国家自然科学基金(10902006)

作品数:19被引量:119H指数:7
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相关作者:杨超吴志刚荆志伟万志强张旭更多>>
相关机构:北京航空航天大学中国航空工业集团公司更多>>
相关期刊:《北京航空航天大学学报》《Science Bulletin》《航空学报》《中国科学:技术科学》更多>>
相关主题:FLUTTER气动弹性ANALYSISUNSTEADYSTUDIES更多>>
相关领域:航空宇航科学技术建筑科学交通运输工程兵器科学与技术更多>>
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Identification of nonlinear multi-degree-of freedom structures based on Hilbert transformation被引量:8
《Science China(Physics,Mechanics & Astronomy)》2014年第9期1725-1736,共12页WU ZhiGang YANG Ning YANG Chao 
supported by the National Natural Sciences Foundation of China(Grant Nos.91116005 and 10902006)
The modeling method and identified method adapted to multi-degree-of-freedom structures with strucrural nonlinearities are established.The component mode synthesis method is used to establish the nonlinear governing e...
关键词:structural nonlinearity IDENTIFICATION Hilbert transformation component mode synthesis method dynamic analysis dynamic response 
Study on gust alleviation control and wind tunnel test被引量:8
《Chinese Science Bulletin》2013年第7期762-771,共10页WU ZhiGang CHEN Lei YANG Chao 
supported by the National Natural Science Foundation of China (Grant Nos. 91116005,10902006)
Aircraft are inevitably affected by gust during flight,which disturbs the regular operations of pilots and worsens the ride quality.In more grievous cases,flight mission cannot be completed and the flight safety may b...
关键词:低速风洞试验 主动控制技术 阵风减缓 飞机结构 PID控制器 控制计划 测试系统 飞行过程 
Shape sensitivity analysis of flutter characteristics of a low aspect ratio supersonic wing using analytical method被引量:3
《Science China(Technological Sciences)》2012年第12期3370-3377,共8页YANG Chao YANG YouXu WU ZhiGang 
supported by the National Natural Science Foundation of China (Grant Nos. 91116005, 10902006)
Shape sensitivities of flutter characteristics can predict the moving of flutter boundary as wing shape varies. The nonlinear relationship between mass, stiffness and damping matrices of aeroelastic systems and shape ...
关键词:FLUTTER shape sensitivity equivalent plate model piston theory wing design 
Studies on aeroservoelasticity semi-physical simulation test for missiles被引量:16
《Science China(Technological Sciences)》2012年第9期2482-2488,共7页WU ZhiGang CHU LongFei YUAN RuiZhi YANG Chao TANG ChangHong 
supported by the National Natural Science Foundation of China (Grant Nos. 90716006,10902006)
Missiles may be damaged when aeroservoelastic problem occurs,which is caused by the interaction of structure flexibility and flight control system.Because of the limit of wind tunnel test condition,numerical methods a...
关键词:aeroservoelasticity semi-physical simulation unsteady aerodynamic aerodynamic derivative method SHAKER MISSILE 
Theoretic analysis and experiment on aeroelasticity of very flexible wing被引量:10
《Science China(Technological Sciences)》2012年第9期2489-2500,共12页XIE ChangChuan LIU Yi YANG Chao 
supported by the National Natural Science Foundation of China (Grant Nos. 90716006,10902006);the Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20091102110015)
A high-altitude long-endurance aircraft with high-aspect-ratio wing usually generates large deformation,which brings the geometric nonlinear aeroelastic problems.In recent decades,it has become a key focus of the inte...
关键词:geometry nonlinear aerodynamic aeroelastic modal testing wind tunnel test 
考虑预应力和液体影响的圆柱壳颤振分析被引量:1
《航空学报》2012年第5期855-862,共8页聂少云 吴志刚 
国家自然科学基金(10902006,91116005)
为了研究预应力和液体对圆柱壳颤振的影响,采用杂交元方法,建立了圆柱壳的气动弹性方程。由Sanders薄壳理论和经典有限元理论,从壳的精确解推导节点位移函数入手,并由一阶活塞理论得到结构的气动阻尼矩阵和刚度矩阵,最终推导出考虑预应...
关键词:圆柱壳 气动弹性 有限元方法 活塞理论 预应力 内部液体 液体晃荡 
大型飞机翼梁位置对气动弹性优化的影响研究被引量:3
《中国科学:技术科学》2012年第3期352-358,共7页万志强 刘东岳 唐长红 杨超 
国家自然科学基金(批准号:10902006);高校博士点基金(批准号:20091102110015)资助项目
针对大型飞机弹性机翼初步设计阶段涉及的气动弹性问题,在建立大展弦比机翼三维有限元模型的基础上,研究前、后翼梁位置参数对气动弹性特性分析和优化结果的影响规律,为翼盒结构设计提供指导.研究表明,气动弹性优化对于结构设计获得可...
关键词:大型飞机 气动弹性 优化设计 大展弦比机翼 翼梁 
Studies on the influence of spar position on aeroelastic optimization of a large aircraft wing被引量:5
《Science China(Technological Sciences)》2012年第1期117-124,共8页WAN ZhiQiang LIU DongYue TANG ChangHong YANG Chao 
supported by the National Natural Science Foundation of China (Grant No.10902006);the Doctoral Program Foundation of Institutions of Higher Education of China (Grant No.20091102110015)
Aeroelastic problems are encountered at the preliminary design stage of flexible wings for large aircraft. A three-dimensional finite element model of a high-aspect-ratio wing was built, and the influence of the front...
关键词:large aircraft aeroelasticity optimization design high-aspect-ratio wing spar 
主动气动弹性机翼多控制面配平综合优化设计被引量:4
《工程力学》2011年第12期244-249,共6页杨超 肖志鹏 万志强 
国家自然科学基金项目(10902006,90716006)
针对主动气动弹性机翼(active aeroelastic wing,简称AAW),基于遗传算法发展一种可以同步考虑结构优化和配平关系优化的综合设计方法,并在采用了AAW技术的战斗机的设计中得到了应用。以结构质量最小化为目标,以控制面偏转、铰链力矩、...
关键词:主动气动弹性机翼 综合优化设计 多控制面 结构 配平 颤振 飞行载荷 遗传算法 
弹性飞机货物投放动响应分析被引量:4
《北京航空航天大学学报》2011年第10期1211-1217,共7页吴志刚 杨超 荆志伟 杨秋艳 
国家自然科学基金资助项目(10902006)
重型货物的投放会引起飞机严重的动力学载荷.激励载荷具有较宽的频带,能激起较多弹性模态的振动,而这种动响应可能被气动弹性效应变得更大.为此建立了弹性飞机重型货物投放动响应分析方法.同时考虑飞机的刚体运动和弹性振动模态,应用能...
关键词:气动弹性 弹性飞机 空投 动响应 
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