The rules regarding the propagation of irreversible phase boundaries along a finite rod are investigated with a phase transition constitutive model based on the simple mixture theory.

采用一种简单混合物相变本构模型，对不可逆相变材料有限杆中的宏观相边界传播规律进行了研究。

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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。

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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。

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