Nektar::ExtrapOrder0BC Class Reference

Extrapolation of order 0 for all the variables such that, at the boundaries, a trivial Riemann problem is solved. More...

#include <ExtrapOrder0BC.h>

Inheritance diagram for Nektar::ExtrapOrder0BC:

Static Public Member Functions
static CFSBndCondSharedPtr	create (const LibUtilities::SessionReaderSharedPtr &pSession, const Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const Array< OneD, Array< OneD, NekDouble > > &pTraceNormals, const int pSpaceDim, const int bcRegion, const int cnt)
	Creates an instance of this class. More...

Static Public Attributes
static std::string	className
	Name of the class. More...

Protected Member Functions
virtual void	v_Apply (Array< OneD, Array< OneD, NekDouble > > &Fwd, Array< OneD, Array< OneD, NekDouble > > &physarray, const NekDouble &time)
Protected Member Functions inherited from Nektar::CFSBndCond
	CFSBndCond (const LibUtilities::SessionReaderSharedPtr &pSession, const Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const Array< OneD, Array< OneD, NekDouble > > &pTraceNormals, const int pSpaceDim, const int bcRegion, const int cnt)
	Constructor. More...

Private Member Functions
	ExtrapOrder0BC (const LibUtilities::SessionReaderSharedPtr &pSession, const Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const Array< OneD, Array< OneD, NekDouble > > &pTraceNormals, const int pSpaceDim, const int bcRegion, const int cnt)
virtual	~ExtrapOrder0BC (void)

Friends
class	MemoryManager< ExtrapOrder0BC >

Additional Inherited Members
Public Member Functions inherited from Nektar::CFSBndCond
virtual	~CFSBndCond ()
void	Apply (Array< OneD, Array< OneD, NekDouble > > &Fwd, Array< OneD, Array< OneD, NekDouble > > &physarray, const NekDouble &time=0)
	Apply the boundary condition. More...
Protected Attributes inherited from Nektar::CFSBndCond
LibUtilities::SessionReaderSharedPtr	m_session
	Session reader. More...
Array< OneD, MultiRegions::ExpListSharedPtr >	m_fields
	Array of fields. More...
Array< OneD, Array< OneD, NekDouble > >	m_traceNormals
	Trace normals. More...
int	m_spacedim
	Space dimension. More...
VariableConverterSharedPtr	m_varConv
	Auxiliary object to convert variables. More...
NekDouble	m_gamma
	Parameters of the flow. More...
NekDouble	m_rhoInf
NekDouble	m_pInf
Array< OneD, NekDouble >	m_velInf
int	m_bcRegion
	Id of the boundary region. More...
int	m_offset
	Offset. More...

Detailed Description

Extrapolation of order 0 for all the variables such that, at the boundaries, a trivial Riemann problem is solved.

Definition at line 48 of file ExtrapOrder0BC.h.

Constructor & Destructor Documentation

ExtrapOrder0BC()

Nektar::ExtrapOrder0BC::ExtrapOrder0BC ( const LibUtilities::SessionReaderSharedPtr &  pSession, const Array< OneD, MultiRegions::ExpListSharedPtr > &  pFields, const Array< OneD, Array< OneD, NekDouble > > &  pTraceNormals, const int  pSpaceDim, const int  bcRegion, const int  cnt  )

private

Definition at line 49 of file ExtrapOrder0BC.cpp.

    : CFSBndCond(pSession, pFields, pTraceNormals, pSpaceDim, bcRegion, cnt)
{
}

~ExtrapOrder0BC()

virtual Nektar::ExtrapOrder0BC::~ExtrapOrder0BC ( void  )

inlineprivatevirtual

Definition at line 85 of file ExtrapOrder0BC.h.

{};

Member Function Documentation

create()

static CFSBndCondSharedPtr Nektar::ExtrapOrder0BC::create ( const LibUtilities::SessionReaderSharedPtr &  pSession, const Array< OneD, MultiRegions::ExpListSharedPtr > &  pFields, const Array< OneD, Array< OneD, NekDouble > > &  pTraceNormals, const int  pSpaceDim, const int  bcRegion, const int  cnt  )

inlinestatic

Creates an instance of this class.

Definition at line 55 of file ExtrapOrder0BC.h.

References Nektar::MemoryManager< DataType >::AllocateSharedPtr(), and CellMLToNektar.cellml_metadata::p.

        {
            CFSBndCondSharedPtr p = MemoryManager<ExtrapOrder0BC>::
                                    AllocateSharedPtr(pSession, pFields,
                                    pTraceNormals, pSpaceDim, bcRegion, cnt);
            return p;
        }

v_Apply()

void Nektar::ExtrapOrder0BC::v_Apply ( Array< OneD, Array< OneD, NekDouble > > &  Fwd, Array< OneD, Array< OneD, NekDouble > > &  physarray, const NekDouble &  time  )

protectedvirtual

Implements Nektar::CFSBndCond.

Definition at line 59 of file ExtrapOrder0BC.cpp.

References Nektar::CFSBndCond::m_bcRegion, Nektar::CFSBndCond::m_fields, Nektar::CFSBndCond::m_offset, and Nektar::CFSBndCond::m_spacedim.

{
    boost::ignore_unused(time);

    int i, j;
    int e, pnt;
    int id1, id2, nBCEdgePts;
    int nVariables = physarray.num_elements();
    int nDimensions = m_spacedim;

    const Array<OneD, const int> &traceBndMap
        = m_fields[0]->GetTraceBndMap();

    int eMax;

    eMax = m_fields[0]->GetBndCondExpansions()[m_bcRegion]->GetExpSize();

    // Loop on m_bcRegions
    for (e = 0; e < eMax; ++e)
    {
        nBCEdgePts = m_fields[0]->GetBndCondExpansions()[m_bcRegion]->
            GetExp(e)->GetTotPoints();
        id1 = m_fields[0]->GetBndCondExpansions()[m_bcRegion]->
            GetPhys_Offset(e) ;
        id2 = m_fields[0]->GetTrace()->GetPhys_Offset(traceBndMap[m_offset+e]);

        // Loop on points of m_bcRegion 'e'
        for (i = 0; i < nBCEdgePts; i++)
        {
            pnt = id2+i;

            // Setting up bcs for density and velocities
            for (j = 0; j <=nDimensions; ++j)
            {
                (m_fields[j]->GetBndCondExpansions()[m_bcRegion]->
                 UpdatePhys())[id1+i] = Fwd[j][pnt];
            }

            // Setting up bcs for energy
            (m_fields[nVariables-1]->GetBndCondExpansions()[m_bcRegion]->
                UpdatePhys())[id1+i] = Fwd[nVariables-1][pnt];
        }
    }
}

Friends And Related Function Documentation

MemoryManager< ExtrapOrder0BC >

friend class MemoryManager< ExtrapOrder0BC >

friend

Definition at line 52 of file ExtrapOrder0BC.h.

Member Data Documentation

className

std::string Nektar::ExtrapOrder0BC::className

static

Initial value:

= GetCFSBndCondFactory().
    RegisterCreatorFunction("ExtrapOrder0",
                            ExtrapOrder0BC::create,
                            "Extrapolation of order 0 boundary condition.")

Name of the class.

Definition at line 68 of file ExtrapOrder0BC.h.