In the static strength analysis of helicopter blade, the traditional analysis method may lead to the uncertainty of the strength conclusion due to the inaccuracy of load calculation.
在直升机桨叶的静强度分析中，传统的分析方法可能会由于载荷计算的不准确，给强度结论带来不确定性。
The stress concentration analysis was done by the finite element method and boundary element method. The fatigue strength and the strength under the static load were calculated.
对螺纹槽管进行了疲劳强度计算，并采用边界元和有限元法对螺纹槽管的应力集中进行了数值分析及静载强度计算。
On this basis, the static load the contact stress of gear engagement fe analysis, and traditional gear strength calculation method to compare.
在此基础上，对静载荷作用下齿轮啮合对的接触应力进行有限元分析，与传统的齿轮强度计算办法作比较。
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