Thirdly, assuming blasting seismic acceleration history is stochastic process, stochastic vibration response of structure is analyzed theoretically.
第三，将爆破地震动加速度时程作为随机过程，对建筑结构物进行了随机振动反应理论分析；
The random vibration method for the analysis of large parabolic antenna structure response to wind load is proposed 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 effect of random wind load applied on the structure is simulated and calculated. And random wind vibration response of the structure is studied deeply.
模拟计算了施加于结构的随机风荷，并对结构的随机风振响应作了较深入的研究。
Mobility is an important concept for vibration isolation and vibration response characteristics of a structure can be represented essentially by its point mobility on its surface.
导纳是衡量结构动态特性的重要指标，任何结构的振动响应特性本质上都可以用结构表面各点的导纳来表示。
In this paper, the actual displacement of the structure foundation under blasting vibration stimulation is calculated at first, then, the response of structure by the displacement can be worked out.
文中的求解方法是先通过计算结构基础在爆破震动激励下的实际位移，再通过基础的实际位移来求解结构的响应。
So one-dimensional elastic wave and plate vibration response theory are mainly applied to study the structure and experiments are made to verify the validity of the theory.
所以作者主要是应用一维弹性波理论及板壳振动理论对局部噪声屏蔽进行理论研究，并用试验来验证理论分析的可靠性。
The predictions of vibration and response of object ship structure obtained by using analysis and calculation method described in this paper have good consistency with real ship testing results.
本文采用的分析计算方法对目标船结构振动及响应预报值，与实船试验数据具有很好的一致性。
The results show that the energy response has an important effect on the slipping isolator efficiency of the vibration characteristics of the structure.
结果表明，滑移隔震对于上部结构振动响应的隔震效果受能量方面的机理控制。
Vortex-induced vibration is limited amplitude response, but it occurs at low wind speed with relative large amplitude, which will affect the strength and fatigue resistance of the structure.
尽管涡振是一种限幅振动，但由于其发生风速较低，振幅相对较大，会影响结构的强度和疲劳，因此大跨度拱桥的涡振响应研究具有重要的意义。
Processing the response signals by using the random decrement technique, a unique corresponding to each mode is obtained, which represents a free vibration response of the structure.
应用随机减量技术对响应信息进行处理，相应于结构的每一振型可得到一条独特的随机衰减曲线，该曲线代表结构自由振动响应。
In this paper, using the information of the forced vibration response of the deterministic modal system, identification are made for the parameters of the stiffness and damping structure.
本文利用确定性模型系统的的强迫振动响应信息对系统的刚度和阻尼结构参数进行了认别。
Natural vibration and dynamic response on time dependent structure are analyzed, the equations of natural vibration and dynamic response are set up.
研究了时变结构的自振特性和动力反应，建立了随机时变结构的自振和动力反应方程。
The analysis result of random wind vibration response of the modified structure shows that the wind resistibility of structure has been obviously improved.
改进后的结构的随机风振响应分析结果表明结构的抗风能力得到明显提高。
Based on random vibration theory, the response of the structure under random wind load and the formula of wind vibration factor was developed.
笔者为此从随机振动理论出发，对点支式幕墙支撑结构的风振系数进行了研究。
Firstly, based on the vibration differential equation, the energy response equation of a structure under the earthquake excitation is established.
首先，本文利用单自由度结构运动微分方程，建立了结构在地震作用下的能量反应方程。
Control experiments are conducted on a space truss structure to show that the presented method is very effective in damping vibration response of the structure.
通过一个空间桁架结构的振动阻尼控制实验，结果表明该控制方法是有效的。
The natural frequency is a critical parameter of structure vibration; it is the foundation to investigate the dynamic response of composite beam.
而结构动力特性中的自振频率是反映结构自身特点的重要参数，是研究组合梁动力学问题的基础。
In this paper, the methods of dynamic characteristic and random vibration response analysis for the structure of tractor-trailer system are presented.
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。
The vibration of flying missile head is a subject of random vibration mainly. Calculating the random response is a major work of missile head structure and environment analysis.
弹头在飞行过程中的振动主要是随机振动，计算随机激励下弹头的响应是弹头结构强度和环境分析的重要任务之一。
The research difficulties of the vibration response on thin-wall structure excited by acoustic loads are also pointed out.
同时也指出了薄壁结构在声载荷作用下振动响应研究所面临的困难。
So, study on damage diagnosis and health monitoring of hydraulic structure based on vibration response by discharge flow has practical significance for discharge flow structures.
因此，开展基于泄流振动响应的水工结构损伤诊断与健康监测研究，对于保障泄流结构安全运行具有重大的现实意义。
What's more, the mechanism and calculation method of across-wind vibration of high-rise structure is expounded. The vortex-excited resonance response of the tower is calculate.
对高耸结构横风向振动的机理和计算方法进行了阐述，计算了观光塔结构的涡激共振响应。
Besides, it adopts multipolar slotless electric machine structure to increase response speed of the vibration mirror electric machine.
此外，通过采用多极无槽电机结构提高了振镜电机的响应速度。
Structure vibration response caused by blasting vibration is one of the important problems of blasting vibration effect.
在爆破震动作用下的结构震动响应是爆破地震效应研究的重要课题之一。
Then dynamic response of the enclosure structure is studied with the function of ANSYS for modal analysis, random vibration (PSD) analysis and transient analysis.
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。
With the random vibration method, the response spectrum of structure under the earthquake action of level axis directions are obtained.
利用随机振动方法分析了钢筋混凝土框架结构的水平随机地震激励下结构响应的功率谱。
Dynamic optimum design method can optimize the platform structure form in order to reduce the response of platform under vibration force.
采用动态设计可以合理优化平台结构形式，达到降低平台动力响应的效果。
Analyzing structure self-vibration features and dynamic response (harmonic response) under the effect of hydro excitation load.
分析了厂房结构的自振特性和水力激振载荷作用下的动力响应（谐响应）分析；
Evaluation results show that in the response analysis of structure to wind-induced vibration, the effects of SSI on the wind responses are not always conservative.
计算结果表明：在结构的风振响应分析中，考虑SSI并不总是安全的。
Through the response evaluation of frame structures to wind-induced vibration, the effects of soil-structure interaction (SSI) on the responses of the structures are illustrated.
通过框架结构的风振响应计算，说明土-结构相互作用(简称ssi)对结构风振响应的影响。
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