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Title of Article

ON A MECHANISM OF THE GLOBAL MOTION OF BODY’S POLES IN A FREE ANGULAR MOTION


Issue
4
Date
2013

Section
MECHANICS

Article type
scientific article
UDC
531.37
Pages
169-172
Keywords
stability, stationary rotation, anisotropy, plane of isotropy, inertia ellipsoid


Authors
Novikov Valeriy Vyacheslavovich
Nizhegorodskiy gosuniversitet im. N.I. Lobachevskogo

Grigoreva Lyubov Nikolaevna
Nizhegorodskiy gosuniversitet im. N.I. Lobachevskogo


Abstract
Free angular motions of a deformable elastic body with a small anisotropy of elastic properties and the quasispherical inertia tensor in its undeformed state are studied. It is shown that a decrease in the body's angular velocity can lead to a displacement of its stable stationary rotation axis. The results obtained allow one to propose a possible mechanism of the global movement of the Earth's poles.

File (in Russian)