方法采用有限元建模技术对CAD实体模型切分模块。
Methods The CAD model is divided into parts through finite element modelling technique.
根据张力减径过程的变形特点，采用组元建模技术，编写了弹塑性有限元计算程序。
Based on the characteristics of tube stretch-reducing process, the elastic FE calculation program is prepared by means of the constituent element modeling technique.
本文研究了有限元建模技术对车身动态分析的影响，建立起适合动态分析的车身有限元模型，在此基础上，进行了结构和声场的谐响应分析。
The influence of the technology about building finite element model for the automobile dynamic analysis are studied in this article, and build the car body adapt to dynamic analysis.
建模和元模型建模概念和技术
研究表明，元胞自动机建模技术是研究交通流动态问题一种简单有效的方法。
Research indicated Cellular Automata modeling technology is one simple effective method to study the dynamic problem of traffic flow.
针对液压机主机机身结构特点，研究了其产品族设计方法，并提出了基于柔性元结构的建模技术。
By analyzing the characteristics of press machine body, the press family design method is discussed and the modeling technology of flexible modules based on flexible unit structures is proposed.
文中详细介绍了数据仓库的建模、数据抽取与转换、数据存储与管理、元数据管理以及可视化数据分析等技术。
The technologies of data warehouse modeling, data extraction and transformation, data storage and management, metadata management, and visualized data analysis and so on are introduced in detail.
探讨了管道三通塑性失效有限元分析中的建模技术，包括变形参量选取，网格收敛性研究等。
The finite element analysis techniques and building model approach, including the mesh convergence study and the selection of deformation parameters etc.
虚拟样机技术的核心是机械系统动力学、有限元理论和控制理论等建模理论及其技术的实现。
The core of the virtual prototype technology is on the realization of modeling theories and technology, mechanical system dynamics, finite element theory and control theory, etc.
对GDCN的建模技术进行分析后，提出了基于仿真分析和元模型技术的领域级约束建模的有效方法。
Then, the modeling method of GDCN was analyzed, and the effective modeling method of the domain constraints based on simulation and Meta modeling was presented.
本文论述了使用XMLDTD建模技术，分别建立各个异构数据源连接信息模型与元数据映射模型的方法。
The article expatiates on a method of establishing heterogeneous data sources to connect the information model and the metadata mapping model by using the XML DTD modeling technique.
基于有限元分析方法，对运煤敞车的结构简化、单元选取、边界及约束处理等建模技术进行阐述。
The structure simplification of the open boxcar, choosing elements type, and disposing the boundary and restriction of the model are introduced.
介绍了利用CAD、网格自动剖分和人工智能技术相结合进行航空薄壁结构有限元建模的问题求解框架。
Based on CAD, automatic mesh generation and AI reasoning techniques, the problem solving framework for finite element modeling (FEM) of aeronautical thin wall structures is introduced.
基于通用有限元软件的二次开发技术，编制了通用的命令流和程序，完成了建模和计算工作。
The general command flow and computer code was compiled to finish the modeling and calculation based on the secondary developing function of the general finite element software.
提出了基于有限元复合建模的符合工程实用的金属结构裂纹诊断与控制的方法与技术途径。
To put forward a mean, which can be used in engineering, to diagnose and control the cracks of the structures based on composite FEM.
利用计算机技术进行数字化建模，有效地提高了有限元计算前处理工作的速度和质量。
Using the computer technology to establish the digit model can effectively enhance the speed and quality of antecedent work before finite element calculation.
一元化特征建模技术融特征设计和特征识别两者为一体，设计阶段的初始设计特征进入应用领域后，经过特征识别器形成领域专用特征。
Unified feature modelling technique is a hybrid of feature based design and feature recognition. In design stage, a part is described by initial features with four information models.
作者在第三章中提出了基于STEP中性文件的有限元自动建模技术的研究，阐述了以STEP中性文件为媒介实现不同系统间的数据信息交换的原理。
In chapter 3, the research work on the technique of automatic modeling of FEM is brought forward based on STEP neutral files. The data exchange realization between different systems is expatiated.
作者在第三章中提出了基于STEP中性文件的有限元自动建模技术的研究，阐述了以STEP中性文件为媒介实现不同系统间的数据信息交换的原理。
In chapter 3, the research work on the technique of automatic modeling of FEM is brought forward based on STEP neutral files. The data exchange realization between different systems is expatiated.
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