对于抗震分析方法的研究主要围绕时程分析法和随机振动分析法。
Research work of seismic analysis methods is focused on time history method and stochastic vibration method.
提出了考虑轨道高低不平顺时进行车桥耦合系统垂向非平稳随机振动分析的新方法。
A new method for a vertical non-stationary random vibration analysis of vehicle-bridge systems subjected to track irregularity excitations is proposed.
提出了考虑轨道高低不平顺时进行车桥耦合系统垂向非平稳随机振动分析的新方法。
Nonstationary random vibration of vehicle systems with uniform variable speed is discussed in this paper.
利用有限元分析软件AL GOR FEAS对其进行了静态、自由振动和随机振动分析；
The analysis of static, dynamic and random vibration is carried out by using the ALGOR FEAS.
利用有限元对机柜分别进行了模态分析、随机振动分析和瞬态动力响应行为的分析和研究。
Then dynamic response of the enclosure structure is studied with the function of ANSYS for modal analysis, random vibration (PSD) analysis and transient analysis.
由计算结果可以看出，该方法对动力系统在时间相关荷载激发下的随机振动分析是十分有效的。
These results illustrates the effectiveness of the method to the problems related with excitations correlated in time domain.
结果表明，虚拟激励法在汽车随机振动分析中的应用和傅里叶分析方法同样有效，却简单得多。
The results show that in application to vehicle random vibration analysis, pseudo excitation method is as effective as Fourier analysis method but much simpler.
由计算结果可以看出，该方法对动力系统在时间相关荷载激发下的随机振动分析是十分有效的。
These results illustrates the effectiveness of the method to the problems related with excitations correlated in tim…
为了对载重车进行平顺性优化设计，本文首先对载重车进行了模态分析、谐响应分析、随机振动分析。
In order to make the optimal design of the ride performance, firstly, the modal analysis, the harmonic response analysis and the random vibration analysis are performed.
为获得各轮轴处轨道不平顺，用于列车-桥梁振动控制和随机振动分析，研究了轨道不平顺的模拟方法。
To obtain rail irregularity samples for train-bridge vibration control and stochastic analyses, a simulation method of irregularities at all axles of a train was investigated.
为了解决水轮机随机振动分析问题，采用了多级模态综合技术建立水轮机包括转动部件和固定部件在内的整机系统模型。
A multiple modal synthesis method was adopted to obtain governing equation for a whole hydroelectric generator system including rotary and fixed components.
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.
为了验证改进后托架结构的动力性能，本文建立了改进后的油泵托架的有限元模型，并利用该模型对改进后的油泵托架进行了模态分析和随机振动分析以及疲劳损伤计算。
In order to validate the dynamic characteristic of the improved fuel pump bracket, the new FEA model is set up and the modal analysis and the spectrum analysis are carried out.
本文讨论动力系统在相关多激发作用下的随机振动离散分析方法。
A discrete analysis. Method for random vibration of structures under the excitations correlated in time domain is discussed in this paper.
本文提出了大型抛物面天线结构风振响应分析的随机振动方法。
The random vibration method for the analysis of large parabolic antenna structure response to wind load is proposed in this paper.
在此基础上采用随机振动的离散分析理论，推导出结构响应均值和方差的递推式。
Based on discrete random vibration theory, recursive square equations to calculate the mean and standard deviation of response are developed.
本文用状态空间方法给出随机振动在时域分析中的一些研究成果。
This paper presents some results in random vibration analysis by state space method in time domian.
本文给出拖拉机-拖车系统结构动力特性与随机振动响应分析的实用计算方法。
In this paper, the methods of dynamic characteristic and random vibration response analysis for the structure of tractor-trailer system are presented.
基于随机振动的离散分析理论，推导出白噪声激励下结构动力响应的递推公式。
Based on discrete random vibration theory, recurrence formulas are developed to calculate the dynamic response of structures under white noise excitations.
作者首先对随机振动的统计特性、分析方法和控制实验作了简单介绍。
The statistic characters, analytic method and traditional experiment of a random vibration were introduced firstly.
为分析工程中各种导热系统的随机温度变化过程，应用随机振动的首次穿越理论对其进行了研究。
The first passage theory of random vibrations was employed to study the stochastic temperature variation of heat conduction systems in engineering.
考虑深海柔性张力腿平台的几何非线性特征，建立柔性平台结构非线性随机振动响应分析方法。
Considering the geometrical nonlinearity, a new method for the nonlinear random vibration of flexible Tension Leg Platform (TLP) is presented in this paper.
首先介绍空空导弹飞控舱环境应力筛选随机振动试验过程中出现振动过应力的情况，然后对出现振动过应力的原因进行了分析。
Firstly, the situation of excessive dynamic stress during vibration test of environmental stress screening for an air-air missile flight control cabin was introduced.
为对新型粘弹性履带式工程机械的动态特性进行分析，需建立“路面—履带式车辆—驾驶员”随机振动系统模型。
A random vibration system model of "road-crawler type vehicle-operator" is needed for the analysis of dynamic characteristics of new type viscoelastic crawler construction machinery.
概率性抗震分析方法中的随机振动虚拟激励法。
Seismic analysis of probability includes: the random vibration and the pseudo excitations method.
然后利用弹性波理论和信号随机调制理论，分析了多路随机振动互相作用。
Then the mutual affection of multi-pneumatic-hammers was studied using the theory of elasticity wave and random modulation.
应用随机振动理论进行闸门结构的随机振动响应分析。
With random vibration theory the random vibration response analysis for gate structures are conducted.
采用反应谱法，时程分析方法以及随机振动方法分析了拱桥在一维和多维地震激励下的地震响应。
Through spectrum analysis, time-marching analysis and radom vibration analysis, the seismic performance of arch bridge under one-dimension and multi-dimension excitation has been analyzed.
采用反应谱法，时程分析方法以及随机振动方法分析了拱桥在一维和多维地震激励下的地震响应。
Through spectrum analysis, time-marching analysis and radom vibration analysis, the seismic performance of arch bridge under one-dimension and multi-dimension excitation has been analyzed.
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