阻尼能力 的英文怎麼說

中文拼音 [néng]
阻尼能力 英文
bounce
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  • : 能名詞(姓氏) a surname
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 能力 : ability; capacity; capability
  1. People now pay much attention at porous aerostatic bearing which has obviously higher load capacity and better damping characteristic and stability. there are two kinds of porous aerostatic bearing : the whole porous and partial porous

    多孔質氣體靜壓軸承明顯提高軸承的承載,具有更優越的特性和穩定性,故得到廣泛的關注。
  2. The heavy damping makes it impractical to read gravity directly from the displacement of the beam.

    使其直接從橫臂的位移讀出重值。
  3. Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that, compared with the least - square solutions and the damped least - square solutions, the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information, which benefited the suppression of noises and made the iterations of inverse stable and convergent

    結果表明,相對于最小二乘法和最小二乘法,基於自然權的加權最小二乘演算法,由於利用了正確的先驗信息,不但使反演過程收斂,而且具有數值穩定、抗噪強的優點,其成像結果真實有效地反映對象內部缺陷,因此更適用於混凝土的超聲波速度反演。
  4. Compared with straight ray tracing, inversion of bending ray tracing is better when data of test are accurate. on the other hand, natural weight is introduced and numerical simulations and experiments of wlm on inversion of velocity and attenuation are also made, which show that wlm, with resistance of noises and convergence of iteration, may get good re - construction images

    本文引入了物理意義明確的自然權,對基於自然權的加權最小二乘反演演算法( wlm )在速度反演、衰減反演中進行了數值模擬和試驗研究,結果表明wlm均獲得良好的重建圖像,迭代收斂,抗噪強。
  5. Damping bearing is a kind of bearing with damping ring. it is not the same as traditional bearing not only on geometry but also on material. damping ring has many merits such as perfect abrasive resistance, good noise proof ability, good self - lubricating property, excellent resistance to impact and its life length is much longer

    該類軸承為帶環的推軸承,在結構和材料上跳出傳統框架,陰環具有減振、抗噪、自潤滑、耐磨、耐沖擊等功,是傳統推止推軸承壽命的數倍。
  6. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分體式充氣可調減振器的結構和工作原理,運用流體學理論,建立了該減振器特性的非線性參數化模型,模擬分析了活塞閥孔徑、調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器的影響,通過試驗測試,得到了減振器樣件的特性及其可調范圍。
  7. 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隨上部結構荷載變化的規律; (二)通過單柱承載試驗,測定了古建築中木柱的受變形特徵、破壞模式、及模型材料的變形模量、極限承載、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?恢復特性及滯回曲線,斗?抗壓極限承載及受變形規律; (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、特性及比;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、耗減振參數等進行了定量分析。
  8. Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed

    根據磁流變器特性和對懸架系統動學特性的規律性研究,為磁流變器設計了基於「天棚」控制概念的「 on - off 」 、線性連續和修正的線性連續控制策略,基於「地棚」控制概念的磁流變線性連續控制策略, 「天棚」和「地棚」控制概念線性組合起來的磁流變混合控制策略,根據模糊控制原理設計了以簧載質量和非簧載質量間相對位移或簧載質量加速度分別作為輸入變量的模糊邏輯控制器用於磁流變半主動懸架的智控制。
  9. While adopts bang - bang control to realize semi - active control of vehicle suspension system equipped with electrorheologic damper, the coulomb damping force of electrorheologic damper is fixed, as the bang - bang control is two - value control actually. the bang - bang control cannot make full use of performances of the electrorheologic fluids

    由於開關控制是一種二值控制,採用開關控制策略實現對電流變液器半主動控制懸架系統的控制時,電流變液器輸出的庫侖無法連續變化,不充分發揮電流變液的特性。
  10. By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved

    由於磁流體具有較大的導磁率,可提高矩馬達磁路效率、增大矩馬達的輸出矩和位移,從而增加伺服閥的輸出流量;同時,利用磁流體的粘度特性,可增強矩馬達及抗干擾,從而增強伺服閥及伺服控制系統的穩定性。
  11. The relationships of modal damping versus the stiffness of cables, the attachment height of damper and damping constant are obtained. with the optimal structural control method, a new approach to determine the optimal damping constant of viscous damper is presented. the first a few modal damping can be optimized simultaneously under the optimal damping constant of damper, which is more convenient than the existed design method

