Global Flow/Quality Routing Methods

Global flow/quality routing methods. More...

Collaboration diagram for Global Flow/Quality Routing Methods:

Functions
void	flowrout_init (int routingModel)
	Initializes flow routing system.
void	flowrout_close (int routingModel)
	Closes down flow routing system.
double	flowrout_getRoutingStep (int routingModel, double fixedStep)
	Finds variable time step for dynamic wave routing.
int	flowrout_execute (int links[], int routingModel, double tStep)
	Routes flow through conveyance network over current time step.
void	toposort_sortLinks (int sortedLinks[])
	Sorts links from upstream to downstream.
int	kinwave_execute (int linkIndex, double *qin, double *qout, double tStep)
	Finds outflow over time step tStep given flow entering a conduit using Kinematic Wave flow routing.
void	dynwave_validate (void)
	Adjusts dynamic wave routing options.
void	dynwave_init (void)
	Initializes dynamic wave routing method.
void	dynwave_close (void)
	Frees memory allocated for dynamic wave routing method.
double	dynwave_getRoutingStep (double fixedStep)
	Computes variable routing time step if applicable.
int	dynwave_execute (double tStep)
	Routes flows through drainage network over current time step.
void	dwflow_findConduitFlow (int linkIndex, int steps, double omega, double dt)
	Updates flow in conduit link by solving finite difference form of continuity and momentum equations.
void	qualrout_init (void)
	Initializes water quality concentrations in all nodes and links.
void	qualrout_execute (double tStep)
	Routes water quality constituents through the drainage network over the current time step.

Detailed Description

Global flow/quality routing methods.

Function Documentation

dwflow_findConduitFlow()

void dwflow_findConduitFlow	(	int	linkIndex,
		int	steps,
		double	omega,
		double	dt
	)

Updates flow in conduit link by solving finite difference form of continuity and momentum equations.

Parameters

[in]	linkIndex	Link index
[in]	steps	Number of iteration steps taken
[in]	omega	Under-relaxation parameter
[in]	dt	Time step (sec)

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dynwave_close()

void dynwave_close

(

void

)

Frees memory allocated for dynamic wave routing method.

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dynwave_execute()

int dynwave_execute

(

double

tStep

)

Routes flows through drainage network over current time step.

Parameters

[in]

tStep

Time step (sec)

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dynwave_getRoutingStep()

double dynwave_getRoutingStep

(

double

fixedStep

)

Computes variable routing time step if applicable.

Parameters

[in]

fixedStep

User-supplied fixed time step (sec)

Returns

Returns routing time step (sec)

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dynwave_init()

void dynwave_init

(

void

)

Initializes dynamic wave routing method.

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dynwave_validate()

void dynwave_validate

(

void

)

Adjusts dynamic wave routing options.

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flowrout_close()

void flowrout_close

(

int

routingModel

)

Closes down flow routing system.

Parameters

[in]

routingModel

Routing model code

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flowrout_execute()

int flowrout_execute	(	int	links[],
		int	routingModel,
		double	tStep
	)

Routes flow through conveyance network over current time step.

Parameters

[in]	links	Array of link indices
[in]	routingModel	Routing model code
[in]	tStep	Time step (sec)

Returns

Returns number of computational steps taken

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flowrout_getRoutingStep()

double flowrout_getRoutingStep	(	int	routingModel,
		double	fixedStep
	)

Finds variable time step for dynamic wave routing.

Parameters

[in]	routingModel	Type of routing model
[in]	fixedStep	User-supplied time step (sec)

Returns

Returns adjusted value of routing time step (sec)

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flowrout_init()

void flowrout_init

(

int

routingModel

)

Initializes flow routing system.

Parameters

[in]

routingModel

Routing model code

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kinwave_execute()

int kinwave_execute	(	int	linkIndex,
		double *	qinflow,
		double *	qoutflow,
		double	tStep
	)

Finds outflow over time step tStep given flow entering a conduit using Kinematic Wave flow routing.

Parameters

[in]	linkIndex	Link index
[in]	qinflow	Inflow at current time (cfs)
[out]	qoutflow	Outflow at current time (cfs)
[in]	tStep	Time step (sec)

Returns

Returns number of iterations used

Orientation of link and variables: q1, a1, q2, a2, q3, a3, x, t ^ q3 t |
| qin, ain |----------------—| qout, aout | | Flow —> | |-—> x q1, a1 |----------------—| q2, a2

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qualrout_execute()

void qualrout_execute

(

double

tStep

)

Routes water quality constituents through the drainage network over the current time step.

Parameters

[in]

tStep

Routing time step (sec)

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qualrout_init()

void qualrout_init

(

void

)

Initializes water quality concentrations in all nodes and links.

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toposort_sortLinks()

void toposort_sortLinks

(

int

sortedLinks[]

)

Sorts links from upstream to downstream.

Parameters

[in,out]

sortedLinks

Array of link indexes in sorted order

Sorts links from upstream to downstream.

Parameters

[in,out]

sortedLinks

Array of link indices

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