Authors: Dragović, Vladimir 
Gajić, Borislav 
Jovanović, Božidar 
Affiliations: Mathematical Institute of the Serbian Academy of Sciences and Arts 
Title: Demchenko’s nonholonomic case of a gyroscopic ball rolling without sliding over a sphere after his 1923 Belgrade doctoral thesis
Journal: Theoretical and Applied Mechanics
Volume: 47
Issue: 2
First page: 257
Last page: 287
Issue Date: 1-Jan-2020
Rank: M24
ISSN: 1450-5584
DOI: 10.2298/TAM201106015D
We present an integrable nonholonomic case of rolling without sliding of a gyroscopic ball over a sphere. This case was introduced and studied in detail by Vasilije Demchenko in his 1923 doctoral dissertation defended at the University of Belgrade, with Anton Bilimovi´c as the advisor. These results are absolutely unknown to modern researchers. The study is based on the C. Neumann coordinates and the Voronec principle. By using the involved technique of elliptic functions, a detailed study of motion is performed. Several special classes of trajectories are distinguished, including regular and pseudo-regular precessions. The so-called remarkable trajectories, introduced by Paul Painlev´e and Anton Bilimovi´c, are described in the present case. The historical context of the results as well as their place in contemporary mechanics are outlined.
Keywords: C. Neumann coordinates | elliptic functions | elliptic integrals | nonholonimic dynamics | regular and pseudo-regular precessions | remarkable trajectories | rolling without sliding | Voronec principle; Mathematics - Dynamical Systems; Mathematics - Dynamical Systems; Mathematical Physics; Mathematics - Algebraic Geometry; Mathematics - History and Overview; Mathematics - Mathematical Physics; Nonlinear Sciences - Exactly Solvable and Integrable Systems; 37J60, 70F25, 33E05, 53Z05, 01A60, 01A72
Publisher: Mathematical Institute of the SASA

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