摘要
建立翼型气动数据库对翼型的选择和设计具有重要的意义。本文基于一种建立翼型通用气动数据库的思想,介绍该数据库的基本框架和基本功能;该数据库采用一种基于可扩展标记语言的通用数据格式进行存储,包含翼型几何特性数据、不同流动状态下力系数、物面压力分布等各种气动数据,并且还可提供灵活多样的数据处理功能;采用代理模型和变可信度模型技术,实现气动数据快速检索和插值功能。通过DU93-W-210翼型算例初步表明如何实现气动数据生成和快速插值,从而初步展示了所提出翼型气动数据库技术的可行性。
Aerodynamic database is of great significance for design and optimization of airfoil.A universal framework for aerodynamic database of airfoils is proposed,and the basic functionalities are outlined.An XML data format is employed as a universal method for storage of all data,including geometric data and aerodynamic force coefficients as well as pressure distribution.The aerodynamic database not only provides a way for storage of all data but also provides a variety of data processing approaches,quick searching or interpolation based on surrogate modeling and variable-fidelity techniques.DU93-W-210 is employed to preliminarily demonstrate how to produce aerodynamic data and how to perform interpolation based on these data.It is preliminarily shown that the proposed database techniques are feasible and promising.
出处
《航空工程进展》
2013年第1期97-105,共9页
Advances in Aeronautical Science and Engineering
基金
国家自然科学基金(11272265)
航空科学基金(2011ZA53008)
国家高技术研究发展计划(2012AA051301)
关键词
翼型
气动数据库
代理模型
数据库技术
airfoil
aerodynamic database
surrogate modeling
database technique
