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SteadyAdvectionDiffusion.cpp
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2 //
3 // File SteadAdvectionDiffusion.cpp
4 //
5 // For more information, please see: http://www.nektar.info
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7 // The MIT License
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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).
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31 //
32 // Description: Steady advection-diffusion solve routines
33 //
34 ///////////////////////////////////////////////////////////////////////////////
36 
37 using namespace std;
38 
39 namespace Nektar
40 {
41  string SteadyAdvectionDiffusion::className = GetEquationSystemFactory().RegisterCreatorFunction("SteadyAdvectionDiffusion", SteadyAdvectionDiffusion::create);
42 
43  /**
44  * @class SteadyAdvectionDiffusion
45  * This is a solver class for solving the problems.
46  * - SteadyAdvectionDiffusion:
47  * \f$ c \cdot \nabla u -\nabla \cdot (\nabla u) = f(x)\f$
48  */
49 
50  SteadyAdvectionDiffusion::SteadyAdvectionDiffusion(
52  : EquationSystem(pSession),
53  m_lambda(0.0)
54  {
55  }
56 
58  {
60 
61  // Define Velocity fields
64  }
65 
67  {
68 
69  }
70 
72  {
74  }
75 
76 
78  {
79  // set initial forcing from session file
80  EvaluateFunction(m_session->GetVariables(), m_fields, "Forcing");
81  }
82 
84  {
85  for(int i = 0; i < m_fields.num_elements(); ++i)
86  {
87  m_fields[i]->LinearAdvectionDiffusionReactionSolve(m_velocity,
88  m_fields[i]->GetPhys(),
89  m_fields[i]->UpdateCoeffs(),
90  m_lambda);
91  m_fields[i]->SetPhysState(false);
92  }
93  }
94 
95 }
SOLVER_UTILS_EXPORT void InitialiseBaseFlow(Array< OneD, Array< OneD, NekDouble > > &base)
Perform initialisation of the base flow.
A base class for describing how to solve specific equations.
std::vector< std::pair< std::string, std::string > > SummaryList
Definition: Misc.h:47
STL namespace.
boost::shared_ptr< SessionReader > SessionReaderSharedPtr
Definition: MeshPartition.h:51
virtual SOLVER_UTILS_EXPORT void v_InitObject()
Initialisation object for EquationSystem.
void AddSummaryItem(SummaryList &l, const std::string &name, const std::string &value)
Adds a summary item to the summary info list.
Definition: Misc.cpp:50
int m_spacedim
Spatial dimension (>= expansion dim).
SOLVER_UTILS_EXPORT void EvaluateFunction(Array< OneD, Array< OneD, NekDouble > > &pArray, std::string pFunctionName, const NekDouble pTime=0.0, const int domain=0)
Evaluates a function as specified in the session file.
virtual void v_DoSolve()
Virtual function for solve implementation.
EquationSystemFactory & GetEquationSystemFactory()
Array< OneD, Array< OneD, NekDouble > > m_velocity
Array< OneD, MultiRegions::ExpListSharedPtr > m_fields
Array holding all dependent variables.
LibUtilities::SessionReaderSharedPtr m_session
The session reader.
virtual void v_DoInitialise()
Virtual function for initialisation implementation.
virtual void v_GenerateSummary(SolverUtils::SummaryList &s)
Virtual function for generating summary information.
virtual void v_InitObject()
Initialisation object for EquationSystem.
tKey RegisterCreatorFunction(tKey idKey, CreatorFunction classCreator, tDescription pDesc="")
Register a class with the factory.
Definition: NekFactory.hpp:215