Journal
COMPTES RENDUS MECANIQUE
Volume 341, Issue 11-12, Pages 760-765Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crme.2013.10.001
Keywords
Liquid-filled cavity; Navier-Stokes equations; Angular momentum
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Funding
- NSF [DMS-1062381]
- Direct For Mathematical & Physical Scien
- Division Of Mathematical Sciences [1311983] Funding Source: National Science Foundation
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In this note we announce a number of analytical and numerical results related to the motion of a system S constituted by a rigid body with a cavity that is completely filled with a Navier-Stokes liquid, and that moves in absence of external forces (inertial motions). Our investigation shows, in particular, that the ultimate motion of S about its center of mass is a permanent rotation, thus proving a longstanding conjecture of N.Ye. Zhukovskii. We also present other interesting features of inertial motions that are emphasized by our numerical tests, but that still lack a rigorous mathematical proof. (C) 2013 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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