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

#include <DriverArnoldi.h>

Inheritance diagram for Nektar::SolverUtils::DriverArnoldi:

Public Member Functions
SOLVER_UTILS_EXPORT void	ArnoldiSummary (std::ostream &out)

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

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

Public Member Functions inherited from Nektar::SolverUtils::Driver
virtual	~Driver ()
	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 ()

SOLVER_UTILS_EXPORT Array< OneD, NekDouble >	GetRealEvl (void)

SOLVER_UTILS_EXPORT Array< OneD, NekDouble >	GetImagEvl (void)

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

virtual	~DriverArnoldi ()
	Destructor. More...

void	CopyArnoldiArrayToField (Array< OneD, NekDouble > &array)
	Copy Arnoldi storage to fields. More...

void	CopyFieldToArnoldiArray (Array< OneD, NekDouble > &array)
	Copy fields to Arnoldi storage. More...

void	CopyFwdToAdj ()
	Copy the forward field to the adjoint system in transient growth calculations. More...

void	WriteFld (std::string file, std::vector< Array< OneD, NekDouble > > coeffs)
	Write coefficients to file. More...

void	WriteFld (std::string file, Array< OneD, NekDouble > coeffs)

void	WriteEvs (std::ostream &evlout, const int k, const NekDouble real, const NekDouble imag, NekDouble resid=NekConstants::kNekUnsetDouble, bool DumpInverse=true)

void	MaskInit ()
	init mask More...

void	GetUnmaskFunction (std::vector< std::vector< LibUtilities::EquationSharedPtr > > &unmaskfun)

virtual void	v_InitObject (std::ostream &out=std::cout)

virtual Array< OneD, NekDouble >	v_GetRealEvl (void)

virtual Array< OneD, NekDouble >	v_GetImagEvl (void)

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_Execute (std::ostream &out=std::cout)=0
	Virtual function for solve implementation. More...

Protected Attributes
int	m_kdim

int	m_nvec
	Dimension of Krylov subspace. More...

int	m_nits
	Number of vectors to test. More...

NekDouble	m_evtol
	Maxmum number of iterations. More...

NekDouble	m_period
	Tolerance of iteratiosn. More...

bool	m_timeSteppingAlgorithm
	Period of time stepping algorithm. More...

int	m_infosteps
	underlying operator is time stepping More...

int	m_nfields
	interval to dump information if required. More...

NekDouble	m_realShift

NekDouble	m_imagShift

int	m_negatedOp

Array< OneD, NekDouble >	m_real_evl
	Operator in solve call is negated. More...

Array< OneD, NekDouble >	m_imag_evl

bool	m_useMask

Array< OneD, NekDouble >	m_maskCoeffs

Array< OneD, NekDouble >	m_maskPhys

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
	I the 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...

Friends
class	MemoryManager< DriverArnoldi >

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

static std::string	evolutionOperatorDef

static std::string	driverDefault

Detailed Description

Base class for the development of solvers.

Definition at line 46 of file DriverArnoldi.h.

Constructor & Destructor Documentation

◆ DriverArnoldi()

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

protected

Constructor.

Constructor

Definition at line 48 of file DriverArnoldi.cpp.

     : Driver(pSession, pGraph)
 {
     m_session->LoadParameter("IO_InfoSteps", m_infosteps, 1);
 }

References m_infosteps, and Nektar::SolverUtils::Driver::m_session.

◆ ~DriverArnoldi()

Nektar::SolverUtils::DriverArnoldi::~DriverArnoldi ( )

protectedvirtual

Destructor.

Destructor

Definition at line 60 of file DriverArnoldi.cpp.

61 {

62 }

Member Function Documentation

◆ ArnoldiSummary()

void Nektar::SolverUtils::DriverArnoldi::ArnoldiSummary ( std::ostream & out )

Definition at line 129 of file DriverArnoldi.cpp.

