Abstract
The indeterminancy of the problem of stratified fluid flow over a barrier and related problems has in the past been solved either by introducing small friction forces or by solving the problem from an initial state and letting the time tend to infinity. Here the connection between these two approaches are considered, and they are shown to be equivalent.
Zusammenfassung
Das Problem der Unbestimmtheit der Strömung eines geschichteten Fluids über ein Hindernis und verwandte Fragen sind bisher entweder durch die Einführung von kleinen Reibungskräften gelöst worden, oder durch Lösung des zeitabhängigen Problems von einem Anfangszustand bis zum stationären Endzustand. Hier wird der Zusammenhang zwischen den beiden Methoden betrachtet, und es wird gezeigt, dass sie äquivalent sind.
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Engevik, L. On the indeterminancy of the problem of stratified fluid flow over a barrier and related problems. Journal of Applied Mathematics and Physics (ZAMP) 26, 831–834 (1975). https://doi.org/10.1007/BF01596084
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DOI: https://doi.org/10.1007/BF01596084