Nektar++
Laplace.cpp
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1///////////////////////////////////////////////////////////////////////////////
2//
3// File: Laplace.cpp
4//
5// For more information, please see: http://www.nektar.info
6//
7// The MIT License
8//
9// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
10// Department of Aeronautics, Imperial College London (UK), and Scientific
11// Computing and Imaging Institute, University of Utah (USA).
12//
13// Permission is hereby granted, free of charge, to any person obtaining a
14// copy of this software and associated documentation files (the "Software"),
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30//
31// Description: Laplace solve routines
32//
33///////////////////////////////////////////////////////////////////////////////
34
36
37namespace Nektar
38{
39
40std::string Laplace::className =
43
46 : EquationSystem(pSession, pGraph), m_factors()
47{
50}
51
52void Laplace::v_InitObject(bool DeclareFields)
53{
54 EquationSystem::v_InitObject(DeclareFields);
55}
56
58{
60}
61
63{
64 for (int i = 0; i < m_fields.size(); ++i)
65 {
66 // Zero initial guess
67 Vmath::Zero(m_fields[i]->GetNcoeffs(), m_fields[i]->UpdateCoeffs(), 1);
68 m_fields[i]->HelmSolve(m_fields[i]->GetPhys(),
69 m_fields[i]->UpdateCoeffs(), m_factors);
70 m_fields[i]->SetPhysState(false);
71 }
72}
73
75{
76 return Array<OneD, bool>(m_session->GetVariables().size(), true);
77}
78
79} // namespace Nektar
static EquationSystemSharedPtr create(const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)
Creates an instance of this class.
Definition: Laplace.h:52
void v_DoSolve() override
Virtual function for solve implementation.
Definition: Laplace.cpp:62
void v_GenerateSummary(SolverUtils::SummaryList &s) override
Virtual function for generating summary information.
Definition: Laplace.cpp:57
Array< OneD, bool > v_GetSystemSingularChecks() override
Definition: Laplace.cpp:74
void v_InitObject(bool DeclareFields=true) override
Initialisation object for EquationSystem.
Definition: Laplace.cpp:52
static std::string className
Name of class.
Definition: Laplace.h:63
StdRegions::ConstFactorMap m_factors
Definition: Laplace.h:66
Laplace(const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)
Definition: Laplace.cpp:44
tKey RegisterCreatorFunction(tKey idKey, CreatorFunction classCreator, std::string pDesc="")
Register a class with the factory.
A base class for describing how to solve specific equations.
SOLVER_UTILS_EXPORT void SessionSummary(SummaryList &vSummary)
Write out a session summary.
Array< OneD, MultiRegions::ExpListSharedPtr > m_fields
Array holding all dependent variables.
SOLVER_UTILS_EXPORT int GetNcoeffs()
virtual SOLVER_UTILS_EXPORT void v_InitObject(bool DeclareFeld=true)
Initialisation object for EquationSystem.
LibUtilities::SessionReaderSharedPtr m_session
The session reader.
std::shared_ptr< SessionReader > SessionReaderSharedPtr
std::vector< std::pair< std::string, std::string > > SummaryList
Definition: Misc.h:46
EquationSystemFactory & GetEquationSystemFactory()
std::shared_ptr< MeshGraph > MeshGraphSharedPtr
Definition: MeshGraph.h:174
void Zero(int n, T *x, const int incx)
Zero vector.
Definition: Vmath.hpp:273