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An sequential optimization and aeroelastic constraint transformation method for strength-aeroelastic comprehensive design
Zhang ZS1; Wang XJ1; Chen XJ(陈贤佳)2
发表期刊JOURNAL OF FLUIDS AND STRUCTURES
2020-02-01
卷号93页码:14
ISSN0889-9746
摘要

With the development of modern aircraft technology, aeroelasticity plays a more and more crucial role in aircraft structural design. However, low efficiency of present aeroelastic analysis and optimization methods makes it difficult to apply in engineering practice. This paper presents a sequential optimization and aeroelastic constraint transformation method (SOACTM) for comprehensive design of airplane wings with strength and aeroelastic constraints. Optimization with structural strength constraint and aeroelastic constraint is transformed into a serial of cycles of decoupled structural strength sub-optimizations and aeroelastic sub-optimizations based on sequential optimization strategy. In structural strength sub-optimization, structural strength constraint is translated along its normal direction to make optimal design point satisfying aeroelastic constraint And the goal of aeroelastic sub-optimization is to find the translational distance of structural strength constraint. Aeroelastic constraint is transformed to equivalent structural strength constraint via above approach. In this way, number of aeroelastic analyses in SOACTM is less than that in traditional optimization method and total computational time decreases. SOACTM is verified based on two examples. Traditional optimization method is applied for the sake of validation. The results demonstrated the accuracy and efficiency of SOACTM for wing comprehensive optimization considering both structural strength and aeroelastic constraints. (C) 2019 Elsevier Ltd. All rights reserved.

关键词Comprehensive design Sequential optimization strategy Airplane wing Structural strength Aeroelasticity
DOI10.1016/j.jfluidstructs.2019.102836
收录类别SCI ; EI
语种英语
WOS记录号WOS:000517849300001
关键词[WOS]RELIABILITY ASSESSMENT METHOD ; SENSITIVITY-ANALYSIS ; INTERVAL
WOS研究方向Engineering ; Mechanics
WOS类目Engineering, Mechanical ; Mechanics
资助项目National Nature Science Foundation of the P.R. China[11872089] ; National Nature Science Foundation of the P.R. China[11572024] ; National Nature Science Foundation of the P.R. China[11432002] ; Defence Industrial Technology Development Programs[JCKY2017208B001] ; Defence Industrial Technology Development Programs[J00(20162048101)] ; Defence Industrial Technology Development Programs[JCKY201760113001] ; Defence Industrial Technology Development Programs[JCKY2018601B001] ; Beijing Municipal Science and Technology Commission[Z191100004619006]
项目资助者National Nature Science Foundation of the P.R. China ; Defence Industrial Technology Development Programs ; Beijing Municipal Science and Technology Commission
论文分区二类/Q1
力学所作者排名3
RpAuthorWang, Xiaojun
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/81644
专题非线性力学国家重点实验室
作者单位1.Beihang Univ, Sch Aeronaut Sci & Engn, Inst Solid Mech, Beijing 100191, Peoples R China;
2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714
Zhang ZS,Wang XJ,Chen XJ. An sequential optimization and aeroelastic constraint transformation method for strength-aeroelastic comprehensive design[J]. JOURNAL OF FLUIDS AND STRUCTURES,2020,93:14.
APA Zhang ZS,Wang XJ,&Chen XJ.(2020).An sequential optimization and aeroelastic constraint transformation method for strength-aeroelastic comprehensive design.JOURNAL OF FLUIDS AND STRUCTURES,93,14.
MLA Zhang ZS,et al."An sequential optimization and aeroelastic constraint transformation method for strength-aeroelastic comprehensive design".JOURNAL OF FLUIDS AND STRUCTURES 93(2020):14.
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