本文首先介绍了非结构化三角形网格剖分技术。
To begin with, the paper introduces the unstructured triangular mesh generation technique.
散乱点的三角网格剖分是反求工程中首要环节。
Triangulation of scattered points is the first important section during the reverse engineering.
本文主要针对二维区域的三角形网格剖分方法进行了研究。
The thesis carried through study on triangle grid mesh in two-dimensional region.
重点研究了BE M中三角网格剖分方法，提出了过约束点的剖分算法。
BEM triangulation mesh generation method was mainly investigated and further proposed a mesh generation algorithm through restriction points.
在此基础上，利用多重映射网格，实现了复杂构造岩体六面体网格剖分；
Accordingly, a technique for automatic hexahedron mesh of rock-mass with complex structure was realized using multiply mapping mesh.
地下洞室有限元计算的网格剖分是影响整个计算工作进度和质量的重要因素。
The mesh dissection of finite element calculation of underground cavern is an important factor of affecting the whole calculation progress and quality.
经过详细分析，证明了在此种三角网格剖分下h 1范数的收敛阶数仍是最优的。
After some detailed analysis, the optimal order convergence in H1-norm is obtained under this type of triangulation.
我们将既满足边界几何约束又满足边界拓扑约束的网格剖分称为边界一致网格剖分。
Boundary conformity mesh generation must satisfy not only the boundary geometric constraint but also boundary topology constraint.
基于网格剖分的思想，提出了一种基于正方形网格剖分的无线传感器方向性路由算法。
Based on the idea of square grid partition, a directional algorithm of wireless sensor is put forward.
针对岩土工程结构问题，还提出了网格剖分中尖灭不连续面和锚杆及锚索的处理方案。
A scheme to treat discontinuities and bolts as well as anchors has been put forward for the geotechnical engineering structures, too.
本系统分为几大模块：数据采集、网格剖分、数据处理、积水量计算、数据图像显示。
This system divides into several big modules: The data acquisition, the grid cut in half, the data processing, the ponding quantity computation, the data image display.
在混凝土重力坝有限元应力分析中，坝踵和坝趾的应力随网格剖分尺寸的减小而急剧增大。
Based on the dam heel and toes stress calculated by FEM changes very much as the mesh size reduces.
这种方法不同于有限元计算的网格剖分，具有网格单元与曲面曲率无关和剖分速度快等特点。
It possesses the characteristic that the shapes of mesh cells have nothing to do with the curvature of surfaces and can realize triangulation of fair meshes with specified edge lengths at high speed.
模块适用于MAPGIS环境下地下水计算中各种网格剖分结点插值数据的自动生成与可视化。
The module can be suitable to the automatic formation and visibility of the interpolation data at each mesh cross section point in underground water calculation with MAPGIS environment.
针对有限元前置处理中二维复杂域四边形网格自动剖分问题，对四叉树网格剖分算法进行了研究。
The arithmetic of quadtree mesh generation was studied in order to solve the problem of the finite element automatic quadrilateral mesh generation for a two dimensional complex region.
第五章对三维有限元网格的生成方法进行了介绍，并指出三维有限元网格剖分的发展趋势和方向。
The fifth chapter introduces some three-dimensional FEM mesh generation methods, and points out the trend of them.
在第二章则主要介绍了一种新的网格剖分方法——铺砌法的基本思想，并针对其不足作了一些改进。
The Second Chapter mainly introduces the basic concept of the paving method, a new mesh generation method, and makes some improvement aim at the defect of the method.
利用数学归纳法证明算法对任意多个离散点三角形网格剖分的正确性，并通过试验验证了算法的可行性。
The mathematical induction is used to prove the correctness of the algorithm towards the triangle mesh of random multi-points, and the experiment proves its feasibility.
本文利用声波方程，对阶梯状地表数据进行样条插值处理，得到了与起伏地表比较吻合的四边形网格剖分。
Using acoustic equation, the paper conducts spline interpolation for step surface data and results in quadrilateral grid partition coincident with relief surface.
本文讨论了有关有限元法在大地电磁测深二维正演中的应用问题，论述了现有文献中采用的网格剖分方案。
The application of finite element method to 2-d forward solution of magnetotelluric sounding is discussed, and the mesh dissection scheme adopted in present literatures is reviewed in this paper.
在传统的三角形网格生成和剖分算法基础上，提出了适合服装衣片三角形网格划分的凹多边形网格剖分算法。
Based on the traditional methods of generating triangular meshes, this paper presents and algorithm for generating polygons suitable for garment simulation.
本文在充分理解球面空间网格剖分的基础之上，研究并实现了球面网格的分布式并行处理方法和技术实现原理。
In this paper, fully understand the spherical mesh generation based on the study and implementation of the spherical mesh, distributed parallel processing methods and technology principles.
采用坐标变换方法，将物理平面中任意几何区域上的非均匀网格剖分映射到计算平面中规则区域上的均匀网格剖分。
In this paper, an one to one maping is used to transfer an arbitrary domain and a nonuniform grid on it in physical plane to a rectangular domain with a uniform grid in computational plane.
传统逆向工程要经过曲面拟合、等距、裁剪或三角网格剖分建立其曲面模型，进而才能在曲面模型上生成数控加工刀位。
For the traditional reverse engineering, the tool-path is generated based on the surface fitting, surface offset and triangulation to construct the surface model.
本文算法首先对立体图像对中的左图像进行DT网格剖分，把各三角形的顶点作为“特征点”在右图像中寻找它们的匹配点。
The algorithm first describes the left image with DT mesh. As feature points, the vertexes of triangulations are matched in the right image for finding their corresponding points.
通过应用MATLAB语言，对混凝土材料进行数值模拟，并对混凝土试件进行自动网格剖分，所编程序简单紧凑，具有很强的实用性。
The specimens of concrete are simulated and meshed automatically by using MATLAB. The procedure for simulation is simple and tight, which is of great practicality.
本文从三维编织复合材料的细观单胞模型出发，将结构单胞作为离散单元对三维编织复合材料进行宏观网格剖分，建立了细观单胞元刚度矩阵的求解方法。
Based on the unit-cell model of 3-d braided composites, the composite structure is meshed by the unit cells, then the stiffness of the cell-element is formulated.
在生成三维随机球形骨料模型的基础上，研究了形成随机凸多面体骨料模型的方法，并利用FORTRAN语言编制凸多面体骨料生成程序和细观有限元网格剖分程序。
FORTRAN program to generate random convex polyhedron aggregate based on the topology of spherical aggregates and the codes of the mesoscale structured finite element grids of concrete is developed.
建立了散乱点云数据之间的拓扑信息，对点云数据进行三角剖分重构网格曲面模型。
After establishing the topology relationship of scattered points, the mesh surface model of point data is reconstructed by triangulation.
本文的目的是研制一种能够将无缝地质模型剖分成包含尽可能多的六面体单元的混合体元计算网格的剖分方法。
The main purpose of this thesis is to develop a mixed-element mesh generation methodology based on the sealed geological modeling.
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