inherent vibration 中文意思是什麼
inherent vibration
解釋
固有振動-
With dynamical modal analysis of electron gun by use of ansys software, we can get the inherent frequency and vibration model, which can avoid sympa - thetic vibration
利用ansys軟體對電子槍進行動力學模態分析可以得到電子槍的固有頻率和振型，從而在結構設計上避免共振。 -
According to results of calculations and experiments, main causes that contribute to vibration are founded, then puts forward improving measures of adding deflexed supporting and suspending nogs and making pipelines shunt - wound, finally completes improvement tasks following is the main works completed in this thesis : ( 1 ) this thesis sets up a mathematic model of steam pipelines, using ansys5. 6 limited - unit analyzing software, calculates the ten phase inherent frequency and the foregoing eight phases vibration types of four steam pipelines of the unit before dealt with
為了解決八零三電廠2號汽輪機四根主蒸汽導汽管道振動的問題，本文建立了相應的計算模型，並根據計算和實測結果，找出了振動的主要原因，提出了加裝偏轉支吊架和管道並聯的改進措施，完成了改造工作。本文主要工作是：建立導汽管計算模型，並應用ansys5 . 6有限元分析軟體，對機組四根導汽管治理前的10階固有頻率和前8階振型進行計算。 -
In these thesis, on the basis of existing data collected of arch bridges and dynamics, simply introduce the development and application of the analytical method and finite element numerical analysis method of arch bridges. taking the example of pubugou cfst arch bridge, establish 3 - d finite element model of it with software ansys, and analyze its natural vibration. the effects on inherent vibration of the differences of structure parameters, the restriction of the deck and the effects of different arrangements of cross braces are analyzed
本文在收集有關拱橋及動力學資料的基礎上，分析了拱橋動力學的解析分析法和有限元數值分析方法的優缺點，同時以瀑布溝大橋為背景，使用ansys軟體建立了空間有限元模型，實施了橋跨結構的自振特性分析；並分析了考慮到模型簡化過程中部分結構參數取值差異、橋面板的約束狀況不同等因數對自振特性結果的影響；此外還對橋面上的橫撐布置不同導致對自振特性的影響作了分析。 -
The main contents include inherent vibration feature, stability characters, effect of geometry non - linearity and the tower obliquity, impact of system different temperature and local different temperature etc. the result in the article will provide the design references for the project of no back - stays & inclined pylon cable - stayed bridge
本文的主要工作有:介紹無背索斜塔斜拉橋的自振特性，全橋模型在荷載下的穩定性特徵，結構幾何非線性的影響，斜塔傾角對結構的影響，體系溫差和局部溫差對結構的影響等。 -
The dynamic equation for analyzing torsional vibration of the vehicle drivetrain is established based on analyzing the jointing process of frictional clutches, and the inherent frequency, the response of torsional vibration and the sensitivity of rigidity parameters to inherent frequency are studied
摘要文章在分析車輛最常用的膜片彈簧摩擦離合器接合過程的基礎上，建立汽車傳動系的扭轉振動的力學分析方程；結合實際車型，分析了車輛的固有頻率、扭振響應、剛度參數對固有頻率的靈敏度。 -
Stay cables of the long - span cable - stayed bridges are susceptible to vibration under wind loading, or wind incorporated rain excitation, or deck motion due to high flexibility, relatively small mass and very low inherent damping, such as vortex shedding, wake galloping, parameter resonance and wind - rain induced vibration. large - amplitude vibration of cables may reduce the life of cables and threaten safe traffic, and has been considered today as one of the most critical problems for this type of bridge
大跨度斜拉橋拉索具有較小的質量和極低的阻尼，在風、風雨及橋面振動等外部激勵下極易發生振動，如渦激共振、尾流馳振、參數共振和風雨振等，拉索的大幅振動對拉索的使用壽命和橋梁安全運營構成極大威脅，它已成為大跨度斜拉橋急需解決的關鍵問題之一。 -
In order to solve it radically, making power assembly of bj1036e2f1 light truck the research object and through dynamic simulation analysis of power assembly, this thesis obtains the distribution rules of forces of the bolts linking three shells mentioned above and the relation between forces of the bolts and rotate speed of engine. after finite element mode analysis of these three shells, inherent frequency and vibration model of shell of power assembly are gained, and thus its dynamic character is realized. based on computer simulation analysis, experimental model of power assembly is acquired by vibration test and strength test of shell of power assembly, and the relation of forces of the shell and rotate speed of engine and imbalanced mass of rotate components is studied
為了從根本上解決該問題，本論文以bj1036e2f1輕卡動力總成為研究對象，通過動力總成的動力學模擬分析，找出了三殼之間聯接螺栓受力的分佈規律和螺栓受力與發動機轉速的關系；通過三殼的有限元模態分析，得到了動力總成殼體的固有頻率與振型，從而了解了動力總成殼體的動態特性；在計算機模擬分析的基礎上，通過動力總成殼體的振動測試和強度測試，得出了動力總成的試驗模態，並研究了殼體受力與發動機轉速和旋轉部件不平衡質量的關系。 -
Secondly, using the theory of modal analysis and the ansys modal analysis software, the modes and the vibratility of the thbip -, such as the inherent frequen - cies and the vibration modalities, are studied during its single - double support switch time, and more, combining with the experimental phenomenon, the developing trends of the real vibration properties of the thbip - are also discussed
其次，運用模態分析理論和ansys中模態分析軟體，進行thbip -模態分析，研究支撐轉換期thbip -各階模態及其振動特性（固有頻率和振型） ，並結合實驗現象，對樣機結構的振動特性趨勢進行了初步的研究。 -