 {
     if (m_comm->GetRank() == 0)
     {
         if(m_session->DefinesSolverInfo("ModeType") &&
            boost::iequals(m_session->GetSolverInfo("ModeType"),
                           "SingleMode"))
         {
             out << "\tSingle Fourier mode    : true " << endl;
             ASSERTL0(m_session->DefinesSolverInfo("Homogeneous"),
                      "Expected a homogeneous expansion to be defined "
                      "with single mode");
         }
         else
         {
             out << "\tSingle Fourier mode    : false " << endl;
         }
         if(m_session->DefinesSolverInfo("BetaZero"))
         {
             out << "\tBeta set to Zero       : true (overrides LHom)"
                 << endl;
         }
         else
         {
             out << "\tBeta set to Zero       : false " << endl;
         }
  
         if(m_timeSteppingAlgorithm)
         {
             out << "\tEvolution operator     : "
                 << m_session->GetSolverInfo("EvolutionOperator")
                 << endl;
         }
         else
         {
             out << "\tShift (Real,Imag)      : " << m_realShift
                 << "," << m_imagShift <<  endl;
         }
         out << "\tKrylov-space dimension : " << m_kdim << endl;
         out << "\tNumber of vectors      : " << m_nvec << endl;
         out << "\tMax iterations         : " << m_nits << endl;
         out << "\tEigenvalue tolerance   : " << m_evtol << endl;
         out << "======================================================"
             << endl;
     }
 }

References ASSERTL0, Nektar::SolverUtils::Driver::m_comm, m_evtol, m_imagShift, m_kdim, m_nits, m_nvec, m_realShift, Nektar::SolverUtils::Driver::m_session, and m_timeSteppingAlgorithm.

Referenced by Nektar::SolverUtils::DriverArpack::v_InitObject(), and Nektar::SolverUtils::DriverModifiedArnoldi::v_InitObject().

◆ CopyArnoldiArrayToField()

void Nektar::SolverUtils::DriverArnoldi::CopyArnoldiArrayToField ( Array< OneD, NekDouble > & array )

protected

Copy Arnoldi storage to fields.

Copy Arnoldi array to field variables which depend from either the m_fields or m_forces

Definition at line 180 of file DriverArnoldi.cpp.

 {
  
     Array<OneD, MultiRegions::ExpListSharedPtr>& fields = m_equ[0]->UpdateFields();
     int nq = fields[0]->GetNcoeffs();
  
     for (int k = 0; k < m_nfields; ++k)
     {
         Vmath::Vcopy(nq, &array[k*nq], 1, &fields[k]->UpdateCoeffs()[0], 1);
         fields[k]->SetPhysState(false);
     }
 }

References Nektar::SolverUtils::Driver::m_equ, m_nfields, and Vmath::Vcopy().

Referenced by Nektar::SolverUtils::DriverModifiedArnoldi::EV_update(), and Nektar::SolverUtils::DriverArpack::v_Execute().

◆ CopyFieldToArnoldiArray()

void Nektar::SolverUtils::DriverArnoldi::CopyFieldToArnoldiArray ( Array< OneD, NekDouble > & array )

protected

Copy fields to Arnoldi storage.

Copy field variables which depend from either the m_fields or m_forces array the Arnoldi array

Definition at line 197 of file DriverArnoldi.cpp.

 {
  
     Array<OneD, MultiRegions::ExpListSharedPtr> fields;
  
     if (m_EvolutionOperator == eAdaptiveSFD)
     {
         // This matters for the Adaptive SFD method because
         // m_equ[1] is the nonlinear problem with non
         // homogeneous BCs.
         fields = m_equ[0]->UpdateFields();
     }
     else
     {
         fields = m_equ[m_nequ-1]->UpdateFields();
     }
  
     for (int k = 0; k < m_nfields; ++k)
     {
         int nq = fields[0]->GetNcoeffs();
         Vmath::Vcopy(nq,  &fields[k]->GetCoeffs()[0], 1, &array[k*nq], 1);
         fields[k]->SetPhysState(false);
  
     }
 }

References Nektar::SolverUtils::eAdaptiveSFD, Nektar::SolverUtils::Driver::m_equ, Nektar::SolverUtils::Driver::m_EvolutionOperator, Nektar::SolverUtils::Driver::m_nequ, m_nfields, and Vmath::Vcopy().

Referenced by Nektar::SolverUtils::DriverModifiedArnoldi::EV_update(), Nektar::SolverUtils::DriverArpack::v_Execute(), and Nektar::SolverUtils::DriverModifiedArnoldi::v_Execute().

◆ CopyFwdToAdj()

void Nektar::SolverUtils::DriverArnoldi::CopyFwdToAdj ( )

protected

Copy the forward field to the adjoint system in transient growth calculations.

