外阻尼 的英文怎麼說

中文拼音 [wài]
外阻尼 英文
external damping
  • : Ⅰ名詞1 (外面) outside; external side 2 (外國) foreign country 3 (以外) besides; beyond; in ...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  1. The motion of plunger of oleo damper excited by colored gaussian noise with exponential correlation time is governed by first order nonlinear differential equation

    摘要油液器受指數型高斯色噪聲激勵時,活塞在油腔內的運動可用一階非線性動力學方程描述。
  2. In addition, active constrained layer damping ( acld ) has attracted scholar ' s interests because it has the advantages of passive control and active control. the mechanism of vibration control of acld and the models of how to deal with the viscid - electric material are introduced. the finite element model of acld with ghm model is established in this paper

    ,主動層結構( acld )由於兼有被動控制和主動控制兩者之優點也引起了國內學者的興趣,本文給出了主動層結構(約束層採用壓電材料)抑振的工作機理,介紹了處理粘彈性層( vem )的幾種模型,並採用ghm模型建立了主動層結構的有限元模型。
  3. Exciting method is used to measure the damping, the four damping coefficients of the radial part and a damping coefficient of the thrust part can be obtained though hammering the testing bearing which is in a equilibrium position. based on the testing data, the dynamic characteristic curves of the radial - thrust floating ring hybrid bearing are drawn and compared with the theoretical curves

    採用激振法測量軸承的,對處于平衡位置的測試軸承分別沿水平方向、上45度方向及軸向進行錘擊,根據錘擊法原理求得各個轉速下軸承徑向部分內、膜總系數以及推力部分內、膜總系數。
  4. The paper discusses how to reconstruct the 3d model of alimentary canal from many medical tomographic images using the computer 3d visualization technology, explains the work principle of its operation signal gathering devices and feedback force controlling devices, and describes the mass - spring / damper simulation model used in the software emulation

    主要討論了通過計算機三維可視技術,對醫學斷層影像重建得到三維訓練模型;並講解系統設實現操作量採集和力反饋的工作原理,以及系統模擬軟體採用的質點彈簧物理模擬模型。
  5. The analysis results show that the palcement styles and the rotating angles of such a large scale deployable boom systems are functional importantly. the motions and damps of the boom systems also take importance. if motions become larger, the time for the booms to reach their spreaded states is shorter, and the impact velocities become larger, the impact accelerations become larger too

    分析結果表明,對于大尺度的伸桿機構,其布置方式和展開角度對其展開運動有重要的影響;同時也研究了鉸鏈處力矩對展開運動的影響,隨著該力矩的增大,伸桿到達鎖定狀態的時間減少,碰撞時的速度增加,由此產生較大的加速度;分析了伸桿彈性和對伸桿展開過程的影響,彈性增大碰撞加速度增大,增大加速度減小,因此可將鉸鏈處力矩和伸桿作為伸桿展開運動調節的手段。
  6. Based on analyzing the exploitation and applying of bridge bearing, aiming at the hotspot of bearing research, the paper introduces the isolation bearings " structure and working mechanism. the paper also brings forward a promising isolation bearing model - polysaccharid sliding rubber bearing + high damping rubber damper

    本論文在分析國內橋梁支座開發應用現狀的基礎上,針對目前橋梁支座開發研究的熱點,對現有減震支座的構造和工作機理做了簡單的介紹。認為聚四氟乙烯滑板支座+高橡膠塊分離式減震支座是一種很有發展前景的減震支座形式。
  7. The idea of passive control is to utilize additional facility within a structure to dissipate or absorb a large portion of the seismic energy, which has been applied to practical engineering extensively since its control devices - dampers are convenient and it does not need large energy supply and the structural system identification. now the main devices which have been developed in the passive control may be grouped into the following types : viscous, visco - elastic, metallic and frictional, and tuned mass damper ( tmd ) and tuned liquid damper ( tld )

    被動控制通過附加裝置耗散或吸收大部分的地震動能量以達到減振的目的,由於其控制裝置簡單,不需要界能源輸入和系統識別,容易在工程上實現並已得到廣泛的應用;目前被應用於結構被動控制的器主要有:粘滯型、粘彈型、摩擦型、調諧質量器( tmd )和調諧液體器( tld ) 。
  8. And consequently, the phase modulation dissipation arises from the strong phase mixing between the waves inside and outside the modulation layer, and the pump wave is strongly damped near the resonant layer of coronal loop. after above analytical theories, we combine the two part of work into an integrated model of coronal heating

    由於位於共振層附近的相調層非常薄,那麼,對應的位於這個薄層之內的pump波就會和在這個薄層之傳播的pump波有強烈的相混作用,從而對共振層附近的pump波有很強的作用。
  9. The experimental results on seismic simulator verify that the mr damper in the passive off mode provided the information on the minimum effectiveness of the damper if the external power was cut off, in which the seismic responsesof the tall building and podiun structure were reduced. when the mr damper worked in the six kinds of semi - active logic control methods, the seismic responses of the two building were further reduced compared with those when the mr damper worked in the passive off mode

    地震模擬振動臺試驗結果表明: mr器的passiveoff方式是部電源被切斷時的最低控制效果,能消除原結構地震反應的鞭梢效應,並使主樓和裙房的地震反應有一定的減少,六種半主動邏輯控制方法的減振效果比passiveoff方式更好,多mr器控制的效果優于單mr器。
  10. Jacket is the most widely used offshore platform structural style. first of all, the paper summarizes the present achievements of dynamic analysis for offshore platform, and studies both the vibration isolation system for jacket and vibration - suppressed effectiveness. considering the style and character of jacket, and in order to make best use of dampers to reduce vibration, a damping isolation scheme, in which the damping layer is laid between the jacket cap and deck is put forward

