由于活塞与气缸的配合间隙对发动机的使用寿命影响极大,影响配合间隙的主要因素是活塞在工作状态下的变形,所以真实反映活塞变形情况十分重要,为此已广泛采用有限元法进行数值分析。

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问题 由于活塞与气缸的配合间隙对发动机的使用寿命影响极大,影响配合间隙的主要因素是活塞在工作状态下的变形,所以真实反映活塞变形情况十分重要,为此已广泛采用有限元法进行数值分析。

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答案As the joint gap between a piston and a cylinder affects the service life of an engine, and the primary factor influencing the joint gap is the deformation of the piston under working conditions, it is important to indicate the actual deformation of the piston and for this purpose the finite element method has been widely applied to analyzing it numerically.

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