Initialisation for the transient growth

Definition at line 227 of file DriverArnoldi.cpp.

 {
     Array<OneD, MultiRegions::ExpListSharedPtr> fields;
  
     ASSERTL0(m_timeSteppingAlgorithm,
             "Transient Growth non available for Coupled Solver");
  
     fields = m_equ[0]->UpdateFields();
     int nq = fields[0]->GetNcoeffs();
  
     for (int k=0 ; k < m_nfields; ++k)
     {
         Vmath::Vcopy(nq,
                      &fields[k]->GetCoeffs()[0],                      1,
                      &m_equ[1]->UpdateFields()[k]->UpdateCoeffs()[0], 1);
     }
 }

References ASSERTL0, Nektar::SolverUtils::Driver::m_equ, m_nfields, m_timeSteppingAlgorithm, and Vmath::Vcopy().

Referenced by Nektar::SolverUtils::DriverModifiedArnoldi::EV_update(), and Nektar::SolverUtils::DriverArpack::v_Execute().

◆ GetMaskCoeff()

const Array< OneD, const NekDouble > & Nektar::SolverUtils::DriverArnoldi::GetMaskCoeff ( ) const

inline

Definition at line 126 of file DriverArnoldi.h.

 {
     return m_maskCoeffs;
 }

References m_maskCoeffs.

Referenced by Nektar::SolverUtils::DriverModifiedArnoldi::v_Execute().

◆ GetMaskPhys()

const Array< OneD, const NekDouble > & Nektar::SolverUtils::DriverArnoldi::GetMaskPhys ( ) const

inline

Definition at line 131 of file DriverArnoldi.h.

 {
     return m_maskPhys;
 }

References m_maskPhys.

◆ GetUnmaskFunction()

void Nektar::SolverUtils::DriverArnoldi::GetUnmaskFunction ( std::vector< std::vector< LibUtilities::EquationSharedPtr > > & unmaskfun )

protected

Definition at line 334 of file DriverArnoldi.cpp.

 {
     string Unmask0("Unmask0");
     string C0("C0");
     for(size_t i=0; 1; ++i)
     {
         Unmask0[Unmask0.size()-1] = '0' + i;
         if(!m_session->DefinesFunction(Unmask0))
         {
             break;
         }
         for(size_t j=0; 1; ++j)
         {
             C0[C0.size()-1] = '0' + j;
             if(!m_session->DefinesFunction(Unmask0, C0))
             {
                 break;
             }
             if(j==0)
             {
                 unmaskfun.push_back(std::vector<LibUtilities::EquationSharedPtr>());
             }
             unmaskfun[unmaskfun.size()-1].push_back(m_session->GetFunction(Unmask0, C0));
         }
     }
 }

References Nektar::SolverUtils::Driver::m_session.

Referenced by MaskInit().

◆ MaskInit()

void Nektar::SolverUtils::DriverArnoldi::MaskInit ( )

protected

init mask

Definition at line 361 of file DriverArnoldi.cpp.

 {
     std::vector<std::vector<LibUtilities::EquationSharedPtr> > unmaskfun;
     GetUnmaskFunction(unmaskfun);
     if(unmaskfun.size()==0)
     {
         m_useMask = false;
         return;
     }
     m_useMask = true;
     MultiRegions::ExpListSharedPtr field = m_equ[0]->UpdateFields()[0];
     int ncoef   = field->GetNcoeffs();
     int nphys   = field->GetNpoints();
     m_maskCoeffs = Array<OneD, double>(ncoef*m_nfields, 1.);
     m_maskPhys   = Array<OneD, double>(nphys*m_nfields, 1.);
     for(size_t i=0; i<field->GetExpSize(); ++i)
     {
         LocalRegions::ExpansionSharedPtr exp  = field->GetExp(i);
         SpatialDomains::GeometrySharedPtr geom = exp->GetGeom();
         int nv = geom->GetNumVerts();
         NekDouble gc[3] = {0.,0.,0.};
         NekDouble gct[3] = {0.,0.,0.};
         for(size_t j=0; j<nv; ++j)
         {
             SpatialDomains::PointGeomSharedPtr vertex = geom->GetVertex(j);
             vertex->GetCoords(gct[0],gct[1],gct[2]);
             gc[0] += gct[0]/NekDouble(nv);
             gc[1] += gct[1]/NekDouble(nv);
             gc[2] += gct[2]/NekDouble(nv);
         }
         int unmask = 1;
         for(size_t m=0; m<unmaskfun.size(); ++m)
         {
             unmask = 0;
             for(size_t n=0; n<unmaskfun[m].size(); ++n)
             {
                 if(unmaskfun[m][n]->Evaluate(gc[0], gc[1], gc[2])<=0.)
                 {
                     unmask = 0;
                     break;
                 }
                 else
                 {
                     unmask = 1;
                 }
             }
             if(unmask==1) break;
         }
         if(unmask==0)
         {
             for(int j=0; j<m_nfields; ++j)
             {
                 Vmath::Fill(exp->GetNcoeffs()  , 0., &m_maskCoeffs[field->GetCoeff_Offset(i) + j*ncoef], 1);
                 Vmath::Fill(exp->GetTotPoints(), 0., &m_maskPhys[field->GetPhys_Offset(i)  + j*nphys], 1);
             }
         }
     }
 }

