SimpleLinearEllipticSolver.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 SIMPLELINEARELLIPTICSOLVER_HPP_
00030 #define SIMPLELINEARELLIPTICSOLVER_HPP_
00031 
00032 
00033 
00034 #include "AbstractAssemblerSolverHybrid.hpp"
00035 #include "AbstractStaticLinearPdeSolver.hpp"
00036 #include "AbstractLinearEllipticPde.hpp"
00037 
00038 
00044 template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
00045 class SimpleLinearEllipticSolver 
00046    : public AbstractAssemblerSolverHybrid<ELEMENT_DIM, SPACE_DIM, 1, NORMAL>, 
00047      public AbstractStaticLinearPdeSolver<ELEMENT_DIM, SPACE_DIM, 1>
00048 {
00049 protected:
00050 
00052     AbstractLinearEllipticPde<ELEMENT_DIM,SPACE_DIM>* mpEllipticPde;
00053 
00066     virtual c_matrix<double, 1*(ELEMENT_DIM+1), 1*(ELEMENT_DIM+1)> ComputeMatrixTerm(
00067         c_vector<double, ELEMENT_DIM+1>& rPhi,
00068         c_matrix<double, SPACE_DIM, ELEMENT_DIM+1>& rGradPhi,
00069         ChastePoint<SPACE_DIM>& rX,
00070         c_vector<double,1>& rU,
00071         c_matrix<double,1,SPACE_DIM>& rGradU,
00072         Element<ELEMENT_DIM,SPACE_DIM>* pElement);
00073 
00085     virtual c_vector<double,1*(ELEMENT_DIM+1)> ComputeVectorTerm(
00086         c_vector<double, ELEMENT_DIM+1>& rPhi,
00087         c_matrix<double, SPACE_DIM, ELEMENT_DIM+1>& rGradPhi,
00088         ChastePoint<SPACE_DIM>& rX,
00089         c_vector<double,1>& rU,
00090         c_matrix<double,1,SPACE_DIM>& rGradU,
00091         Element<ELEMENT_DIM,SPACE_DIM>* pElement);
00092         
00093         
00105     virtual c_vector<double, ELEMENT_DIM> ComputeVectorSurfaceTerm(const BoundaryElement<ELEMENT_DIM-1,SPACE_DIM>& rSurfaceElement,
00106             c_vector<double, ELEMENT_DIM>& rPhi,
00107             ChastePoint<SPACE_DIM>& rX);
00108 
00116     void SetupLinearSystem(Vec currentSolution, bool computeMatrix)
00117     {
00118         SetupGivenLinearSystem(currentSolution, computeMatrix, this->mpLinearSystem);
00119     }
00120     
00121 public:
00122 
00131     SimpleLinearEllipticSolver(AbstractTetrahedralMesh<ELEMENT_DIM,SPACE_DIM>* pMesh,
00132                                AbstractLinearEllipticPde<ELEMENT_DIM,SPACE_DIM>* pPde,
00133                                BoundaryConditionsContainer<ELEMENT_DIM,SPACE_DIM,1>* pBoundaryConditions,
00134                                unsigned numQuadPoints = 2);
00135 
00142     void InitialiseForSolve(Vec initialSolution = NULL);
00143 };
00144 
00145 #endif /*SIMPLELINEARELLIPTICSOLVER_HPP_*/

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