CEPS  24.01
Cardiac ElectroPhysiology Simulator
DirichletAnodeCathodeSolver.cpp
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19  Copyright 2019-2024 Inria, Universite de Bordeaux
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21  Authors, in alphabetical order:
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23  Pierre-Elliott BECUE, Florian CARO, Yves COUDIERE(*), Andjela DAVIDOVIC,
24  Charlie DOUANLA-LONTSI, Marc FUENTES, Mehdi JUHOOR, Michael LEGUEBE(*),
25  Pauline MIGERDITICHAN, Valentin PANNETIER(*), Nejib ZEMZEMI.
26  * : currently active authors
27 
28 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
31 
34  : LaplacianSolver(problem)
35 {
36 }
37 
40 {
41 }
42 
45 {
46  return ceps::runtimeCast<DirichletAnodeCathodeProblem*>(m_problem);
47 }
48 
49 void
51 {
52  FEDivKGradAssembler* opAsb = ceps::getNew<FEDivKGradAssembler>(m_fe);
53  // Set diffusion coefficient for the single unknown
54  opAsb->setKForUnknown(m_problem->getUnknown(0),getDirichletAnodeCathodeProblem()->getDiffusionTensor());
55  opAsb->setMatrix(m_lhs.get());
56  m_opAsb = opAsb;
57 
58  m_bcAsb = ceps::getNew<FEDivKGradBCAssembler>(m_fe);
59  m_bcAsb->setMatrix(m_lhs.get());
60  m_bcAsb->setVector(m_rhs.get());
61 }
void setMatrix(DistributedMatrix *mat)
The matrix to assemble.
void setVector(DistributedVector *vec)
The vector to assemble.
Unknown * getUnknown(const CepsString &label) const
Get an unknown by its name.
DMatPtr m_lhs
Left hand side of the system.
DVecPtr m_rhs
Right hand side of the system.
AbstractAssembler * m_bcAsb
Assembler for Robin and Neumann BCs.
AbstractAssembler * m_opAsb
Assembler for the operator matrix.
AbstractPdeProblem * m_problem
Link to PDE to solve.
Poisson equation with Dirichlet 1 on anode, 0 on cathode. Neumann elsewhere. Functional tensorial con...
DirichletAnodeCathodeProblem * getDirichletAnodeCathodeProblem() const
Returns a pointer to the linked problem with appropriate type.
void initializeAssemblers() override
Creates the LHS assembler.
DirichletAnodeCathodeSolver(DirichletAnodeCathodeProblem *problem)
Constructor.
~DirichletAnodeCathodeSolver() override
Destructor.
Assembles the stiffness matrix for a given k-simplexes geometry.
void setKForUnknown(Unknown *u, CepsMathScalar k)
Register the diffusion coefficient (x,t,...) for given unknown.
FiniteElements * m_fe
Geometry and reference FE.
Solve laplacian equation with backward Euler, constant time step, using Finite Elements.