On the use of STF-tensors in celestial mechanics

On the use of STF-tensors in celestial mechanics
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STF 张量在天体力学中的应用

DOI:
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发表时间:
1994
期刊:
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通讯作者:
Thomas Kioustelidis
Thomas Kioustelidis
中科院分区:
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文献类型:
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作者:
T. Hartmann;M. Soffel;Thomas Kioustelidis

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本文的目的是强调STF张量在天体力学中的有用性。利用STF-质量多极矩和笛卡尔坐标,导出了N个任意形状和组成的孤立系统的运动方程、相互作用势和潮汐势。使用简单的关系,STF张量和球谐函数,它是如何所有的笛卡尔公式可以很容易地转换成通常的球面表示。STF张量和球谐函数的一些计算方面进行了讨论。提供了STF张量的有用公式列表。
The purpose of this article is to emphasize the usefulness of STF-tensors in celestial mechanics. Using STF-mass multipole moments and Cartesian coordinates the derivations of equations of motion, the interaction- and tidal-potentials for an isolated system ofN arbitrarily shaped and composed, purely gravitationally interacting bodies are particularly simple. Using simple relations between STF-tensors and spherical harmonics it is shown how all Cartesian formulas can be converted easily into the usual spherical representations. Some computational aspects of STF-tensors and spherical harmonics are discussed. A list of useful formulas for STF-tensors is provided.