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ЖУРНАЛЫ // Russian Journal of Nonlinear Dynamics // Архив

Rus. J. Nonlin. Dyn., 2023, том 19, номер 2, страницы 249–264 (Mi nd851)

Эта публикация цитируется в 2 статьях

Mathematical problems of nonlinearity

On a Class of Precessions of a Rigid Body with a Fixed Point under the Action of Forces of Three Homogeneous Force Fields

G. V. Gorr

Steklov Mathematical Institute of Russian Academy of Science, ul. Gubkina 8, Moscow, 119991 Russia

Аннотация: This paper is concerned with a special class of precessions of a rigid body having a fixed point in a force field which is a superposition of three homogeneous force fields. It is assumed that the velocity of proper rotation of the body is twice as large as its velocity of precession. The conditions for the existence of the precessions under study are written in the form of a system of algebraic equations for the parameters of the problem. Its solvability is proved for a dynamically symmetric body. It is proved that, if the ellipsoid of inertia of the body is a sphere, then the nutation angle is equal to $\arccos \frac{1}{3}$. The resulting solution of the equations of motion of the body is represented as elliptic Jacobi functions.

Ключевые слова: three homogeneous force fields, precessions, dynamically symmetric bodies, elliptic functions.

MSC: 70E05, 70E17, 70E55

Поступила в редакцию: 20.05.2023
Принята в печать: 22.06.2023

Язык публикации: английский

DOI: 10.20537/nd230604



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