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个人信息Personal Information
教授 博士生导师
招生学科专业：
力学 -- 【招收博士、硕士研究生】 -- 航空学院
航空宇航科学与技术 -- 【招收硕士研究生】 -- 航空学院
机械 -- 【招收博士、硕士研究生】 -- 航空学院
主要任职：飞行器流体物理全国重点实验室学术委员会委员，中国振动工程学会理事，中国航空学会变体飞行器分会、中国振动工程学会模态分析与试验专委会、非线性振动专委会等四个专业委员会副主任委员/委员
其他任职：SCI期刊《Acta Mechanica Sinica》期刊责任编辑、《力学进展》、《振动工程学报》、《力学学报》和《动力学与控制》等四种期刊的青年编委
性别：男
毕业院校：Nanjing University of Aeronautics and Astronautics
学历：南京航空航天大学
学位：工学博士学位
所在单位：航空学院
联系方式：ruihwang@nuaa.edu.cn
Nonlinear Reduced-Order Models for Transonic Aeroelastic and Aeroservoelastic Problems
点击次数：
所属单位：航空学院
发表刊物：AIAA JOURNAL
关键字：LIMIT-CYCLE OSCILLATIONS CONTROL LAW DESIGN FLUTTER SUPPRESSION UNSTEADY AERODYNAMICS SYSTEMS FRAMEWORK ROBUST FLOWS WINGS
摘要：Nonlinear reduced-order modeling approaches have been a promising tool for predicting the transonic aerodynamic and aeroelastic behaviors of aircraft structures. However, the accuracy of the approaches in predicting the transonic limit-cycle oscillations and aeroservoelastic behaviors needs to be further improved. For example, because of the complexity induced by the coupling among deflection of control surfaces, oscillating shock waves, structural vibration, and aerodynamic viscosity, it is difficult to adjust the system order and number of neurons of the Wiener-based reduced-order model. Moreover, the increasing of the system order may lead to overfitting. This paper presents a novel reduced-order aerodynamic modeling methodology based on the theory of nonlinear state-space identification. The accuracy of the method is demonstrated for predicting aerodynamic loads, limit-cycle oscillations, and frequency responses of aeroservoelastic systems at transonic flow conditions. Results are compared with full-order simulations solving the Reynolds-averaged Navier-Stokes equations.
ISSN号：0001-1452
是否译文：否
发表时间：2018-09-01
合写作者：F70206622,Yang, Zhijun,赵永辉,70200091
通讯作者：黄锐