The sum of work of effect and reaction has nothing to do with the choice of criterion. With this conclusion, it is very easy to work out the sum of particle and work of internal force.
利用作用力做功和反作用力做功的代数和与参照系的选择无关这样的结论,计算质点组的内力作功之和将非常简捷方便。
The work summarized in this paper aims at improving the accuracy of rotor blade dynamics analysis, and that of its internal force calculation in particular, by the finite element method.
提高用有限元法进行桨叶动力分析、特别是动内力计算的精度是本文工作的主要目的。
The main purpose of the work described in this paper is to improve the accuracy of rotor blade dynamics analysis, especially, that of internal force calculation by the finite element method.
提高用有限无法进行桨叶动力分析、特别是内力计算的精度是本文工作的主要目的。
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