RiemannSolvers Module Reference

Module containing various Riemann Solvers. More...

Collaboration diagram for RiemannSolvers:

List of all members.

Public Member Functions
REAL(KIND=qPREC) function	calc_flux (wl, wr, f, lambda_max)
	Calculate flux based on solver selected.
REAL(KIND=qPREC) function	HLLC_ISO (wl, wr, f, lambda_max)
	Calculate Isothermal version of the HLLC flux.
REAL(KIND=qPREC) function	HLLD_ISO (wl, wr, f, lambda_max)
	Calculate Isothermal version of the HLLD flux.
REAL(KIND=qPREC) function	HLLD (wl, wr, f, lambda_max)
	Calculate HLLD flux for an ideal eos.
REAL(KIND=qPREC) function	HLLC (wl, wr, f, lambda_max)
	Calculate HLLC flux for an ideal gas eos.
REAL(KIND=qPREC) function	HLL (wleft, wright, f, lambda_max)
	Calculate HLL flux for an ideal EOS.
REAL(KIND=qPREC) function	HLL_MHD (wleft, wright, f, lambda_max)
	Calculate HLL flux for an ideal EOS.
REAL(KIND=qPREC) function	ExactRS (wl, wr, f, lambda_max)
	Calculate the exact solution given an ideal EOS.
subroutine	riemann (WLeft, WRight, WMiddle, max_speed)
	Calculate interface state for exact riemann solver.
subroutine	vacuum_solve (Left, Right, Middle, UM, S, max_speed)
	Routine for solving for interface state.
subroutine	STARPU (Left, Right, CL, CR, PM, UM)
	Calculate velocity of interface state.
subroutine	SAMPLE (PM, UM, S, Left, Right, Middle, CL, CR, max_speed)
	No idea.
subroutine	guessp (Left, Right, CL, CR, PM)
	Completely clueless.
subroutine	PREFUN (F, FD, Pstar, WK, CK)
	Called before having any fun.
Public Attributes
INTEGER, parameter, public	iHLL = 3
INTEGER, parameter, public	iHLLC = 2
INTEGER, parameter, public	iHLLD = 6
INTEGER, parameter, public	iExactRS = 1
INTEGER, parameter, public	iHLLC_ISO = 4
INTEGER, parameter, public	iHLLD_ISO = 8
INTEGER, parameter, public	iHLL_MHD = 7

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Detailed Description

Module containing various Riemann Solvers.

Definition at line 33 of file riemann_solvers.f90.

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Member Function/Subroutine Documentation

REAL(KIND=qPREC) function calc_flux	(	REAL(KIND=qPrec), dimension(:)	wl,
		REAL(KIND=qPrec), dimension(:)	wr,
		REAL(KIND=qPrec), dimension(:)	f,
		REAL(KIND=qPREC), optional	lambda_max
	)

Calculate flux based on solver selected.

Parameters:

wl	left primitive state
wr	right primitive state
f	flux
lambda_max	optional H-viscosity parameter

Definition at line 47 of file riemann_solvers.f90.

REAL(KIND=qPREC) function HLLC_ISO	(	REAL(KIND=qPrec), dimension(:)	wl,
		REAL(KIND=qPrec), dimension(:)	wr,
		REAL(KIND=qPrec), dimension(:)	f,
		REAL(KIND=qPREC), optional	lambda_max
	)

Calculate Isothermal version of the HLLC flux.

Parameters:

wl	left primitive state
wr	right primitive state
f	flux
lambda_max	optional H-viscosity parameter

Definition at line 126 of file riemann_solvers.f90.

REAL(KIND=qPREC) function HLLD_ISO	(	REAL(KIND=qPrec), dimension(:)	wl,
		REAL(KIND=qPrec), dimension(:)	wr,
		REAL(KIND=qPrec), dimension(:)	f,
		REAL(KIND=qPREC), optional	lambda_max
	)

Calculate Isothermal version of the HLLD flux.

Parameters:

wl	left primitive state
wr	right primitive state
f	flux
lambda_max	optional H-viscosity parameter

Definition at line 217 of file riemann_solvers.f90.

REAL(KIND=qPREC) function HLLD	(	REAL(KIND=qPrec), dimension(:)	wl,
		REAL(KIND=qPrec), dimension(:)	wr,
		REAL(KIND=qPrec), dimension(:)	f,
		REAL(KIND=qPREC), optional	lambda_max
	)

Calculate HLLD flux for an ideal eos.

Parameters:

wl	left primitive state
wr	right primitive state
f	flux
lambda_max	optional H-viscosity parameter

Definition at line 386 of file riemann_solvers.f90.

REAL(KIND=qPREC) function HLLC	(	REAL(KIND=qPrec), dimension(:)	wl,
		REAL(KIND=qPrec), dimension(:)	wr,
		REAL(KIND=qPrec), dimension(:)	f,
		REAL(KIND=qPREC), optional	lambda_max
	)

Calculate HLLC flux for an ideal gas eos.

Parameters:

wl	left primitive state
wr	right primitive state
f	flux
lambda_max	optional H-viscosity parameter

Definition at line 569 of file riemann_solvers.f90.