References Vmath::Fill(), GetUnmaskFunction(), Nektar::SolverUtils::Driver::m_equ, m_maskCoeffs, m_maskPhys, m_nfields, and m_useMask.

Referenced by v_InitObject().

◆ v_GetImagEvl()

virtual Array<OneD, NekDouble> Nektar::SolverUtils::DriverArnoldi::v_GetImagEvl ( void )

inlineprotectedvirtual

Reimplemented from Nektar::SolverUtils::Driver.

Definition at line 119 of file DriverArnoldi.h.

     {
         return m_imag_evl;
     }

References m_imag_evl.

◆ v_GetRealEvl()

virtual Array<OneD, NekDouble> Nektar::SolverUtils::DriverArnoldi::v_GetRealEvl ( void )

inlineprotectedvirtual

Reimplemented from Nektar::SolverUtils::Driver.

Definition at line 114 of file DriverArnoldi.h.

     {
         return m_real_evl;
     }

References m_real_evl.

◆ v_InitObject()

void Nektar::SolverUtils::DriverArnoldi::v_InitObject ( std::ostream & out = std::cout )

protectedvirtual

Arnoldi driver initialisation

Reimplemented from Nektar::SolverUtils::Driver.

Reimplemented in Nektar::SolverUtils::DriverSteadyState, Nektar::SolverUtils::DriverModifiedArnoldi, and Nektar::SolverUtils::DriverArpack.

Definition at line 68 of file DriverArnoldi.cpp.

 {
     Driver::v_InitObject(out);
     m_session->MatchSolverInfo("SolverType",
                                "VelocityCorrectionScheme",
                                m_timeSteppingAlgorithm, false);
  
     if (m_timeSteppingAlgorithm)
     {
         m_period  = m_session->GetParameter("TimeStep")
                   * m_session->GetParameter("NumSteps");
         m_nfields = m_equ[0]->UpdateFields().size() - 1;
  
     }
     else
     {
         m_period  = 1.0;
         m_nfields = m_equ[0]->UpdateFields().size();
     }
  
     if(m_session->DefinesSolverInfo("ModeType") &&
        (boost::iequals(m_session->GetSolverInfo("ModeType"),
                        "SingleMode")||
         boost::iequals(m_session->GetSolverInfo("ModeType"),
                        "HalfMode")))
     {
         for(int i = 0; i < m_nfields; ++i)
         {
             m_equ[0]->UpdateFields()[i]->SetWaveSpace(true);
         }
     }
     m_negatedOp = m_equ[0]->v_NegatedOp();
  
     m_session->LoadParameter("kdim",  m_kdim,  16);
     m_session->LoadParameter("nvec",  m_nvec,  2);
     m_session->LoadParameter("nits",  m_nits,  500);
     m_session->LoadParameter("evtol", m_evtol, 1e-06);
  
     ASSERTL0( m_kdim >= m_nvec, "nvec cannot be larger than kdim.");
  
     m_session->LoadParameter("realShift", m_realShift, 0.0);
     m_equ[0]->SetLambda(m_realShift);
  
     m_session->LoadParameter("imagShift",m_imagShift,0.0);
  
