By using the method of small parameter expansions the present boundary-value problem is solved. Thus the formula in the second approximation for the stress field is obtained.
本文运用小参数展开法求解了这一大变形问题，获得应力场的二级近似公式。
The method of small parameter and setting up model of dumbbells are used to calculate the gravitational radiation of Double Satellite, and the expression of quadrupole radiation power is obtained.
采用小参数展开法和哑铃型模型法计算双星的引力辐射，并导出熟知的四极引力辐射功率表达式，数值计算所得的结果与天文观测的两级相自洽，且比其它的计算方法简便。
The method of small parameter and setting up model of dumbbells are used to calculate the gravitational radiation of Double Satellite, and the expression of quadrupole radiation power is obtained.
采用小参数展开法和哑铃型模型法计算双星的引力辐射，并导出熟知的四极引力辐射功率表达式，数值计算所得的结果与天文观测的两级相自洽，且比其它的计算方法简便。
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