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| 基于STL文件的笛卡尔网格生成方法研究 | |
| 引用本文： | 肖涵山,刘刚,陈作斌,程克明.基于STL文件的笛卡尔网格生成方法研究[J].空气动力学学报,2006,24(1):120-124,136. |
| 作者姓名： | 肖涵山 刘刚 陈作斌 程克明 |
| 作者单位： | 1. 南京航空航天大学,南京,210016;西北工业大学,西安,710072 2. 西北工业大学,西安,710072 3. 中国空气动力研究与发展中心,四川,绵阳,621000 4. 南京航空航天大学,南京,210016 |
| 摘 要： | 采用从STL文件中直接获取模型几何数据的方法,利用ADT数据结构快速剔除相同顶点,提出一种新的“推进查找”方法替代以往网格单元是否在物面内部的判定方法,避免了对物面的自封闭要求,无需进行几何重构,直接完成网格生成,更进一步提高了自适应笛卡尔网格生成速度和自动化程度,为实现CAD与CFD的之间的数据对接提供了一种新的方式。 |
| 关 键 词： | STL文件 ADT数据结构 笛卡尔网格生成 |
| 文章编号： | 0258-1825（2006）01-0120-06 |
| 收稿时间： | 2005-01-06 |
| 修稿时间： | 2005-01-062005-04-30 |
The adaptive cartesian grid generation method based on STL file |
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| XIAO Han-shan,LIU Gang,CHEN Zuo-Bin,CHEN Ke-Ming.The adaptive cartesian grid generation method based on STL file[J].Acta Aerodynamica Sinica,2006,24(1):120-124,136. | |
| Authors: | XIAO Han-shan LIU Gang CHEN Zuo-Bin CHEN Ke-Ming |
| Institution: | 1. NanJing Univercity of Aeronautics and Astronautics, NanJing 210016. China; 2. China Aerodynamic Reseaxch and Development Center, Mianyaag Sichuan 621000, China |
| Abstract: | In CFD,it is desirable to have fast and reliable systems in order to quickly obtain suitable solid models for grid generation.Nevertheless it is well known that the data exchange process between CAD modelers and CFD packages can require significative efforts.This paper presents some new methods for cartesian grid generation:Obtain model geometry data from STL file directly,Using ADT data structure to delete the same point,Using "Step by Step detection" to determine if a cell is in the model or not instead of old method.With those methods to avoid the "water tight" request for wall surface,this is useful to quicken cartesian grid generation and automatic level.It's a new approach for the data transfers between CAD and CFD |
| Keywords: | STL file ADT adaptive cartesian grid generation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |