The numerical simulation of liquid sloshing on board spacecraft

Details The numerical simulation of liquid sloshing on board spacecraft The numerical simulation of liquid sloshing on board spacecraft

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jcoph.224...82v&link_type=abstract

Journal of Computational Physics, Volume 224, Issue 1, p. 82-99.

Statistics

Computation

6

Computational Methods In Fluid Dynamics, Interfacial Flows, Newtonian Mechanics

Scientific paper

The subject of study is the influence of sloshing liquid on the dynamics of spacecraft. A combined theoretical and experimental approach has been followed. On the one hand, CFD simulations have been carried out to predict the combined liquid/solid body motion. Basically a volume-of-fluid (VOF) approach is followed, however with improvements in the treatment of the free liquid surface: these cover the surface reconstruction and displacement and the calculation of surface tension effects by means of a local height function. Also attention has been paid to the stability of the numerical coupling between solid-body dynamics and liquid dynamics. On the other hand, in-orbit experiments have been carried out with the Sloshsat FLEVO satellite. The paper describes a first comparison between theoretical predictions and experimental findings.

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