摘要
以行星和小岩屑動態系統來研究岩屑盤的分布密度。在本論文中，我們主要是探討β參數對Fomalhaut的岩屑盤動態系統的影響，β的值是指輻射壓力和萬有引力之間的比率。

Abstract
The planets and grains' dynamical models are employed to study the density distribution of debris disc. In this thesis, we investigate the effects of β, where β is the value of the ratio between the radiation pressure force and the gravitational force, to simulate the Fomalhaut's disc.

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