用直接滤频法计算结构的自振特性；
Structural properties of free vibration are computed by the directly filtering frequency method.
分析了环肋变厚度圆柱壳的自振特性。
The analysis for free vibration of ring-stiffened circular cylindrical shell with variable thickness was presented.
将机座和铁芯作为整体振荡系统，计算其自振特性。
When the stator frame and stator core are taking as a whole vibration system, its characteristic of free vibration can be calculated.
本文研究大长径比自旋弹箭在飞行时横向振动的自振特性。
The transverse self oscillation characteristics of a spinning rocket in flight was studied.
桥梁结构的自振特性是结构动力分析和抗震分析的重要参数。
The free vibration characteristic of bridge structure is the important parameter for the dynamic and seismic analysis of structure.
提出了根据建筑物的自振特性，判断建筑物受损状态的方法。
The method that to decide failing state of building, according to the dynamic characteristics, is suggested in this paper.
研究具有自旋角速度的细长弹箭在飞行时横向振动的自振特性。
The transverse self oscillation characteristics of a spinning rocket in flight is studied.
采用梁、板线性有限元数学模型计算了结构自振特性和地震响应。
Structural free vibration characterization and seismic response were calculated by means of beam-plate linear mathematical model of finite element method.
本文用有限元法计算了492型汽油机及其主要部件的自振特性。
In this paper, the vibration character of the spark ignition engine model 492 and its major components are calculated with the finite element analysis method.
系统分析了索膜结构自振特性与预应力、矢跨比、索初始应力等的关系。
The relationship between frequency and prestress, ratio of rise to span of tensioned cable and membrane structure are also studied.
惯性相互作用主要指地基质量的惯性对拱坝自振特性与坝体反应的影响。
The influence of the foundation mass on them is referred to as the inertial interaction.
本文主要研究了柱面空腹网壳结构的静力特性、自振特性和线性稳定性。
This paper studied mainly on static characteristics, natural vibration characteristics and linear stability of cylindrical vierendeel latticed shell.
本文用动力有限单元法对框架式结构自振特性基本规律进行了一定的研究。
In this paper, the basic relations of the natural vibration characteristics of framed structures have been studied by means of the dynamic finite element method.
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；
Analyzing structure self-vibration features and dynamic response (harmonic response) under the effect of hydro excitation load.
本文初步分析了薄膜结构与风环境的静力耦合作用对薄膜结构自振特性的影响。
There is an intense interaction between wind and fabric structures, which is a critical factor for the dynamic behavior of fabric structures.
计算了一条货船的自振特性，从而表明了本文中的理论和方法具有重要实用价值。
The free vibration character of a shallow draft ship is successfully calculated. The results show that the theory and method described in this paper are of important practical value.
本文首先叙述用两种方法(倾角变位法和角变位移法)分析水电站厂房的自振特性。
The analysis of free vibration of hydropower house by means of two methods are deformation of inclination Angle and slope deflection.
研究了附加质量的计算方法，分析了附加质量对水电站厂房支承结构自振特性的影响。
The calculation method of additional mass is investigated. The influence of additional mass on the dynamic characteristics of supporting structure is also obtained.
根据对自振特性的理论分析，结合工程检测实例分析了自振特性在桥梁检测中的应用。
According to the theory analysis and engineering practice, the application of natural vibration features in bridge inspection is introduced.
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。
Natural vibration and dynamic response on time dependent structure are analyzed, the equations of natural vibration and dynamic response are set up.
应用弦单元计算了自由悬挂系统的自振特性，进行了敏感性分析，并研究了动力响应。
In this paper the cord element method is used to study the sensitivity of the free vibration property and dynamic response of the free hanging systems.
对结构动力特性的分析表明其振动以竖向振型为主，几何刚度对结构自振特性影响很小。
The analysis on dynamic property of BSS show that the vertical vibration modes is primary, and the geometrical stiffness has little influence on the natural vibration characteristics.
本文通过动力有限单元法对管周围土压力的动力作用分布和管子的自振特性进行了某些探讨。
Using the dynamic Finite Element Method, the dynamic soil pressure distribution along the pipe periphery and the free vibration characteristics of the pipe are studied in this paper.
采用空间离散模型，计算重庆跨座式单轨交通线路袁家岗车站桥的结构自振特性及动力响应。
By spatial discretization model, the structural self-vibration property and the dynamic response of Yuanjiagang Station bridge on Chongqing straddle type monorail line was computed.
本文对这种由自平衡预应力结构单元拼装组成的大跨球面网壳进行了稳定性和自振特性分析。
The stability analysis and the dynamic characteristics analysis of a super spherical surface latticed shell assembled by self-balanced prestressed structural units is presented.
首先，按有限域内附加质量方法计算了不同水体宽度、不同水位高度等对结构自振特性的影响。
Firstly, the influence of width of water body and height of water level to vibration property of structure was calculated, according to the finite field addition mass method.
本文第四章首先对张弦桁架结构的自振特性进行了分析，对其自振频率和振型的特点进行了总结。
In this paper, the natural characteristics of TSS will be analyzed firstly, and then the peculiarity of its frequency and vibration will be summarized.
动载试验中，测试了该桥的自振特性，并进行行车激振试验，分析桥跨结构在行车时的冲击作用。
The natural vibration of the structure is tested, and the impact of the passing vehicles is analyzed under dynamical loads.
针对于多自由度线性复合随机结构的随机自振特性分析，提出了基于数论选点的直接模态摄动法。
The direct modal perturbation based on selecting point by number-theoretic method is proposed to find the random response of un-damping linear random structures.
为了进行更准确的抗风抗震分析，以及将来桥梁的健康检测，实验测量桥梁的自振特性是必不可少的。
For the advanced analysis and health monitoring of the bridge, the vibration characteristics of the structure must be measured.
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