NeumannBC Class Reference

Neumann boundary condition (i.e., constant derivative) More...

#include <boundarycondition.hpp>

Inheritance diagram for NeumannBC:

Collaboration diagram for NeumannBC:

Public Member Functions
	NeumannBC (Real value, Side side)
void	applyBeforeApplying (TridiagonalOperator &) const override
void	applyAfterApplying (Array &) const override
void	applyBeforeSolving (TridiagonalOperator &, Array &rhs) const override
void	applyAfterSolving (Array &) const override
void	setTime (Time) override
Public Member Functions inherited from BoundaryCondition< TridiagonalOperator >
virtual	~BoundaryCondition ()=default
virtual void	applyBeforeApplying (operator_type &) const=0
virtual void	applyAfterApplying (array_type &) const=0
virtual void	applyBeforeSolving (operator_type &, array_type &rhs) const=0
virtual void	applyAfterSolving (array_type &) const=0
virtual void	setTime (Time t)=0

Private Attributes
Real	value_
Side	side_

Additional Inherited Members
Public Types inherited from BoundaryCondition< TridiagonalOperator >
enum	Side
typedef TridiagonalOperator	operator_type
typedef Operator::array_type	array_type

Detailed Description

Neumann boundary condition (i.e., constant derivative)

Warning:

The value passed must not be the value of the derivative. Instead, it must be comprehensive of the grid step between the first two points–i.e., it must be the difference between f[0] and f[1].

Definition at line 76 of file boundarycondition.hpp.

Constructor & Destructor Documentation

NeumannBC()

NeumannBC	(	Real	value,
		Side	side
	)

Definition at line 24 of file boundarycondition.cpp.

Member Function Documentation

applyBeforeApplying()

void applyBeforeApplying ( TridiagonalOperator &  ) const

overridevirtual

This method modifies an operator \( L \) before it is applied to an array \( u \) so that \( v = Lu \) will satisfy the given condition.

Implements BoundaryCondition< TridiagonalOperator >.

Definition at line 27 of file boundarycondition.cpp.

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applyAfterApplying()

void applyAfterApplying ( Array &  u ) const

override

Definition at line 40 of file boundarycondition.cpp.

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applyBeforeSolving()

void applyBeforeSolving ( TridiagonalOperator &  L, Array &  rhs  ) const

override

Definition at line 53 of file boundarycondition.cpp.

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applyAfterSolving()

void applyAfterSolving ( Array &  ) const

override

Definition at line 69 of file boundarycondition.cpp.

setTime()

void setTime ( Time  t )

overridevirtual

This method sets the current time for time-dependent boundary conditions.

Implements BoundaryCondition< TridiagonalOperator >.

Definition at line 84 of file boundarycondition.hpp.

Member Data Documentation

value_

Real value_

private

Definition at line 87 of file boundarycondition.hpp.

side_

Side side_

private

Definition at line 88 of file boundarycondition.hpp.