振動梁 的英文怎麼說
中文拼音 [zhèndòngliáng]
振動梁
英文
vibrating beam-
A new numerical procedure for analyzing the coupled vibration of a framed arch bridge with a single moving vehicle is presented to solve the equations of motion of a bridge with many degrees of freedom. the procedure consists in dividing the bridge - vehicle systems, which are solved separately, into 2 subsystems at the interface of the bridge and vehicle. the compatibility at the interface is obtained by an iterative procedure with aitken acceleration
本文提出新的計算橋梁車激振動反應的方法，車?橋系統被分成兩個相互作用的子系統，這兩個子系統通過接觸點的協調條件耦合在一起，從而應用aiken動態加速法對橋梁運動方程、車輛運動方程和車?橋耦合方程進行高效迭代求解。In order to prove the feasibility of the control method mentioned, both the semiphysical test for the plant simulated by analogue computer and the model test for the cantilever beam are designed and finished with the study of the parameter selection in realization
對離線建模的智能旋翼頻域神經控制方法進行了試驗驗證研究，試驗分兩種情況：以模擬計算機模擬受控對象的半物理模擬試驗與懸臂梁振動響應控制試驗，並研究了實現中的參數選擇問題。Dynamics analysis for coupled pendulum and beam system
梁擺系統耦合振動分析It can be seen from the results that the control beam had good plastic property in the static failure experiment after two million fatigue loading circles. all specimens with corroded main bars were failure under the fatigue loads within one million fatigue circles. fatigue lifespan of reinforced concrete beam was sharply shortened after main bars corroded in it and the beam was destroyed bristly without any prediction
試驗結果表明，振動測試不能夠對銹蝕鋼筋混凝土梁的疲勞破壞做出可靠的預測;對比梁在經過200萬次疲勞循環加載后的靜力試驗中仍表現出良好的延性破壞特徵;銹蝕梁在100萬次疲勞循環內均因主筋疲勞斷裂而破壞;主筋銹蝕使得梁的疲勞壽命急劇縮短;梁發生脆性破壞而沒有徵兆。Seat back cushion sets at 14 massages head, the simulation massage technique cantle very good capture distribute in the bone ling two sides acupuncture points " rubs " the function, in the seat cushion sets at 4vibrators, the buttocks vibrates may promote the blood circulation, the improvement metabolism
靠背內置14個推拿按摩頭，模擬按摩師的按摩手法能很好捕捉分佈在骨梁兩側穴位的「揉搓」機能，座墊內置4個振動器，臀部振動能促進血液循環，改善新陳代謝。Based on a duralumin flexible beam with piezoelectric films attached, distributed parameter modal described by partial difference equations is builded, and then turned into a set of two order systems with the method of modal analyse. state feedback control and independent modal control is investigated. and simulation of the closed - loop system with thest two methods is performed in matlab
並用模態分析的方法，將系統的偏微分方程模型轉化成了模態模型；研究了狀態反饋和獨立模態方法；進一步完善了軟體界面以及軟體功能；在實際系統中，應用狀態反饋演算法，有效抑制了懸臂梁在受到外界瞬時脈沖擾動和激振引起的一階、二階模態振動。Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition ， although there exists soil - structure interaction ， the foundation soil vibration is dominant in other words ， analysis of earthquake response of the soil is essential to this end ， simplified models ， ( i. e equivalent mass system models based on some equivalence criteria ) are proposed ， instead of a general 3 - d continuum model in this study ， equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel
條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下，結構與土相互作用，但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理，簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法，推導等效方程，通過幾種簡化體系的分析比較，論證單質點串體系的合理性，並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析，為抗震設計提供依據Free vibration analysis of a cantilever mortar beam with electrorheological fluid in a central crack
含電流變體砂漿復合懸臂梁結構的振動分析Research of piezoelectric control techno logy for active vibration control of fl exible beam
柔性梁振動主動控制的壓電控制技術研究Mode control of vibration in piezoelectric cantilever beam
壓電懸臂梁振動的模態控制5 ) processing the active vibration control examination of piezoelectricity material cantilever beam model part with the pid control and the lqg control
