Class for time integration using a Newton-Krylov method, based on matrix-free products with the true Jacobian via finite differences. More...

#include <CNewtonIntegration.hpp>

Inheritance diagram for CNewtonIntegration:

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Public Types
using	Scalar = passivedouble

using	MixedScalar = su2mixedfloat

Public Member Functions
	CNewtonIntegration ()=default
	Constructor.

	~CNewtonIntegration ()
	Destructor.

void	MultiGrid_Iteration (CGeometry **geometry, CSolver *solver_container, CNumerics **numerics_container, CConfig config, unsigned short RunTime_EqSystem, unsigned short iZone, unsigned short iInst) override
	This class overrides this method to make it a drop-in replacement for CMultigridIntegration.

void	MatrixFreeProduct (const CSysVector< Scalar > &u, CSysVector< Scalar > &v)
	Implementation of matrix-vector product with the real Jacobian of the nonlinear residuals.

void	Preconditioner (const CSysVector< Scalar > &u, CSysVector< Scalar > &v) const
	Wrapper for the preconditioner.

Public Member Functions inherited from CIntegration
	CIntegration ()
	Constructor of the class.

virtual	~CIntegration (void)=default
	Destructor of the class.

void	SetDualTime_Geometry (CGeometry geometry, CSolver mesh_solver, const CConfig *config, unsigned short iMesh)
	Save the geometry at different time steps.

virtual void	SetDualTime_Solver (const CGeometry geometry, CSolver solver, const CConfig *config, unsigned short iMesh)
	Save the solution at different time steps, and reset certain fields for the next timestep.

virtual void	MonitorFullMG_Startup (const vector< pair< string, passivedouble > > &convFields, const CConfig *config)
	Report the convergence fields on the active mesh level to a Full-MG startup.

virtual bool	GetFullMG_CFLRamp () const
	Whether the Full-MG startup is still ramping the CFL of the finest grid.

virtual unsigned long	GetLevelStartIter () const
	InnerIter at which the currently active Full-MG level became active.

virtual void	SingleGrid_Iteration (CGeometry **geometry, CSolver *solver_container, CNumerics **numerics_container, CConfig config, unsigned short RunTime_EqSystem, unsigned short iZone, unsigned short iInst)
	A virtual member.

virtual void	Structural_Iteration (CGeometry **geometry, CSolver *solver_container, CNumerics **numerics_container, CConfig config, unsigned short RunTime_EqSystem, unsigned short iZone, unsigned short iInst)
	A virtual member.

Additional Inherited Members
Protected Member Functions inherited from CIntegration
void	Space_Integration (CGeometry geometry, CSolver solver_container, CNumerics numerics, CConfig config, unsigned short iMesh, unsigned short iRKStep, unsigned short RunTime_EqSystem)
	Do the space integration of the numerical system.

void	Time_Integration (CGeometry geometry, CSolver solver_container, CConfig config, unsigned short iRKStep, unsigned short RunTime_EqSystem)
	Do the time integration (explicit or implicit) of the numerical system.

Protected Attributes inherited from CIntegration
int	rank
	MPI Rank.

int	size
	MPI Size.

Detailed Description

Class for time integration using a Newton-Krylov method, based on matrix-free products with the true Jacobian via finite differences.

Author: P. Gomes

Member Typedef Documentation

◆ MixedScalar

using CNewtonIntegration::MixedScalar = su2mixedfloat

◆ Scalar

using CNewtonIntegration::Scalar = passivedouble

Constructor & Destructor Documentation

◆ CNewtonIntegration()

CNewtonIntegration::CNewtonIntegration ( )

default

Constructor.

◆ ~CNewtonIntegration()

CNewtonIntegration::~CNewtonIntegration ( )

Destructor.

Member Function Documentation

◆ MatrixFreeProduct()

void CNewtonIntegration::MatrixFreeProduct	(	const CSysVector< Scalar > &	u,
		CSysVector< Scalar > &	v
	)

Implementation of matrix-vector product with the real Jacobian of the nonlinear residuals.

◆ MultiGrid_Iteration()

void CNewtonIntegration::MultiGrid_Iteration	(	CGeometry ****	geometry,
		CSolver *****	solver_container,
		CNumerics ******	numerics_container,
		CConfig **	config,
		unsigned short	RunTime_EqSystem,
		unsigned short	iZone,
		unsigned short	iInst
	)

overridevirtual

This class overrides this method to make it a drop-in replacement for CMultigridIntegration.

Parameters

[in]	geometry	- Geometrical definition of the problem.
[in]	solver_container	- Container vector with all the solutions.
[in]	numerics_container	- Description of the numerical method (the way in which the equations are solved).
[in]	config	- Definition of the particular problem.
[in]	RunTime_EqSystem	- System of equations which is going to be solved.
[in]	iZone	- Current zone.
[in]	iInst	- Current instance.

TODO: Clever back-tracking and CFL adaptation based on residual reduction.

Reimplemented from CIntegration.

◆ Preconditioner()

void CNewtonIntegration::Preconditioner	(	const CSysVector< Scalar > &	u,
		CSysVector< Scalar > &	v
	)		const

Wrapper for the preconditioner.

The documentation for this class was generated from the following files:

SU2_CFD/include/integration/CNewtonIntegration.hpp
SU2_CFD/src/integration/CNewtonIntegration.cpp

Public Types

Public Member Functions

Additional Inherited Members