充气机翼的颤振形式除常规的弯扭模态耦合外，弦向弯曲模态同样会发生颤振；
Except for the typical bending and torsion modes, the chord-wise bending modes have low frequencies.
在两个频率成分的间隔小于一定值，相邻频率成分产生严重模态耦合时，不能使用这种方法。
If the interval between frequencies is reduced to a certain value, the coupling will be so severe that this method can not be used.
在两个频率成分靠的较近，但产生的模态耦合不严重时，通过二次校正可以降低耦合影响，提高估计精度。
When one frequency is close to the others and the coupling is not very severe, we can enhance the precision by the second correction.
分析结果表明，在大跨度悬索桥中，多模态效应和模态耦合效应对主梁的竖向和扭转位移抖振响应有显著的影响。
It is shown that the multimode and mode coupled effects on the vertical and torsional buffeting responses of the bridge deck are quite obvious.
在此基础上提出结构总的背景响应和总共振响应可以分别采用各自主要参振模态的SRSS组合结果再叠加强模态耦合项的贡献得到。
The total wind induced background and resonant response can be obtained by the superposition of dominant-coupling modals and SRSS results of each dominant modals.
本文设计了一种多谐振腔宽带换能器，采用径向极化的压电陶瓷圆管作为激励源，激发多个液腔的振动，以多模态耦合振动的方式来拓展带宽。
Multi-resonator broadband transducer is given in this paper. The transducer driven by radially poled piezoelectric cylinder achieves broadband transmission by coupling multiple fluid vibrations modes.
对流层和平流层主要模态之间的耦合。
Coupling between Tropospheric and Stratospheric Leading Modes.
分别采用直接法和模态叠加法，计算声场-结构耦合系统的声压响应水平及其敏度。
The modal frequency response and its sensitivity analysis for the coupled system using the direct method and the eigenmodes.
由于箱式浮体结构的低阶固有频率很低，相应的弹性振型的响应与刚体运动耦合，结构在波浪中没有发现明显的低阶弹性模态谐振。
No significant resonance of the low flexible body modes is found due to the coupling of the responses among these modes and the rigid body modes.
本文研究了多组耦合模态结构动力学参数修改的子空间摄动法。
A subspace perturbation method for structural dynamic modification of several groups of coupled-modes vibration systems is studied.
此理论将声场表示成各种共振再辐射模态的叠加，从振动的角度揭示声-振耦合机理。
The theories express the sound fields by a superposition of various resonance reradiation modes and reveal the vibro-acoustic coupling mechanism in viewpoint of vibration.
将系统振动模态分为耦合模态与弧立模态，由数组相互耦合的模态张成耦合模态子空间。
The vibration modes are divided into two classes:separated and coupled. The coupled-mode subspace is spanned by the groups of coupled modes.
研究了多支承耦合隔振系统的模态特性。
The modal characteristics of the coupled system with multiple elastic mounts were investigated.
该模型的计算结果表明，立管的模态振型、模态频率与涡激振动响应高度耦合，并且对于低质量比的情况尤为明显。
It shows that the modal shape and mode frequency are highly coupled with the VIV response of a Marine riser with low mass ratio.
介绍了空间实验室大面积太阳电池阵的方案构型，并进行了模态分析、热结构耦合分析和动力学仿真分析。
The configuration of large solar array in space lab is put forward in this paper, and the mode, thermal coupling and dynamics stimulation analysis is made.
耦合非线性模态的分叉既与调谐参数有关又与模态振幅有关，但与非耦合弹簧的非线性刚度无关。
The bifurcation behavior of the coupled nonlinear normal mode is associated with detuning parameter and mode amplitude, but not with the nonlinear stiffness of uncoupling spring.
该文以一拖拉机驾驶室模型为研究对象，建立了其声振耦合的有限元分析模型，计算了该驾驶室模型的声学模态和声振耦合模态。
In this paper, a structural-acoustic model of a model tractor cab for finite element analysis was established, and the acoustic modal and the coupled structural-acoustic modal were analyzed.
通过对有限元模型进行模态分析和机电耦合分析，探讨了定子换能器的固有频率和定子结构尺寸以及两者之间的关系。
Through simulative analysis of finite element model and mechanical-electric coupled, the natural frequency of stator energy converter and stator's dimensions and their relation were discussed.
当系统具有重频或近频耦合模态时，常规的矩阵摄动法失效。
The ordinary matrix perturbation method fails to deal with the structural system of repeated or closed frequency modes.
针对高方平筛和其上固结的柔性吊杆组成的动力学系统，进行了刚柔耦合的动力学建模和振动模态分析。
The rigid-flexible coupling dynamics' modeling and modal analysis were employed to study the system consisted of square plansifter and flexible suspender.
采用假设模态法建立耦合控制方程。分析系统的颤振临界流速随间隙和板厚的变化规律。
Coupling control equation of system was presented based on assumption method and change tendencies of critical velocity for flutter with both gap and the thickness of beam were discussed.
提出了机、电、声三相耦合的噪声智能控制系统的模态控制方法，给出了模态控制器的设计方案。
A modal control method and controller design scheme for intelligent mechanically electrically acoustically coupled noise control system is proposed.
结果表明：准两年振荡是线性海气耦合系统中的最不稳定模态，且只有该模态类似于ENSO水平结构。
Results show that the quasi biennial (QB) oscillation is the most unstable mode of the linear coupled air sea system and only the QB mode displays ENSO-like horizontal structure.
将一类平面磨床主轴系统简化为耦合双弹性梁结构，用模态综合法建立其动力学模型。
Let the spindle system of a kind of plane grinding machine be simplified to a structure of coupled double-elastic beam and using modality synthetic method to establish its dynamic model.
[11]税永波。排气消声器耦合模态分析及声学应用 [J]。农业装备与车辆工程， 2015， （3）：18-21。
SHUI Yongbo. Exhaust Muffler Coupled Modal Analysis and Application of Acoustics[J]. Agricultural Equipment & Vehicle Engineering, 2015, (3): 18-21.
当前线性模态声音模型与它们的频率成分紧密耦合，因此物体表面的模态振动和由此产生的声音辐射取决于振动频率。
Current linear modal sound models are tightly coupled with their frequency content. Both the modal vibration of object surfaces and the resulting sound radiation depend on the vibration frequency.
其次建立该整车的刚柔耦合动力学模型，并进行越野路、强化路等路面的整车动力学仿真，得到相应的模态位移时间历程；
Secondly, the whole vehicle rigid-flexible coupling modal equipped with the frame is built and analyzed to obtain the load histories through driving on cross-country path and strengthen-road .
其次建立该整车的刚柔耦合动力学模型，并进行越野路、强化路等路面的整车动力学仿真，得到相应的模态位移时间历程；
Secondly, the whole vehicle rigid-flexible coupling modal equipped with the frame is built and analyzed to obtain the load histories through driving on cross-country path and strengthen-road .
应用推荐