跨振 的英文怎麼說

中文拼音 [kuàzhèn]
跨振 英文
bounce
  • : 動詞1 (抬起一隻腳向前或向左右邁) step; stride 2 (兩腿分在物體的兩邊坐著或立著) bestride; stra...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  1. Be of good cheer, richard ; step out - that s it

    理查德,作起來,往前對啦! 」
  2. 2. a method combining some of the composite space structural simulation, wavelet analysis, fuzzy mathematical, genetic algorithm, artificial intelligence, expert system, vibration diagnosis, acoustic sounding, supersonic flaw detection, radioscopy, infra - red detection and so on to diagnose the composite structure damage is discussed

    本文對把復合材料大建築結構模擬、小波技術、模糊數學、遺傳演算法、人工智慧、專家知識、動診斷、聲發射技術、超聲波檢測、射線探傷、激光全息檢測、紅外線檢測等方法中的幾種融合在一起對復合材料大建築結構進行損傷診斷的方法進行了探討。
  3. Analysis study on transonic speed equal amplitude vibration of a certain type of aircraft

    某型機音速等幅動研究
  4. On comparing flutter characteristics of three supercritical airfoils in transonic flow

    超臨界翼型的聲速顫特性研究
  5. 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度鋼析架橋梁車橋禍合動的系統受控方程並提出了兩種控制策略。
  6. There are a lot of categories of the small business enterprise gathering cluster, in the united states, italy, switzerland, japan, china etc. the small business enterprise gathering cluster that stride over several industries section can adapt variety and resist the decay of economic period

    這些中小企業集群的具體作用體現在:能夠使有限資源高效聚集起來,以滿足城市與地區經濟發展;中小企業集群政策可以為實現產業目標和重產業服務;越多個產業部門的中小企業集群能更好地適應變化和抵抗經濟周期中的衰退。
  7. Dynamic characteristics of long - span cable - stayed bridges using carbon fiber composite cable

    應用碳纖維索的大度斜拉橋結構動特性
  8. Presently, cfst arch bridges develop in the direction of large - span and lightweight style, accordingly, investigators and devisers should increasingly attach more importance to their dynamic behaviour, and some typical dynamic matter of bridges, such as seismic response, wind induced vibration, coupled dynamic vibration between bridge and vehicle should not be ignored

    目前,鋼管混凝土拱橋正朝大、輕型的方向發展,因此,該類型橋梁的動力特性也日益引起重視,象地震、風、車等橋梁的典型動力問題也是該類橋梁所無法迴避的。
  9. By calculating large quantity of examples, this text studies earthquake resistant behavior of tapered portal frame with pined bases and analyzes its natural frequency, natural period of vibration and vibration mode. by comparing interior forces of pillar top, beam end and span midpoint in two conditions that seismic action effect participates combination of forces and not when portal frame is n ' t changed, ensure conditions that combination of seismic action effect has controlling f unction during tapered portal frame design, and tapered portal frame demands anti - earthquake design

    本文通過大量算例分析,研究柱腳鉸接楔形變截面門式剛架的抗震性能,並對其自頻率、型進行了分析;通過比較地震作用效應參與荷載組合與不參與荷載組合兩種情況下,樑柱截面尺寸不變時,柱上端、梁端、中截面處的內力大小,確定在什麼情況下地震作用效應組合起控製作用,變截面門式剛架需要進行抗震設計。
  10. The identification of flutter derivatives for bridge sectional model has long been a key issue in long - span bridge flutter and buffeting analysis

    長期以來,橋梁斷面顫導數的識別都是大度橋梁顫抖響應分析中的重點和難點問題。
  11. As to the current problems existing in the identification for these flutter derivatives, the dissertation tries to trace the development in the identification for the past unsteady aerodynamic forces of long - span bridges. it also investigates the method for flutter and buffeting analysis and the flutter derivatives. based on the present methods used in obtaining the unsteady aerodynamic forces and flutter derivatives, and co - funded by a natural scientific fund from the nation and a key project fund from the railway ministry, the current research has attempted to develop a device which can be employed in the wind tunnel to test flutter derivative through a forced vibration method

    鑒于目前橋梁斷面顫導數識別的水平和存在的問題,本文通過對大度橋梁非定常氣動力、顫分析方法及顫導數識別方法的回顧和評述,基於現有的非定常氣動力和顫導數的測試方法,在國家自然科學基金與鐵道部重點學科基金的聯合資助下,研究開發了一套在風洞中採用強迫動法測試顫導數的裝置。
  12. Hangzhou grand theater ' s main part is 170m long and 136m wide, and the surface of it is consisted of ellipsoidal surface roof and conical surface gladding. based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and wind load factor of long - span combined structure consisted of ellipsoidal surface roof and conical surface gladding subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained

    本文採用風洞模型試驗和計算機數值計算相結合的方法,對杭州大劇院大度橢球屋蓋和倒圓錐面幕墻組合結構的風機理、風形態、風響應以及風系數進行了較系統的研究,取得了有意義的結論。
  13. 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動可能使結構構件產生疲勞,降低其強度和穩定性;橋梁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結構自頻率相等或接近時,引起的共可能會使車橋動力響應加劇。
  14. Furthermore, the isoline maps of mean wind pressure coefficients and rms wind pressure coefficients of the structure under various wind directions are plotted. in the matter of theoretical analysis, modeling with finite element method, using the local mean wind pressure coefficients and time history of fluctuating pressures determined in wind tunnel, the wind - induced dynamic responses for long - span grid roof structures are calculated in frequency domain and time domain separately

    在理論分析方面,建立合理的有限元模型,利用剛性模型風洞試驗獲得的各種不同情況下屋面各節點的平均風壓系數和脈動風壓時程,在頻域內和時域內進行了大網架屋蓋結構的風響應分析。
  15. The transverse stiffness limitation index ? the permissible ultimate width / span ratio b / l of the continuous steel truss girder of railway bridge is analyzed in accordance with the analytic theories of random vibration of train ? bridge time - variation system and the required derailment coefficients and comfort of drivers and passengers in train running through the bridge. the limitation index in question may be referred to in the design of the continuous steel truss girders of railway bridges

    基於列車-橋梁時變系統隨機動分析理論,按照橋上列車脫軌安全系數和司機、旅客舒適度的要求,對鐵路連續鋼桁梁橋橫向剛度限值-橋梁容許極限寬比b / l進行了分析,對鐵路連續鋼桁梁橋的設計具有一定的參考作用。
  16. 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

    車橋系統的共條件與橋梁度、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頻率等因素有關。
  17. 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,實施了橋結構的自特性分析;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特性的影響作了分析。
  18. But the investment for experiment is too large, and the experiment cycle is too long. this will restrict the research on the theory of wind effect on bridge

    然而橋梁風洞試驗的設備投資大,試驗費用高,周期長,這在很大程度上限制了大橋梁風機理的研究。
  19. She opened the door, stepped over the lintel, and on to the damp, cold earth of the passage outside

    她打開門,過門檻,踩到過廳潮濕的冰涼的地上。撲面而來的冷空氣使她精神一
  20. Wind - induced vibration control of long span transmission tower with suspended mass pendulums

    懸掛質量擺對大越輸電塔的風控制
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