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The effect of entrained air in violent water wave impacts. (English) Zbl 0888.76077
The effects of entrained air in cushioning water impact on a wall are estimated by using a flow which has many similarities to the severe flip-through impacts that have been identified for water waves hitting a vertical wall. This is a filling flow which rapidly fills a confined region, such as a crack between blocks, or the space beneath a deck projecting from the coast. This work extends the study of filling flows to the case where the filling liquid is an air-water mixture, thus giving explicit results for the reduction of peak pressure due to the compressibility of entrained air.

76N10 Existence, uniqueness, and regularity theory for compressible fluids and gas dynamics
86A05 Hydrology, hydrography, oceanography
86A10 Meteorology and atmospheric physics
Full Text: DOI
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