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基于IGES接口的电磁计算模型数据交互
引用本文:刘伟,侯新宇,温浩.基于IGES接口的电磁计算模型数据交互[J].计算机工程与设计,2007,28(2):465-466,470.
作者姓名:刘伟  侯新宇  温浩
作者单位:[1]西北工业大学电子信息学院,陕西西安710072 [2]五邑大学,广东江门529020
摘    要:现今武器大多是利用非均匀有理B样条(non-uniform rational B-spline,NURBS)数学表述,在CAD/CAM系统下完成建模和重构.利用电磁计算软件运算武器模型的雷达散射截面(radar cross section,RCS)从而评估其隐身性能,就需要与CAD/CAM系统进行数据交互.通过对基本图形转换规范(initial graphics exchange specification,IGES)数据标准的分析,为电磁计算软件编译了IGES数据接口.该数据接口具备IGES文件数据导入和模型数据导出另存为IGES文件格式的功能,从而实现了自行开发的计算软件CRCS v1.2和CAD系统软件的数据交互,提高了软件处理复杂模型的能力进而使模型重构与计算趋于一体化.

关 键 词:非均匀有理B样条  雷达散射截面  电磁计算软件  数据接口  基本图形转换规范  IGES  数据接口  电磁  计算模型  数据交互  models  computation  electromagnetic  一体化  能力  复杂模型  软件处理  系统软件  CRCS  计算软件  开发  功能  文件格式  数据导出  数据导入
文章编号:1000-7024(2007)02-0465-02
修稿时间:2006-03-02

Data-exchange implementation of electromagnetic computation models via IGES
LIU Wei,HOU Xin-yu,WEN Hao.Data-exchange implementation of electromagnetic computation models via IGES[J].Computer Engineering and Design,2007,28(2):465-466,470.
Authors:LIU Wei  HOU Xin-yu  WEN Hao
Abstract:Nowadays,many weapons described by NURBS are built and re-created by CAD/CAM software.Through obtaining RCS of the weapon model with electromagnetic computational software,its stealth performance is evaluated.Therefore,it's necessary to exchange data between electromagnetic computational software and CAD/CAM system.Based on the analysis of IGES,the IGES data-exchange interface is realized.This data-exchange interface supports the importing of IGES format data and saving the model data as IGES files,thus the data exchange between CAD software and self-developed computational software CRCS v1.2 is achieved,the sof-tware's ability to deal with complex models is improved and rebuilding and computing of models is incorporated.
Keywords:NURBS  RCS  electromagnetic computing software  data-exchange interface  IGES
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