Based on fracture mechanics and finite element theory, calculation and analysis stress intensity factor of fiber asphalt chip seal under different conditions.
基于断裂力学和有限元原理，计算分析了纤维沥青碎石封层路面结构在不同条件下的应力强度因子。
Having completed calculation of top drive counter-torque and mast mechanics analysis, an upgrading proposal has been put forward.
完成了安装顶驱后反扭矩的计算和井架力学分析，并提出了井架结构的改造方案。
The mechanics calculation and analysis are conducted to the original design and improvement plans with finite element software.
用有限元软件分别对原设计和改进方案进行了力学计算和分析。
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