分析了飞机机翼—外挂干扰颤振特性。
The paper analyzes the external stores jam flutter characteristics of aircraft wing.
该辨识方法成功地应用于飞机颤振特性的辨识。
Finally, this method is successfully used in the identification of aircraft buffeting characteristics.
计算结果表明,结构刚度非线性对颤振特性有明显的影响。
The time histories of structure responses of airfoil are solved by coupled with the Navier Stokes equations and flutter moving equations with nonlinear structural stiffness functions.
本文研究了叶片三心(重心、扭心、气动力中心)对颤振特性的影响。
The effects of three centres, i. e. aerodynamic centre, centre of gravity and centre of torsion, of blade on fluttering have been studied.
使用热刚度计算理论,进行了不同温度场和不同结构材料的热颤振特性研究。
The thermal flutter characteristics of structure in different temperature and different material are researched using the thermal stiffness analysis method.
根据热气动弹性特点,探讨了气动加热温度对三角机翼模态特性和颤振特性的影响。
From the characteristics of aerothermoelasticity, the effects of temperature in aerodynamic heating on the mode of a delta wing and the characteristic of its flutter were researched.
最后确定了壁板的颤振边界,分析了温度、来流速度等因素对壁板颤振特性的影响规律。
The panel flutter boundaries are finally determined and the effect of temperature, airflow speed, etc, on the panel flutter characteristics is analyzed.
探讨了由于振动频率、颤振自由度、广义质量等参数的变化对机翼—外挂干扰颤振特性影响的一些特点。
This paper probes the features of the effect on the external stores jam flutter characteristics due to the variation of parameters of vibration frequency, flutter freedom and generalized mass.
在颤振特性分析中所需要的广义气动力是根据亚音速非定常升力面理论,采用马蹄涡—振荡压力偶极子格网法计算的。
The generalized aerodynamic force required in analysis is calculated by using horse shoe vortex— vibrational pressure doublet grid method, based on theory of subsonic unsteady lifting plane.
本文的目的就是对壁板的热颤振特性进行系统深入的分析和研究,为高速飞行器的壁板结构的防颤振设计和壁板颤振抑制的研究建立理论基础。
The aim of this thesis is to analyze the panel flutter mechanism and establish a mechanical model for panel flutter analysis and this work is the basis of panel flutter control studies.
最后对切削颤振的相位特性进行了试验考证。
The experiments to verify the phase characteristics of cutting chatter are conducted.
为改善伺服阀的特性,在系统各通道的伺服输出电路中增加了可程控的阀偏置和阀颤振电路。
There are valve dither and valve set point circuit to improve the performance of the system.
传统的飞机风洞颤振模型不能反映飞机的结构特性。
The structure of the aircraft can not be reflected in the conventional wind tunnel flutter model.
传统的飞机风洞颤振模型不能反映飞机的结构特性。
The structure of the aircraft can not be reflected in the conventional wind tunnel flutter model.
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