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arXiv 0812.4718nlin.SI
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固定球面上的Chaobergin球:显式积分

Chaplygin ball over a fixed sphere: explicit integration

A. Borisov, Yu. Fedorov, I. Mamaev

摘要:

考虑一个非完整系统,描述了一个动力学非对称球在一个固定球上无滑动地滚动。该系统推广了经典的非完整Chaubergin球问题,并证明了对于一个特殊的球半径比,该系统是可积的。经过时间重新参数化的系统成为一个哈密尔顿和承认分离的变量和减少阿贝尔-雅可比求积。分离变量,我们发现似乎是一个非平凡的推广的椭球(球锥)坐标的泊松球,这可能是有用的,在其他可积问题。使用的求积,我们还执行一个明确的集成的问题,在新的时间θ函数。

英文摘要:

We consider a nonholonomic system describing a rolling of a dynamically non-symmetric sphere over a fixed sphere without slipping. The system generalizes the classical nonholonomic Chaplygin sphere problem and it is shown to be integrable for one special ratio of radii of the spheres. After a time reparameterization the system becomes a Hamiltonian one and admits a separation of variables and reduction to Abel--Jacobi quadratures. The separating variables that we found appear to be a non-trivial generalization of ellipsoidal (spheroconical) coordinates on the Poisson sphere, which can be useful in other integrable problems. Using the quadratures we also perform an explicit integration of the problem in theta-functions of the new time.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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