Pseudo-transient solver. More...

#include <NOX_Solver_PseudoTransient.hpp>

Inheritance diagram for NOX::Solver::PseudoTransient:

Collaboration diagram for NOX::Solver::PseudoTransient:

Public Member Functions
	PseudoTransient (const Teuchos::RCP< NOX::Abstract::Group > &xGrp, const Teuchos::RCP< NOX::StatusTest::Generic > &tests, const Teuchos::RCP< Teuchos::ParameterList > &params)
void	setParameterList (const Teuchos::RCP< Teuchos::ParameterList > &paramList)
Teuchos::RCP< const Teuchos::ParameterList >	getValidParameters () const
void	reset (const NOX::Abstract::Vector &initialGuess, const Teuchos::RCP< NOX::StatusTest::Generic > &tests)
	Resets the solver, sets a new status test, and sets a new initial guess.
void	reset (const NOX::Abstract::Vector &initialGuess)
	Resets the solver and sets a new initial guess.
NOX::StatusTest::StatusType	getStatus ()
	Check current convergence and failure status.
NOX::StatusTest::StatusType	step ()
	Do one nonlinear step in the iteration sequence and return status.
NOX::StatusTest::StatusType	solve ()
	Solve the nonlinear problem and return final status.
const NOX::Abstract::Group &	getSolutionGroup () const
	Return a reference to the current solution group.
const NOX::Abstract::Group &	getPreviousSolutionGroup () const
	Return a reference to the previous solution group.
int	getNumIterations () const
	Get number of iterations.
const Teuchos::ParameterList &	getList () const
	Return a reference to the solver parameters.
double	getStepSize () const
Teuchos::RCP< const NOX::Abstract::Group >	getSolutionGroupPtr () const
	Return a RCP to the solution group.
Teuchos::RCP< const NOX::Abstract::Group >	getPreviousSolutionGroupPtr () const
	Return a RCP to the previous solution group.
Teuchos::RCP< const Teuchos::ParameterList >	getListPtr () const
	Return a RCP to the solver parameters.
Protected Member Functions
virtual void	init ()
virtual void	printUpdate ()
Protected Attributes
Teuchos::RCP< NOX::GlobalData >	globalDataPtr
	Pointer to the global data object.
Teuchos::RCP< NOX::Utils >	utilsPtr
	Utils.
Teuchos::RCP < NOX::Abstract::Group >	solnPtr
	Current solution.
Teuchos::RCP < NOX::Abstract::Group >	oldSolnPtr
	Previous solution pointer.
Teuchos::RCP < NOX::Abstract::Group >	transientResidualGroup
	Group used to evaluate a transient residual.
Teuchos::RCP < NOX::Abstract::Vector >	dirPtr
	Current search direction pointer.
Teuchos::RCP < NOX::StatusTest::Generic >	testPtr
	Stopping test.
Teuchos::RCP < NOX::LineSearch::Generic >	lineSearchPtr
	Input parameters.
Teuchos::RCP < NOX::Direction::Generic >	directionPtr
	Search Direction.
double	stepSize
	Current step.
int	nIter
	Number of nonlinear iterations.
NOX::StatusTest::StatusType	status
	Status of nonlinear solver.
NOX::StatusTest::CheckType	checkType
	Type of check to use for status tests. See NOX::StatusTest for more details.
NOX::Solver::PrePostOperator	prePostOperator
	Pointer to a user defined NOX::Abstract::PrePostOperator object.
Teuchos::RCP< NOX::Thyra::Group >	thyraSolnGroup
	Pointer to solnPtr casted back to a thyra group.
Teuchos::RCP< NOX::Thyra::Group >	thyraOldSolnGroup
	Pointer to oldSolnPtr casted back to a thyra group.
Teuchos::RCP< NOX::Thyra::Group >	thyraTransientResidualGroup
	Group used to evaluate a transient residual.
double	delta
	Step size for pseudo-transient stepping.
double	inv_delta
	Inverse step size for pseudo-transient stepping.
double	deltaInit
	Initial step size.
double	deltaMax
	Maximum step size.
double	deltaMin
	Minimum step size.
double	deltaOld
	Step size from previous iteration.
double	time
	Pseudo-transient time.
Teuchos::RCP < ::Thyra::VectorBase< double > >	x_dot
	solution time derivative used for scaling operator V in pseudo-transient paper
bool	use_transient_residual
	If set to true, the candidate direction will use the transient residual instead of the steady-state residual. This is a modification of the Kelley-Keyes paper.
int	max_pseudo_transient_iterations
	Maximum number of iterations before pseudo-transient is disabled and the algorithm switches to a line search-based direct to steady state solve.
Teuchos::RCP < Teuchos::ParameterList >	validParameters
	Parameters that are valid for this solver.