    本文在總結國內對海洋平臺結構動力分析研究現狀的基礎上,針對淺海導管架式海洋平臺的型式與結構特點,研究了導管架式海洋平臺結構隔振體系及其減振效果,為了充分發揮器的耗能減振作用,提出了在平臺結構導管架端帽和甲板之間設置柔性層的新型隔振方案。
  11. This was also the first time that taiwan exhibited under its own pavilion with 14 companies sharing 8 booths. canada has the second largest number of biotechnology companies in the world, generating revenues that rank third internationally. the canadian government placed a high priority on this event and took this unique opportunity to showcase canadian biotechnology capabilities

    這個金色的球形體除了可當作裝飾品之,還有一個更重要的任務-這個質量調節器tmd可以減少整棟建築物因風而引起的40的晃動,並且也能減緩大樓因地震而引起的震動。
  12. Firstly, under the assumption that the output driving torque generated by the stepper motor of the mirror is constant, such influence analysis is conducted. secondly, a mathematic model of the stepper motor is given. under the assumtion that the input impulse frequence is constant, the rotational motion of the stepper motor of the mirror with the mutual exertions of damping torque, friction torque and disturbance torque generated by satellite platform ' s attitude motion is simulated and analyzed

    對衛星平臺姿態振動對紅相機掃描機構轉動的影響進行了系統深入的模擬分析:首先在步進電機驅動力矩一定條件下,模擬分析了星體姿態運動干擾力矩對紅相機掃描鏡轉動的影響;接著建立了步進電機的數學模型,在步進電機輸入脈沖頻率一定條件下,模擬分析了步進電機在力矩、干摩擦力矩、平臺干擾力矩等負載轉矩的共同作用下的轉動情況。
  13. Enhanced security - multiple safeguards are provided against inadvertent stance release, ie the knee is less likely to buckle at crucial moments

    提高安全性? ?為預防意的支撐期釋放提供了多種安全措施,膝關節在重要時刻絆倒的可能性更小。
  14. In addition, influence caused by variety of buffering mechanism parameters ( stiffness and damping ) are also analyzed

    ,文章還分析了在對接過程中緩沖機構剛度、參數變化所產生的影響。
  15. Stay cable, which is one of the important components in cable - stayed bridges, is susceptible to environmental excitation because of its small weight, large flexible, low damping, then the various vibration is induced, such as vortex - induced vibration, wake galloping, rain vibration, buffeting as well as parametric - induced vibration etc. in this paper, the vibration property of stay cable has firstly been introduced

    斜拉索是斜拉橋的重要承力構件,由於拉索自身的質量輕、柔度大、小,在界激勵下,易發生各種振動,包括渦激振、尾流馳振、風雨振、抖振以及參數振動等。
  16. 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,在風、風雨及橋面振動等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。
  17. Then, the analysis and comparison of their results and feasibility are executed. the results indicate that intelligent dampers using the two algorithms can effectively reduce the wind responses, and the control effects are n ' t sensitive to external load intensity

    本文研究表明,採用這兩種控制策略的智能器均能有效地減小結構的風振反應,並且減振效果對荷載強度的變化不敏感。
  18. Large water tanks at the tops of buildings could act as mass dampers to counteract any swaying from extreme lateral loads and as reservoirs for deluging fires

    屋頂上裝設大型儲水槽,可以發揮質量器的功能,抵消因為側面負載過重導致的傾斜,此,也可以用來撲滅大火。
  19. Shock absorber is an important part of the vehicle suspension system. as an essential damping part of chassis components, shock absorber is closely connected with the operation, security and comfortabieness of the vehicle. the outer performance of shock absorber shall be indicated by the indicator diagram and the speed characteristic. the double - tube hydraulic shock absorber critical velocity is very low and easy to make outer performance degradation

    減振器在車輛懸架系統中發揮著重要的作用,作為汽車底盤的主要元件,它不僅影響到車輛的舒適性,還關繫到車輛的操縱性及安全性,其特性由示功圖和速度特性表示;普通雙筒液壓減振器臨界速度較低,易發生特性畸變,且低溫條件下更易發生畸變。
  20. Taking the bending stiffness, cable sag and cable inclination into consideration, the space vibration control of the cables using the visco - elastic dampers in cable - stayed bridges is investigated by joining the center difference method and the state space strategy. both the maximum modal damping ration and the optimal damper size are obtained, then the practical suggestions are proposed for the design of the dampers. the space nonlinear vibration equations of the cable - damper system are derived, and a new hybrid method for solving the cable - damper system is presented by combing the newmark method and pseudo - force technology

    綜合考慮了拉索抗彎剛度、垂度的影響,研究了粘彈性器對斜拉橋拉索的空間振動控制,聯合中心差分方法及狀態空間法,得出了拉索麵內、振動各階模態可能達到的最大比及相應的最優器系數,並對斜拉橋拉索的器設計提出了參考建議:考慮拉索抗彎剛度、垂度及幾何非線性,導出了索-器系統的空間振動非線性方程組,結合newmark方法及偽力( pseudo - force )方法,創新地提出了求解非線性方程組的雜交方法,根據拉索-器系統的特性,在各種荷載作用下,對索-器系統的非線性瞬態振動響應進行了研究,從系統響應的角度更加直接地驗證了器的控制效果。
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