提出了带结构刚度非线性的超音速弹翼的颤振分析方法。
We present a method of analyzing flutter characteristics of wing with nonlinear stiffness in supersonic flow.
研究了气动弹性系统的不确定性建模和鲁棒颤振分析问题。
The problems of uncertainty modeling and robust flutter analysis of aeroelastic system are investigated in this paper.
扩展到系统的多个结构强非线性颤振分析的增量谐波平衡法。
The incremental harmonic balance method was extended to analyze the flutter of systems with multiple structural strong nonlinearities.
完全非定常气动力由格林函数方法直接计算，颤振分析结果准确。
For fully unsteady aerodynamic force is calculated with Green's Function method, the results of flutter analysis are accurate.
特别是和用活塞理论所做的颤振分析相比，计算精度有了明显提高。
The accuracy of flutter analysis improved by this method is much higher than that obtained by the piston theory.
该方法是一种单参数搜索方法，克服了以往直接颤振分析方法的一些缺陷。
The proposed method overcomes the defects of the previous direct flutter analysis and it is a single parameter searching method.
本文首先回顾了大跨度桥梁颤振分析的基本方法和气动导数识别方法的研究现状。
The fundamental methods for flutter analysis and the current status of aerodynamic derivative identification are reviewed at first in this thesis.
基于结构的有限元全物理模型，提出了一种双参数全模态颤振分析方法，并在ANSYS中实现。
A new approach of full-mode flutter analysis with double parameters is proposed, which is realized in ANSYS, based on the full-order discretized physical model of structure.
将增量谐波平衡法推广应用于二元机翼的颤振问题，为强非线性颤振分析提供了一条有效的新途径。
The incremental harmonic balance method is extended to analyze the flutter of two dimensional airfoils. The present procedure provides a new effective way to the strongly nonlinear flutter analysis.
在众多桥梁颤振分析的实验加理论方法中，PK - F法是一种通用性很强的等效颤振分析方法。
In many flutter analysis methods, the PK-F method is an equivalent flutter analysis method in common use.
以某悬索桥设计方案为工程背景，应用多模态颤振分析方法，分析了该桥架设阶段颤振临界风速的发展趋势。
A suspension bridge project is taken as an example, in which the evolution of critical wind speed of flutter during bridge erection is studied by a multi-mode flutter analysis approach.
本文对主梁的颤振导数识别，采用与主梁颤振分析试验相同的节段模型和测量装置，以自由振动法进行试验。
This paper makes use of free vibration method, using the same model and measuring device to identify the flutter derivatives of the girder.
并使用三维叶片颤振数值分析预估系统对叶片进行颤振分析，得出叶片颤振与叶片设计参数之间的内在关系。
And the intrinsic relation between cascade flutter and cascade design was studied by using the numerical flutter analysis and prediction system.
一种新的颤振分析方法——鲁棒颤振裕度法被介绍，它利用结构奇异值理论将系统模型和试飞数据有机结合起来进行颤振边界预测。
Pass to incorporate organically the flight test data and the system model, make use of the structured singular value theories proceed the flutter boundary estimate.
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.
最后，分析了线性和非线性刚度系数对颤振响应拓扑结构的影响。
Finally, the influences of the linear and non-linear stiffness coefficients on the topological structure of flutter responses were analyzed.
将提出的理论和方法应用于车削颤振的建模和分析。
The proposed theory and methods are applied to modeling and analysis of metal cutting chatter .
进而采用根轨迹方法就反馈增益和延迟时间进行参数分析，获得系统的颤振稳定性边界。
Furthermore, it performed the parametric analysis in terms of feedback gains and delayed time using the root locus method, thus obtaining the system's flutter stability boundary.
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.
对国内外切削颤振领域的研究工作进行评述，分析了现有的颤振预报方法的优缺点。
The work in the field of prediction of cutting chatter is summarized. The advantages and disadvantages are also analyzed in this paper.
将振动叶栅三维流动数值模拟与振动叶片结构动力学分析相结合，建立了叶片颤振数值分析系统。
The numerical flutter analysis system was formed by the three-dimensional numerical simulation of the vibrating cascade flow combined with the structural dynamics analysis of vibrating blade.
由于只需进行单参数的搜索过程且计算效率较高，用该方法分析实际大跨度桥梁颤振问题是合适的。
The direct flutter analysis only requires a single parameter searching process and is efficient and fits to the flutter problems of actual long span Bridges.
在分析加工颤振机理的基础上，对加工齿轮泵壳体齿圈槽专用刀具的刀体结构和刀具参数进行了优化设计。
Based on the analysis of cutting chatter, the cutter body structure and parameters of special cutter for machining gear pump bodies are optimum designed.
用算例分析了结构在不同耦合刚度下非对称参数对颤振速度影响的变化规律。
Examples were presented to analyze the effects of asymmetrical parameters on the critical flutter velocity under different coupled stiffness.
结果表明，描述函数方法是分析机床颤振这个极其复杂的非线性系统的一个有效的手段。
Analysis results show that the describing function analysis for the non-linear machine tool chatter is feasible and effective.
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.
模拟分析与试验结果表明，连续改变刀具角度是在线控制切削颤振的有效方法。
Simulation analysis and experiment results indicate that changing tool geometric angles continuously in cutting process is an effective method in on-line controlling of cutting vibrations.
模拟分析与试验结果表明，连续改变刀具角度是在线控制切削颤振的有效方法。
Simulation analysis and experiment results indicate that changing tool geometric angles continuously in cutting process is an effective method in on-line controlling of cutting vibrations.
应用推荐