模态分析

基于ANSYS的减速电机斜齿轮模态分析

The Modal Analysis of Helical-Gear in Geared-Motor Based on the ANSYS

基于ANSYS的弹性车轮模态分析

The modal analysis of the resilient wheel base on ANSYS

基于ANSYS的耐冲击性客车车体模态分析

Modal Analysis for the Crashworthy Passenger Train Based on ANSYS

基于ANSYS的凸轮机构振动模态分析

Anlysis of Sympathetic Vibration and Model State for Cam set Based on ANSYS

基于ANSYS的压气机盘模态分析

Based on ANSYS modal analysis for gas compressor disc

并通过ANSYS模态分析验证所选换能器以及变幅杆的可行性。

Through ANSYS model analysis to verify the feasibility of horn . 2 .

第2部分.给出了网架固有振动频率的拟夹层板法算法和ANSYS模态分析算法。

Part 2 . Equivalent sandwich plate and ANSYS modal analysis are used in the calculation of free vibration .

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 .

基于ODS与随机子空间的模态分析研究

Modal Analysis Based on ODS and Stochastic Subspace Identification

基于结构实验模态分析及频谱分析技术，针对国产MG牌吉它进行了结构固有振动特性、弹奏声频谱特性的研究。

Based on the experimental modal analysis ( EMA ) and spectrum analysis , the dynamic characteristics and sound spectrums of the MG guitar , made in China , are studied .

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 .

结合使用经验，总结了基于通用有限元软件ANSYS进行瞬态动力分析、模态分析、谱分析等动力分析的有关问题及解决方法，可供使用ANSYS的工程技术人员参考。

Based on practical experience , the paper summarizes such problems as transient dynamic analysis , mode analysis and spectrum analysis and their solutions to be used by ANSYS engineers for reference .

建立了粘弹材料盘式制动器摩擦片振动的有限元模型，并模拟实际工况，利用Ansys软件对不同粘弹性的摩擦片进行模态分析。

Second , with the actual working conditions simulated , the finite element vibration model of disc brake-shoe is established . And the vibration of brake-shoes in different viscoelasticity materials are analyzed by ANSYS .

本文简述了结构的模态分析及其方法，并在ANSYS环境下编制了梁板集中质量系统的模态分析程序。

The present paper gives a brief introduction to the modal analysis of structure and its method . Under ANSYS environment , the author writes out a modal analysis program for beam-plate-concentrated mass system .

本文利用SuperSap91微机版工程分析软件，对某高速柴油机曲轴进行了有限元计算模态分析，获得了其前五阶模态参数；

The finite-element modal analysis on the crankshaft of a high speed diesel engine are conducted with the computer version of the SUPER SAP 91 engineering analysis software and the first five orders of modal parameters are obtained .

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 .

最后，本文对供水系统实验模型进行工作模态分析，得出了系统的频域ODS和工作模态参数。

Based on the operating modal analysis of the experimental model of piping system , the frequency domain ODS and the operating modal parameters are obtained .

最后，利用已开发的系统建立了屏蔽盒类机箱整机和单个模块的CAE模型，分别进行了模态分析、瞬态分析和随机振动分析。

Finally , the CAE models of shield box and single module are established with developed system , and modal analysis , transient analysis and random vibration ( PSD ) analysis are executed .

首先，建立空间分析模型，运用ansys对模型进行模态分析和谐响应分析，求得各点的振幅，进而求出动态弹性模量。

Firstly , set up the space analysis model , carry on mode and harmonious analysis to the model with ansys , try to get the amplitudes of each point , and then calculated the dynamic modulus of elasticity .

对用于滑动轴承油膜压力测量的应变式压力传感器进行了改进设计，利用有限元分析软件ANSYS对其进行了分析，包括静力分析和模态分析。

The strain transducers used to measure oil film pressure of journal bearings were improved . The software of finite element analysis ANSYS was used to analyze the characteristic of the transduces , including static analysis and modal analysis .

采用SAP2000（R）有限元程序进行原型结构与模型结构的模态分析，计算结果与现场实测结果及试验结果基本吻合。

Modal analysis of prototype structure and model structure are performed with SAP2000 ~ ? , and the calculation results show agreement with the results of field measurement and model test .

首先利用ANSYS程序建立了永安桥的动力计算模型，通过模态分析得到该桥的动力特性。采用标准反应谱作为输入的谱曲线，分别考虑了纵向、横向、竖向输入下该桥的地震响应。

Firstly , the dynamic calculation model of the Yong-an Bridge is developed with ANSYS and the dynamic properties are obtained through modal analysis during which the standard seismic response spectrum is inputted from longitudinal , transverse and vertical direction respectively .

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 .

基于结构有限元分析软件ANSYS得到的结构位移模态分析数据，针对具有不同损伤状况的悬臂梁进行了结构曲率模态分析。

The curvature modes of a cantilever beam with two types of notch are derived from its displacement modes obtained by finite element analysis using software ANSYS . Caused by damage , the change of natural frequencies and displacement modes is small .

为了避免反复计算矩阵的特征值从而节约大量的计算时间，在对电子机柜机架进行有限元分析的基础上，利用ANSYS的模态分析结果对整体机架结构参数的灵敏度进行分析，并结合实例分析计算。

To avoid repetitively calculating matrix eigenvalue , this paper uses modal analysis result from ANSYS to sensitivity analysis of the frame structural parameter , which is based on the finite element analysis of the electronic cabinet frame , and gives an example .

利用ANSYS软件对斜拉桥索、梁和塔进行模态分析，确定了斜拉桥前20阶频率，得到振动模态图，求得了整个系统的动力响应，以此来评价整个系统的振动特性。

The former 20 order frequencies of cable-stayed bridge are determined by analyzing the stay-cables , beams and tower via ANSYS software . The vibration modal figure and the dynamic response of the whole system have been obtained , so the whole system vibration characteristics can be evaluated .

运用模态分析方法，系统分析了服装剪裁机（型号FJM102）的动态特性。

Dynamic behavior of the cloth-cutting machine ( Model FJM102 ) was investigated by using the modal analysis .

为了避免机械加工装配所导致的传感器结构误差对其精度造成影响，又设计制造了用于标定实验的标定台。最后，采用有限元分析软件Ansysworkbench对传感器进行模态分析和瞬态动力学分析。

In order to prevent the error caused by processing and assembly impacting the sensor precision , the calibration base for this six-component force sensor is designed and manufactured . Finally , modal and flexible dynamic of sensor are simulated by the software of ANSYS Workbench .

工作模态分析（OMA）法无需外加激励，仅依靠机械结构工作状态下的振动响应信号提取结构模态参数。

Operational modal analysis ( OMA ) is without additional excitation . This is only relied on the state response signal to extract structure modal parameters of the mechanical structure and more close to actual situation .

以兰渝铁路线上的渭河沟拱桥为例，运用Midas软件建立了其有限元模型，并进行了模态分析和动力时程分析。（3）减隔震装置的选取。

Taking the Wei-he-gou arch bridge on Lanzhou-Chongqing Railway as example , this paper creats F.E.M model based on MIDAS to conduct modal analysis and dynamic time-history analysis . ( 3 ) Choice of seismic reduction and isolation device .