Note on Linear Hydroelastic Sloshing

The present paper deals with the general problem of hydroelastic sloshing of a liquid in a partially filled circular cylindrical container with either rigid walls and a flexible flat bottom or a rigid bottom and elastic walls. Free coupling oscillations of the tank-liquid system are investigated including the effect of surface tension. Forces and moments excerted on the walls by the liquid as well as the form of the free surface are determined. A procedure to investigate approximately the oscillations of the liquid under weak gravitation is outlined. Die vorliegende Arbeit befast sich mit dem allgemeinen hydroelastischen Problem des Treibstoffschwappens einer Flussigkeit in einem kreiszylindrischen Tank mit entweder starrer Wand und elastischem Boden oder starrem Boden und elastischer Wand. Die freien Koppelschwingungen des Systems Tank-Flussigkeit werden unter Berucksichtigung der Oberflachenspannung der Flussigkeit untersucht. Die von der Flussigkeit auf die Behalterwande ausgeubten Krafte und Momente sowie die Gestalt der freien Flussigkeitsoberflache werden allgemein berechnet. Ferner wird ein Losungsweg zur angenaherten Behandlung der Flussigkeitsschwingungen im einem schwachen Schwerefeld angedeutet.

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