     // The imaginary shift is applied at system assembly
     // Only if using HOMOGENEOUS expansion and ModeType set to SingleMode
     if(m_imagShift != 0.0)
     {
         if(!m_session->DefinesSolverInfo("HOMOGENEOUS")&&!m_session->DefinesSolverInfo("ModeType"))
         {
             NEKERROR(ErrorUtil::efatal, "Imaginary shift only supported with HOMOGENEOUS expansion and ModeType set to SingleMode");
         }
         else if(!boost::iequals(m_session->GetSolverInfo("ModeType"),"SingleMode"))
         {
             NEKERROR(ErrorUtil::efatal, "Imaginary shift only supported with HOMOGENEOUS expansion and ModeType set to SingleMode");
         }
     }
     MaskInit();
 }

References ASSERTL0, Nektar::ErrorUtil::efatal, Nektar::SolverUtils::Driver::m_equ, m_evtol, m_imagShift, m_kdim, m_negatedOp, m_nfields, m_nits, m_nvec, m_period, m_realShift, Nektar::SolverUtils::Driver::m_session, m_timeSteppingAlgorithm, MaskInit(), NEKERROR, and Nektar::SolverUtils::Driver::v_InitObject().

Referenced by Nektar::SolverUtils::DriverArpack::v_InitObject(), and Nektar::SolverUtils::DriverModifiedArnoldi::v_InitObject().

◆ WriteEvs()

void Nektar::SolverUtils::DriverArnoldi::WriteEvs	(	std::ostream &	evlout,
		const int	k,
		const NekDouble	real,
		const NekDouble	imag,
		NekDouble	resid = `NekConstants::kNekUnsetDouble`,
		bool	DumpInverse = `true`
	)

protected

Definition at line 278 of file DriverArnoldi.cpp.

 {
     if (m_timeSteppingAlgorithm)
     {
         NekDouble abs_ev = hypot (re_ev, im_ev);
         NekDouble ang_ev = atan2 (im_ev, re_ev);
  
         evlout << "EV: " << setw(2)  << i
                << setw(12) << abs_ev
                << setw(12) << ang_ev
                << setw(12) << log (abs_ev) / m_period
                << setw(12) << ang_ev       / m_period;
  
         if(resid != NekConstants::kNekUnsetDouble)
         {
             evlout << setw(12) << resid;
         }
         evlout << endl;
     }
     else
     {
         NekDouble invmag = 1.0/(re_ev*re_ev + im_ev*im_ev);
         NekDouble sign;
         if(m_negatedOp)
         {
             sign = -1.0;
         }
         else
         {
             sign = 1.0;
         }
  
         evlout << "EV: " << setw(2)  <<  i
                << setw(14) <<  sign*re_ev
                << setw(14) <<  sign*im_ev;
  
         if(DumpInverse)
         {
             evlout << setw(14) <<  sign*re_ev*invmag + m_realShift
                    << setw(14) <<  sign*im_ev*invmag + m_imagShift;
         }
  
         if(resid != NekConstants::kNekUnsetDouble)
         {
             evlout << setw(12) << resid;
         }
         evlout << endl;
     }
 }

References Nektar::NekConstants::kNekUnsetDouble, tinysimd::log(), m_imagShift, m_negatedOp, m_period, m_realShift, m_timeSteppingAlgorithm, and sign.

Referenced by Nektar::SolverUtils::DriverModifiedArnoldi::EV_post(), Nektar::SolverUtils::DriverModifiedArnoldi::EV_test(), and Nektar::SolverUtils::DriverArpack::v_Execute().

◆ WriteFld() [1/2]

void Nektar::SolverUtils::DriverArnoldi::WriteFld	(	std::string	file,
		Array< OneD, NekDouble >	coeffs
	)

protected

Definition at line 260 of file DriverArnoldi.cpp.

 {
  
     std::vector<std::string>  variables(m_nfields);
     std::vector<Array<OneD, NekDouble> > fieldcoeffs(m_nfields);
  
     int ncoeffs = m_equ[0]->UpdateFields()[0]->GetNcoeffs();
     ASSERTL1(coeffs.size() >= ncoeffs*m_nfields,"coeffs is not of sufficient size");
  
     for(int i = 0; i < m_nfields; ++i)
     {
         variables[i] = m_equ[0]->GetVariable(i);
         fieldcoeffs[i] = coeffs + i*ncoeffs;
     }
  
     m_equ[0]->WriteFld(file,m_equ[0]->UpdateFields()[0], fieldcoeffs, variables);
 }

References ASSERTL1, Nektar::SolverUtils::Driver::m_equ, and m_nfields.

