采用动坐标系建立了曲柄销强度计算的力学模型。
A mechanical model for calculating the strength of the crank pin on pumping units is established by a rotary coordinate.
本文借助于运动坐标系用显式有限元算法求解烧蚀动边界的传热问题。
An explicit finite element method is presented in this paper to solve the heat transfer problem with ablation moving boundary in a moving coordinate system.
应用一种新的随动坐标系转换方法，给出用于转换生物组织中光子空间传输坐标的矩阵方程。
A new transformation method for follow-up coordinate system is used and a matrix equation for transforming spatial transporting coordinate of scattering photons is given.
平砧锻造是塑性大变形问题，本文采用随动坐标系跟踪流动质点，利用能量法分步计算质点位移增量、等效应变场等，然后叠加。
To improve the accuracy of large floating point number calculatation, an iterative approach of inverse transformation for Gauss projection with floating coordinate system is presented.
这一基于巧妙的坐标系选取和变换的算法，简洁明了地解决了虚拟平台和作动筒间复杂的协调运动问题。
The arithmetic based on clever coordinate choice and transform resolves the complex harmonious movement problem simply and directly.
这一基于巧妙的坐标系选取和变换的算法，简洁明了地解决了虚拟平台和作动筒间复杂的协调运动问题。
The arithmetic based on clever coordinate choice and transform resolves the complex harmonious movement problem simply and directly.
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