#include <ForcingBody.h>

Inheritance diagram for Nektar::SolverUtils::ForcingBody:

Collaboration diagram for Nektar::SolverUtils::ForcingBody:

Static Public Member Functions
static SOLVER_UTILS_EXPORT ForcingSharedPtr	create (const LibUtilities::SessionReaderSharedPtr &pSession, const Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const unsigned int &pNumForcingFields, const TiXmlElement *pForce)
	Creates an instance of this class. More...

Static Public Member Functions inherited from Nektar::SolverUtils::Forcing
static SOLVER_UTILS_EXPORT std::vector< ForcingSharedPtr >	Load (const LibUtilities::SessionReaderSharedPtr &pSession, const Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const unsigned int &pNumForcingFields=0)

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

static std::string	classNameField

Protected Member Functions
virtual SOLVER_UTILS_EXPORT void	v_InitObject (const Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const unsigned int &pNumForcingFields, const TiXmlElement *pForce)

virtual SOLVER_UTILS_EXPORT void	v_Apply (const Array< OneD, MultiRegions::ExpListSharedPtr > &fields, const Array< OneD, Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble &time)

Protected Member Functions inherited from Nektar::SolverUtils::Forcing
SOLVER_UTILS_EXPORT	Forcing (const LibUtilities::SessionReaderSharedPtr &)
	Constructor. More...

SOLVER_UTILS_EXPORT void	EvaluateFunction (Array< OneD, MultiRegions::ExpListSharedPtr > pFields, LibUtilities::SessionReaderSharedPtr pSession, std::string pFieldName, Array< OneD, NekDouble > &pArray, const std::string &pFunctionName, NekDouble pTime=NekDouble(0))

SOLVER_UTILS_EXPORT void	EvaluateTimeFunction (LibUtilities::SessionReaderSharedPtr pSession, std::string pFieldName, Array< OneD, NekDouble > &pArray, const std::string &pFunctionName, NekDouble pTime=NekDouble(0))

SOLVER_UTILS_EXPORT void	EvaluateTimeFunction (const NekDouble pTime, const LibUtilities::EquationSharedPtr &pEqn, Array< OneD, NekDouble > &pArray)

Private Member Functions
	ForcingBody (const LibUtilities::SessionReaderSharedPtr &pSession)

virtual	~ForcingBody (void)

void	Update (const Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const NekDouble &time)

Private Attributes
std::string	m_funcName

bool	m_hasTimeFcnScaling

LibUtilities::EquationSharedPtr	m_timeFcnEqn

bool	m_transform

Friends
class	MemoryManager< ForcingBody >

Additional Inherited Members
Public Member Functions inherited from Nektar::SolverUtils::Forcing
virtual SOLVER_UTILS_EXPORT	~Forcing ()

SOLVER_UTILS_EXPORT void	InitObject (const Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const unsigned int &pNumForcingFields, const TiXmlElement *pForce)
	Initialise the forcing object. More...

SOLVER_UTILS_EXPORT void	Apply (const Array< OneD, MultiRegions::ExpListSharedPtr > &fields, const Array< OneD, Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble &time)
	Apply the forcing. More...

SOLVER_UTILS_EXPORT const Array< OneD, const Array< OneD, NekDouble > > &	GetForces ()

SOLVER_UTILS_EXPORT Array < OneD, Array< OneD, NekDouble > > &	UpdateForces ()

Protected Attributes inherited from Nektar::SolverUtils::Forcing
LibUtilities::SessionReaderSharedPtr	m_session
	Session reader. More...

Array< OneD, Array< OneD, NekDouble > >	m_Forcing
	Evaluated forcing function. More...

int	m_NumVariable
	Number of variables. More...

Detailed Description

Definition at line 52 of file ForcingBody.h.

Constructor & Destructor Documentation

Nektar::SolverUtils::ForcingBody::ForcingBody ( const LibUtilities::SessionReaderSharedPtr & pSession )

private

Definition at line 55 of file ForcingBody.cpp.