    4 、對拉索-粘性器系統的動特性進行了研究,得到了拉索剛度、器安裝高度及系數等參數對拉索系統模態比的影響規律;根據最優控制原理,提出了一種確定器優化系數的方法,該方法確定的系數保摘要證前幾階模態比得到整體優化,改進了現有的設計方法。
  12. Get the damping coefficient of each sample, and use it to reflect the resistance which wave energy suffers inside of breakwater 7

    6 、得出各個樣本的系數,並用其反映波在堤心內傳播所受的
  13. According to the shear - type floor model of frame structure, a basic control equation is constructed to analyze the nonlinear seismic responses of structure equipped with edd - bracing system. subsequently the dynamical finite element analysis are carried on to obtain the seismic response of a twelve - floor r. c frame with the three edd - bracing system under minute earthquake and disastrous earthquake, and the conclusions provide useful references for practical earthquake - resistant design

    基於框架結構剪切型層模型,建立了耗器對建築結構非線性地震反應的基本控制方程,由此進行了某十二層鋼筋混凝土框架結構設置三種耗器在多遇和罕遇地震下的動有限元分析,為進行實際結構設置耗器的抗震設計提供了有益的參考。
  14. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分:首先利用frank源匯法計算水動系數,計算包括不同吃水時的附加質量和系數,吃水范圍涵蓋了船舶大幅度運動時所有可的吃水;然後建立和求解船舶大幅度運動方程,在實際計算時一方面考慮了運動模態之間的耦合,另一方面在計算水動時,考慮了非線性因素的影響。 froude - krylov、輻射、繞射中的水動系數隨吃水瞬時變化,靜浮的計算精確到船體瞬時濕表面積,最後用四階龍格?庫塔方法在時域內求解船舶運動方程,並進行了載荷計算。
  15. The platform can analog rolling and swaying motion of ships. the moment of inertia, damping and restoring force can be adjusted

    該試驗臺架夠模擬船舶的橫搖運動和橫蕩運動,試驗臺架的轉動慣量、矩和恢復矩可調。
  16. To test the performance of anti - rolling tank more conveniently, the paper sets up the test platform of two freedoms. the platform can analog rolling and swaying motion of ships

    該試驗臺架夠模擬船舶的橫搖運動和橫蕩運動,試驗臺架的轉動慣量、矩和恢復矩可調。
  17. So choose parameter of damping device with reduce energy storage to improve cvt become and respond effective way of characteristic wink rational, this increases the capacity of sending for raising the dynamic stability of the supervoltage power transmission and transformation system, guarantee power system safe and reliable to run and have important technology economic meanings

    因此,合理地選擇器的參數以降低儲是改善cvt瞬變響應特性的有效途徑,這對于提高超高壓輸變電系統的動態穩定性,增大輸送容量,保證電系統安全可靠運行具有重要的技術經濟意義。
  18. Over a 100 to 270 temperature range, the damping capacities are ranked from great to small as follows : sample cooled in furnace, sample cooled in the air, sample quenched at - 70 ( sample quenched at - 195 ) and sample quenched in water

    在100 270范圍內,不同熱處理態材料阻尼能力的大小以次為:其爐冷空冷70淬火- 195淬火水淬。超過270 ,由於測試出現第二個內耗峰,不同熱處理態試樣的大小沒有明顯的規律性。
  19. Martensitic transformation and damping capacity of co41ni33al26 alloy ribbons fabricated by cold rolling method

    26合金冷軋帶材相變與阻尼能力
  20. In this paper, the major aim is that advancing a new, simple and accurate mechanical model and establishing analysis design method about magnetorheological structure. the following work is done : ( 1 ) the mechanical model of the magnetorheological damper. base on several mechanical models which are used to analyze the mechanical abilities of mrd a new, simple and accurate mechanical mode ? igmoid is advanced

    本文以提出一個新的且簡單準確的磁流變器的學模型,並建立一套關于磁流變結構的分析方法和設計方法為目的,主要完成了以下工作: ( 1 )磁流變器的學模型在了解和掌握用於分析磁流變學特性的幾種學模型的基礎上,提出了一個新的,形式較為簡單且較為準確地反映學特性的sigmoid模型,並且將幾種模型進行了對比分析。
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