共振梁 的英文怎麼說

中文拼音 [gòngzhènliáng]
共振梁 英文
resonant bar
  • 共 : 共動詞[書面語]1. （圍繞） surround2. （兩手合圍） span with the hand
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 梁 : 名詞1 （屋架中架在柱子上的長木） beam 2 （通常也指檁） purlin 3 （橋） bridge4 （物體中間條狀隆起...
  1. 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。
  2. When the axial speed varies harmonically about a constant mean one, the method of multiple scales is applied to the axially moving beam to determine the instability boundary due to parametric resonance

    當軸向運動速度在其常平均值附近作簡諧波動時，應用多尺度法給出軸向變速運動梁參數共振時的不穩定條件。
  3. The vibration of upper structure of bridge which caused by the dynamic action of vehicle pass the railway bridge may make the structural component fatigue and decrease the intensity and stability. the more vibration of bridge will influence the safety and stability of vehicles ; when the dynamic changing frequency of vehicle equal or approach to the free vibrational frequency of bridge, wh ich will make the resonance may intensify the response of bridge and vehicles

    列車動力作用引起橋樑上部結構的振動可能使結構構件產生疲勞，降低其強度和穩定性；橋梁振動過大可能會對橋上車輛的運行安全和穩定性產生影響；當列車的動力變化頻率與橋跨結構自振頻率相等或接近時，引起的共振可能會使車橋動力響應加劇。
  4. The resonance conditions of the train - bridge system are affected by the span, total length, lateral and vertical stiffness of the bridge, the compositions of the train, and the axle arrangements and natural frequencies of the vehicles

    車橋系統的共振條件與橋梁跨度、長度及豎向和橫向剛度，列車編組、車輛軸距參數及車輛的自振頻率等因素有關。
  5. On internal resonance of nonlinear vibration of axially moving beams

    軸向運動梁非線性振動內共振研究
  6. Zeng weiming, wang zhengyou, fang zhijun, wu shiquan, one novel subspace - based method for mrs signal parameter estimation, the 6th world congress on intelligent control and automation ( accepted for presentation )

    曾衛明，梁曉雲，羅立民.一種基於信號極點先驗知識和隔點抽樣的磁共振波譜參數估計方法，計算機學報（錄用） 。
  7. Based on the results of previous researchers, the following instigations have been carried out in this paper : ( 1 ) employing a reasonable local resonance model which can accurately embody the heat - generation behavior due to resonance and vibration - heat mode in delaminated region, the dynamic response and temperature distribution in the small delamination region of a laminated beam are formulated. influence of the excitation frequency on the temperature gradient formation is analyzed numerically, and several meaningful conclusions are drawn. ( 2 ) for laminated plates with delaminations, due to complexity of the analytical solution, the finite element method is employed to analyze their temperature distributions and satisfactory results are also obtained

    本文在前人研究的基礎上，對此方法進行了進一步的探討，主要做了以下的工作： （ 1 ）選取合理的、能夠準確反映由共振而產生熱量的行為的局部響應模型，以及合理的振動熱模式，推導了一維層合梁小脫層區域的振動響應及梁的溫度分佈，並編製程序計算了該層合梁在激勵一段時間后的溫度分佈趨勢，分析了激勵頻率對溫度梯度形成的影響，得到了一些有意義的結論； （ 2 ）對於二維層合板，由於解析解的形式異常復雜，本文採用有限元計算軟體對其溫度分佈進行了分析，也得到了較為滿意的結果。
  8. For example, frp reinforced concrete is used to support or surround magnetic resonance imaging ( mri ) medical equipment, and frp is also used for the constructions of some seawalls, industrial roof decks, base pads for electrical and reactor equipment, anchor in rock and ground engineering and concrete floor slabs in aggressive chemical environments in order to promote the wide usage of frp and frp reinforced concrete structures, financed cooperatively by nationa l natural science foundation ( item : the research on mechanical performance of frp reinforced concrete beam reinforced ; number : 59978046 ) and henan illustrious youth science foundation, connected with the analysis methods of modern steel reinforced concrete structure, the thesis further studies the flexural performance of frp reinforced concrete beam through the systematic study on experimental data got from this kind of beams, systematically establishes the theoretical calculating system of the flexural performance of frp reinforced concrete beam in cooperation with the up - to - date analytical methods for reinforced concrete, which suits the properties of frp

