自阻尼 的英文怎麼說

中文拼音 []
自阻尼 英文
self-damping
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  1. Adaptive modal damping control experiment for piezoelectric structures

    壓電結構的適應模態控制實驗
  2. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的地震動,在擬合多比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進適應交叉概率和變異概率,可以根據當前樣本的好壞程度來動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。
  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、抗噪能力強的優點,其成像結果能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然權,對基於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均能獲得良好的重建圖像,迭代收斂,抗噪能力強。
  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力軸承,在結構和材料上跳出傳統框架,陰環具有減振、抗噪、潤滑、耐磨、耐沖擊等功能,是傳統推力止推軸承壽命的數倍。
  6. The use of the free undamped normal modes is seen to ensure that the linear and angular momenta of the distortional motion vanish.

    看來採用由無正規模態可保證變形運動的線動量和角動量為零。
  7. Iv ) revolute joint element, nonlinear spring - damper element, 3 - d 5 points contact element are applied to simulate the revolute restriction between two caterpillar boards, suspension nonlinear vibration, contact between wheels and caterpillar boards, and contact between caterpillar boards and ground are considered respectively. drucker - prager material is employed to simulate reinforced concrete

    4 、應用大幅度轉動約束單元、非線性彈簧單元、三維五節點接觸單元分別模擬行火炮履帶板之間的轉動約束連接、懸掛非線性振動及負重輪與履帶板之間的接觸和履帶板與地面的接觸問題;根據材料非線性理論,提出利用drucker ? prager材料建立土壤的非線性有限元模型。
  8. 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、耗能減振參數等進行了定量分析。
  9. Compared with the passive car suspension, the semi - active car suspension system with the intelligent mr damper can control the damping force automatically with the computer control and then enhance the ride comfort and handling stability of the car effectively

    與傳統的汽車被動懸架系統相比,裝有磁流變器的半主動懸架系統,可以根據路面狀況和車輛運行狀態,在計算機的控制下動調節力,大大提高了汽車乘坐的舒適性和行駛安全性。
  10. Keeping the self - adjusting of damping behavior when the controllability of semi - active damping is disable, or saving the unnecessary energy when the continuous modulation of damping is not needed, the composite structure for self - shifting between passive and semi - active structure is presented

    摘要當磁流變減振器半主動功能失效時,為保持其性能仍具一定的調節性或實際路況不需無級調節時,節省不必要的能耗,提出用於車輛半主動懸掛系統的被動與半主動功能動切換的復合結構磁流變減振器。
  11. Those sensitive parameters making system have negative damping and occur self - excited shimmy are horizontal pulling lever rigidity, tire sideslip rigidity, steering gear rigidity and damping, kingpin equivalent damping, kingpin caster angle, tire drag. and wheel center distance, tire side rigidity, vehicle wheel unbalanced mass, tire vertical rigidity, and distance from kingpin center to the vertical central line plane of tire have great influence on shimmy, but they do n ' t make the system have negative damping. and horizontal pulling lever damping, suspension damping and rigidity have very small influence on shimmy

    橫拉桿剛度、輪胎的側偏剛度、轉向機剛度、轉向機、繞主銷當量、主銷后傾角、輪胎拖距是影響擺振的敏感性參數,適當調節某一參數可引起系統的負,使系統產生激擺振;輪距、輪胎側向剛度、車輪上的不平衡質量、輪胎垂向剛度及主銷延長線與地面交點至車輪平面的距離對擺振的影響也較大,但不會使系統出現負;而橫拉桿、懸架與懸架剛度對擺振的影響很小。
  12. On one hand, it may exert damping on the armature of torque motor and overcome self - excitation of jet pipe. one the other hand, it may enlarge magnetic permeability of working clearances and improve magnetic circuit efficiency of torque motor to boost dynamic response speed of servo valve

    一方面可增大力矩馬達工作氣隙部分產生的,從而可以抑制射流管的激,另一方面又可增大工作氣隙的導磁率,改善力矩馬達部分的磁路效率,從而提高伺服閥的動態響應速度。
  13. Dipl. ing. eugen vom cleff gmbh offers offers on shaft seals, o rings and hydraulic packings. additionally also on radial shaft sealing rings and shaft seals

    該企業為您提供器、減震器、消聲器、減擺器、扭轉振動減振器、汽船、調節風門、裝置、密封環和緩沖裝置以及棒料密閉和緊油封的報價。
  14. Guide for conductor self - damping measurements

    導線自阻尼測量指南
  15. Guide on conductor self - damping measurements

    導線自阻尼測量指南
  16. Self - damping conductor

    自阻尼導線
  17. Self - damped conductor

    自阻尼導線
  18. Damping characteristic and force - restoring model of self - damping laminated rubber isolation bearing

    自阻尼疊層橡膠隔震支座特性及恢復力模型
  19. Research on mechanical properties and stiffness analysis of self - damping steel - plate - laminated - rubber - bearing - isolation support

    自阻尼疊層橡膠隔震支座力學性能試驗研究及剛度分析
  20. Analyses of computational model and vibrating characteristics of the base isolation structure made of self - damped rubber laminated - support

    自阻尼疊層橡膠支座基礎隔震結構的計算模型及振動特性分析
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