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arXiv 1807.00693nlin.CD
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具有非球基元的圆形Sitnikov三体问题的收敛域研究

Investigating the basins of convergence in the circular Sitnikov three-body problem with non-spherical primaries

Euaggelos E. Zotos, Md Sanam Suraj, Rajiv Aggarwal, Satyendra Kumar Satya

摘要:

在这项工作中,我们数值探讨牛顿-拉夫逊盆地的收敛,有关的平衡点,在Sitnikov三体问题与非球形的小学。根的位置的演变被确定,作为扁率系数的值的函数。利用经典的Newton-Raphson迭代法,给出了几种二维平面上的吸引域。我们进行了系统和彻底的调查,试图了解扁率系数如何影响的几何形状以及收敛区域的整体性能。收敛盆地也与所需的迭代次数和相应的概率分布有关。

英文摘要:

In this work we numerically explore the Newton-Raphson basins of convergence, related to the equilibrium points, in the Sitnikov three-body problem with non-spherical primaries. The evolution of the position of the roots is determined, as a function of the value of the oblateness coefficient. The attracting regions, on several types of two dimensional planes, are revealed by using the classical Newton-Raphson iterative method. We perform a systematic and thorough investigation in an attempt to understand how the oblateness coefficient affects the geometry as well as the overall properties of the convergence regions. The basins of convergence are also related with the required number of iterations and also with the corresponding probability distributions.

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