This paper introduces the development and present situation of vibration absorb technology in the world ; generally analysis the rubber - bearing ( rb ) and lrb " s operative mechanism, function and the calculation of parameter ; advance the concept of standardization to lrb ; on the basis of generally analyzing the connected factor such as the site category, the diameter of lead bar, the height of bearing, the designing carrying capacity, the span of bridge, the inherent period and the displacement of rb, determine the parameter, the absorbing vibration target, the method and the process of standardization to lrb ; then according to the two - step rule of resisting and defending earthquake, and combining with the response spectrum theory in the seismic vibration of bridge, make a lot of calculation and analysis of vibration absorb design to the real bridge collected and combined by finite element program ; at last, gives the result of standardization through diagram and explains to its usage
本論文介紹了國內外減震技術的發展和現狀；綜合分析了普通板式橡膠支座和鉛銷橡膠支座的工作機理、性能及參數的計算；提出了鉛銷橡膠支座標準化的概念；在綜合分析場地土、鉛銷直徑、支座高度、設計承載力、橋梁跨徑、固有周期以及支座變位等影響因素的基礎上，確定了鉛銷橡膠支座標準化的參數、減震目標、方法和過程；並根據抗震設防兩階段原則，結合橋梁地震振動理論的反應譜法，運用有限元程序對收集和組合的實橋進行了大量減震設計的計算和分析；最後以圖表的形式給出了鉛銷橡膠支座標準化的結果，並說明了其使用方法。 -
The main research is as follows : analyze and research the boundary constraint and the structure characteristic and segment the frame making use of the shell element, the pipe element etc. on the base of it the practical finite element model has been established ; analyze the mode of the frame by dint of the finite element model. and get the inherent frequency and the vibration mode of the frame. tentatively estimate the dynamic characteristic of the frame and analyze the inherent frequency that may be lead to the resonance
論文的主要研究工作如下：分析研究車架的邊界條件和結構特性，並用殼、管等單元對該車架進行離散，建立一種切實有效的車架有限元模型；對該車架的有限元模型進行模態分析，求得其的固有頻率和振型，並對車架的動態特性做出初步評估，分析可能引起車架振動的固有頻率；在模態分析基礎上，研究發動機輸出的簡諧力引起的車架位移響應（即諧響應分析） ，以考察摩托車車架各部位的振動情況並與模態分析對比，分析是否與該車架的固有頻率相耦合而導致共振；在深入研究車架的模態分析及諧響應分析、清晰地認識了摩托車車架動態特性的基礎上，分析並提出了採用橡膠減震器對車架進行隔振的減震方法。 -
Fundamental inherent mode of vibration
基本固有振動模態 -
Inherent frequency and vibration type are got by way of model analysis. at the same time, the reason that causes serious branch vibration during the bump auto working is found
通過模態分析，掌握了該水泥輸送泵車的固有頻率和振型，找出了該泵車臂架部分振動較大的原因。 -
This text has finished the following several tasks mainly : first of all, through multianalysis and studying of the vibration theory of the gear wheel, draw the conclusion : effective time - frequency analysis is the inherent demand for analyzing the vibration signal of the gear wheel ; singularity monitoring and filtering the signal or depressing noise are the main applications of wavelet to gear wheel vibration signal analysis
本文主要完成了以下幾個任務：首先，通過對齒輪振動理論的全面分析與研究，得出結論：對齒輪振動信號進行有效的時頻分析是分析齒輪振動信號的內在需求；奇異性監測和對齒輪振動信號進行降噪濾波是小波變換在分析齒輪振動信號的主要應用。 -
Because structure inherent frequency affects vibration strength, frequency domain analysis results show that power signal density ( pst ) curve has two high peak during the frequency of 0. 38 ~ 0. 41hz
頻域動強度分析結果顯示，功率譜響應在0 . 37 041hz之間有兩個比較大的峰值，這是系統固有頻率影響的結果。 -
Then the inherent characters and the imposed vibration response to the torque of the engine for the power driveline were analyzed and the dynamic response characteristic of the power driveline were got
並對汽車動力傳動系統進行了固有振動特性分析和發動機扭轉激勵下的強迫振動響應特性分析，獲得了整個動力傳動系的動態響應特性。 -
The four parameters ( spring inclination a, the frequency of excitation force w, the amplitude of excitation force f, the spring stiffness k ) are the major factors that take great influences on the vibration plate. in order to analyzing the influences of four parameters, the virtual prototype of vibration plate is built in ansys to get inherent frequency from modal analysis. thorough transient analysis in ansys, the curves of displacement n velocity and acceleration is presented
為了分析這四個參數對系統的影響，首先在ansys中建立振動排秧盤的虛擬模型，採用有限元方法對模型進行了模態分析，得到振動排秧機構的固有頻率；同時對模型進行動力學分析，分析排秧盤的振動量、速度及加速度，並得出相應數據的曲線圖；另外，校核了主要元件彈簧的疲勞強度及使用壽命。 -
The inherent vibration properties analysis of pile - soil - structure interaction system
結構動力相互作用體系自振特性的分析 -
3 inherent vibration frequency and relative vibration shape of the bump auto working under various condition can be received from mode analysis
3 、模態分析得到該泵車不同工況下的固有頻率和相應的振型。 -
The basic theory of using finite element method ( fem ) to analyze the rotor ' s inherent vibration characteristics and three - dimensional fem are expatiated
闡述了利用有限元法分析轉子固有振動特性以及三維有限元的基本理論。 -
This thesis gives first six modes of the bump auto under given eight working states. the first inherent vibration frequency and the second one all lie in the interval of 0. 3 8 ~ 0. 41 hz
本論文分析了該泵車八個工況下的前六階模態，各個工況一階和二階固有頻率均在0 . 38 0 . 41hz范圍內。
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