VelocityCorrectionScheme.h

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///////////////////////////////////////////////////////////////////////////////
//
// File VelocityCorrectionScheme.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).
//
// License for the specific language governing rights and limitations under
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// copy of this software and associated documentation files (the "Software"),
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//
// Description: Velocity Correction Scheme header 
//
///////////////////////////////////////////////////////////////////////////////

#ifndef NEKTAR_SOLVERS_VELOCITYCORRECTIONSCHEME_H
#define NEKTAR_SOLVERS_VELOCITYCORRECTIONSCHEME_H

#include <IncNavierStokesSolver/EquationSystems/IncNavierStokes.h>

namespace Nektar
{
    class VelocityCorrectionScheme: public IncNavierStokes
    {
    public:

        /// Creates an instance of this class
        static SolverUtils::EquationSystemSharedPtr create(
                const LibUtilities::SessionReaderSharedPtr& pSession) {
            SolverUtils::EquationSystemSharedPtr p =
                                MemoryManager<VelocityCorrectionScheme>::
                                            AllocateSharedPtr(pSession);
            p->InitObject();
            return p;
        }

        /// Name of class
        static std::string className;


        /// Constructor.
        VelocityCorrectionScheme(const LibUtilities::SessionReaderSharedPtr& pSession);

        virtual ~VelocityCorrectionScheme();

        virtual void v_InitObject();

        void SetUpPressureForcing(const Array<OneD, const Array<OneD, NekDouble> > &fields,
                                  Array<OneD, Array<OneD, NekDouble> > &Forcing,
                                  const NekDouble aii_Dt);

        void SetUpViscousForcing(const Array<OneD, const Array<OneD, NekDouble> > &inarray,
                                 Array<OneD, Array<OneD, NekDouble> > &Forcing,
                                 const NekDouble aii_Dt);

        void SolveUnsteadyStokesSystem(const Array<OneD, const Array<OneD, NekDouble> > &inarray,
                                       Array<OneD, Array<OneD, NekDouble> > &outarray,
                                       const NekDouble time,
                                       const NekDouble a_iixDt);

        void EvaluateAdvection_SetPressureBCs(const Array<OneD, const Array<OneD, NekDouble> > &inarray,
                                              Array<OneD, Array<OneD, NekDouble> > &outarray,
                                              const NekDouble time);

    protected:

    private:
        /// bool to identify if spectral vanishing viscosity is active.
        bool m_useHomo1DSpecVanVisc;
        /// bool to identify if spectral vanishing viscosity is active.
        bool m_useSpecVanVisc;
        /// cutt off ratio from which to start decayhing modes
        NekDouble m_sVVCutoffRatio;
        /// Diffusion coefficient of SVV modes
        NekDouble m_sVVDiffCoeff;

        // Virtual functions
        virtual void v_GenerateSummary(SolverUtils::SummaryList& s);

        virtual void v_TransCoeffToPhys(void);

        virtual void v_TransPhysToCoeff(void);

        virtual void v_DoInitialise(void);

        virtual Array<OneD, bool> v_GetSystemSingularChecks();

        virtual int v_GetForceDimension();
    };

    typedef boost::shared_ptr<VelocityCorrectionScheme>
                VelocityCorrectionSchemeSharedPtr;

} //end of namespace


#endif //VELOCITY_CORRECTION_SCHEME_H