openswmm::dynwave Namespace Reference

Classes
struct	DWNodeState
class	DWSolver
	Dynamic wave solver — operates on entire link/node system. More...

Enumerations
enum class	SurchargeMethod : int {   EXTRAN = 0 ,   SLOT = 1 ,   DYNAMIC_SLOT = 2 }
	Surcharge method: EXTRAN (classic) or SLOT (Preissmann). More...

Variables
constexpr double	OMEGA = 0.5
	Picard under-relaxation.
constexpr double	DEFAULT_HEADTOL = 0.005
	Convergence tolerance (ft)
constexpr int	DEFAULT_MAXTRIALS = 8
	Max Picard iterations.
constexpr double	MAXVELOCITY = 50.0
	Velocity limiter (ft/s)
constexpr double	MINTIMESTEP = 0.001
	Minimum timestep (s)
constexpr double	EXTRAN_CROWN_CUTOFF = 0.96
	EXTRAN surcharge fraction.
constexpr double	SLOT_CROWN_CUTOFF = 0.985257
	Preissmann slot crown cutoff.
constexpr double	SLOT_WIDTH_FACTOR = 0.001
	Slot width = y_full * this factor.

Enumeration Type Documentation

SurchargeMethod

enum class openswmm::dynwave::SurchargeMethod : int

strong

Surcharge method: EXTRAN (classic) or SLOT (Preissmann).

See also

Legacy: SurchargeMethod in enums.h

Enumerator
EXTRAN	Classic EXTRAN approach — dQ/dH for surcharged nodes.
SLOT	Preissmann slot — fictitious narrow slot above crown.
DYNAMIC_SLOT	Dynamic slot — slot width varies with flow conditions (experimental) Sharior, S., Hodges, B.R., & Vasconcelos, J.G. (2023). Generalized, Dynamic, and Transient-Storage Form of the Preissmann Slot. Journal of Hydraulic Engineering, 149(11), 04023046.

Variable Documentation

DEFAULT_HEADTOL

constexpr double openswmm::dynwave::DEFAULT_HEADTOL = 0.005

constexpr

Convergence tolerance (ft)

DEFAULT_MAXTRIALS

constexpr int openswmm::dynwave::DEFAULT_MAXTRIALS = 8

constexpr

Max Picard iterations.

EXTRAN_CROWN_CUTOFF

constexpr double openswmm::dynwave::EXTRAN_CROWN_CUTOFF = 0.96

constexpr

EXTRAN surcharge fraction.

MAXVELOCITY

constexpr double openswmm::dynwave::MAXVELOCITY = 50.0

constexpr

Velocity limiter (ft/s)

MINTIMESTEP

constexpr double openswmm::dynwave::MINTIMESTEP = 0.001

constexpr

Minimum timestep (s)

OMEGA

constexpr double openswmm::dynwave::OMEGA = 0.5

constexpr

Picard under-relaxation.

SLOT_CROWN_CUTOFF

constexpr double openswmm::dynwave::SLOT_CROWN_CUTOFF = 0.985257

constexpr

Preissmann slot crown cutoff.

SLOT_WIDTH_FACTOR

constexpr double openswmm::dynwave::SLOT_WIDTH_FACTOR = 0.001

constexpr

Slot width = y_full * this factor.