振型

并对高振型的影响进行了探讨。

Discussing the influence of high class mode of vibration on the structure .

最后识别出该桥梁的振型、频率和阻尼比。

And identify the mode of vibration , frequency and damping ratio of the bridge at last .

PATRAN/NASTRAN建立了Hα与白光望远镜的有限元模型，采用特征向量法求得前四阶固有频率和振型。

PATRAN / NASTRAN , and the first several orders of natural frequencies and modal shapes are calculated with eigenvectors method .

用有限元分析软件ANSYS对四分压电陶瓷管进行模态分析，得出该陶瓷管的前12阶谐振频率和模态振型。

Using the ANSYS software of finite element , modal analysis is executed and twelve steps harmonic frequency are obtained .

进而利用比较成熟的结构分析软件ANSYS对管系进行了模态分析，得到系统的低阶固有频率和振型。

The mode analysis was processed with current structure analysis software ANSYS . The lower natural frequency and vibrant model were counted .

本文建立了某型立铣床床身的三维有限元模型，并利用大型有限元分析软件ANSYS进行了模态分析，得出了床身前十阶固有频率和振型。

The paper establishes the3D finite element model of a lathe-bed and calculates the result of vibration model analysis of it in ANSYS .

再次，使用ANSYS有限元软件计算分析了硬盘驱动器致动器悬架和硬盘驱动器整体的模态，得到了硬盘振动的固有频率和模态振型；

Thirdly , the mode of HDD and its suspension are calculated using ANSYS , the natural frequency and modal vibration shape are obtained in the form of animation .

为解决某国产轿车的强烈的车内噪声，进行了该轿车的空腔声学模态分析，使用ANSYS有限元分析软件得到其声学模态频率和振型。

With the help of ANSYS finite element analysis software , the acoustic pressure response cavity of a homemade passenger car with acoustic fluid - structural coupling has been studied .

以钢筋混凝土框架结构的各阶振型作为结构的侧移形状，将结构等效成N个弹性单自由度体系，使用直接基于位移的抗震设计方法对弹性体系进行设计。

Each order vibration mode of reinforced concrete frame had as lateral shape , the frame transformed N equivalent elastic SDF systems , a direct displacement-based seismic design method considering effect of multi-mode is proposed to elastic systems .

采用ANSYS有限元软件对茅草街钢管混凝土拱桥的振动频率及振型进行了分析，并讨论了主要结构参数对其动力特性的影响，为本桥的动力设计提供参考。

The ANSYS software is utilized for calculating the vibrating frequencies and vibration shapes and discussing the effect of major structural parameters on dynamic characteristics for the dynamic design of this bridge .

对PC轨道梁锚固螺杆监测调整系统的滚珠丝杠和运动座在实际约束状态下进行固有振动特性分析，得出其前10阶模态的固有频率和振型。

Analysis on natural vibration characteristic of ball screws and kinetic bases in the mechanical system is carried out in condition of physical constraint , and their ten lowest natural frequencies and mode shapes are obtained .

针对某125摩托车局部振动比较严重，采用有限元分析软件ANSYS，对该款车架进行了结构模态分析，得到车架固有频率和振型。

In view of the locally severe vibration of a 125 motorcycle , the paper makes a structure modal analysis with ANSYS to get the natural frequency and the vibration mode of the frame .

利用ANSYS建立接触网的有限元模型，通过有限元模态分析得到刚性悬挂接触网自由振动的频率及振型，并从模拟计算结果中分析了刚性悬挂的一些动力特性。

By using ANSYS , the finite element model of the catenary is set up . The free vibration frequency and mode of the rigid suspension catenary is determined by means of limit element modal analysis .

针对某32层钢筋混凝土框筒结构，运用ANSYS软件，建立三维有限元模型进行了振型分析，得出了该结构的自振特性；

According to a 32-story reinforced concrete framed tube building , a three-dimension FEM model is built up by using software ANSYS . The free-vibration characterstic of the structure is obtained by performing vibration mode analysis .

利用数值迭代法给出了TLD最优参数设计表格，并分析了振型参与系数的影响，为TLD设计提供了参考。

The design tables about TLD optimum parameters are given by using iteration . Effect of mode factors is considered on TLD optimum parameters .

对液压AGC系统油缸的固液系统结构振动频率和振型，进行了理论研究和有限元计算。

For solid and fluid system structure vibration natural frequency and its mode shopes of hydraulic AGC system capsule , a theoretic analysis and calculation with finite element method have been done .