◆ WriteFld() [2/2]

void Nektar::SolverUtils::DriverArnoldi::WriteFld	(	std::string	file,
		std::vector< Array< OneD, NekDouble > >	coeffs
	)

protected

Write coefficients to file.

Definition at line 245 of file DriverArnoldi.cpp.

 {
  
     std::vector<std::string>  variables(m_nfields);
  
     ASSERTL1(coeffs.size() >= m_nfields, "coeffs is not of the correct length");
     for(int i = 0; i < m_nfields; ++i)
     {
         variables[i] = m_equ[0]->GetVariable(i);
     }
  
     m_equ[0]->WriteFld(file,m_equ[0]->UpdateFields()[0], coeffs, variables);
 }

References ASSERTL1, Nektar::SolverUtils::Driver::m_equ, and m_nfields.

Referenced by Nektar::SolverUtils::DriverModifiedArnoldi::EV_post(), and Nektar::SolverUtils::DriverArpack::v_Execute().

Friends And Related Function Documentation

◆ MemoryManager< DriverArnoldi >

friend class MemoryManager< DriverArnoldi >

friend

Definition at line 131 of file DriverArnoldi.h.

Member Data Documentation

◆ m_evtol

NekDouble Nektar::SolverUtils::DriverArnoldi::m_evtol

protected

Maxmum number of iterations.

Definition at line 61 of file DriverArnoldi.h.

Referenced by ArnoldiSummary(), Nektar::SolverUtils::DriverModifiedArnoldi::EV_test(), Nektar::SolverUtils::DriverArpack::v_Execute(), and v_InitObject().

◆ m_imag_evl

Array<OneD, NekDouble> Nektar::SolverUtils::DriverArnoldi::m_imag_evl

protected

Definition at line 73 of file DriverArnoldi.h.

Referenced by Nektar::SolverUtils::DriverArpack::v_Execute(), Nektar::SolverUtils::DriverModifiedArnoldi::v_Execute(), and v_GetImagEvl().

◆ m_imagShift

NekDouble Nektar::SolverUtils::DriverArnoldi::m_imagShift

protected

Definition at line 69 of file DriverArnoldi.h.

Referenced by ArnoldiSummary(), Nektar::SolverUtils::DriverArpack::v_Execute(), Nektar::SolverUtils::DriverModifiedArnoldi::v_Execute(), v_InitObject(), and WriteEvs().

◆ m_infosteps

int Nektar::SolverUtils::DriverArnoldi::m_infosteps

protected

underlying operator is time stepping

Definition at line 65 of file DriverArnoldi.h.

Referenced by DriverArnoldi(), and Nektar::SolverUtils::DriverArpack::v_Execute().

◆ m_kdim

int Nektar::SolverUtils::DriverArnoldi::m_kdim

protected

Definition at line 58 of file DriverArnoldi.h.

Referenced by ArnoldiSummary(), Nektar::SolverUtils::DriverSteadyState::ComputeOptimization(), Nektar::SolverUtils::DriverArpack::v_Execute(), Nektar::SolverUtils::DriverModifiedArnoldi::v_Execute(), v_InitObject(), and Nektar::SolverUtils::DriverArpack::v_InitObject().

◆ m_maskCoeffs

Array<OneD, NekDouble> Nektar::SolverUtils::DriverArnoldi::m_maskCoeffs

protected

Definition at line 76 of file DriverArnoldi.h.

Referenced by GetMaskCoeff(), and MaskInit().

◆ m_maskPhys

Array<OneD, NekDouble> Nektar::SolverUtils::DriverArnoldi::m_maskPhys

protected

Definition at line 77 of file DriverArnoldi.h.

Referenced by GetMaskPhys(), and MaskInit().

◆ m_negatedOp

int Nektar::SolverUtils::DriverArnoldi::m_negatedOp

protected

Definition at line 70 of file DriverArnoldi.h.

Referenced by Nektar::SolverUtils::DriverArpack::v_Execute(), v_InitObject(), and WriteEvs().

◆ m_nfields

int Nektar::SolverUtils::DriverArnoldi::m_nfields

protected

interval to dump information if required.

