Chaste  Release::3.4
CardiacElectroMechProbRegularGeom.hpp
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36 #ifndef CARDIACELECTROMECHPROBREGULARGEOM_HPP_
37 #define CARDIACELECTROMECHPROBREGULARGEOM_HPP_
38 
39 #include "CardiacElectroMechanicsProblem.hpp"
40 
52 template<unsigned DIM>
54 {
55 public:
56 
70  CardiacElectroMechProbRegularGeom(CompressibilityType compressibilityType,
71  double width,
72  unsigned numMechanicsElementsEachDir,
73  unsigned numElectricsElementsEachDir,
74  AbstractCardiacCellFactory<DIM>* pCellFactory,
75  ContractionModelName contractionModel,
76  double mechanicsSolveTimestep,
77  double contractionModelOdeTimeStep,
78  std::string outputDirectory = "")
79  : CardiacElectroMechanicsProblem<DIM,1>(compressibilityType,
80  MONODOMAIN,
81  NULL, NULL,
82  pCellFactory,
83  NULL,
84  outputDirectory)
85  {
86  assert(DIM==2); // the below assumes DIM==2
87 
88  assert(width > 0.0);
89  assert(numMechanicsElementsEachDir > 0);
90  assert(numElectricsElementsEachDir > 0);
91 
92  // create electrics mesh
94 
95  this->mpElectricsMesh->ConstructRegularSlabMesh(width/numElectricsElementsEachDir, width, width);
96 
97  // create mechanics mesh
98  this->mpMechanicsMesh = new QuadraticMesh<DIM>(width/numMechanicsElementsEachDir, width, width);
99  LOG(2, "Width of meshes is " << width);
100  LOG(2, "Num nodes in electrical and mechanical meshes are: " << this->mpElectricsMesh->GetNumNodes() << ", " << this->mpMechanicsMesh->GetNumNodes() << "\n");
101 
103 
104  // fix the nodes on x=0
105  std::vector<unsigned> fixed_nodes;
106  for(unsigned i=0; i<this->mpMechanicsMesh->GetNumNodes(); i++)
107  {
108  if( fabs(this->mpMechanicsMesh->GetNode(i)->rGetLocation()[0])<1e-6)
109  {
110  fixed_nodes.push_back(i);
111  }
112  }
113  this->mpProblemDefinition->SetZeroDisplacementNodes(fixed_nodes);
114 
115  LOG(2, "Fixed the " << fixed_nodes.size() << " nodes on x=0");
116 
117  this->mpProblemDefinition->SetUseDefaultCardiacMaterialLaw(compressibilityType);
118  this->mpProblemDefinition->SetContractionModel(contractionModel,contractionModelOdeTimeStep);
119  this->mpProblemDefinition->SetMechanicsSolveTimestep(mechanicsSolveTimestep);
120  }
121 
123  {
124  delete this->mpElectricsMesh;
125  delete this->mpMechanicsMesh;
126  delete this->mpProblemDefinition;
127  }
128 };
129 
130 #endif /*CARDIACELECTROMECHPROBREGULARGEOM_HPP_*/
void ConstructRegularSlabMesh(double spaceStep, double width, double height=0, double depth=0)
virtual unsigned GetNumNodes() const
CardiacElectroMechProbRegularGeom(CompressibilityType compressibilityType, double width, unsigned numMechanicsElementsEachDir, unsigned numElectricsElementsEachDir, AbstractCardiacCellFactory< DIM > *pCellFactory, ContractionModelName contractionModel, double mechanicsSolveTimestep, double contractionModelOdeTimeStep, std::string outputDirectory="")
ElectroMechanicsProblemDefinition< DIM > * mpProblemDefinition