Weir (Water Overlay): Difference between revisions

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==Notes==
==Notes==
* If a weir is placed in a waterway, and the waterway is not otherwise interrupted, water might be able to flow past the weir via the waterway itself. In order to obstruct the waterway, one of two options can be chosen:
* If a weir is placed in a waterway, and the waterway is not otherwise interrupted, water might be able to flow past the weir via the waterway itself. In order to obstruct the waterway, one of two options can be chosen:
** Define the [[weir angle]], in which case the {{software}} will automatically raise the DEM in the simulation based on the position, width and angle of the weir.
** Define the [[Weir_angle_(Water_Overlay)|weir angle]], in which case the {{software}} will automatically raise the DEM in the simulation based on the position, [[Weir_width_(Water_Overlay)|width]] and angle of the weir.
** Manually raise  the [[terrain height (Water Overlay)|terrain height]] using the terrain height tool or applying a terrain height geotiff.
** Manually raise  the [[terrain height (Water Overlay)|terrain height]] using the terrain height tool or applying a terrain height geotiff.


Revision as of 12:49, 1 November 2019

Benchmarks button.png
Introduction button.png
Water Module
Benchmarks button.png
Getting started button.png
Tutorials
Benchmarks button.png
Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
Benchmarks button.png
Benchmarks button.png
Benchmarks


Weirs are effectively small dams in the water, and allow water to flow from a water body with a higher water level to a lower water level. Any water exceeding the height of the weir can flow over it, increasing the throughput as the water level increases. Strictly, water can flow over the weir in either direction.

Waterwizard icon weir.png A weir is a line-based construction. Template:Overlay attribute

Notes

  • If a weir is placed in a waterway, and the waterway is not otherwise interrupted, water might be able to flow past the weir via the waterway itself. In order to obstruct the waterway, one of two options can be chosen:
    • Define the weir angle, in which case the Tygron Platform will automatically raise the DEM in the simulation based on the position, width and angle of the weir.
    • Manually raise the terrain height using the terrain height tool or applying a terrain height geotiff.

See also

Water Module
Benchmarks button.png
Introduction button.png
Water Module
Benchmarks button.png
Getting started button.png
Tutorials
Benchmarks button.png
Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
Benchmarks button.png
Benchmarks button.png
Benchmarks
Group
Inlet
Inlet q • Inlet area • Inlet capacity •  Lower threshold •  Upper threshold • Inlet underground
Pump
Pump q •  Lower threshold •  Upper threshold • Pump angle • Pump capacity • Pump area
Culvert
Culvert diameter • Culvert rectangular height • Culvert threshold • Culvert n
Weir
Weir height • Weir width • Weir angle • Weir coefficient • Weir target level
Sewer overflow
Sewer overflow • Sewer overflow speed
Drainage
Drainage q • Drainage datum • Drainage active • Drainage overflow threshold
Output
Object flow output • Object height output • Object datum output a • Object datum output b • Object width output
Related
Building attributes • Hydrological features •  Terrain attributes • Model attributes • Results • Simulation data
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