Using finite element analysis method, three-dimensional calculation is conducted for force summing on rod in high-inclination well of Liaohe tidal zone oilfield.
应用有限元法对辽河滩海油田大斜度定向井抽油杆柱受力进行了三维计算。
This paper gave the computer simulation of natural frequencies and vibrational modes of truck frames, based on the structural features of the frame, by finite element method of thin wall rod system.
本文根据汽车车架结构的特点，应用薄壁杆系有限单元法，对汽车车架的固有频率和主振型进行了计算。
The preliminary research showed that the material used of the piston rod is unqualified , casting aliquation and much S element result in cracking on the edge of the casting aliquation.
结果表明，断裂的原因是材质不合格，存在成分偏析，热处理工艺不符合规定以及硫元素含量偏高。
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