本文讨论了物体在任意曲面上纯滚动的约束问题。
In this article, we have discussed the problem of restriction of a body's pure roll on arbitrary curved surface.
提出了一种四坐标联动等残留高度端铣加工任意曲面叶片的方法。
A flat-end cutter was used, its paths were generated based on the constant scallop height principle and machining strips were enlarged by adjusting inclinati.
首先尝试采用任意曲面椭圆方程，数值生成任意回转面上的叶栅c网格。
First attempts to apply elliptic equation of curved surfaces to generating C-type cascade grids.
理论上，小型开孔切割机器人能够在任意曲面上开任意形状的孔，管端切割机器人能完成任意形状的圆管端头的切割。
In theory, the small hole-cutting machine can cut arbitrary hole on arbitrary curved surface, and the tube-end incisory robot can incise round tubes' ends of any form.
电涡流线圈及其基底材料具有良好的柔顺性，可以测试任意曲面形状之间的间隙，适合安装在狭小的空间中进行测量。
The eddy-current coils and the substrate material have better flexibility so as to measure the clearance among curved faces of any form, and can be arranged in the narrow space for measurement.
利用三维边界拟合坐标变换技术，可将具有任意曲面边界的三维物理区域变成长方体计算区域，在该区域中形成单位立方体差分网格。
By means of BFCT, a three-dimensional physical space with arbitrary configuration can be transformed into standard cube, forming the unit cubic grid.
它可以是曲面上想要的任意长度的法向量。
It can be a normal vector of any length you want to the surfaces.
对于任意完全包含在圆环面上的曲面，这个曲线都不是它的边界。
See, this one also does not bound anything that's completely contained in the torus.
利用这一规律和作图方法，可以解决任意位置的非退变二阶曲面的投影轮廓线的作图问题。
By using the role and the drafting methods, projective contour line of a quadric at random position can be drawn.
该方法还可以应用到非均匀媒质任意凸曲面的爬行射线寻迹。
The method can be applied to trace the ray path on arbitrary convex surface with inhomogeneous media.
在此算法的基础上，利用数据结构的理论，实现了任意参数曲面的求交及拼合，并绘出了相应的三维视图。
On the above algorithm basis, according to theory of data structures, the intersection of any parametric surfaces is found and three-dimensional graphs are given.
该透镜由任意旋转曲面形阵列或介质材料构成。
The lens consists of an array with any curved surface of revolution, or of dielectric material.
考虑了任意理想曲面壳体制造偏差的影响，导出了非线性几何方程与平衡方程。
Considered the influence of manufacturing error and derived the non-linear geometric equation and equilibrium equation for arbitrary ideal carved surface shells.
只要算出任意斜截面的弦长，就可以很快地得到对应外形的坐标值，而无需求解复杂的曲面方程。
The coordinate value of corresponding profile may be obtained quickly so long as the length of the chord of arbitrary oblique section is computed, without solving the complex equation of the surface.
重要的是，本文集成了这些方案，自动重构了具有任意拓扑结构的NURBS曲面。
Most importantly, it brings together all these techniques in an effective procedure automatically reconstruct NURBS surfaces of arbitrary topological type.
对于任意拓扑曲面重建，曲面样条是一个比较好的选择。
Surface spline is a good alternative to reconstruction surface of arbitrary topology type.
可以证明，连接平滑曲面上任意两点的弹性细丝当拉紧时具有测地线的形状。
It is proved that geodesics can be produced by stretch elastic strings along a smooth surface.
首先给出能够表示任意多个自由曲面拓扑结构的描述，该模型可用于表示反求工程中的任意物体。
A simple topology model is presented to represent complex topology structure of free form surfaces to compose arbitrary object for reverse engineering.
提出了一种实现参数曲面上任意点选取的有效方法。
An effective method was brought forward to realize interactive selection of arbitrary point on parametric curved surface.
本文通过严密的数学推导，给出了可适用于任意三次曲面的快速拟合算法。
This paper, through tight mathematics inferring, gives thrice curved surface 'fast fit algorithm which is suited to arbitrarily thrice curved surface.
给出旋转曲面生成过程的动画程序，并导出了任一曲线绕任意轴旋转的坐标间几何变换公式。
The animation programs of the making revolution surface is compiled, and a general coordinate formula of geometric transformation is deduced about an arbitrary revolution curve around a rotation axis.
提出了显式方程和参数方程表示的曲面的一种绘制算法，该算法可以绘制任意复杂的方程曲面。
An algorithm which can draw any complex surfaces expressed by explicit equation or parametric equation was given.
介绍了一种在控制三角形网格上创建光滑样条曲面的算法，该控制网格能够刻画具有或没有边界的任意自由曲面。
The paper introduces an algorithm for creating smooth spline surfaces over control triangular meshes capable of outlining arbitrary free-form surfaces with or without boundary.
为了减小抛光加工的表面粗糙度和提高效率，构建抛光工具路径并均匀覆盖于三维曲面上，曲面的定义域为任意二维凸区域。
Polishing tool paths were constructed to evenly cover a 3-d free-form surface defined within a 2-d convex domain to reduce surface roughness and improve efficiency.
为了减小抛光加工的表面粗糙度和提高效率，构建抛光工具路径并均匀覆盖于三维曲面上，曲面的定义域为任意二维凸区域。
Polishing tool paths were constructed to evenly cover a 3-d free-form surface defined within a 2-d convex domain to reduce surface roughness and improve efficiency.
应用推荐