所以研究已发生凹陷损伤的立管的极限强度和疲劳寿命有着十分重要的意义。
Those may cause serious disaster. Therefore, studying on ultimate strength and fatigue life of dented riser is of great significant.
本文采用有限元方法研究凹陷立管的极限强度和疲劳寿命。
In this paper, finite element method was used to study the ultimate strength and fatigue life of dented riser.
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