A united solution procedure for eigenvalue perturbation problem in structural vibration analysis of continuous systems is proposed with the aid of operator operation.
将离散系统振动分析中的通用的矩阵摄动法推广到连续系统。 采用弹性结构理论算子，对连续系统的振动特征值摄动问题进行统一描述。
The extended transfer matrix of the structural vibration analysis is derived by using the expansion to the transfer matrix to solve structural dynamic characteristic analysis.
对求解结构固有频率的传递矩阵进行扩阶，推导了链式机械系统振动分析的扩阶传递矩阵算式。
Thus, the safe operation and prolongation of the service life urgently motivate the research on the structural vibration analysis, health diagnosis and safe assessment for submarine pipelines.
因此，采用有效的技术手段对海底管道进行结构分析、监测诊断以及安全评价具有重要的理论意义和实用价值。
Missile carrying on the wing tip causes the wing structure design and analysis to face many challenges, such as structural vibration response and aeroelastic response.
飞机机翼挂装翼尖导弹对机翼结构设计和结构分析提出了诸多全新课题，如结构的振动响应和气动弹性动响应。
The test and analysis shows that this type of control system is capable of lessening structural vibration response efficiently.
试验与分析表明，所提出和研制的半主动控制系统能够有效地减小结构的振动反应。
In this paper, the research of structural dynamic analysis, the optimization of active bars placement and the active vibration control for piezoelectric structure are studied.
本文针对随机参数压电智能桁架结构开展了结构动力分析、主动杆优化配置和结构振动主动控制研究。
The vibration mechanical model of gantry and bridge crane is established by means of structural analysis.
通过对门桥式起重机的结构分析，建立了其振动力学模型。
Using the structural analysis software STAAD/CHINA2004 to analyze and assess the effects of vibration, and provide the basis for detail design.
运用结构分析软件STAAD/CHINA2004进行分析处理并评估减振效果，并为详图设计提供依据。
Structural FE analysis on an integral bus is performed, in which optimal design of multiple performance objectives of structural strength, vibration modal frequency and mass is researched.
对某全承载式大客车进行了结构有限元分析，研究了该客车结构强度、振动模态频率、质量等多个性能目标的优化设计问题。
Reducing the order of a large structural finite element model is important in improving the efficiency of finite element analysis in the field of structural dynamics and vibration.
对大型复杂结构振动有限元模型进行减缩降阶，是使结构有限元模型可有效地用在结构动力分析和振动计算方面的一个重要措施。
The constrained matrix equation problems have been widely used in many fields such as structural analysis, control theory, vibration theory, nonlinear programming and so on.
约束矩阵方程问题广泛地应用在结构分析、控制论、振动理论、非线性规划等许多领域，关于约束矩阵方程问题的研究有着重要的理论和应用价值。
Through the structural design and mechanical analysis, the formula of the lateral vibration frequency and excitation force has been obtained.
通过结构设计和力学分析，得出了该工具横向振动频率和激振力公式。
The damping expression of structural vibration for rock mass is given by dimensional analysis, and the damping ratio can be obtained through vibration test.
通过量纲分析的方法给出了岩体结构振动的阻尼表达式，指出可以通过岩体的振动实验确定阻尼比，并进而给出特征时间。
Wind speed time series obtained with numerical simulation methods are adopted in structural analysis of wind-induced vibration.
基于数值模拟方法的风速时程曲线在桥梁结构风振分析中被广泛采用。
The dynamic stiffness method is exact for structural free vibration analysis.
在结构自由振动分析中，动力刚度法是一种精确算法。
Then modal analysis is performed by using finite element method. In this way, the relations between parameters and structural vibration frequency are figured out by parameter analysis.
利用有限元计算软件进行了结构模态分析，通过参数分析找到了各参数与结构振动频率之间的关系。
Based on modal synthetical method and experimental modal analysis, the main parameters of dynamic vibration absorber on a cantilever plate and on a structural model are optimized in this paper.
本文运用模态子结构综合法进行结构动态计算和用实验模态分析法进行模型试验，对悬臂平板和结构模型的动力吸振器主要参数进行了比较系统的优化研究。
Meanwhile, the modal analysis is used to test the detection arm's natural frequency and structural vibration modes, which provides a reference for the stability test of the bridge inspection vehicle.
同时对检测臂进行了模态分析，测出了其固有频率和结构振型，为检测车工作时的稳定性要求提供了参考。
In this paper, the alternate iteration method is used in static analysis of cable truss hybrid structural system, and the simplified non damping free vibration equations have been drawn.
本文采用交替迭代法分析索-桁结构体系，并导出了这种杂交结构无阻尼自由振动的简化方程，通过算例分析得出了一些对实际工程有益的结论。
It is found that the first vibration mode is vertical by the dynamic analysis and the structural response are in the al...
通过动力分析可以发现，结构的第一振型为竖向振动，动力分析结果也满足抗震要求，说明结构形式是合理可行的。
It is significant that the results of the theoretical analysis can explain the vibration behavior of the system and guide the structural design of the system in practical engineering.
本文的分析结果对实际工程振动分析和设计具有一定的理论指导意义。
It is significant that the results of the theoretical analysis can explain the vibration behavior of the system and guide the structural design of the system in practical engineering.
本文的分析结果对实际工程振动分析和设计具有一定的理论指导意义。
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