         : Forcing(pSession),
           m_hasTimeFcnScaling(false)
     {
     }

virtual Nektar::SolverUtils::ForcingBody::~ForcingBody ( void )

inlineprivatevirtual

Definition at line 95 of file ForcingBody.h.

95 {};

Member Function Documentation

static SOLVER_UTILS_EXPORT ForcingSharedPtr Nektar::SolverUtils::ForcingBody::create	(	const LibUtilities::SessionReaderSharedPtr &	pSession,
		const Array< OneD, MultiRegions::ExpListSharedPtr > &	pFields,
		const unsigned int &	pNumForcingFields,
		const TiXmlElement *	pForce
	)

inlinestatic

Creates an instance of this class.

Definition at line 59 of file ForcingBody.h.

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

             {
                 ForcingSharedPtr p = MemoryManager<ForcingBody>::
                                                 AllocateSharedPtr(pSession);
                 p->InitObject(pFields, pNumForcingFields, pForce);
                 return p;
             }

void Nektar::SolverUtils::ForcingBody::Update	(	const Array< OneD, MultiRegions::ExpListSharedPtr > &	pFields,
		const NekDouble &	time
	)

private

Definition at line 123 of file ForcingBody.cpp.

References ASSERTL0, Nektar::SolverUtils::Forcing::EvaluateFunction(), Nektar::SolverUtils::Forcing::m_Forcing, m_funcName, Nektar::SolverUtils::Forcing::m_NumVariable, Nektar::SolverUtils::Forcing::m_session, and m_transform.

Referenced by v_Apply(), and v_InitObject().

     {
         for (int i = 0; i < m_NumVariable; ++i)
         {
             std::string  s_FieldStr   = m_session->GetVariable(i);
             ASSERTL0(m_session->DefinesFunction(m_funcName, s_FieldStr),
                      "Variable '" + s_FieldStr + "' not defined.");
             EvaluateFunction(pFields, m_session, s_FieldStr,
                              m_Forcing[i], m_funcName, time);
         }
 
         // If singleMode or halfMode, transform the forcing term to be in
         // physical space in the plane, but Fourier space in the homogeneous
         // direction
         if (m_transform)
         {
             for (int i = 0; i < m_NumVariable; ++i)
             {
                 pFields[0]->HomogeneousFwdTrans(m_Forcing[i], m_Forcing[i]);
             }
         }
     }

void Nektar::SolverUtils::ForcingBody::v_Apply	(	const Array< OneD, MultiRegions::ExpListSharedPtr > &	fields,
		const Array< OneD, Array< OneD, NekDouble > > &	inarray,
		Array< OneD, Array< OneD, NekDouble > > &	outarray,
		const NekDouble &	time
	)

protectedvirtual

Implements Nektar::SolverUtils::Forcing.

Definition at line 149 of file ForcingBody.cpp.

References Nektar::SolverUtils::Forcing::EvaluateTimeFunction(), Nektar::SolverUtils::Forcing::m_Forcing, m_hasTimeFcnScaling, Nektar::SolverUtils::Forcing::m_NumVariable, m_timeFcnEqn, Vmath::Svtvp(), Update(), and Vmath::Vadd().

     {
         if(m_hasTimeFcnScaling)
         {
             Array<OneD, NekDouble>  TimeFcn(1);
 
             for (int i = 0; i < m_NumVariable; i++)
             {
                 EvaluateTimeFunction(time, m_timeFcnEqn, TimeFcn);
 
                 Vmath::Svtvp(outarray[i].num_elements(), TimeFcn[0],
                              m_Forcing[i], 1,
                              outarray[i],  1,
                              outarray[i],  1);
             }
         }
         else
         {
             Update(fields, time);
 
             for (int i = 0; i < m_NumVariable; i++)
             {
                 Vmath::Vadd(outarray[i].num_elements(), outarray[i], 1,
                             m_Forcing[i], 1, outarray[i], 1);
             }
         }
     }

void Nektar::SolverUtils::ForcingBody::v_InitObject	(	const Array< OneD, MultiRegions::ExpListSharedPtr > &	pFields,
		const unsigned int &	pNumForcingFields,
		const TiXmlElement *	pForce
	)

protectedvirtual

Implements Nektar::SolverUtils::Forcing.

