normal modes是什么意思

网络释义

用法例句

And the generalized force spectra were deduced from deriving the method of the first mode and generalized force spectra of higher modes by mode shape corrections of generalized force spectra.

基于高频底座测力天平风洞试验数据得到了格构式塔架顺风向一阶振型广义荷载均方根系数和广义荷载谱解析模型,并从修正线性振型广义荷载谱的角度推导了一阶振型广义荷载谱修正方法和高阶振型广义荷载谱表达式,进而利用推导得到的广义荷载谱,计算了3种典型格构式塔架气弹模型的顶部加速度均方根响应,通过将计算结果和气动弹性模型风洞试验数据对照,分析了振型修正对风振响应的影响和高阶振型、气动阻尼对风振响应的贡献,并得到了若干结论。

The fluid-solid coupling modal analysis of G70B oil tank is done for light oil tank train under different kinds of loads and its natural frequency and modal shapes are obtained.

针对列车油罐因列车提速导致液固耦合作用突出的问题,运用ANSYS软件对轻型油罐车G70B型罐体的液固耦合模态响应进行实例分析和计算;建立车载油罐的液固耦合系统有限元模型;对轻型油罐车G70B型罐体进行在不同贮液比时的液固耦合模态分析,得出固有频率和模态振型图。

Regarding the reinforced concrete damaged beam as the research object considering the nonlinear stress-strain relation of concrete based on Euler-Bernoulli beam and structure dynamics theory,through analysis of dynamic finite element,the natural frequency and modal shape in various kinds of damage states were obtained,and the effect of crack on dynamic characteristic was studied.

以钢筋混凝土梁为研究对象,基于Euler-Bernoulli梁理论和结构动力学理论,考虑混凝土的非线性本构关系,通过空间动力有限元分析,得到不同裂纹状态下梁的固有频率和模态振型,研究裂纹对简支梁振动响应的影响。

This paper takes a type gas turbine rotor as an example to analyze its natural frequency and modal shape.

介绍了某型燃气轮机转子模态试验,试验测得转子静态固有频率和模态振型。

The critical speed and mode shape of the system were calculated.

以自主研制的磁悬浮转子系统为研究对象,运动拉格朗日方程建立了系统的动力学方程,通过Matlab编制相应程序计算了系统在不同支承条件下临界转速及模态振型,计算得到转子在无支承条件下的一阶临界转速为75 Hz,控制作用下的一阶临界转速为110 Hz。

The change of flexibility matrix contained in the crack beam structure is discussed; based on the wavelet-transform analysis with different mode shape functions, different rules of different mode shapes in the test of crack beam structure are summed up; wavelet transformation (with Gaus2 Wavelet) of the basic mode shape of a cantilever beam is carried out to detect cracks in the cantilever beam.

文章首先讨论了含裂缝梁结构的柔度矩阵的变化;其次,通过选择不同模态振型函数进行小波变换分析,总结了不同模态振型在梁结构裂缝检测中的不同规律;最后,文章以悬臂梁为例,选用Gaus2小波对悬臂梁基本振型进行小波变换,进而对悬臂梁中的裂缝进行识别,裂缝深度与Lipschitz指数进行拟合。

Investigation on the similarity of ponding and vortex flow in undistorted model;

正态模型泡漩水相似性研究

Computing the VaR based on the Delta-Gamma Normal Model;

基于DeltaGamma正态模型的VaR计算

classical normal linear regression model

古典正态线性回归模型

multiple normal linear regression mode

多重正态线性回归模型

Research Progress of Ecological Footprint Improved Models

生态足迹的修正模型研究前沿与动态

Base state with amendments spatio-temporal data model based on dynamic base state method

基于动态基态方法的基态修正时空数据模型

Estimation of Normal Inverse Gaussian Diffusion Using MCMC Method;

正态逆高斯扩散模型的MCMC估计

Regularization of Breit Quark Potential Model and Bound States of Mesons

Breit夸克势模型正规化与介子束缚态

REGULARIZED TOTAL LEAST-SQUARES SOLUTION TO ILL-POSED ERROR-IN-VARIABLE MODEL

病态总体最小二乘模型的正则化算法

Research on AR Model Order Determination in a Class of Non-normal Errors

一类非正态误差下的AR模型定阶研究

Research and Design of Temporal GIS Based on the Base State Amending Model;

基于基态修正模型的时态GIS系统的研究与设计

Dynamic Financial Volatility Model Based on Non-normal Distribution

基于非正态分布的动态金融波动性模型研究

PSO-dynamic modification algorithm based static load models identification

基于PSO-动态修正算法的静态负荷模型辨识

Then two modified models for CAPM were further analyzed-the model after revising unbiased estimation conditions and dynamically modified model.

并深入分析了capm的两个修正模型:无偏估计条件修正后的模型和动态修正模型。

A Bayesian Emendation Model for Claim Frequency Based on MCMC Method;

一种基于MCMC稳态模拟的贝叶斯索赔校正模型

Finite Element Model Updating of Complex Structure Using Component Mode Synthesis Technique

基于模态综合技术的结构有限元模型修正

ISOLATED SUBSTRUCTURE MODEL UPDATING BASED ON LOCAL MODE

基于局部模态的约束子结构模型修正法

A Simulation Study on the Multilevel Censored Normal Regression Model

关于多水平删失正态回归模型的模拟研究

A Portfolio Selection Model Conditional on Non-normal Stable Distributions:Mean-scale Parameter Model;

非正态稳定分布条件下的投资组合模型:均值-尺度参数模型