Modélisation d'un écoulement tourbillonnaire en régime permanent

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Abstract
The presence of a cove, either natural or artificial, along a main watercourse is often considered to be an ideal location for a small harbor. However, when the current in the main channel is relatively large, an eddy is generated inside the small bay, thus hindering its use as a harbor for ships. The use of mathematical modelling of this phenomenon to find a solution to the problem is rather difficult. Based on a case study, i.e. a small artificial bay along the Saguenay River at Chicoutimi, Québec, a methodology is presented and a model developed to give a good representation of this phenomenon. Key words: flow, finite elements, harbor, modelling, vortex.

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