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The equivalent uniform current in wave-current computations
AbstractThe paper introduces the concept of the “equivalent uniform current” in wave-current computations. This current is defined as the uniform current which produces the same wavelength as the actual depth-varying current for a particular observed wave period, wave height and water depth. It is shown that the equivalent uniform current may be determined by averaging the actual current velocities over a depth ϵL from the water surface, where L is the wavelength and ϵ is a factor dependent mainly on the relative water depth (the water depth divided by the wavelength). A simple expression for estimating the value of ϵ is provided.
The equivalent uniform current in wave-current computations
AbstractThe paper introduces the concept of the “equivalent uniform current” in wave-current computations. This current is defined as the uniform current which produces the same wavelength as the actual depth-varying current for a particular observed wave period, wave height and water depth. It is shown that the equivalent uniform current may be determined by averaging the actual current velocities over a depth ϵL from the water surface, where L is the wavelength and ϵ is a factor dependent mainly on the relative water depth (the water depth divided by the wavelength). A simple expression for estimating the value of ϵ is provided.
The equivalent uniform current in wave-current computations
Hedges, T.S. (author) / Lee, B.W. (author)
Coastal Engineering ; 16 ; 301-311
1991-06-03
11 pages
Article (Journal)
Electronic Resource
English
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