Definition at line 62 of file ForcingBody.cpp.

References Nektar::MemoryManager< DataType >::AllocateSharedPtr(), ASSERTL0, Nektar::MultiRegions::e3DH1D, Nektar::MultiRegions::e3DH2D, Nektar::SolverUtils::Forcing::m_Forcing, m_funcName, m_hasTimeFcnScaling, Nektar::SolverUtils::Forcing::m_NumVariable, Nektar::SolverUtils::Forcing::m_session, m_timeFcnEqn, m_transform, and Update().

     {
         m_NumVariable = pNumForcingFields;
 
         const TiXmlElement* funcNameElmt = pForce->FirstChildElement("BODYFORCE");
         if(!funcNameElmt)
         {
             funcNameElmt = pForce->FirstChildElement("FIELDFORCE");
 
             ASSERTL0(funcNameElmt, "Requires BODYFORCE or FIELDFORCE tag "
                      "specifying function name which prescribes body force.");
         }
 
         m_funcName = funcNameElmt->GetText();
         ASSERTL0(m_session->DefinesFunction(m_funcName),
                  "Function '" + m_funcName + "' not defined.");
 
         bool singleMode, halfMode;
         m_session->MatchSolverInfo("ModeType","SingleMode",singleMode,false);
         m_session->MatchSolverInfo("ModeType","HalfMode",  halfMode,  false);
         bool homogeneous = pFields[0]->GetExpType() == MultiRegions::e3DH1D ||
                            pFields[0]->GetExpType() == MultiRegions::e3DH2D;
         m_transform = (singleMode || halfMode || homogeneous);
 
         // Time function is optional
         funcNameElmt = pForce->FirstChildElement("BODYFORCETIMEFCN");
         if(!funcNameElmt)
         {
             funcNameElmt = pForce->FirstChildElement("FIELDFORCETIMEFCN");
         }
 
         // Load time function if specified
         if(funcNameElmt)
         {
             std::string funcNameTime = funcNameElmt->GetText();
 
             ASSERTL0(!funcNameTime.empty(),
                      "Expression must be given in BODYFORCETIMEFCN or "
                      "FIELDFORCETIMEFCN.");
 
             m_session->SubstituteExpressions(funcNameTime);
             m_timeFcnEqn = MemoryManager<LibUtilities::Equation>
                             ::AllocateSharedPtr(m_session,funcNameTime);
 
             m_hasTimeFcnScaling = true;
         }
 
         m_Forcing = Array<OneD, Array<OneD, NekDouble> > (m_NumVariable);
         for (int i = 0; i < m_NumVariable; ++i)
         {
             m_Forcing[i] = Array<OneD, NekDouble> (pFields[0]->GetTotPoints(), 0.0);
         }
 
 
         Update(pFields, 0.0);
     }

Friends And Related Function Documentation

friend class MemoryManager< ForcingBody >

friend

Definition at line 56 of file ForcingBody.h.

Member Data Documentation

std::string Nektar::SolverUtils::ForcingBody::classNameBody

static

Initial value:

= GetForcingFactory().
        RegisterCreatorFunction("Body",
                                ForcingBody::create,
                                "Body Forcing")

Name of the class.

Definition at line 72 of file ForcingBody.h.

std::string Nektar::SolverUtils::ForcingBody::classNameField

static

Initial value:

= GetForcingFactory().
        RegisterCreatorFunction("Field",
                                ForcingBody::create,
                                "Field Forcing")

Definition at line 73 of file ForcingBody.h.

std::string Nektar::SolverUtils::ForcingBody::m_funcName

private

Definition at line 88 of file ForcingBody.h.

Referenced by Update(), and v_InitObject().

bool Nektar::SolverUtils::ForcingBody::m_hasTimeFcnScaling

private

Definition at line 89 of file ForcingBody.h.

Referenced by v_Apply(), and v_InitObject().

LibUtilities::EquationSharedPtr Nektar::SolverUtils::ForcingBody::m_timeFcnEqn

private

Definition at line 90 of file ForcingBody.h.