LCL3DT Class Reference
[Conservation Law Equations]

#include <LCL3DT.h>

Inheritance diagram for LCL3DT:

Detailed Description

Class to solve the linear conservation law equation in 3-D by a MUSCL Finite Volume scheme on tetrahedra.


Public Types
enum	Limiter { MINMOD_LIMITER = 0, SUPERBEE_LIMITER = 2, VANLEER_LIMITER = 1, VANALBADA_LIMITER = 3, MAX_LIMITER = 4, L_FORCE_WORD = 0xFFFFFFFF }
enum	Method { FIRST_ORDER_METHOD = 0, MULTI_SLOPE_M_METHOD = 2, MULTI_SLOPE_Q_METHOD = 1, M_FORCE_WORD = 0xFFFFFFFF }
Public Member Functions
void	Forward (const SideVect< double > &Flux, ElementVect< double > &Field)
	Computation of the primal variable n->n+1.
double	getCFL () const
	Return CFL value.
double	getComega () const
	Return value of Comega.
double	getMaximumEdgeLength () const
	Return maximum length of edges in the mesh.
double	getMaximumElementVolume () const
	Return maximum volume of elements in the mesh.
double	getMaximumFaceArea () const
	Return maximum area of faces in the mesh.
double	getMeanElementVolume () const
	Return mean volume of elements in the mesh.
double	getMeanFaceArea () const
	Return mean area of faces in the mesh.
Mesh &	getMesh () const
	Return reference to Mesh instance.
double	getMinimumEdgeLength () const
	Return minimum length of edges in the mesh.
double	getMinimumElementVolume () const
	Return minimum volume of elements in the mesh.
double	getMinimumFaceArea () const
	Return minimum are of faces in the mesh.
double	getMinimumVolumebyArea () const
	Return minimum volume by area in the mesh.
double	getReferenceLength () const
	Return reference length.
double	getTauLim () const
	Return value of tau lim.
double	getTimeStep () const
	Return time step value.
	LCL3DT (Mesh &m, ElementVect< double > &U)
	Constructor using mesh and initial field.
	LCL3DT (Mesh &m)
	constructor using mesh
double	runOneTimeStep ()
	Run one time step.
void	setBC (int code, double u)
	Set Dirichlet boundary condition.
void	setBC (const Side &sd, double u)
	Set Dirichlet boundary condition.
void	setBC (double u)
	Set Dirichlet boundary condition.
void	setbetalim (double bl)
	Assign value of beta lim.
void	setCFL (double CFL)
	Assign CFL value.
void	setInitialCondition (double u)
	Set a constant initial condition.
void	setInitialCondition (ElementVect< double > &u)
	Set elementwise initial condition.
void	setLimiter (Limiter l)
	Choose a flux limiter.
void	setMethod (const Method &s)
	Choose a flux solver.
bool	setReconstruction (const ElementVect< double > &U, SideVect< double > &GU, SideVect< double > &DU, int dof)
	Function to reconstruct by the Muscl method.
void	setReconstruction ()
	Reconstruct flux using Muscl scheme.
void	setReferenceLength (double dx)
	Assign reference length value.
void	setTimeStep (double dt)
	Assign time step value.
void	setVelocity (const LocalVect< double, 3 > &v)
	Set (constant) convection velocity.
void	setVelocity (const SideVect< double > &v)
	Set convection velocity.
void	setVerbose (int v)
	Set verbosity parameter.
	~LCL3DT ()
	Destructor.

Member Enumeration Documentation

enum Limiter [inherited]

Enumerator:

MINMOD_LIMITER	MinMod limiter
SUPERBEE_LIMITER	Superbee limiter
VANLEER_LIMITER	Van Leer limiter
VANALBADA_LIMITER	Van Albada limiter
MAX_LIMITER	Max limiter
L_FORCE_WORD	for compatibity reason, gcc may return a warning anyway

enum Method [inherited]

Enumerator:

FIRST_ORDER_METHOD	First Order upwind method
MULTI_SLOPE_M_METHOD	Multislope M method
MULTI_SLOPE_Q_METHOD	Multislope Q method
M_FORCE_WORD	for compatibity reasons, gcc may return a warning anyway

Constructor & Destructor Documentation

LCL3DT	(	Mesh &	m,
		ElementVect< double > &	U
	)

Constructor using mesh and initial field.

Parameters:

`[in]`	m	Reference to Mesh instance
`[in]`	U	Vector containing initial (elementwise) solution

Member Function Documentation

void Forward	(	const SideVect< double > &	Flux,
		ElementVect< double > &	Field
	)

Computation of the primal variable n->n+1.

Vector Flux contains elementwise fluxes issued from the Riemann problem, calculated with, as left element, getNeighborElement(1) and right element getNeighborElement(2) if getNeighborElement(2) doesn't exist, we are on a boundary and we prescribe a symmetry condition

void setBC	(	int	code,
		double	u
	)

Set Dirichlet boundary condition.

Assign a constant value sides with a given code

Parameters:

`[in]`	code	Code of sides to which value is prescibed
`[in]`	u	Value to prescribe

void setBC	(	const Side &	sd,
		double	u
	)

Set Dirichlet boundary condition.

Assign a constant value to a side

Parameters:

`[in]`	sd	Side to which value is prescibed
`[in]`	u	Value to prescribe

void setBC ( double u )

Set Dirichlet boundary condition.

Assign a constant value u to all boundary sides

void setCFL ( double CFL ) [inherited]

Assign CFL value.

Parameters:

CFL

[in] Value of CFL

void setInitialCondition ( double u )

Set a constant initial condition.

Parameters:

[in] u Value of initial condition to assign to all elements

void setInitialCondition ( ElementVect< double > & u )

Set elementwise initial condition.

Parameters:

[in] u ElementVect instance containing initial condition values

void setLimiter ( Limiter l ) [inherited]

Choose a flux limiter.

Parameters:

[in] l Limiter to choose

void setMethod ( const Method & s ) [inherited]

Choose a flux solver.

Parameters:

[in] s Solver to choose

bool setReconstruction	(	const ElementVect< double > &	U,
		SideVect< double > &	GU,
		SideVect< double > &	DU,
		int	dof
	)			`[inherited]`

Function to reconstruct by the Muscl method.

Parameters:

`[in]`	U	Field to reconstruct
`[out]`	GU	Left gradient vector
`[out]`	DU	Right gradient vector
`[in]`	dof	Label of dof to reconstruct

void setTimeStep ( double dt ) [inherited]

Assign time step value.

Parameters:

dt

[in] Time step value

void setVelocity ( const LocalVect< double, 3 > & v )

Set (constant) convection velocity.

Parameters:

[in] v Vector containing constant velocity to prescribe

void setVelocity ( const SideVect< double > & v )

Set convection velocity.

Parameters:

[in] v SideVect instance containing velocity

void setVerbose ( int v ) [inherited]

Set verbosity parameter.

Parameters:

[in] v Value of verbosity parameter

LCL3DT Class Reference [Conservation Law Equations]

Detailed Description

Public Types

Public Member Functions

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

LCL3DT Class Reference
[Conservation Law Equations]