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458篇 您的检索式:作者名="G Abbas"
    题名 作者 年代 出处 被引量
1高超音速双楔形升力面的主动热气动弹性控制问题的研究(英文)显示文摘非线性热弹性和气动不稳定性问题在再入大气层运载工具和高超音速飞行器上都是极为重要的问题,应该在飞行器的设计阶段给予特别的重视。尤其是热力学问题更为重要,因为温度环境的变化可对高超音速飞行器结构的静力学与动力学特性产生显著影响,进而导致动力学不稳定乃至于灾难性的结构疲劳破坏。为了深入理解这类'热'结构的动力学行为,本文分析一种双楔形升力面,该升力面在沉浮和俯仰两个自由度方向都有自由间隙与三次非线性结构刚度。三阶空气动力学活塞理论被用来计算施加于升力面上的非线性非定常气动载荷。还考虑了由于升力面气动加热产生的轴向应力所导致的扭转刚度的损失。根据高速气流产生的隔热层温度可以预估气动加热的影响。主动控制是今年来兴起的主要用于航空宇航结构系统的新技术,为了抑制颤振边界上和颤振后的动力响应,我们采用了线性和非线性主动控制策略,给出了建模方法及其仿真结果。值得强调的是,当扭转刚度损失较大时有可能引发升力面的动力学不稳定状态。此外,主动控制策略还可以拓展颤振边界,并且能将不稳定极限环振动转变为稳定极限环振动,或者可以将这两种状态的转捩点推向更高的马赫数。Laith K Abbas 陈前 Piergiovanni Marzocca Gürdal Zafer Abdalla Mostafa 2008Chinese Journal of Aeronautics2008,21,1:3
2Analysis of flange transverse bending of corrugated web I-girders under in-plane loads显示文摘Abbas H H Sause R Driver R G 2007Journal of Structural Engineering2007,133,3:1
3Cmos image sensors显示文摘ABBAS E G HELMY E 2005IEEE Circuits & Devices Magazine2005,,56:1
4Effects of prepartum monensin feeding on energy metabolism and reproductive performance of postpartum high-producing Holstein dairy cows显示文摘Mahmood C M Abbas R G Amin T 2012Pakistan Vet J2012,32,1:1
5Growth parameters of finfish and shellfish juveniles in the tidal waters of Bhanbhore, Korangi Creek and Miani Hor Lagoon显示文摘AHMED M ABBAS G 2000Pakistan Journal of Zoology2000,32,1:1
6Shear Behavior of Corrugated Web Bridge Girders 显示文摘DRIVER R G ABBAS H H SAUSE R 2006Journal of Structural Engineering ASCE2006,132,2:1
7Shear strength of steel reinforced recycled concrete beams with stirrups 显示文摘Fathifazl G Razaqpur A G Isgor O B Abbas A Foumier B Foo S 2010Magazine of Concrete Research2010,62,10:1
8Common fixed point results for noncommuting mappings without continuity in cone metric spaces 显示文摘Abbas M Jungck G 2008J Math Anal Appl2008,341,1:1
9Behavior of corrugated web I-girder under in plane loads 显示文摘Abbas H H Sause R Driver R G 2006Journal of Engineering Mechanics2006,132,8:1
10Laser surface cladding of satellite and satellite-SiC composite deposits for enhanced hardness and wear显示文摘Abbas G West D R F 1991Wear1991,143,2:1
11Microwave ablation 显示文摘Abbas G 2011Semin Thorac Cardiovasc Surg2011,23,:1
12Fatigue life of Orders with trapezoidal corrugated webs 显示文摘Sause R Abbas H H Driver R G 2006Journal of Structural Engineering2006,132,7:1
13显示文摘Abbas G Roy S Papakonstantinou P 2005Carbon2005,43,:1
14Dynamic modelling and stability analysis of model-scale helicopters under wind gust显示文摘Martini A Leonard F Abba G 2009Journal of Intelligent and Robotic Systems2009,54,4:1
15A review on current research trends in electrical discharge machining (EDM)显示文摘Abbas N M Solomon D G Bahari Md F 0,,7:1
16Anatomic seg-mentectomy for the solitary pulmonary nodule and early-stage lung cancer显示文摘Schuchert MJ Abbas G Awais O 2012Ann Thorac Surg2012,93,6:1
17The impact of spermatozoa preincubation time and spontaneous acrosome reaction in intracytoplasmic sperm injection: a controlled randomized study显示文摘Mansour R T Serour M G Abbas A M 2008Fertil Steril2008,90,3:1
18Effect of high power diode laser surface melting on wear resistance of magnesium alloys显示文摘 LI L GHAZANFAR U 2006Wear2006,260,12:1
19Behavior of corrugated web I-girders under in-plane loading 显示文摘ABBAS H H SAUSE R DRIVER R G 2006J Struct Eng2006,132,8:1
20Analysis of flange transverse bending of corrugated web I2Girders under in-plane loads显示文摘Abbas H H Sause R Driver R G 2007Journal of Structural Engineering2007,133,3:1
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