介绍了三维接触问题的变分原理，推导了接触问题有限元计算公式，讨论了边界接触模式和接触条件。
The variation principle of the 3-D contact problem is introduced, the related formulas based on the finite element method are derived, and the contact mode and condition of the boundary are discussed.
本文提出了一种基于迭代技术的边界元法求解三维无滑动摩擦型弹性接触问题。
A boundary element method based on an iterative technique for solving the three-dimensional elastic contact problem without sliding is presented.
本文首先应用三维弹性边界元方法对一鼓形齿联轴器的多齿接触问题进行了数值计算分析，然后在专用试验台架上作了相关实测研究。
The multitooth contact problem of the crown gear coupling is analysed by using 3 D BEM. Actual measurements on a specially designed test bed are made.
通过对三维数值模拟实施过程中几何建模、接触、网格自适应和重划分等关键技术问题的处理，顺利完成传统方案和改进方案的模拟。
To continue the numerical simulations of the conventional and improved schemes, some key technologies, including geometric model, contact, mesh adapting and remeshing, are solved.
在三维单元法、三维不连续变形分析法中，三维块体的接触判断是关键的问题之一。
Detection of contacts between 3d blocks is a key problem in 3d DDA (discontinuous deformation analysis) and DEM (discrete element method) analysis.
本文以边界元法作为应力分析工具，对三维弹性接触问题的形状优化问题进行了理论上的探讨，并对斜齿轮接触问题进行了实际分析。
This paper discusses the optimization problem of 3-D elastic contact objects in theory using BEM, and analyze the real contact problem of helical gears.
本文以边界元法作为应力分析工具，对三维弹性接触问题的形状优化问题进行了理论上的探讨，并对斜齿轮接触问题进行了实际分析。
This paper discusses the optimization problem of 3-D elastic contact objects in theory using BEM, and analyze the real contact problem of helical gears.
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