coding of topological entities in feature based parametric modeling system

1、

parametric modeling methods of products design in cad

产品在CAD中的参数化建模方法

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2、

feature based parametric modeling technique and application for the composite flywheel in dynamic design

基于特征的复合材料飞轮参数化建模及其在模态分析中的应用

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3、

the basic method of parametric modeling for soil pressure balance boring shield

土压平衡盾构机参数化建模的基本方法

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4、

the parametric modeling of gears is also given as an example;

文中以齿轮为例，介绍了其结构模型的参数化建立方法；

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5、

secondary development of train systems parametric modeling based on adams

基于ADAMS的列车系统参数化建模的二次开发研究

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6、

optimal design and parametric modeling on jet pumps in oil field

采油射流泵结构优化及参数化造型设计

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7、

optimization design of an agricultural vehicle frame based on ansys parametric modeling

基于ANSYS参数化建模的农用车车架优化设计

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8、

research on parametric modeling and modal analysis for frame structure of car body

概念车身框架结构参数化建模及模态分析研究

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9、

study on three dimensional parametric modeling system for pump blades

基于参数化的水泵叶轮叶片三维造型系统的研究

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10、

research on parametric modeling in reverse engineering based on features and constraints

基于特征与约束的反求工程参数化建模体系及关键技术研究

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11、

parametric modeling and application of the combined structure of diesel

柴油机组合结构的参数化建模及应用

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12、

virtual terrain and data organization in parametric modeling system of bridge

桥梁参数化建模系统的虚拟地形及数据组织

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13、

research and development of parametric modeling system based on variational geometry

基于变分几何的参数化造型系统的研究与开发

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14、

in the dissertation, two main means of reverse modeling, parametric modeling and non-parametric modeling, are introduced and analyzed fully.

本文对逆向建模的两种主要方法，逆向参数建模和逆向非参数建模分别进行了详细的介绍和分析。

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15、

the advanced development of three-dimensional parametric modeling of hydro-pneumatic suspension based on pro/ e

基于Pro/E的油气悬架三维参数建模的二次开发

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16、

to meet the requirements for 3d viscous flow computational softwares in compressor design, a fast full 3d viscous numerical method for the computation of overall aerodynamic performance in multi-stages axial-flow compressor was introduced. effective wall functions were employed to reduce the overall computational effort.

为满足压气机工程设计对三维粘性流体力学计算软件的要求，本文发展了一种多叶片排轴流式压气机全工况气动性能快速三维粘性流场计算方法。

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17、

one of the challenges of developing a computational theory of the design process is to support learning by the use of computational mechanisms that allow for the generation, accumulation and transformation of design knowledge learned from design experts, or design examples.

设计中开发计算理论的一个挑战是必须能支持计算机制的有效运用，这一机制允许从设计专家那儿或设计样例中取得产生，累加和转换的设计知识。

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18、

the intention of establishing assistant metalwork partition function is to have computer to finish the computational work in partition design so that the designers may concentrate on the innovative work in nc machine tools' form design.

构建辅助分块设计功能模块旨在让计算机完成分块设计中因工艺性因素和工业设计因素而需要进行计算的工作，使设计人员可以集中精力进行数控机床造型设计中的创意工作。

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19、

in this paper, an error-deflection curve summarized from experiment and calculation is used to carry out the revision of theory and computational formulae of straightening design for axle typed workpieces.

本文立足实验和计算，总结出误差挠度曲线，对轴类零件校直设计理论和计算公式进行修正研究。

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20、

the ( euclidean) minimum weight triangulation ( mwt) of a planar point set is a long-standing open problem in the fields of computational geometry and algorithm design.

提出了一种基于有序简单多边形的平面点集凸包快速求取的改进算法，新的算法能够避免极值点重合的问题。

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