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research article
Nonlinear Stability of Riemann Ellipsoids with Symmetric Configurations
Rodriguez-Olmos, Miguel
•
Sousa-Dias, M. Esmeralda
Using modern differential geometric methods, we study the relative equilibria for Dirichlet's model of a self-gravitating fluid mass having at least two equal axes. We show that the only relative equilibria of this type correspond to Riemann ellipsoids for which the angular velocity and vorticity are parallel to the same principal axis of the body configuration. The two solutions found are MacLaurin and transversal spheroids.
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332_2008_Article_9032.pdf
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