Permanent rotations of a body with a viscous filler suspended on a rod |
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| Authors: | AV Karapetyan TS Sumin |
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| Institution: | 1. Center for Vaccine Research, University of Pittsburgh, Pittsburgh, PA, USA;2. Department of Pathology, University of Pittsburgh, Pittsburgh, PA, USA;3. Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, PA, USA |
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| Abstract: | Problems of the existence, stability, and branching of the permanent rotations of a heavy, dynamically symmetrical rigid body suspended on a rod and which has an axisymmetric ellipsoidal cavity filled with a fluid are discussed. The phenomenological model of the friction of the fluid against the cavity wall proposed by Samsonov is used. All the trivial permanent rotations of the system and the non-trivial rotations that branch off from the trivial ones are found. Their stability and branching are investigated using a modified Routh's theory. The results obtained are presented in the form of an atlas of bifurcation diagrams. |
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