The finite element equation is formulated with moving coordinate system in order to solve a typical problem.
为了解决烧蚀移动边界问题，采用了在动坐标系上建立有限元素方程。
Using the iterative solution technique, the matrix equation system in the 3-d finite element modeling of nondestructive probe signals can easily be solved.
而应用迭代解技术，可以加速无损探头信号有限元模拟的矩阵方程求解。
In this paper, based on the dynamical equation of magnetic bearing-rotor system, the critical speeds of the rotor for a high speed machine by means of finite element method (FEM) are calculated.
在本文中，根据磁轴承-转子系统的动力学方程，为高速机的转子临界转速的有限元法(FEM)的方式计算出来的。
Based on dynamic equation of multi-freedom linear system, model analysis and dynamic modification for rotary compressor QX-222 are carried out by finite element method.
本文从多自由度线性系统运动方程出发，利用有限元方法，对滚动转子式制冷压缩机QX- 222型进行了模态分析和动力修改。
Based on dynamic equation of multi-freedom linear system, model analysis and dynamic modification for rotary compressor QX-222 are carried out by finite element method.
本文从多自由度线性系统运动方程出发，利用有限元方法，对滚动转子式制冷压缩机QX- 222型进行了模态分析和动力修改。
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