This paper introduces a method for calculating the contact point, contact normal and penetration depth in collision detection of irregular objects expressed by triangle mesh.
介绍了一种针对用三角形网面表示的不规则物体的碰撞检测中接触点，接触法线和刺穿深度的计算方法。
The method of triangle mesh translated to quadrangle mesh is that delete common side of two adjacent triangle mesh.
三角形网格转化为四边形网格的方法是将两个相邻的三角形网格的公共边删除，使之转化为一个四边形单元。
Dispersion modeling method based on triangle mesh is used to modeling the work-piece and the cutting tools.
以三角面片离散法为基础对刀具和毛坯进行了建模。
This paper presents a method to define the quadrangle in the triangle mesh and puts forward a new mesh simplification algorithm based on quadrangle collapse.
通过定义三角网格模型中的两个以公共边相连的三角形构成一个空间四边形，提出了一种新的基于这种空间四边形折叠的网格简化算法。
The main contents are as follows:A vertex curvature estimation method for triangle mesh is researched and the accuracy of curvature estimation is verified by parameter surfaces.
研究了三角网格模型上顶点曲率的估算方法，并用参数曲面的网格模型验证了曲率估算的精度。
Considering shortcomings of the rectangle-mesh method, a method is proposed for drawing automatically meteorological contours by using triangle-meshes.
针对矩形网格法的不足，提出了用三角形网格法实现气象场等值线自动分析方法。
Using the method of simulated shell, non-linear dynamic differential equation of three-dimensional single-layer shallow lattice shell with equilateral triangle mesh is established.
用拟壳法建立了正三角形网格的三向扁锥面单层网壳的非线性动力学微分方程。
By using the method simulated shells, the axisymmetrical non-linear dynamic equations of three-dimensional single-layer shallow conical lattice shells with equilateral triangle mesh are founded.
用拟壳法建立了正三角形网格三向扁锥面单层网壳的轴对称非线性动力学基本方程。
Aimed at the problem that original model data obtained by 3-d scanner are huge and can not be used in real application, a mesh simplify method based on triangle collapse is proposed.
针对三维扫描仪所获取的模型数据量庞大，无法直接使用扫描仪的问题，为压缩模型数据量，提出了一种基于三角形折叠网格模型化简方法。
Aimed at the problem that original model data obtained by 3-d scanner are huge and can not be used in real application, a mesh simplify method based on triangle collapse is proposed.
针对三维扫描仪所获取的模型数据量庞大，无法直接使用扫描仪的问题，为压缩模型数据量，提出了一种基于三角形折叠网格模型化简方法。
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