REAL(KIND=qPREC) function HLL	(	REAL(KIND=qPrec), dimension(:)	wleft,
		REAL(KIND=qPrec), dimension(:)	wright,
		REAL(KIND=qPrec), dimension(:)	f,
		REAL(KIND=qPREC), optional	lambda_max
	)

Calculate HLL flux for an ideal EOS.

Parameters:

wleft	left primitive state
wright	right primitive state
f	flux
lambda_max	optional H-viscosity parameter

Definition at line 663 of file riemann_solvers.f90.

REAL(KIND=qPREC) function HLL_MHD	(	REAL(KIND=qPrec), dimension(:)	wleft,
		REAL(KIND=qPrec), dimension(:)	wright,
		REAL(KIND=qPrec), dimension(:)	f,
		REAL(KIND=qPREC), optional	lambda_max
	)

Calculate HLL flux for an ideal EOS.

Parameters:

wleft	left primitive state
wright	right primitive state
f	flux
lambda_max	optional H-viscosity parameter

Definition at line 729 of file riemann_solvers.f90.

REAL(KIND=qPREC) function ExactRS	(	REAL(KIND=qPrec), dimension(:)	wl,
		REAL(KIND=qPrec), dimension(:)	wr,
		REAL(KIND=qPrec), dimension(:)	f,
		REAL(KIND=qPREC), optional	lambda_max
	)

Calculate the exact solution given an ideal EOS.

Parameters:

wl	left primitive state
wr	right primitive state
f	flux
lambda_max	optional H-viscosity parameter

Definition at line 794 of file riemann_solvers.f90.

subroutine riemann	(	REAL(KIND=qPrec), dimension(:)	WLeft,
		REAL(KIND=qPrec), dimension(:)	WRight,
		REAL(KIND=qPrec), dimension(:)	WMiddle,
		REAL(KIND=qPrec)	max_speed
	)

Calculate interface state for exact riemann solver.

Parameters:

WLeft	left primitive state
WRight	right primitive state
WMiddle	interface primitive state

Definition at line 812 of file riemann_solvers.f90.

subroutine vacuum_solve	(	REAL(KIND=qPrec), dimension(3)	Left,
		REAL(KIND=qPrec), dimension(3)	Right,
		REAL(KIND=qPrec), dimension(3)	Middle,
		REAL(KIND=qPrec)	UM,
		REAL(KIND=qPrec)	S,
		REAL(KIND=qPrec)	max_speed
	)

Routine for solving for interface state.

Parameters:

Left	Left primitive state
Right	Right primitive state
Middle	interface primitive state
UM	velocity of interface state
S	Sample speed

Definition at line 836 of file riemann_solvers.f90.

subroutine STARPU	(	REAL(KIND=qPrec), dimension(3)	Left,
		REAL(KIND=qPrec), dimension(3)	Right,
		REAL(KIND=qPrec)	CL,
		REAL(KIND=qPrec)	CR,
		REAL(KIND=qPrec)	PM,
		REAL(KIND=qPrec)	UM
	)

Calculate velocity of interface state.

Definition at line 920 of file riemann_solvers.f90.

subroutine SAMPLE	(	REAL(KIND=qPrec)	PM,
		REAL(KIND=qPrec)	UM,
		REAL(KIND=qPrec)	S,
		REAL(KIND=qPrec), dimension(3)	Left,
		REAL(KIND=qPrec), dimension(3)	Right,
		REAL(KIND=qPrec), dimension(3)	Middle,
		REAL(KIND=qPrec)	CL,
		REAL(KIND=qPrec)	CR,
		REAL(KIND=qPREC)	max_speed
	)

No idea.

Definition at line 954 of file riemann_solvers.f90.

subroutine guessp	(	REAL(KIND=qPrec), dimension(3)	Left,
		REAL(KIND=qPrec), dimension(3)	Right,
		REAL(KIND=qPrec)	CL,
		REAL(KIND=qPrec)	CR,
		REAL(KIND=qPrec)	PM
	)

Completely clueless.

Definition at line 1030 of file riemann_solvers.f90.

subroutine PREFUN	(	REAL(KIND=qPrec)	F,
		REAL(KIND=qPrec)	FD,
		REAL(KIND=qPrec)	Pstar,
		REAL(KIND=qPrec), dimension(3)	WK,
		REAL(KIND=qPrec)	CK
	)

Called before having any fun.

Definition at line 1058 of file riemann_solvers.f90.

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Member Data Documentation

INTEGER, parameter, public iHLL = 3

Definition at line 39 of file riemann_solvers.f90.

INTEGER, parameter, public iHLLC = 2

Definition at line 39 of file riemann_solvers.f90.

INTEGER, parameter, public iHLLD = 6

Definition at line 39 of file riemann_solvers.f90.

INTEGER, parameter, public iExactRS = 1

Definition at line 39 of file riemann_solvers.f90.

INTEGER, parameter, public iHLLC_ISO = 4

Definition at line 39 of file riemann_solvers.f90.

INTEGER, parameter, public iHLLD_ISO = 8

Definition at line 39 of file riemann_solvers.f90.

INTEGER, parameter, public iHLL_MHD = 7

Definition at line 39 of file riemann_solvers.f90.

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

• riemann_solvers.f90