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Fish Passage Design

The ability of dams to affect the ecology of a river and to prevent the movement of migrating fish is a concern around the world. FLOW-3D is frequently used to improve existing fish passage designs and to develop novel approaches based on the physiological characteristics of different fish species.

Fishway analysis by Tecsult using FLOW-3D
A fishway on the Eastmain river. Image courtesy of Tecsult.

FLOW-3D is also used to design aeration systems to increase concentrations of dissolved oxygen in impounded waters and to provide the basis for the development of a new generation of geographical information systems to assess environmental impacts.

Related links:

Fishway Validation

Turbulent Structures as Success Criterion for Fish Passages

Simulating Cross-Bar Block Ramps with FLOW-3D

Sturgeon Successfully Navigate Fish Ladder
CFD Saves the Alewife: Computer simulation helps the alewife return to its Mt. Desert Island spawning ground

 

Fish Passages and Environmental Studies