1) cylindrical clipping
圆柱面裁剪
1.
An efficient cylindrical clipping algorithm is presented to rapidly drill holes in polyhedrons,which are made up of convex polygons.
提出一种高效的对凸多边形组成的多面体进行圆柱面裁剪的算法,并实现了多面体的快速钻孔。
2) cylindrical face shear method
圆柱面剪切法
1.
Considering the characteristic of medium length and small angle of the pedestal uplift piles in Shanghai area,based on full-scale field test and engineering practice and combined with calculation principal of theoretical method,this paper suggests two calculation methods of the withdrawal resistance of pedestal uplift piles: cylindrical face shear method and amplification factor method.
基于现场足尺试验与工程实践,提出了适合该桩型抗拔承载力计算的两种方法:圆柱面剪切法和扩大系数法。
3) circular cutting
圆形裁剪
4) flat cutting
平面裁剪
1.
This article analysis and compare the characteristic, cutting process between solid cutting and flat cutting, explained two methods from its own system, each has its strong points also cannot substitute.
本文从分析比较立体裁剪与平面裁剪两种服装结构设计方法的特点及裁剪过程入手,说明两种方法自成体系,各有所长且不能被取代。
5) surface trimming
曲面裁剪
1.
Scan line algorithm for NURBS surface trimming;
用于非均匀有理B样条曲面裁剪的扫描线算法
2.
This paper discusses the algorithm and implementation of the advanced surface design functions in BSURF-GI (an interactive 3D surface modelling system), presents a method which can do surface trimming along with the suface / surface intersection curves and filleting surface boundaries, and also points out the system further research direction and the way of integration with solid modelling system.
提出了一种能沿曲面与曲面交线和过渡曲面边界线进行曲面裁剪的算法,指出了该系统今后进一步研究的方向及与实体造型系统集成的途径。
3.
In CAD/CAM engineering,surface trimming is one of the most important and complex problems and quadrangular meshes are widely employed.
曲面裁剪运算是CAD/CAM领域最重要、最复杂的问题之一,四边形网格在工程CAD/CAM的实际应用中较为广泛。
6) trimmed surface
裁剪曲面
1.
Algorithm of trimmed surface triangulation of prepositive disposal in predicting RCS of aircraft;
飞行器RCS计算前置处理中裁剪曲面剖分算法
2.
Here the tool surface is represented by the analytical surface,the trimmed surface is approximated with the triangular patches, and the problem of interfer-ence avoidance is solved by transforming them to the test of relations between tool surface andtriangular patches.
在分析国内外三坐标数控加工刀具轨迹干涉检查和消除算法的基础上,提出了一种适合于球头刀、平底刀和圆角刀的刀具轨迹干涉检查和消除的算法,该算法将刀具看成解析曲面,裁剪曲面由三角片逼近表示,将刀具轨迹干涉检查与消除的问题转化为刀具曲面与三角片的相关性测试。
3.
That is referred to how a model represented by many trimmed surfaces is transferred to a watertight model.
曲面缝合是曲面造型过程中常用到的处理技术,即把由多张裁剪曲面表示的模型转换成一个"不漏水"的模型。
补充资料:椭圆柱面
椭圆柱面
elliptic cylinder
椭圃柱面[困川允勺肖回甘;,几几。uT.,ee盆.益明.月皿职pl 以一个椭回(e】】i卿)为准线的二次柱面(见二次柱面(s也faCe ofthe歇戈ondo获kr)).如果这个椭圆是实的,则称为实椭圆柱面,其方程具有下列形式: 兰二止二;. 矿’护如果这个椭圆是虚的,则称为虚椭圆柱面(仙a剔阻巧eiliptic eylinder),其方程具有下列形式: xZ .yZ 二一.十共二-二一1. aZ’b2 A.E、M班川。B撰张鸿林译
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条