DIM || (ELEMENT_DIM == 1 && SPACE_DIM == 3));
00062 
00063     mMeshWidth = meshWidth;
00064     assert(meshRefinementNum < 30); //Sanity
00065 
00066     // Create the mesh
00067     unsigned mesh_size = (unsigned) SmallPow(2, meshRefinementNum+2); // number of elements in each dimension
00068     double scaling = mMeshWidth/(double) mesh_size;
00069     ConstructHyperCube(rMesh, mesh_size);
00070     rMesh.Scale(scaling, scaling, scaling);
00071     mNumElements = rMesh.GetNumElements();
00072     mNumNodes = rMesh.GetNumNodes();
00073 }
00074 
00075 template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
00076 double CuboidMeshConstructor<ELEMENT_DIM, SPACE_DIM>::GetWidth()
00077 {
00078     return mMeshWidth;
00079 }
00080 
00081 template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
00082 unsigned CuboidMeshConstructor<ELEMENT_DIM, SPACE_DIM>::GetNumElements()
00083 {
00084     return mNumElements;
00085 }
00086 
00087 template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
00088 unsigned CuboidMeshConstructor<ELEMENT_DIM, SPACE_DIM>::GetNumNodes()
00089 {
00090     return mNumNodes;
00091 }
00092 
00093 
00094 
00096 // Explicit instantiation
00098 
00099 template class CuboidMeshConstructor<1>;
00100 template class CuboidMeshConstructor<2>;
00101 template class CuboidMeshConstructor<3>;
00102 template class CuboidMeshConstructor<1,3>;