基于伴随算子的大飞机气动布局精细优化设计  

Adjoint based on high precise aerodynamic shape optimization for transonic civil aircraft

作　　者：吴文华[1,2] 范召林[2] 陈德华[2] 覃宁[3] 孟德虹[1] 

机构地区：[1]中国空气动力研究与发展中心空气动力学国家重点实验室,四川绵阳621000 [2]中国空气动力研究与发展中心高速空气动力研究所,四川绵阳621000 [3]谢菲尔德大学

出　　处：《空气动力学学报》2012年第6期719-724,760,共7页Acta Aerodynamica Sinica

基　　金：国家自然科学基金项目(10972233);国际科技合作项目(2007DFA70880);空气动力学国家重点实验室研究基金(JBKY09000301)

摘　　要：发展了基于伴随算子的气动布局优化设计软件-ADJOPT,并将该软件用于经过传统设计方法优化的大飞机布局上,开展全机状态下的机翼多参数、高精度优化设计,计入了短舱和机身对机翼气动特性的影响,取得了明显的优化效果。研究结果表明,多参数优化设计能够充分挖掘一个优良布局的设计潜力,进一步提高布局性能。After decades of studies, the potentialities of traditional wing body configuration are almost ex- hausted. So, it is difficult to improve the performance of the traditional aerodynamic shape of transonic civil aircraft by conventional design method. In this paper we develop ADJOINT method based on aerodynamics optimization software-ADJOPT, and the software is used to optimize the wing of a transonic civil aircraft with fuselage and nacelle, which is already optimized by traditional way. The optimization is muhi-parame- ter, high precise and taking the influence of the fuselage and nacelle into account. The software performs well and gets obvious performance improvement. The research shows that multi-parameter optimization has the ability to exploit potentialities of a high-performance shape and increases the aerodynamic performance of it.

关 键 词：超临界翼型 参数优化 伴随算子 减阻 

分 类 号：V211.3[航空宇航科学与技术—航空宇航推进理论与工程]