Laplace.cpp

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///////////////////////////////////////////////////////////////////////////////
//
// File: Laplace.cpp
//
// For more information, please see: http://www.nektar.info
//
// The MIT License
//
// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
// Department of Aeronautics, Imperial College London (UK), and Scientific
// Computing and Imaging Institute, University of Utah (USA).
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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//
// Description: Laplace solve routines
//
///////////////////////////////////////////////////////////////////////////////
 
#include <ADRSolver/EquationSystems/Laplace.h>
 
using namespace std;
 
namespace Nektar
{
string Laplace::className = GetEquationSystemFactory().RegisterCreatorFunction(
    "Laplace", Laplace::create);
 
Laplace::Laplace(const LibUtilities::SessionReaderSharedPtr &pSession,
                 const SpatialDomains::MeshGraphSharedPtr &pGraph)
    : EquationSystem(pSession, pGraph), m_factors()
{
    m_factors[StdRegions::eFactorLambda] = 0.0;
    m_factors[StdRegions::eFactorTau]    = 1.0;
}
 
void Laplace::v_InitObject(bool DeclareFields)
{
    EquationSystem::v_InitObject(DeclareFields);
}
 
Laplace::~Laplace()
{
}
 
void Laplace::v_GenerateSummary(SolverUtils::SummaryList &s)
{
    EquationSystem::SessionSummary(s);
    SolverUtils::AddSummaryItem(s, "Lambda",
                                m_factors[StdRegions::eFactorLambda]);
}
 
void Laplace::v_DoSolve()
{
    for (int i = 0; i < m_fields.size(); ++i)
    {
        // Zero field so initial conditions are zero
        Vmath::Zero(m_fields[i]->GetNcoeffs(), m_fields[i]->UpdateCoeffs(), 1);
        m_fields[i]->HelmSolve(m_fields[i]->GetPhys(),
                               m_fields[i]->UpdateCoeffs(), m_factors);
        m_fields[i]->SetPhysState(false);
    }
}
 
Array<OneD, bool> Laplace::v_GetSystemSingularChecks()
{
    return Array<OneD, bool>(m_session->GetVariables().size(), true);
}
} // namespace Nektar