geometric modeling

the geometric modeling techniques and calculation of the points of intersection in cnc milling simulation field

数控铣削加工仿真中的几何建模与求交计算

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Research on Three-dimension Geometric Modeling of Diesel Engine Tangential Intake Port Design of Progressive Die with Side Notching and Horizontal Blanking for Drawing Part

柴油机切向进气道三维几何建模研究侧冲缺口-横向冲切落料拉伸级进模

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Discussion on the Precise Geometric Modeling Method of the Armored Ocean Cable

一种精确海缆铠装钢丝几何建模法探讨

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The paper also discusses the relative algorithm of 3D geometric modeling and provides the original shape system realized by the algorithm.

阐述了三维几何建模的有关算法，给出了算法实现的原型系统。

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A web-based collaborative CAD/ CAM system, C-Superman, has been developed by the Research Center of CAD/ CAM Engineering of Nanjing University of Aeronautics and Astronautics. The C-Superman system has the functions of collaborative geometric modeling, NC programming and so on.

南京航空航天大学CAD/CAM工程研究中心研究开发了基于Web的分布式协同CAD/CAM系统C-Superman，该系统已具备协同几何建模、数控加工等功能。

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research of geometric modeling characteristic and flow field distribution on deoiling hydrocyclones

脱油型水力旋流器结构建模及流场分布特征研究

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STUDY ON GEOMETRIC MODELING OF GEOLOGIC BODIES Thermal history retracement of geologic bodies

论地质体几何造型地质热历史的追溯与研究

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Recently, as more and more highly detailed geometric models are required in 3D geometric modeling and many graphics applications, the scale and complexity of the model data have dramatically increased.

近年来，三维几何造型所需表示的细节越来越丰富，模型的规模和复杂程度越来越高。

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NURBS may represent curves and surfaces accurately by uniform algebraic expression. Therefore, it is important to solve the problem of NURBS curves and surfaces subdivision for geometric modeling.

NURBS方法可以用统一的数学形式精确地表示二次曲线曲面，是定义工业产品几何形状的唯一数学描述方法，因此解决NURBS曲线曲面细分问题对几何造型有着重要的意义。

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Research on Tree Model Based on Three-dimensional Geometric Modeling Method

基于三维分枝模型的树木模拟算法研究及其实现

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Surface reconstruction from scatter points is an important part of computer geometric modeling and plays an essential role in computer graphics. It is of a great interest for many applications such as reverse engineering, medicine image processing, and virtual environments.

散乱点重建曲面是计算机几何造型技术中很重要的部分，也是计算机图形学研究的重要内容。它可以广泛地应用到逆向工业、医学影像处理、虚拟现实等技术中。

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In the three-dimensional modeling technology part, it introduces the vision modeling technology, including Geometric Modeling, Kinematic Modeling, Physical Modeling, Object Behavior Modeling and Model Segmentation and providing the method to import an outer three-dimensional model.

在三维建模技术部分介绍了视觉建模技术，包括几何建模、运动建模、物理建模、对象行为建模和模型分割技术并给出了外部三维模型的导入方法。

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Research on Top-Down Geometric Modeling in Computer Aided Industrial Design

自顶向下的计算机辅助工业设计几何建模研究

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Geometric modeling has broad applications in CAD, production design and long-distance exhibition medical etc.

几何建模在CAD 、 产品设计以及远程展示、医疗医学等领域有着广泛应用.

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Research on Key Issues in Network-Centric Geometric Modeling

网络化几何造型关键技术研究

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Firstly three-dimensional modeling could be carried out from geometric modeling, physical modeling, and computational modeling three steps, several typical models of each modeling methods were respectively discussed and analyzed.

分别讨论了这三种关键技术目前常用的算法，其中三维建模从几何建模、物理建模、计算建模三个步骤来进行，研究了每种建模方式的几种典型模型，并进行比较分析。

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Tensor product Bernstein polynomials are basic elements in geometric modeling.

在几何造型中，张量积Bernstein多项式具有非常重要的地位。

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A new algorithm on one-dimension Boolean operation in terms of geometric modeling

一种用于几何造型的一维布尔运算新算法

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Sketch-based Intelligent 3D Geometric Modeling System

基于手绘输入理解的智能3D几何建模系统

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intensively studied in the field of computer graphics, mesh deformation techniques are widely used in many applications such as geometric modeling, animation, virtual reality, film production and video games.

三维网格形变在几何造型、计算机动画、影视、游戏以及虚拟现实等领域有着广泛的应用，是图形学中非常重要的研究课题。

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Trimmed Surface in Geometric Modeling The topology and geometry of solid is represented by trimmed curve surface and half-edge data structure.

几何造型中的裁剪曲面雕塑实体模型通过裁剪曲面片和半边数据结构来表达几何和拓扑信息。

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A practical CAE system for autobody panel stamping forming simulation has been set up in this paper. It includes geometric modeling system for tools and blank, large-deformation elastic-plastic finite element analysis system for stamping forming, and post-process system for analysis results.

本文建立了车身覆盖件冲压成形CAE系统，其中包括模具和板材几何造型系统、冲压成形大变形弹塑性有限元分析系统以及分析结果后处理系统。

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a new method for fasting the unit cube-based geometric modeling and its orthographic views reconstruction

一种基于立方单元体的三维模型的构造及其三视图快速生成的方法

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Topological part is the key part of geometric modeling platform.

拓扑部分是几何造型平台的关键部分.

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