ICPG2DT Class Reference

Class to solve the Inviscid compressible fluid flows (Euler equations) for perfect gas in 2-D. More...

Inheritance diagram for ICPG2DT:

Public Member Functions
	ICPG2DT (Mesh &ms)
	Constructor using mesh instance.
	ICPG2DT (Mesh &ms, Vect< real_t > &r, Vect< real_t > &v, Vect< real_t > &p)
	Constructor using mesh and initial data. More...
	~ICPG2DT ()
	Destructor.
void	setReconstruction ()
	Reconstruct. More...
real_t	runOneTimeStep ()
	Advance one time step.
void	Forward (const Vect< real_t > &Flux, Vect< real_t > &Field)
	Add Flux to Field. More...
real_t	getFlux ()
	Get flux.
void	setSolver (SolverType s)
	Choose solver. More...
void	setGamma (real_t gamma)
	Set Gamma value.
void	setCv (real_t Cv)
	Set value of heat capacity at constant volume.
void	setCp (real_t Cp)
	Set value of heat capacity at constant pressure.
void	setKappa (real_t Kappa)
	Set Kappa value.
real_t	getGamma () const
	Return value of Gamma.
real_t	getCv () const
	Return value of heat capacity at constant volume.
real_t	getCp () const
	Return value of heat capacity at constant pressure.
real_t	getKappa () const
	Return value of Kappa.
Mesh &	getMesh ()
	Return reference to mesh instance.
void	getMomentum (Vect< real_t > &m) const
	Calculate elementwise momentum.
void	getInternalEnergy (Vect< real_t > &e) const
	Calculate elementwise internal energy.
void	getTotalEnergy (Vect< real_t > &e) const
	Return elementwise total energy.
void	getSoundSpeed (Vect< real_t > &s) const
	Return elementwise sound speed.
void	getMach (Vect< real_t > &m) const
	Return elementwise Mach number.
void	setInitialConditionShockTube (const LocalVect< real_t, 4 > &BcL, const LocalVect< real_t, 4 > &BcR, real_t x0)
	Set initial condition for the schock tube problem.
void	setInitialCondition (const LocalVect< real_t, 4 > &u)
	Set initial condition.
void	setBC (const Side &sd, real_t a)
	Prescribe a constant boundary condition at given side. More...
void	setBC (int code, real_t a)
	Prescribe a constant boundary condition for a given code. More...
void	setBC (real_t u)
	Prescribe a constant boundary condition on all boundary sides. More...
void	setBC (const Side &sd, const LocalVect< real_t, 4 > &u)
	Prescribe a constant boundary condition at a given side. More...
void	setBC (int code, const LocalVect< real_t, 4 > &u)
	Prescribe a constant boundary condition for a given code. More...
void	setBC (const LocalVect< real_t, 4 > &u)
	Prescribe a constant boundary condition at all boundary sides. More...
real_t	getR (size_t i) const
	Return density at given element label. More...
real_t	getV (size_t i, size_t j) const
real_t	getP (size_t i) const
	Return pressure at given element label. 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 Inviscid compressible fluid flows (Euler equations) for perfect gas in 2-D.

Solution method is a second-order MUSCL Finite Volume scheme on triangles

Author

S. Clain, V. Clauzon

Copyright

GNU Lesser Public License

Constructor & Destructor Documentation

ICPG2DT	(	Mesh &	ms,
		Vect< real_t > &	r,
		Vect< real_t > &	v,
		Vect< real_t > &	p
	)

Constructor using mesh and initial data.

Parameters

[in]	ms	Mesh instance
[in]	r	Initial density vector (as instance of Vect)
[in]	v	Initial velocity vector (as instance of Vect)
[in]	p	Initial pressure vector (as instance of Vect)

Member Function Documentation

void setReconstruction

(

)

Reconstruct.

exit(3) if reconstruction fails

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

Add Flux to Field.

If this function is used, the function getFlux must be called

void setSolver

(

SolverType

s

)

Choose solver.

Parameters

[in]

s

Index of solver in the enumerated variable SolverType Available values are: ROE_SOLVER, VFROE_SOLVER, LF_SOLVER, RUSANOV_SOLVER, HLL_SOLVER, HLLC_SOLVER, MAX_SOLVER

void setBC	(	const Side &	sd,
		real_t	a
	)

Prescribe a constant boundary condition at given side.

Parameters

[in]	sd	Reference to Side instance
[in]	a	Value to prescribe

void setBC	(	int	code,
		real_t	a
	)

Prescribe a constant boundary condition for a given code.

Parameters

[in]	code	Code for which value is imposed
[in]	a	Value to prescribe

void setBC

(

real_t

u

)

Prescribe a constant boundary condition on all boundary sides.

Parameters

[in]

u

Value to prescribe

void setBC	(	const Side &	sd,
		const LocalVect< real_t, 4 > &	u
	)

Prescribe a constant boundary condition at a given side.

Parameters

[in]	sd	Reference to Side instance
[in]	u	Vector (instance of class LocalVect) with as components the constant values to prescribe for the four fields (r, vx, vy, p)

void setBC	(	int	code,
		const LocalVect< real_t, 4 > &	u
	)

Prescribe a constant boundary condition for a given code.

Parameters

[in]	code	Code for which value is imposed
[in]	u	Vector (instance of class LocalVect) with as components the constant values to prescribe for the four fields (r, vx, vy, p)

void setBC

(

const LocalVect< real_t, 4 > &

u

)

Prescribe a constant boundary condition at all boundary sides.

Parameters

[in]

u

Vector (instance of class LocalVect) with as components the constant values to prescribe for the four fields (r, vx, vy, p)

real_t getR

(

size_t

i

)

const

Return density at given element label.

Parameters

[in]

i

Element label

real_t getV	(	size_t	i,
		size_t	j
	)		const

Return velocity at given element label

Parameters

[in]	i	Element label
[in]	j	component index (1 or 2)

real_t getP

(

size_t

i

)

const

Return pressure at given element label.

Parameters

[in]

i

Element label