Definition at line 67 of file DriverArnoldi.h.

Referenced by CopyArnoldiArrayToField(), CopyFieldToArnoldiArray(), CopyFwdToAdj(), MaskInit(), Nektar::SolverUtils::DriverArpack::v_Execute(), Nektar::SolverUtils::DriverModifiedArnoldi::v_Execute(), v_InitObject(), and WriteFld().

◆ m_nits

int Nektar::SolverUtils::DriverArnoldi::m_nits

protected

Number of vectors to test.

Definition at line 60 of file DriverArnoldi.h.

Referenced by ArnoldiSummary(), Nektar::SolverUtils::DriverArpack::v_Execute(), Nektar::SolverUtils::DriverModifiedArnoldi::v_Execute(), and v_InitObject().

◆ m_nvec

int Nektar::SolverUtils::DriverArnoldi::m_nvec

protected

Dimension of Krylov subspace.

Definition at line 59 of file DriverArnoldi.h.

Referenced by ArnoldiSummary(), Nektar::SolverUtils::DriverArpack::v_Execute(), Nektar::SolverUtils::DriverModifiedArnoldi::v_Execute(), v_InitObject(), and Nektar::SolverUtils::DriverArpack::v_InitObject().

◆ m_period

NekDouble Nektar::SolverUtils::DriverArnoldi::m_period

protected

Tolerance of iteratiosn.

Definition at line 62 of file DriverArnoldi.h.

Referenced by v_InitObject(), and WriteEvs().

◆ m_real_evl

Array<OneD, NekDouble> Nektar::SolverUtils::DriverArnoldi::m_real_evl

protected

Operator in solve call is negated.

Definition at line 72 of file DriverArnoldi.h.

Referenced by Nektar::SolverUtils::DriverArpack::v_Execute(), Nektar::SolverUtils::DriverModifiedArnoldi::v_Execute(), and v_GetRealEvl().

◆ m_realShift

NekDouble Nektar::SolverUtils::DriverArnoldi::m_realShift

protected

Definition at line 68 of file DriverArnoldi.h.

Referenced by ArnoldiSummary(), Nektar::SolverUtils::DriverArpack::v_Execute(), v_InitObject(), and WriteEvs().

◆ m_timeSteppingAlgorithm

bool Nektar::SolverUtils::DriverArnoldi::m_timeSteppingAlgorithm

protected

Period of time stepping algorithm.

Definition at line 63 of file DriverArnoldi.h.

Referenced by ArnoldiSummary(), CopyFwdToAdj(), Nektar::SolverUtils::DriverModifiedArnoldi::EV_test(), Nektar::SolverUtils::DriverArpack::v_Execute(), v_InitObject(), and WriteEvs().

◆ m_useMask

bool Nektar::SolverUtils::DriverArnoldi::m_useMask

protected

Definition at line 75 of file DriverArnoldi.h.

Referenced by Nektar::SolverUtils::DriverModifiedArnoldi::EV_big(), Nektar::SolverUtils::DriverModifiedArnoldi::EV_post(), Nektar::SolverUtils::DriverModifiedArnoldi::EV_small(), MaskInit(), and Nektar::SolverUtils::DriverModifiedArnoldi::v_Execute().

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DriverArnoldi()

◆ ~DriverArnoldi()

Member Function Documentation

◆ ArnoldiSummary()

◆ CopyArnoldiArrayToField()

◆ CopyFieldToArnoldiArray()

◆ CopyFwdToAdj()

◆ GetMaskCoeff()

◆ GetMaskPhys()

◆ GetUnmaskFunction()

◆ MaskInit()

◆ v_GetImagEvl()

◆ v_GetRealEvl()

◆ v_InitObject()

◆ WriteEvs()

◆ WriteFld() [1/2]

◆ WriteFld() [2/2]

Friends And Related Function Documentation

◆ MemoryManager< DriverArnoldi >

Member Data Documentation

◆ m_evtol

◆ m_imag_evl

◆ m_imagShift

◆ m_infosteps

◆ m_kdim

◆ m_maskCoeffs

◆ m_maskPhys

◆ m_negatedOp

◆ m_nfields

◆ m_nits

◆ m_nvec

◆ m_period

◆ m_real_evl

◆ m_realShift

◆ m_timeSteppingAlgorithm

◆ m_useMask