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arXiv 1012.5019nlin.SImath.DS
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Kowalevski陀螺体在双重力场中周期运动的存在条件

The existence conditions for periodic motions of the Kowalevski gyrostat in double force field

Irina I. Kharlamova, Gleb E. Smirnov

摘要:

考虑具有Kowalevski型惯性张量的陀螺体在双重力场中运动的可积问题。本文研究了M.P.Kharlamov(Mekh.特维德Tela,No 37,2007)。可能的转换内的设置这样的运动取决于三个基本参数进行了研究。得到了分离集及其奇点的解析方程,指出了不同运动集的区域。我们发现的图像中的参数定义的分歧图的空间中的分离集的等能水平。最复杂的计算是在计算机系统Mathematica 7的帮助下完成的。

英文摘要:

Consider the integrable problem of motion of a gyrostat with the Kowalevski type inertia tensor in a double force field. We study the special periodic motions (the rank 1 critical points of the integral mapping) found by M.P. Kharlamov (Mekh. Tverd. Tela, No 37, 2007). Possible transformations inside the set of such motions depending on three essential parameters are studied. We obtain the analytical equations of the separating set and its singularities, point out the regions with different sets of motions. We find the image of the separating set in the space of parameters defining the bifurcation diagrams on iso-energetic levels. The most complicated calculations are fulfilled with the help of the computer system Mathematica 7.

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