Towards a Better Simulation of Sea States for Modelling of Coastal Structures

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by E. P. D. Mansard, Natl Research Council of Canada, Canada,

Document Type: Proceeding Paper

Part of: Berm Breakwaters: Unconventional Rubble-Mound Breakwaters

Abstract: In the last fifteen years, techniques of wave generation have advanced to such an extent that it is now possible to exercise controls of parameters such as wave grouping, wave asymmetries, etc., during the simulation process. This paper describes some of the techniques that were developed at the National Research Council of Canada, to enable a better understanding of nature and its reproduction in model basins. Emphasis is given to the non-linearities associated with shallow water waves and the difficulties encountered in depth limited situations due to complex shoaling mechanisms. These findings have important consequences in the correct modeling of coastal structures and moored vessels in the nearshore zone.

Subject Headings: Wave shoaling | Wave generation | Structural models | Seas and oceans | Coastal environment | Simulation models | Hydraulic models | Computer models | Hydrologic models | Ocean waves | Wave groups | North America | Canada

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