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Updated: Jul 13, 2026
08:54
Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing
Published on: February 13, 2018
Wind Generated Rogue Waves in an Annular Wave Flume.
A Toffoli1, D Proment2, H Salman2
1Department of Infrastructure Engineering, The University of Melbourne, Parkville VIC 3010, Australia.
Physical Review Letters
|April 22, 2017
Summary
Wind-driven waves in a unique annular flume experiment show that rogue waves and heavy-tail statistics naturally form before wave height stabilizes. This study offers new insights into rogue wave formation in natural ocean environments.
Area of Science:
- Fluid dynamics
- Oceanography
- Statistical physics
Background:
- Rogue waves are extreme, unpredictable ocean surface waves.
- Previous studies often used mechanical wave generation, not natural wind forcing.
- Understanding rogue wave formation is crucial for maritime safety and coastal engineering.
Purpose of the Study:
- To experimentally investigate the statistical properties of wind-generated waves.
- To study the spontaneous formation of rogue waves under natural wind forcing.
- To explore wave statistics in an annular flume with unlimited fetch conditions.
Main Methods:
- Utilizing an annular flume to create circularly propagating waves.
- Employing wind as the natural forcing mechanism for wave generation.
- Analyzing the temporal evolution of surface elevation statistics.
Main Results:
- Rogue waves and heavy-tail statistics were observed to develop naturally.
- These phenomena occurred during the wave growth phase, prior to reaching a stationary state.
- The annular geometry facilitated unlimited fetch conditions for wave propagation.
Conclusions:
- Wind-driven wave fields can spontaneously generate rogue waves and heavy-tail statistics.
- The findings provide a more realistic model for rogue wave formation compared to mechanically generated waves.
- This research enhances our understanding of extreme wave events in natural marine environments.
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