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BaseBottomSmoother Class Reference

Pure base class to encapsulate bottom smooth for LevelOp-derived objects. More...

#include <BaseBottomSmoother.H>

Inheritance diagram for BaseBottomSmoother:

[legend]List of all members.

Public Methods
	BaseBottomSmoother ()
	Null constructor.
virtual	~BaseBottomSmoother ()
	Destructor.
virtual BaseBottomSmoother *	new_bottomSmoother () const=0
	This gets around the "no virtual constructor" rule.
virtual void	doBottomSmooth (LevelData< FArrayBox > &a_phi, const LevelData< FArrayBox > &a_rhs, LevelOp *a_levelopPtr)=0
	Do smoothing.
virtual void	setConvergenceMetric (Real a_metric, int a_comp=0)=0
	sets metric to judge convergence (normally norm(rhs) of outer problem
virtual void	setSolverTol (Real a_tol)=0
	set solver tolerance

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Detailed Description

Pure base class to encapsulate bottom smooth for LevelOp-derived objects.

The BaseBottomSmoother class is a virtual base class for implementing different bottomSmoother algorithms for LevelOp-derived classes. It takes a LevelOp pointer as an argument during its definition, in order to access the problem-dependent (equation-dependent) functionality of the specific LevelOp derivative class.

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Constructor & Destructor Documentation

BaseBottomSmoother::BaseBottomSmoother (    )  [inline]

Null constructor.

virtual BaseBottomSmoother::~BaseBottomSmoother (    )  [inline, virtual]

Destructor.

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Member Function Documentation

virtual void BaseBottomSmoother::doBottomSmooth (  LevelData< FArrayBox > &    a_phi, const LevelData< FArrayBox > &    a_rhs, LevelOp *    a_levelopPtr )  [pure virtual]

Do smoothing. Implemented in BiCGStabSmoother, GSRBSmoother, and NoOpSmoother.

virtual BaseBottomSmoother* BaseBottomSmoother::new_bottomSmoother (    )  const [pure virtual]

This gets around the "no virtual constructor" rule. Implemented in BiCGStabSmoother, GSRBSmoother, and NoOpSmoother.

virtual void BaseBottomSmoother::setConvergenceMetric (  Real    a_metric, int    a_comp = 0 )  [pure virtual]

sets metric to judge convergence (normally norm(rhs) of outer problem To make the iterative solver convergence more consistent, the solver will consider itself "solved" if the residual is reduced to epsilon*metric, where epsilon is the solver tolerance (set by setSolverTol). A good starting point for the metric is the norm of the RHS of the original problem (i.e. the rhs sent in to LevelSolver or AMRSolver). Default value is 1.0. Implemented in BiCGStabSmoother, GSRBSmoother, and NoOpSmoother.

virtual void BaseBottomSmoother::setSolverTol (  Real    a_tol )  [pure virtual]

set solver tolerance Implemented in BiCGStabSmoother, GSRBSmoother, and NoOpSmoother.

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

• BaseBottomSmoother.H

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