StiffnessMatrixAssembler.hpp

00001 /*
00002 
00003 Copyright (C) University of Oxford, 2005-2011
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 #ifndef STIFFNESSMATRIXASSEMBLER_HPP_
00030 #define STIFFNESSMATRIXASSEMBLER_HPP_
00031 
00032 #include "AbstractFeVolumeIntegralAssembler.hpp"
00033 #include "HeartConfig.hpp"
00034 
00042 template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
00043 class StiffnessMatrixAssembler
00044     : public AbstractFeVolumeIntegralAssembler<ELEMENT_DIM, SPACE_DIM, 1, false /*no vectors*/, true/*assembles matrices*/, NORMAL>
00045 {
00046 public:
00047 
00059     c_matrix<double,1*(ELEMENT_DIM+1),1*(ELEMENT_DIM+1)>
00060         ComputeMatrixTerm(
00061                 c_vector<double, ELEMENT_DIM+1> &rPhi,
00062                 c_matrix<double, SPACE_DIM, ELEMENT_DIM+1> &rGradPhi,
00063                 ChastePoint<SPACE_DIM> &rX,
00064                 c_vector<double,1> &rU,
00065                 c_matrix<double, 1, SPACE_DIM> &rGradU /* not used */,
00066                 Element<ELEMENT_DIM,SPACE_DIM>* pElement)
00067     {
00068         return prod( trans(rGradPhi), rGradPhi );
00069     }
00070 
00076     StiffnessMatrixAssembler(AbstractTetrahedralMesh<ELEMENT_DIM,SPACE_DIM>* pMesh)
00077         : AbstractFeVolumeIntegralAssembler<ELEMENT_DIM,SPACE_DIM,1,false,true,NORMAL>(pMesh)
00078     {
00079     }
00080 };
00081 
00082 #endif /*STIFFNESSMATRIXASSEMBLER_HPP_*/