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航空结构大规模并行分析与优化应用
投稿时间:2016-09-07  修订日期:2016-11-17  点此下载全文
引用本文:常亮,段世慧,王立凯,罗利龙.航空结构大规模并行分析与优化应用[J].计算机辅助工程,2017,26(3):45-50.
作者单位E-mail
常亮 中国飞机强度研究所 changliang4201@aliyun.com 
段世慧 中国飞机强度研究所  
王立凯 中国飞机强度研究所  
罗利龙 中国飞机强度研究所  
基金项目:中航工业技术创新基金(2014A62340)
中文摘要:针对飞机设计精细化数值分析模型自由度已经达到亿级,对高性能计算的要求也越来越高的问题,围绕大规模并行计算环境下结构分析和优化的若干关键问题,研究满足高性能计算体系特点的区域分解并行算法、超大规模结构变量敏度高效求解和结构非线性振动特性求解等关键技术.对国产CAE软件HAJIF进行并行化改造,初步实现基于最大航程的气动结构综合优化设计和基于精细化模型的复合材料机翼综合优化设计.HAJIF的计算效率和精度得到明显提高.
中文关键词:区域分解算法  超大规模结构变量  解析敏度  HAJIF
 
Application of larger scale parallel analysis and optimization in aero structure
Abstract:The fine numerical analysis model freedoms of aircraft design has reached one hundred million degrees, which requires increasingly higher high performance computing. As to several key issues on structure analysis and optimization in large scale parallel computing environment, the key technologies are researched including domain decomposition algorithms, efficient solution of ultra large scale structural variable sensitivity and solution of nonlinear structural vibration characteristics, and so on, which are used to meet the characteristics of high performance computing system. The Chinese CAE software HAJIF is improved to meet the requirements of parallel computing, and the integrated optimization and design on aerodynamic structure in maximum voyage and composite wing based on refinement model are implemented initially. The calculation efficiency and accuracy of HAJIF is improved obviously.
keywords:domain decomposition algorithm  ultra large scale structural variable  analytical sensitivity  HAJIF
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