通过所建理论模型及铣削试验讨论了铣削过程中强迫振动、颤振的产生条件及特点。
Through the theoretical model and milling experiment they discuss the condition of producing forced vibration and chatter in milling process and the chatter characteristics.
节段模型风洞试验是研究涡激共振风速锁定范围和最大振动幅值的一种重要手段。
Wind tunnel test of sectional model is an important means for determining lock-in region of wind speed and maximal amplitude of vortex-excited resonance.
经管路模型试验和水泵机组试验证明，这两种隔振垫可使管路系统振动加速度级明显下降。
Through piping model test and pump unit trial it is shown that with the two types of isolating shims the vibration acceleration of the piping system can be reduced evidently.
仿真结果表明，空台正弦扫描试验仿真得到的台面各节点加速度幅值与试验结果比较接近，所建立的模型可用于试件振动台试验仿真。
The results indicate that the simulation results are close to the experimental ones that the modal can be used for simulation of vibration test with attached structural members on it.
通过模型梁试验，建立起简支梁在附加荷载作用下振动特性与破损模态之间的关系。
Through the test of model beam, we build the relationship between characteristics of vibration with attached load and its damaged mode.
利用杆件结构有限元动力分析计算，并通过模型梁试验，建立起简支梁在附加荷载作用下振动特性与破损模态之间的关系。
Through beam structure finite unit dynamic analysis and experiment of RC model beam, we build the relationship between beam bridge attached load vibration characteristics and damaged model.
采用模型模态试验方法对汽轮发电机组框架式基础的振动特性进行了研究。
In this paper, the vibration characteristics of frame foundation for steam turbine generator set is performed by model modal test method.
对海底饱和砂土发生液化时，埋于其中的管道运动规律进行了探讨，利用振动台上进行了模型试验。
The movement manner of pipeline buried under saturated sandy soil is studied, when soil is liquefied, by making model test using vibration bench.
采用模型模态试验方法对汽轮发电机组框架式基础的振动特性进行了研究。
In this paper, the vibration characteristics of frame foundation for steam turbine-generator set are performed by model modal test method.
文章提出了一种利用模态参数和由振动试验数据求得的频响函数来进行模型修正的方法。
This paper presents a synthesized model updating method using the modal parameters and frequency response functions(FRF) extracted from the vibration test data.
模态试验和仿真计算的对比分析结果表明，所建立的白车身有限元模型较好地反映了原结构的振动特性。
The contrastive analysis of modal test and simulation computation show that the finite element model of body-in-white has well represented the vibration characteristics of the original structure.
利用INV306型智能信号采集和处理分析系统对振动机构进行模态验证试验分析，以确定仿真模型和分析数据的正确性。
The modal experiment analysis on vibration mechanism will be completed by INV306 intellectualized signal collection and process analysis system for validating the finite element analysis model.
基于轿车橡胶支承振动试验数据分析和处理，提出了模拟橡胶非线性迟滞特性的数学模型。
A mathematics model of simulating rubber nonlinear hysteresis characteristics is advanced based on the analysis and disposal of cars' rubber supporting vibration test data.
本文试验研究了三个加肋圆柱壳模型的振动相似性。
This paper investigates experimentally the vibrational similarity among three models of stiffened cylindrical shells.
本文在大量动态直剪试验的基础上，建立了散体在振动场作用下剪切试验的几个力学模型。
Based on a large number of dynamic shear tests, several mechanical models of dynamic shear test of bulk materials have been established in this paper.
模型相似设计是确保振动台试验能够尽可能真实地反映原型动力性状的关键之一。
The design of scale model is one of keys to insure that shaking table test can really reflect the dynamic characters of prototype.
为了获得模型的柔度特性、频率、阻尼等进行了脉动试验、自由振动、锤击试验等。
The model was subjected to pulsation, vibration, free vibration and hammering tests in order to investigate its flexibility, frequency and damping characteristics.
利用所提分析模型对振动台试验模型进行了弹塑性时程分析，计算结果与试验结果吻合良好，验证了分析模型的正确性。
Analytical results of elastoplastic time history analysis correlated very well with the experimental results of the shaking table test, proving the validity of the proposed model.
在振动台上进行拱坝动力模型试验时，设置人工阻尼边界，以模拟地震时地震动能量向无限远域地基逸散的地基幅射阻尼效应。
Artificial damping boundary is adopted in seismic model test of arch dam on shaking table to simulate the radiation damping effect due to energy dissipation in infinitive foundation.
本文对主梁的颤振导数识别，采用与主梁颤振分析试验相同的节段模型和测量装置，以自由振动法进行试验。
This paper makes use of free vibration method, using the same model and measuring device to identify the flutter derivatives of the girder.
通过系列振动台模型试验，研究土-结构相互作用对结构TLD减震控制影响。
The effects of soil-structure interaction(SSI) on TLD's performance to suppress the seismic responses of structures are studied by a series of shaking table model tests.
并通过模型试验进一步证实该船振动的成因主要是由于螺旋桨在不均匀流场中运转时产生的激振力所致。
It is verified by means of model test that the ship vibration is caused by the propeller-excited force, which is generated by the propeller running in the non-uniform stern flow field.
本文讨论砌体房屋模型振动台试验中模型设计、加载方法及试验中的其他问题并提出解决途径。
On shaking table tests, some problems with model design, loading method and others of masonry houses are discussed and solutions of them are given in this paper.
阐述了一些典型的试验分析与研究成果，包括橡胶隔震支座力学性能试验与隔震房屋振动台模型试验的成果；
Some typical testing analysis and researches, including the mechanical tests for rubber bearings and the shaking table tests for structural models with isolation system were provided herein.
针对框架结构振动主动控制模型误差较大的特点，通常采用试验模态数据来修正计算模型。
Aimed at the characteristic of bigger error existed in active vibration control model of frame structures, experimental modes data are usually used to modify calculating model.
计算结果表明试验模型结构振动位移的减小主要取决于压电陶瓷驱动器所引起的结构阻尼变化。
Calculating results show that the reduction of vibration displacement is mainly due to the structural damping variety caused by PZT actuators.
本文在动力相似关系的分析基础之上，设计了一种以锯末为主要成分，用于地基-基础-上部结构动力相互作用振动台试验的模型土。
On the basis of dynamic similitude analysis, a model soil which is mainly composed of sawdust and aimed to be used in the shaking table test of the soil-foundation-structure system is designed.
通过建立大型回转轴承装置的振动模型，以大量的试验数据为依据，提出了一套从试验条件与参数的选取到最后分析结论判定的系统方法。
Based on the vibration model and testing data, the paper provides a systematic way to not only the choice of testing parameter but also drawing the conclusion.
通过建立大型回转轴承装置的振动模型，以大量的试验数据为依据，提出了一套从试验条件与参数的选取到最后分析结论判定的系统方法。
Based on the vibration model and testing data, the paper provides a systematic way to not only the choice of testing parameter but also drawing the conclusion.
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