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| Zeit: | Freitag, 18.06.1999, 09:00 Uhr |
| Ort: | Reichenhainer Straße 70, B202 |
| Autoren: | I. Lukovsky, A. Timokhar (Kiew) |
| Thema: | Variational approach to some nonlinear sloshing problems |
| We construct variational formulations for a numerical-analytical approach to the problem on nonlinear fluid sloshing in a tank of finite depth. By asymptotic techniques we derive an approximate model describing nonlinear phenomena due to high-frequency exterior excitations. The finite-dimensional model is used to simulate diverse steady-state, transient surface waves etc. We introduce a so-called vibrocapillary equilibrium shape by means of a pseudo-potential extremal principle and analyze its stability. Some hints on the numerical simulations are given and will be compared with experimental results. | |
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