    例如，纖維增強塑料筋應用於支撐和圍繞磁共振成像醫療設備的混凝土中及海堤、工業頂棚、電設備、反應設備的基座、巖土工程中的錨桿、侵蝕性環境的混凝土結構等海洋工程、橋梁工程、路面工程、巖土工程、醫療及化工工程的建設。為了推動纖維增強塑料筋及其混凝土結構在工程中的廣泛應用，本文在國家自然科學基金（項目名稱：纖維增強塑料筋混凝土梁力學性能的研究；編號： 59978046 ）和河南省傑出青年基金的資助下，通過對纖維增強塑料筋混凝土梁正截面受彎性能試驗數據的系統分析，結合現代鋼筋混凝土結構學的分析方法，對纖維增強塑料筋混凝土梁正截面受彎性能進行了深入的研究，較系統的建立了適合於纖維增強塑料筋特點的纖維增強塑料筋混凝土梁正截面受彎性能的理論計算體系。
  9. 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。
  10. The equations of motion for the nonlinear nonplanar flexible cantilever are derived by using the generalized hamilton ' s principle. then, the galerkin procedure and the method of multiple scales are used to give the perturbation analysis of the system and the average equations. the three resonant cases are considered in this dissertation

    對于非線性非平面運動懸臂梁，利用廣義hamilton原理詳細推導了運動微分方程，綜合運用galerkin離散方法和多尺度法對非線性非平面運動懸臂梁的動力學方程進行攝動分析，得到了三種共振情況下的平均方程。
  11. At this time, the approximate mechanical model of devices has been put forward, which frequency is 70 mhz, then we analyzed the euler ? bernoulli equation, find that the frequency is determined by the resonator ’ s density thickness and length ; the free - free - beam 、 coupled beam 、 support beam 、 transducer have been designed ; the model was simulated and modal analyzed on the coventorware and were consistent with the designed parameter. the silicon surface microfabrication process was developed and emphatically introduced several key surface microfabrication technologies, and was simulated by coventorware

    本文通過分析歐拉-貝努立方程，得出濾波器的共振頻率主要由諧振梁的密度、厚度和長度決定，考慮切變形和轉動慣量的情況下，完成微機械諧振梁、支撐梁、驅動電容的設計;在coventorware軟體上進行模擬，分析結果與理論設計比較好地吻合;對微機械濾波器的加工工藝進行設計，給出器件的完整的工藝流程，重點介紹微機械表面加工工藝，並在coventorware上進行模擬。
  12. As those college students are pillars of the state in the future, the extent of solving this crisis is directly related to whether they could be the qualified builders for the socialist modernization and the rise and fall of our country. therefore, the intervention of the crisis is an important matter could n ' t be neglected. we must work out and take appropriate measures from the point of view of society, colleges families and individuals to set up credit awareness strengthen public honesty and keeping promises awareness, to expand and encourage honesty and keeping promises culture and behaviors, to set up supervisory and evaluation system and to pay close attention to its education and train perfect personality

    而作為未來社會中堅的大學生，其誠信危機的解決程度直接關系其能否成為中國特色社會主義事業的合格建設者與棟梁才，直接關系祖國的興衰成敗與振興大計，那麼，干預當代大學生的誠信危機的發生，于國于校、於家於己來講，都是一件不容忽視的大事，所以我們必須從社會、學校、家庭、個人的角度出發，拿出相應的對策與措施，樹立信用意識，強化公眾的誠信共識；大力弘揚誠信文化，積極鼓勵誠信行為；建立誠信監督機制，開展誠信行為評價；抓好誠信教育，培養完善人格。
  13. The reinforcing technique to connect both line regid do n ' t change the self - frquency of girder, but use the piece of rigid conjunction pole connect both juxtaposition girder together, under the together action of both girder, and increased the horizontal damp to realize the purpose of reduce flap

    對上、下行復線鋼板梁採用雙線剛性連接技術不改變鋼梁的自振頻率，而是採用剛性連接桿件將并行的兩孔鋼梁連接起來，通過兩孔梁共同作用，加大樑體橫向阻尼而達到橫向減振目的。
  14. From the results, we can see that jinhuai bridge has no noticeable vertical deflection peak. it is mainly because of the restrictions of some parameters such as velocity of the vehicle on highway and damping of the bridge, which can limit the peak values

