Base class for the development of solvers. More...

#include <DriverStandard.h>

Inheritance diagram for Nektar::SolverUtils::DriverStandard:

Static Public Member Functions
static DriverSharedPtr	create (const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)
	Creates an instance of this class. More...

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

Protected Member Functions
SOLVER_UTILS_EXPORT	DriverStandard (const LibUtilities::SessionReaderSharedPtr pSession, const SpatialDomains::MeshGraphSharedPtr pGraph)
	Constructor. More...

SOLVER_UTILS_EXPORT	~DriverStandard () override=default
	Destructor. More...

SOLVER_UTILS_EXPORT void	v_InitObject (std::ostream &out=std::cout) override
	Virtual function for initialisation implementation. More...

SOLVER_UTILS_EXPORT void	v_Execute (std::ostream &out=std::cout) override
	Virtual function for solve implementation. More...

Protected Member Functions inherited from Nektar::SolverUtils::Driver
	Driver (const LibUtilities::SessionReaderSharedPtr pSession, const SpatialDomains::MeshGraphSharedPtr pGraph)
	Initialises EquationSystem class members. More...

virtual SOLVER_UTILS_EXPORT void	v_InitObject (std::ostream &out=std::cout)
	Virtual function for initialisation implementation. More...

virtual SOLVER_UTILS_EXPORT void	v_Execute (std::ostream &out=std::cout)=0
	Virtual function for solve implementation. More...

Static Protected Attributes
static std::string	driverLookupId

Static Protected Attributes inherited from Nektar::SolverUtils::Driver
static std::string	evolutionOperatorLookupIds []

static std::string	evolutionOperatorDef

static std::string	driverDefault

Friends
class	MemoryManager< DriverStandard >

Additional Inherited Members
Public Member Functions inherited from Nektar::SolverUtils::Driver
virtual	~Driver ()=default
	Destructor. More...

SOLVER_UTILS_EXPORT void	InitObject (std::ostream &out=std::cout)
	Initialise Object. More...

SOLVER_UTILS_EXPORT void	Execute (std::ostream &out=std::cout)
	Execute driver. More...

SOLVER_UTILS_EXPORT Array< OneD, EquationSystemSharedPtr >	GetEqu ()

Protected Attributes inherited from Nektar::SolverUtils::Driver
LibUtilities::CommSharedPtr	m_comm
	Communication object. More...

LibUtilities::SessionReaderSharedPtr	m_session
	Session reader object. More...

LibUtilities::SessionReaderSharedPtr	session_LinNS
	Coupling between SFD and arnoldi. More...

SpatialDomains::MeshGraphSharedPtr	m_graph
	MeshGraph object. More...

Array< OneD, EquationSystemSharedPtr >	m_equ
	Equation system to solve. More...

int	m_nequ
	number of equations More...

enum EvolutionOperatorType	m_EvolutionOperator
	Evolution Operator. More...

Detailed Description

Base class for the development of solvers.

Definition at line 43 of file DriverStandard.h.

Constructor & Destructor Documentation

◆ DriverStandard()

Nektar::SolverUtils::DriverStandard::DriverStandard	(	const LibUtilities::SessionReaderSharedPtr	pSession,
		const SpatialDomains::MeshGraphSharedPtr	pGraph
	)

protected

Constructor.

Definition at line 52 of file DriverStandard.cpp.

    : Driver(pSession, pGraph)
{
}

◆ ~DriverStandard()

SOLVER_UTILS_EXPORT Nektar::SolverUtils::DriverStandard::~DriverStandard ( )

overrideprotecteddefault

Destructor.

Member Function Documentation

◆ create()

static DriverSharedPtr Nektar::SolverUtils::DriverStandard::create	(	const LibUtilities::SessionReaderSharedPtr &	pSession,
		const SpatialDomains::MeshGraphSharedPtr &	pGraph
	)

inlinestatic

Creates an instance of this class.

Definition at line 49 of file DriverStandard.h.

    {
        DriverSharedPtr p =
            MemoryManager<DriverStandard>::AllocateSharedPtr(pSession, pGraph);
        p->InitObject();
        return p;
    }

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

◆ v_Execute()

void Nektar::SolverUtils::DriverStandard::v_Execute ( std::ostream & out = std::cout )

overrideprotectedvirtual

Virtual function for solve implementation.

Implements Nektar::SolverUtils::Driver.

Definition at line 70 of file DriverStandard.cpp.

{
    Nektar::LibUtilities::Timer timer;
    NekDouble CPUtime;
 
    m_equ[0]->PrintSummary(out);
 
    timer.Start();
 
    m_equ[0]->DoInitialise();
    m_equ[0]->DoSolve();
 
    timer.Stop();
 
    m_equ[0]->Output();
 
    if (m_comm->GetRank() == 0)
    {
        CPUtime = timer.Elapsed().count();
        cout << "-------------------------------------------" << endl;
        cout << "Total Computation Time = " << CPUtime << "s" << endl;
        cout << "-------------------------------------------" << endl;
    }
 
    // Evaluate and output computation time and solution accuracy.
    // The specific format of the error output is essential for the
    // regression tests to work.
 
    // Evaluate L2 Error
    for (int i = 0; i < m_equ[0]->GetNvariables(); ++i)
    {
        Array<OneD, NekDouble> exactsoln(m_equ[0]->GetTotPoints(), 0.0);
 
        // Evaluate "ExactSolution" function, or zero array
        m_equ[0]->EvaluateExactSolution(i, exactsoln, m_equ[0]->GetTime());
 
        NekDouble vL2Error   = m_equ[0]->L2Error(i, exactsoln);
        NekDouble vLinfError = m_equ[0]->LinfError(i, exactsoln);
 
        if (m_comm->GetRank() == 0)
        {
            out << "L 2 error (variable " << m_equ[0]->GetVariable(i)
                << ") : " << vL2Error << endl;
            out << "L inf error (variable " << m_equ[0]->GetVariable(i)
                << ") : " << vLinfError << endl;
        }
    }
}