5 ）分別採用pid控制和lqg控制進行了壓電貼片懸臂梁模型振動主動控制試驗。Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。Its principle is : a laminated structure ( beam or plate ) with delamination consists of undelaminated region and delaminted region which can be divided to upper and lower parts. when a low - amplitude and high - frequency excitation has the frequency close to some part ' s natural frequency, this part will resonate and certain amount of mechanical energy will convert to heat so that the delaminated region ' s temperature exceeds greatly that of the undelaminated region. therefore the delamination can be located by means of infrared thermograph
其原理是具有脫層的層合材料構件（梁或板）包含脫層區域及未脫層區域，脫層區域分為上下兩部分，若對層合材料構件施加小振幅、高頻率的振動激勵，當激勵頻率恰好接近其中一部分的固有頻率時，該部分就會產生共振響應，部分機械能將轉化為熱能，使脫層區域的溫度遠高於未脫層區域，藉助紅外熱像儀即可顯示出脫層的位置。This paper deduces the equation groups of large span steel truss bridge which installed mr dampers of coupling vibration of vehicles and bridge. and provide the two strategies of semi - active control
本文從理論上首次推導出設置擬況阻尼器的大跨度鋼析架橋梁車橋禍合振動的系統受控方程並提出了兩種控制策略。And gave priority to the eular - bernonulli beam model, the simply and convenient analytical resolution for the response of the pipelines under dynamical traffic loads through the impulse function and the congruence method of the vibration form and so on. during the analysis of the chanmical results of the pipelines, the randomicity of the output of the pipelines response was taken into accout. so the stochastic process method was applied to describe the probability characters of the pipelines response, which made the results truer, more veracious
本文採用eular - bernonulli梁模型和tomosimko梁模型對動力下kelvin粘彈性地基中管道固有振動性狀進行了分析，提出了各力學結果描述的解析式；並以eular - bernonulli梁模型為主，基於脈沖函數、振型迭加法等對管道在動力交通荷載作用下的管道響應問題提出簡單便捷的解析演算法；在管道受力結果的分析中，考慮管道響應輸出的隨機性，將管道響應用隨機過程來描述其概率特徵，使得結果描述更加真實準確。The structural innovation and the crack analysis for the support beam of the vibratile riddle
振動篩支承橫梁破斷分析及結構改造The paper introduces the construction technique and quality control of the concrete ground container, the project uses the small machine - constructing method which vibrates beam and the vibrating spear unify, through example of key working procedure : the construction survey, the ground basic roller compaction, two ash zone constructions, the steel bar construction, the template construction, the concrete surface layer construction craft and the quality control, the small machine construction method prove to meet the project needs
摘要介紹了混凝土集裝箱堆場施工工藝與質量控制，工程採用振動梁和振動棒相結合的小型機械法施工，通過對關鍵工序如：施工測量、場區基層碾壓、二灰層施工、鋼筋施工、模板施工、混凝土面層的施工工藝與質量控制，表明小型機械法施工能滿足工程需要，工程完成後符合驗收標準，滿足了業主的使用要求，對于同類工程的施工具有借鑒意義。The main beam of type 4sw - 40 potato digger easily engenders crack or breaking damage in the practical application. therefore, by means of modern test technology, the paper does some research on the vibration of the separating sieve and its influence on dynamic load of the main beam under the condition of laboratory
4sw ? 40型馬鈴薯挖掘機在實際生產中主粱易出現裂紋或斷裂破壞。為此，本文提出在實驗室條件下，利用現代測試技術，就分離篩的振動及其對主梁的動載作用作研究。As the percentage of flexible space structures and the requirement for control accuracy continuousely increase, the control of flexible space structures is increasingly important. focusing on the problem of vibration control of clamped beam, the thesis studied the application of wave absorbing theory to the vibration control
隨著空間結構中的撓性結構的比重的不斷增加和軌道、姿態控制精度要求的不斷提高，使撓性結構振動控制日益重要，本文針對懸臂梁的彎曲振動控制問題，研究了波吸收器在振動控制中的應用。An experimental investigation on the transition in the boundary layer of horizontal plane with and without single two - dimensional roughness elements has been carried out in the wind tunnel. the distribution in normal and stream - wise directions of intensity of t - s wave excited by vibrating beam was measured in every condition. neutral curves were obtained by measuring the growth of the t - s wave at the normal critical location along the stream - wise direction
在風洞中對水平光滑平板以及加有粗糙元平板的邊界層轉捩進行了測量與研究，比較了不同情況下平板邊界層內由振動梁激勵生成的t - s波沿流向和法向強度的分佈規律，得到了相應的振型增長曲線以及中性曲線。分享友人