    計算結果表明，公路橋梁也存在多個瞬態響應相互疊加的問題，但由於受車輛行駛速度和阻尼因素的影響，津淮剛架拱橋沒有出現明顯的共振峰值。
  15. According to the finite element method result, the parametric vibration of cables in cable - stayed arch bridge becomes prone to be exhibited. then a model of non - linear parametric excitation vibration coupling the stayed cable and the girder, namely, the mode of cable - stayed beam, is proposed in the thesis. and the nonlinear dynamical

    3 、首先利用有限元分析方法，得出了斜拉索發生參數共振的可能，然後建立了斜拉拱橋拉索-橋面耦合參數振動模型，即索-梁組合結構模型，推導了索-梁組合結構非線性運動方程，利用多尺度方法研究斜拉索的參數共振和亞諧波共振，並對穩態解的穩定性進行了分析。
  16. Based on qualitative analysis and comparison of several options for suppressing transverse vibration on deck type steel plate girder of railway bridge, conclusions are made as follows : with static reinforcing, the vibration amplitude can be suppressed to some extent, but quasi - resonance of the bridge can not be avoided, moreover, the construction is inconvenient and costly. with option of two bridge connection, the effectiveness of vibration suppression is clear ( the damping ratio approaches 50 % ) and it is fairly economic and easy, however, the quasi - resonance of the bridge can not be avoided either. with dynamic option ( mtmd option ), the quasi - resonance of the bridge can be effectively avoided ( the damping ratio is up to 51. 38 % as tested in field ), moreover, the construction cost is low, and the construction is simply and convenient

    通過對目前抑制鐵路上承式鋼板梁橋橫向振動的幾種方案進行定性的分析和比較，認為：靜力加固方案可以使橋梁振幅有所減小，但不能避免準共振現象的發生，而且工程造價較高，施工也不方便；兩橋連接方案減振效果明顯（減振率近50 % ） ，比較經濟也比較方便，但同樣不能避免準共振現象的發生；動力減振方案（ mtmd抑振方案）可以有效的抑制橋梁的準共振現象（現場試驗中減振率達51 . 83 % ） ，而且工程造價較低，施工簡單、方便。
  17. According to different mechanisms, there exist several types of resonance, including the bridge resonance induced by the periodical actions of moving load series of the weights, centrifugal forces and lateral winds of vehicles, the bridge resonance induced by the loading rates of moving load series of vehicles, the bridge resonance induced by the periodical loading of train vehicles excited by rail irregularities, wheel flats and hunting movements, and the vehicle resonance induced by periodical actions of the regular arrangement of bridge spans and their deflections

    根據發生機理的不同，車橋系統可能發生幾種不同形式的共振，包括由車輛重量、離心力、橫向平均風荷載等形成移動荷載列的周期性動力作用引起的橋梁共振，由移動荷載列加載速率引起的橋梁共振，由軌道不平順、車輪扁疤、輪對蛇行等周期性加載引起的橋梁共振；由橋跨的規則性排列及其撓度的影響，對移動車輛形成周期性動力作用使車輛出現的共振。
  18. For the nonlinear planar cantilever, the two resonant cases are considered. one of the two cases is primary resonance - principal parametric resonance and 1 : 3 internal resonance. the other is 1 / 2 subharmonic resonance - principal parametric resonance and 1 : 3 internal resonance

    對于平面運動懸臂梁研究了二種共振情況，一是主共振-主參數共振和1 ： 3內共振的情形，另一是1 2亞諧共振-主參數共振和1 ： 3內共振的情形。
  19. For recently there are some different opinions about the mechanism of bridge resonant vibration excited by moving vehicles, further study is done in this paper to analyze the dynamic response of jinhuai bridge under multiple vehicles with different velocity, moving direction and distance between two adjacent vehicles

    鑒于近期學術界對橋梁車激共振動機理存在不同認識，本文進一步研究在不同車速、不同車距和不同方向的多車荷載作用下津淮剛架拱橋的動力響應。
  20. The coupling nonlinear vibration equations involving both the first in - plane and the first out - of - plane modes is generated by using the galerkin method. according to the derived equations, the internal resonance subjected to the in - plane excitation is analyzed by the multiple scale method. the results reveal that the internal resonance of the stay cables posses the characteristics of multiple values and divergence

    通過galerkin方法，得到了一個反映面內一階及面外一階模態的耦合非線性動力系統，用多尺度法對面內激勵下的內共振進行了分析，以實際橋梁拉索為例，得出了拉索模態耦合非線性振動具有多值、分叉等特點，並分析了拉索阻尼對模態耦合內共振的影響。
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