Principal curvature

The Position Vector Field of a Special Surface about Given Principal Curvature Function

给定主曲率函数的一类特殊曲面的位置向量场

A new approach for predicting fractures using principal curvature

裂缝预测主曲率法的新探索

Real hypersurface with constant principal curvature of pseudo complex space form

伪复空型的具有常主曲率的实超曲面

Research on the principal curvature of surfaces .

研究了曲面的多尺度主曲率的计算方法。

Maximum principal curvature of structural plane ;

构造面最大主曲率；

Rotational hypersurface about given principal curvature function in euclidean space

欧氏空间中给定主曲率函数的旋转超曲面

Mesh Smoothing Using Principal Curvature Flow

主曲率均匀的网格光顺

Complete Hypersurfaces in s ~ 4 ( 1 ) with two equal constant principal curvature

S~4（1）中具有两个相等的非零常数主曲率的完备超曲面

The fourth chapter , the last chapter , gives an introduction to rough results and ideas of algorithm of discrete principal curvature on mesh .

第四章是最后一章，介绍了作者在网格面上离散主曲率算法的初步研究结果及设想。

This paper uses principal curvature , plane stress and structure filtering to evaluate the development of fracture at geology shape , mechanical and signal handle facet .

本文应用主曲率分析技术、平面应力分析技术、构造滤波技术，从地质形态、力学角度、信号处理的角度给出了地质构造的裂缝发育评价。

Analyses of the principal curvature of the raceways are also accomplished . In addition , the modification of the raceway is put forward .

完成了对滚道曲率的分析，进一步提出了对滚道的修形；

At the same time , this paper uses Lagrange interpolation , principal curvature and structure filtering to analysis the geology structure , then evaluates the development of fracture .

本文运用拉格朗日插值、主曲率、曲面拟合、滤波等数学方法，对地质构造进行了定量的分析，最后对裂缝的发育做了评价。

Relative principal curvature of wormgears

蜗杆蜗轮的相对主曲率

Based on the principal curvature match , an improved tool - path planning method is presented so as to raise the work efficiency and ensure the quality of machined surface .

并提出一种基于主曲率匹配的等残留高度刀具路径规划改进算法，该方法能够提高加工效率，改善加工表面粗糙度。

The general equations of principal curvature derived from differential geometry overcame the limitations of previous equations derived from the theory of elastic thin plate with small deflection .

由微分几何学原理得到计算主曲率的一般公式，克服了由薄板小扰度弯曲理论得到的主曲率计算公式的局限性。

Based on the minimum principal curvature , a corner feature function at each vertex is evaluated , which accounts for the variance of minimum principal curvature within a local area .

为有效检测三角网格曲面上的角点特征，提出一种基于最小主曲率的角点检测算法。

After calculating the influential parameter about quality of gears contact such as relative principal curvature , relative velocity and so on , some special advantages of this gear transmission are found out .

通过计算相对主曲率、相对速度等影响齿面接触质量的参数，发现了这种齿轮副组合方式的一些独特优点。

In this note , by means of families of parallel surfaces , we obtain a necessary and sufficient condition for a smooth surface M in H 3 to be constant principal curvature .

借助平行曲面族的特征来刻划H3中的光滑曲面M，从而得到M是常主曲率的一个充要条件。

The analytic method is based on " Hertz contact theory ", and the principal curvature and its principal direction are known , then the contact stresses and deformations of the meshing points are obtained .

解析法以赫兹弹性接触力学为理论基础，计算面齿轮每个啮合点的主曲率和主方向，研究面齿轮两接触齿面在啮合点的接触变形和应力。

The differential equation governing the curvature of free surface of static liquid is deduced based on the Young-Laplace formula , the principal curvature function and the symmetry of the surface configuration simultaneously are employed .

给出一种重力作用下静止液体自由面的数值解方法。根据流体力学Young-Laplace公式和微分几何学主曲率方程，并利用液体自由面的对称性质，导出重力作用下静止液体自由面母线的常微分控制方程。

Application of affinity propagation clustering algorithm based on the principal curvature , the blade is divided into several surface clusters , then use C-Map model method to extract the boundary , generating and processing sub region . 4 .

叶片分块加工研究，应用基于主曲率的近邻传播聚类算法，将叶片划分成若干曲面簇，再利用C-Map模型方法提取边界，生成加工子区域。

To calculate the line of contact between roller and steel rod in a rolling mill and the principal radii of curvature at different points on the line of contact , mathematical model has been set up .

为轧辊机的辊子与圆钢的接触线以及在接触线上各点的主曲率半径等几何量的计算，建立了数学模型。

In this article , the principal factors affecting hole curvature are analysed , the principle of anti-deflecting packed hole assembly design is discussed .

本文分析了影响井眼曲率的主要因素，论述满眼防斜钻具组合设计的原则。

According to distribution patterns of the maximum principal curvatures changing from small to large , from negative to positive , this paper proposed a maximum principal curvature hill climbing method for the sulcal basins segmentation of the cortical surface .

针对大脑皮层表面最大主曲率从脑沟到脑回由小变大，由负变正的分布规律，提出了一种最大主曲率爬山法来对大脑皮层脑沟盆地进行分割。

The paper gives the position vector field of the rotational spacelike hypersurface in Lorentz-Minkowski space . After computing the principal curvatures and solving the differential equation system , it proves the existence of the rotational spacelike hypersurface about given principal curvature function in Lorentz-Minkowski space .

给出（n，1）型Lorentz-Minkowski空间中给定主曲率函数的旋转类空超曲面的位置向量场，通过计算超曲面的主曲率，证明了这类超曲面的存在性。