LCL2DT Class Reference

Class to solve the linear hyperbolic equation in 2-D by a MUSCL Finite Volume scheme on triangles. More...

Inheritance diagram for LCL2DT:

Public Member Functions
	LCL2DT (Mesh &m)
	Constructor using Mesh instance.
	LCL2DT (Mesh &m, Vect< real_t > &U)
	Constructor using mesh and initial data. More...
	~LCL2DT ()
	Destructor.
Vect< real_t > &	getFlux ()
	Return sidewise flux vector.
void	setInitialCondition (Vect< real_t > &u)
	Set elementwise initial condition. More...
void	setInitialCondition (real_t u)
	Set a constant initial condition. More...
void	setReconstruction ()
	Reconstruct flux using Muscl scheme.
real_t	runOneTimeStep ()
	Run one time step of the linear conservation law. More...
void	setBC (real_t u)
	Set Dirichlet boundary condition. More...
void	setBC (const Side &sd, real_t u)
	Set Dirichlet boundary condition. More...
void	setBC (int code, real_t u)
	Set Dirichlet boundary condition. More...
void	setVelocity (const Vect< real_t > &v)
	Set convection velocity. More...
void	setVelocity (const LocalVect< real_t, 2 > &v)
	Set (constant) convection velocity. More...
void	Forward (const Vect< real_t > &Flux, Vect< real_t > &Field)
	Computation of the primal variable n->n+1. More...
Public Member Functions inherited from Muscl2DT
	Muscl2DT (Mesh &m)
	Constructor using mesh.
	~Muscl2DT ()
	Destructor.
bool	setReconstruction (const Vect< real_t > &U, Vect< real_t > &LU, Vect< real_t > &RU, size_t dof)
	Function to reconstruct by the Muscl method. More...
Public Member Functions inherited from Muscl
	Muscl (Mesh &m)
	Constructor using mesh instance.
virtual	~Muscl ()
	Destructor.
void	setTimeStep (real_t dt)
	Assign time step value. More...
real_t	getTimeStep () const
	Return time step value.
void	setCFL (real_t CFL)
	Assign CFL value. More...
real_t	getCFL () const
	Return CFL value.
void	setReferenceLength (real_t dx)
	Assign reference length value. More...
real_t	getReferenceLength () const
	Return reference length.
Mesh &	getMesh () const
	Return reference to Mesh instance.
void	setVerbose (int v)
	Set verbosity parameter. More...
bool	setReconstruction (const Vect< real_t > &U, Vect< real_t > &LU, Vect< real_t > &RU, size_t dof)
	Function to reconstruct by the Muscl method. More...
void	setMethod (const Method &s)
	Choose a flux solver. More...
void	setSolidZoneCode (int c)
	Choose a code for solid zone.
bool	getSolidZone () const
	Return flag for presence of solid zones.
int	getSolidZoneCode () const
	Return code of solid zone, 0 if this one is not present.
void	setLimiter (Limiter l)
	Choose a flux limiter. More...

Additional Inherited Members
Public Types inherited from Muscl
enum	Method {   FIRST_ORDER_METHOD = 0,   MULTI_SLOPE_Q_METHOD = 1,   MULTI_SLOPE_M_METHOD = 2 }
	Enumeration for flux choice. More...
enum	Limiter {   MINMOD_LIMITER = 0,   VANLEER_LIMITER = 1,   SUPERBEE_LIMITER = 2,   VANALBADA_LIMITER = 3,   MAX_LIMITER = 4 }
	Enumeration of flux limiting methods. More...
enum	SolverType {   ROE_SOLVER = 0,   VFROE_SOLVER = 1,   LF_SOLVER = 2,   RUSANOV_SOLVER = 3,   HLL_SOLVER = 4,   HLLC_SOLVER = 5,   MAX_SOLVER = 6 }
	Enumeration of various solvers for the Riemann problem. More...
Protected Member Functions inherited from Muscl2DT
void	Initialize ()
	Construction of normals to sides. More...

Detailed Description

Class to solve the linear hyperbolic equation in 2-D by a MUSCL Finite Volume scheme on triangles.

Author

S. Clain, V. Clauzon

Copyright

GNU Lesser Public License

Constructor & Destructor Documentation

LCL2DT()

LCL2DT	(	Mesh &	m,
		Vect< real_t > &	U
	)

Constructor using mesh and initial data.

Parameters

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

Member Function Documentation

Forward()

void Forward	(	const Vect< real_t > &	Flux,
		Vect< real_t > &	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

runOneTimeStep()

real_t runOneTimeStep

(

)

Run one time step of the linear conservation law.

Returns

Value of the time step

setBC() [1/3]

void setBC

(

real_t

u

)

Set Dirichlet boundary condition.

Assign a constant value u to all boundary sides

setBC() [2/3]

void setBC	(	const Side &	sd,
		real_t	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

setBC() [3/3]

void setBC	(	int	code,
		real_t	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

setInitialCondition() [1/2]

void setInitialCondition

(

Vect< real_t > &

u

)

Set elementwise initial condition.

Parameters

[in]

u

Vect instance containing initial condition values

setInitialCondition() [2/2]

void setInitialCondition

(

real_t

u

)

Set a constant initial condition.

Parameters

[in]

u

Value of initial condition to assign to all elements

setVelocity() [1/2]

void setVelocity

(

const Vect< real_t > &

v

)

Set convection velocity.

Parameters

[in]

v

Vect instance containing velocity

setVelocity() [2/2]

void setVelocity

(

const LocalVect< real_t, 2 > &

v

)

Set (constant) convection velocity.

Parameters

[in]

v

Vector containing constant velocity to prescribe