Geodesic
The motion of a~flat rigid disks bouncing off of a~smooth horizontal plane in the gravity field
Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki, no. 4 (2010), pp. 49-60

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We consider the motion of a flat rigig disks bouncing off a horizontal plane in the gravity field. The plane is assumed to be absolutely smooth and the impact absolutely elastic. The disks move in vertical plane and rotate around horizontal axis, while the disks are able to break off from the plane with following impacts and bounces. For different values of the energy, 2D projections of the disk's trajectories onto the phase plane are given. The stationary points are determined and their linear stability is studied in detail. It is shown, there are alternating domains of linear stability and instability in the first approximation in the plane parameters. The stability conditions are expressed analytically in terms of the parameters of the problem.
Keywords: flat rigid disc, elastic impact, linear stability, domains of linear stability.
Mots-clés : progections 
@article{VUU_2010_4_a5,
     author = {V. V. Vaskin and O. S. Naymushina},
     title = {The motion of a~flat rigid disks bouncing off of a~smooth horizontal plane in the gravity field},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {49--60},
     publisher = {mathdoc},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2010_4_a5/}
}
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V. V. Vaskin; O. S. Naymushina. The motion of a~flat rigid disks bouncing off of a~smooth horizontal plane in the gravity field. Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki, no. 4 (2010), pp. 49-60. http://geodesic.mathdoc.fr/item/VUU_2010_4_a5/