Chaste Release::3.1
CardiacElectroMechProbRegularGeom.hpp
00001 /*
00002 
00003 Copyright (c) 2005-2012, University of Oxford.
00004 All rights reserved.
00005 
00006 University of Oxford means the Chancellor, Masters and Scholars of the
00007 University of Oxford, having an administrative office at Wellington
00008 Square, Oxford OX1 2JD, UK.
00009 
00010 This file is part of Chaste.
00011 
00012 Redistribution and use in source and binary forms, with or without
00013 modification, are permitted provided that the following conditions are met:
00014  * Redistributions of source code must retain the above copyright notice,
00015    this list of conditions and the following disclaimer.
00016  * Redistributions in binary form must reproduce the above copyright notice,
00017    this list of conditions and the following disclaimer in the documentation
00018    and/or other materials provided with the distribution.
00019  * Neither the name of the University of Oxford nor the names of its
00020    contributors may be used to endorse or promote products derived from this
00021    software without specific prior written permission.
00022 
00023 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00024 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00025 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00026 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
00027 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00028 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
00029 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00030 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00031 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
00032 OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033 
00034 */
00035 
00036 #ifndef CARDIACELECTROMECHPROBREGULARGEOM_HPP_
00037 #define CARDIACELECTROMECHPROBREGULARGEOM_HPP_
00038 
00039 #include "CardiacElectroMechanicsProblem.hpp"
00040 
00052 template<unsigned DIM>
00053 class CardiacElectroMechProbRegularGeom : public CardiacElectroMechanicsProblem<DIM>
00054 {
00055 public:
00056 
00070     CardiacElectroMechProbRegularGeom(CompressibilityType compressibilityType,
00071                                       double width,
00072                                       unsigned numMechanicsElementsEachDir,
00073                                       unsigned numElectricsElementsEachDir,
00074                                       AbstractCardiacCellFactory<DIM>* pCellFactory,
00075                                       ContractionModelName contractionModel,
00076                                       double mechanicsSolveTimestep,
00077                                       double contractionModelOdeTimeStep,
00078                                       std::string outputDirectory = "")
00079         : CardiacElectroMechanicsProblem<DIM,1>(compressibilityType,
00080                                               MONODOMAIN,
00081                                               NULL, NULL,
00082                                               pCellFactory,
00083                                               NULL,
00084                                               outputDirectory)
00085     {
00086         assert(DIM==2); // the below assumes DIM==2
00087 
00088         assert(width > 0.0);
00089         assert(numMechanicsElementsEachDir > 0);
00090         assert(numElectricsElementsEachDir > 0);
00091 
00092         // create electrics mesh
00093         this->mpElectricsMesh = new TetrahedralMesh<DIM,DIM>();
00094 
00095         this->mpElectricsMesh->ConstructRegularSlabMesh(width/numElectricsElementsEachDir, width, width);
00096 
00097         // create mechanics mesh
00098         this->mpMechanicsMesh = new QuadraticMesh<DIM>(width/numMechanicsElementsEachDir, width, width);
00099         LOG(2, "Width of meshes is " << width);
00100         LOG(2, "Num nodes in electrical and mechanical meshes are: " << this->mpElectricsMesh->GetNumNodes() << ", " << this->mpMechanicsMesh->GetNumNodes() << "\n");
00101 
00102         this->mpProblemDefinition = new ElectroMechanicsProblemDefinition<DIM>(*(this->mpMechanicsMesh));
00103 
00104         // fix the nodes on x=0
00105         std::vector<unsigned> fixed_nodes;
00106         for(unsigned i=0; i<this->mpMechanicsMesh->GetNumNodes(); i++)
00107         {
00108             if( fabs(this->mpMechanicsMesh->GetNode(i)->rGetLocation()[0])<1e-6)
00109             {
00110                 fixed_nodes.push_back(i);
00111             }
00112         }
00113         this->mpProblemDefinition->SetZeroDisplacementNodes(fixed_nodes);
00114 
00115         LOG(2, "Fixed the " << fixed_nodes.size() << " nodes on x=0");
00116 
00117         this->mpProblemDefinition->SetUseDefaultCardiacMaterialLaw(compressibilityType);
00118         this->mpProblemDefinition->SetContractionModel(contractionModel,contractionModelOdeTimeStep);
00119         this->mpProblemDefinition->SetMechanicsSolveTimestep(mechanicsSolveTimestep);
00120     }
00121 
00122     ~CardiacElectroMechProbRegularGeom()
00123     {
00124         delete this->mpElectricsMesh;
00125         delete this->mpMechanicsMesh;
00126         delete this->mpProblemDefinition;
00127     }
00128 };
00129 
00130 #endif /*CARDIACELECTROMECHPROBREGULARGEOM_HPP_*/