3建立三点悬浮式橡皮滚筒的有限元模型，用BlockLanczos方法计算滚筒的固有频率、最大振幅和振型等参数，以确保印刷机的在高速运转时平稳工作。

Build finite element model of the float blanket cylinder structure and calculated the lower 4 inherent frequency of the structure with Block Lanczos method to ensure the cylinder work smoothly at high speed .

根据选择的优化准则，得到了不同结构振型参与系数的TMD最优参数和控制效果，并给予评价。

In light of the criteria , numerical results for the optimum parameters and effectiveness of TMD with respect to the different structural modal participation factors are presented and evaluated .

因此用ANSYS对栅网在高温工作状态下进行单独的热分析和动力学模态分析，可以了解其热形变、振型和固有频率，以便在设计中避免共振等不可靠因素的发生。

Through the thermal analysis and the dynamic modal analysis of grid with the ANSYS software under high temperature working condition , we can get the inherent frequency , vibration model , and the thermal distortion , which can avoid sympathetic vibration .

根据振型降阶技术，导出了设置调谐质量阻尼器（TMD）MDOF结构的位移和加速度动力放大系数（DDMF/ADMF）。

Employing the mode reduced-order technique , the displacement and acceleration dynamic magnification factors , denoted by DDMF / ADMF , are derived for an MDOF structure with a TMD attached .

结果表明，多维ARX模型适合于高层结构在线识别，特别适用干结构振型的识别，具有很强的抗噪声能力。

Imitation analysis results show that the multiple ARX model with the characteristics of anti-noisy is suitable for the high-rise building identification on line , especially for the structure vibration curves .

基于Lagrange方程，考虑高层和钢塔基本振型，建立塔、楼体系耦合振动方程。

After the fundamental modes of the tall building and the tower have been considered , the second Lagrange equations have been applied , the simplified vibration equations for the coupling system of the building and the tower are derived .

使用频域分解技术（FDD）和时域随机状态子空间辨识技术（SSI）分别从加速度响应数据提取了堆垛机的工作模态参数，包括固有频率、阻尼比和模态振型。

These techniques include Frequency Domain Decomposition ( FDD ) and Stochastic Subspace Identification ( SSI ) . Vibration testing and modal analysis of a lane stacker under operational conditions were taken .

本文以F3精轧机为研究对象，建立了主传动系统和轧机机架系统的力学模型、数学模型，运用MATLAB软件计算出来两系统的固有频率和轧机机架的主振型。

The mechanics model and mathematical model of main transmission system and rolling mill system was established . The natural frequencies of the two systems and the main vibration modes of the mill housing were calculated by using MATLAB software .

主要介绍基于固有频率、位移振型、曲率模态振型、应变模态振型的损伤识别技术和BEE法，分析其各自的优缺点。

The technologies of structure damage detection based on nature frequency , displacement mode shape , curvature mode shape , strain mode shape and BEE are mainly demonstrated and the advantages and disadvantages of ways and means mentioned above are analyzed .

结果表明，TLD能有效地减小第一振型的位移共振反应；在地震激励下，TLD减小峰值反应的效果不十分显著；

The experimental results show that the TLD is very effective in suppressing the first mode displacement resonance response while the efficiency of TLD on suppressing the earthquake peak value response is not significant .

利用PRO/E和ANSYS软件，建立了整体的螺杆转子动态特性分析模型，对螺杆转子进行了动态特性分析，得到转子的固有频率和振型。

By means of the analytical geometry method . By using PRO / E and ANSYS software , the whole screw rotor dynamic analysis model is established , the dynamic character of the screw rotor is analyzed and the natural frequency and mode of the rotor are obtained .

从振动模态分析理论入手，采用ANSYS有限元分析软件计算了微波幅度均衡器的前8阶振动频率和振型，分析了均衡器产生机械失效损伤的应力分布。

Based on the theory of vibration modal analysis , up to 8 natural vibration frequencies and their mode shapes were calculated with ANSYS finite element analysis software . Their stress distributions of some modes , where micro-crack are formed easily to make microwave equalizer invalidation , were analyzed also .

介绍了用I－DEAS程序的结构动态分析功能对水轮机座环进行动态分析，得到了座环的整体固有频率、振型及模态应力。

Dynamic analysis of stay ring for hydraulic turbine was made with I-DEAS dynamic analysis function . The nature frequency model shapes and model stresses of the whole stay ring were obtained .

运用MSCADAMS/View建立某轿车整车多体动力学模型，对动力总成悬置系统进行匹配设计，以满足频率合理分布、模态振型解耦、限位等诸多设计要求。

The powertrain mount system matching design of a passenger car is focused on using MSC Adams / View full vehicle multi-body dynamic model to meet a series of design criterion such as modal frequency distribution , modal shape decoupling and mount displacement limitation .