Fatigue strength analyses, prediction of fatigue life and assessment about fatigue behaviors have important engineering background and particular theoretic value.
疲劳强度分析、疲劳寿命预报和疲劳行为的评估具有重要的工程背景和理论研究价值。
Full-scale fatigue test of drill pipe and borehole tests of drill pipes containing defects prove the reliability of assessment methods and software posed in this paper.
通过钻杆全尺寸疲劳试验和含有缺陷钻杆的井下试验，证明了本文提出的评价方法和软件是可靠的。
By importing results from the global model, some sub-models with very fine mesh are created to do fatigue assessment of structure details.
利用整体舱段的粗网格模型计算结果，建立子模型划分精细网格进行结构细部疲劳评估。
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