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- W2877152871 abstract "Abstract A two-dimensional steady problem of a potential free-surface flow of an ideal incompressible fluid caused by a singular sink is considered. The sink is placed at the horizontal bottom of the fluid layer. With the help of the Levi-Civita technique, the problem is rewritten as an operator equation in a Hilbert space. It is proved that there exists a unique solution of the problem provided that the Froude number is greater than some particular value. The free boundary corresponding to this solution is investigated. It has a cusp over the sink and decreases monotonically when going from infinity to the sink point. The free boundary is an analytic curve everywhere except for the cusp point. It is established that the inclination angle of the free boundary is less than π ∕ 2 everywhere except for the cusp point, where this angle is equal to π ∕ 2 . The asymptotics of the free boundary near the cusp point is investigated." @default.
- W2877152871 created "2018-07-19" @default.
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- W2877152871 date "2019-10-01" @default.
- W2877152871 modified "2023-10-01" @default.
- W2877152871 title "Steady free surface potential flow of an ideal fluid due to a singular sink on the flat bottom" @default.
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- W2877152871 doi "https://doi.org/10.1016/j.nonrwa.2019.02.009" @default.
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