The calculated results of three dimensional unsteady flow and flutter have proved that the methods presented in the thesis are satisfactory 三维非定常气动力和颤振的计算结果是令人满意的。
Firstly , a dynamics equation is got by analyzing the aerodynamics change brought by aircraft differential tail 首先，分析差动平尾所引起的飞机气动力的变化，从而导出相应的飞机动力学方程。
Railway applications - aerodynamics - part 4 : requirements and test procedures for aerodynamics on open track ; german version en 14067 - 4 : 2005 铁路设施.空气动力学.第4部分:铁路通行线上空气动力学
Deng x g , zhuang f g , mao m l . on low mach number perfect gas flow calculations [ r ] , aiaa paper 99 - 3317 邓小刚.粘性超声速复杂气动力干扰的数值模拟[ d ] : [博士学位论文] ,中国空气动力研究与发展中心, 1991
Moreover the study of the dynamically response of the blade vibration behavior depending on mass , stiffness and aerodynamics is made 又从质量、刚度、气动力的角度出发，研究该风力机叶片振动的动态响应。
In the case of jet engine not working , direct lateral force / attitude compound control system becomes only aerodynamic control system 当喷流发动机不工作时，直接力气动力复合控制就变成了单独的气动力控制。
Boston - - for a yankees team in need of something to kick off an unimaginable climb , some steam under the collar might be the perfect catalyst 洋基队需要开始绝地大反攻了，一些推动球队前进的蒸气动力是完美的因素。
2 . the aerodynamics characteristics of this airfoil is studied in wind tunnel . this studies provides the direction of the research on boundary layer ( 2 )进行了翼型的低速气动力性能研究，为附面层特性研究提供了方向。
Abstract : a model of self - excited ae rodynamic forces acting on a sectionof bridge deck with additional surface atta ched below the trailing edge is established 文摘:首先建立了下风侧附加翼板桥梁主梁截面的自激气动力模型。
