首页> 外文会议>International Workshop on Computer Algebra in Scientific Computing(CASC 2005); 20050912-16; Kalamata(GR) >Symbolic Calculations in Studying the Stability of Dynamically Symmetric Satellite Motion
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Symbolic Calculations in Studying the Stability of Dynamically Symmetric Satellite Motion

机译:研究动态对称卫星运动稳定性的符号计算

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The stability of cylindrical precession of the dynamically symmetric satellite in the Newtonian gravitational field is studied. We consider the case when a center of mass of the satellite moves in an elliptic orbit, while the satellite rotates uniformly about the axis of its dynamical symmetry that is perpendicular to the orbit plane. In the case of the resonance 3 : 2 (Mercury type resonance) we have found the domains of instability of cylindrical precession of the satellite in the Liapunov sense and domains of its linear stability in the parameter space. Using the infinite determinant method we have calculated analytically the boundaries of the domains of instability as power series in the eccentricity of the orbit. All the calculations have been done with the computer algebra system Mathematica.
机译:研究了动态对称卫星在牛顿引力场中圆柱进动的稳定性。我们考虑这样一种情况:卫星的质心在椭圆形轨道中移动,而卫星绕其垂直于轨道平面的动态对称轴均匀地旋转。在共振3:2(水星型共振)的情况下,我们发现了Liapunov意义上卫星圆柱进动的不稳定性域和参数空间中线性稳定性的域。使用无限行列式方法,我们以轨道偏心率作为幂级数来分析计算不稳定区域的边界。所有计算均使用计算机代数系统Mathematica完成。

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