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Bed Friction in Combined Wave-Current Flows
The accurate prediction of shear stresses at the seabed forms an essential element in modelling of the coastal environment. Flows which induce bed friction generally include a mean component (from wind-induced currents or tides) and an oscillatory component (from waves), and this paper describes an investigation into seabed friction under such combined wave-current flow. In particular, it presents new laboratory measurements of the shear stress exerted by waves or wave-like flows on a rough boundary and how that oscillatory component is modified by the addition of a current. The effect of the waves on the current is reported, and the results compared with predictions from wave-current models, including some being developed as part of the present project.
Bed Friction in Combined Wave-Current Flows
The accurate prediction of shear stresses at the seabed forms an essential element in modelling of the coastal environment. Flows which induce bed friction generally include a mean component (from wind-induced currents or tides) and an oscillatory component (from waves), and this paper describes an investigation into seabed friction under such combined wave-current flow. In particular, it presents new laboratory measurements of the shear stress exerted by waves or wave-like flows on a rough boundary and how that oscillatory component is modified by the addition of a current. The effect of the waves on the current is reported, and the results compared with predictions from wave-current models, including some being developed as part of the present project.
Bed Friction in Combined Wave-Current Flows
Simons, Richard (author) / Myrhaug, Dag (author) / Thais, Laurent (author) / Chapalain, Georges (author) / Holmedal, Lars-Erik (author) / MacIver, Ruairi (author)
27th International Conference on Coastal Engineering (ICCE) ; 2000 ; Sydney, Australia
Coastal Engineering 2000 ; 216-226
2001-03-23
Conference paper
Electronic Resource
English
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