VelocityCorrectionSchemeImplicit.h

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///////////////////////////////////////////////////////////////////////////////
//
// File VelocityCorrectionSchemeImplicit.h
//
// 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.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// 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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// DEALINGS IN THE SOFTWARE.
//
// Description: Velocity Correction Scheme header
//
///////////////////////////////////////////////////////////////////////////////
 
#ifndef NEKTAR_SOLVERS_VELOCITYCORRECTIONSCHEMEIMPLICIT_H
#define NEKTAR_SOLVERS_VELOCITYCORRECTIONSCHEMEIMPLICIT_H
 
#include <IncNavierStokesSolver/EquationSystems/VelocityCorrectionScheme.h>
 
namespace Nektar
{
class VCSImplicit : public VelocityCorrectionScheme
{
public:
    /// Creates an instance of this class
    static SolverUtils::EquationSystemSharedPtr create(
        const LibUtilities::SessionReaderSharedPtr &pSession,
        const SpatialDomains::MeshGraphSharedPtr &pGraph)
    {
        SolverUtils::EquationSystemSharedPtr p =
            MemoryManager<VCSImplicit>::AllocateSharedPtr(pSession, pGraph);
        p->InitObject();
        return p;
    }
 
    /// Name of class
    static std::string className;
 
    /// Constructor.
    VCSImplicit(const LibUtilities::SessionReaderSharedPtr &pSession,
                const SpatialDomains::MeshGraphSharedPtr &pGraph);
 
    ~VCSImplicit() override;
 
protected:
    /// 2D Array for Advection Velocities [dir][dof]
    Array<OneD, Array<OneD, NekDouble>> m_advection, m_AdvVel;
    /// 3D Array for extrapolated Advection Velocities [dir][time-levle][dof]
    Array<OneD, Array<OneD, Array<OneD, NekDouble>>> m_extVel;
    /// bool to identify implicit scheme ie advection velocity
    bool m_advectionVelocity;
    /// bool to identify advection operator
    bool m_implicitSkewSymAdvection;
    /// integer for advection velocity
    int m_intOrder;
    std::string m_convectiveType;
    /// Array checking whether GlobalLinSys needs to be unset
    Array<OneD, NekInt> m_unsetGlobalLinSys;
 
    // Virtual functions
    void v_GenerateSummary(SolverUtils::SummaryList &s) override;
 
    void v_SetUpPressureForcing(
        const Array<OneD, const Array<OneD, NekDouble>> &fields,
        Array<OneD, Array<OneD, NekDouble>> &Forcing,
        const NekDouble aii_Dt) override;
 
    void v_SetUpViscousForcing(
        const Array<OneD, const Array<OneD, NekDouble>> &inarray,
        Array<OneD, Array<OneD, NekDouble>> &Forcing,
        const NekDouble aii_Dt) override;
 
    void v_SolvePressure(const Array<OneD, NekDouble> &Forcing) override;
 
    void v_SolveViscous(
        const Array<OneD, const Array<OneD, NekDouble>> &Forcing,
        const Array<OneD, const Array<OneD, NekDouble>> &inarray,
        Array<OneD, Array<OneD, NekDouble>> &outarray,
        const NekDouble aii_Dt) override;
 
    void v_DoInitialise(bool dumpInitialConditions) override;
 
    std::string v_GetExtrapolateStr(void) override
    {
        return "Implicit"; // Use ImplicitExtrapolate.cpp
    }
 
    void v_EvaluateAdvection_SetPressureBCs(
        const Array<OneD, const Array<OneD, NekDouble>> &inarray,
        Array<OneD, Array<OneD, NekDouble>> &outarray,
        const NekDouble time) override;
 
    static std::string solverTypeLookupId;
 
    void AddImplicitSkewSymAdvection(StdRegions::VarCoeffMap varcoeffs,
                                     NekDouble aii_Dt);
 
    // Function to check whether UnsetGlobalLinSys has to be called
    // at i-th call of LinearAdvectionDiffusionReactionSolve in SolveViscous
    void CheckUnsetGlobalLinSys(Array<OneD, NekInt> &unsetGlobalLinSys);
 
private:
};
 
typedef std::shared_ptr<VCSImplicit> VCSImplicitSharedPtr;
 
} // namespace Nektar
 
#endif // NEKTAR_SOLVERS_VELOCITYCORRECTIONSCHEMEIMPLICIT_H