normal velocity vector

基本解释

Numerical techniques related to the calculation of normal vector, tangential velocity, curvature and contact line are explained in detail.
文中介绍了有关泡面法向矢量、切向速度、曲率和接触线等的计算技术。
According to the calculation theory, the tangent vector, the velocity and the normal vector on a given point of the circle of tool nose are coplanar.
根据此原理，摇盘回转时，刀尖圆上给定点的切线向量、绕摇盘回转的速度方向和法矢这三个向量共面。
In this paper, the algorithm in which normal vector of vertex is used to control simplifying error obtains good result on briefness, simplifying velocity and quality.
本论文中提出以顶点的法向变化情况来控制简化误差的算法在简单性、简化速率和简化质量方面均取得了较好的效果。