強阻尼 的英文怎麼說
中文拼音 [qiángzǔní]
強阻尼
英文
heavy damping-
Overdamped forced oscillation
過阻尼強迫振蕩The rheological equations, derived from n - s equation in hydromechanics employing the newton fluid model and the bingham plastic model, demonstrate that damping force can be controlled by changing the magnetic field in the gaps. 4
流變學方程表明:改變阻尼通道的磁場強度可以控制磁流變阻尼器的阻尼力,從理論上分析了磁路參數和阻尼通道的結構參數對磁流變阻尼器阻尼力的影響。Galloping oscillations are usually violent and must be damped structurally, which is a near impossibility.
疾振通常是強烈的,必須從結構上進行阻尼,但實際上幾乎不可能做到。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阻尼最小二乘法,基於自然權的加權阻尼最小二乘演算法,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。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阻尼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。Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy
一般的優化方法,僅僅考慮了參數對其目標函數的影響,而實際情況下有些參數是變化的,產品的結構參數(如幾何尺寸、間隙等) 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異,這種差異稱為設計變量和噪聲因素的變差。( 2 ) increasing of wind is mainly induced by shf and affecting of lhf is very little. ( 3 ) effect of terrain increases ground rough and tonsure of terrain press and fiction correspond enhance frictional damp effect
( 3 )地形作用相當于增加了地面粗糙度,地形壓力梯度項與摩擦項地疊加,相當于使摩擦阻尼作用增大,地形強迫作用使下邊界層從上至下風速減小,風向向左偏轉。This may be damped or undamped forced notion.
它可以是阻尼強迫運動或非阻尼強迫運動。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,可提高力矩馬達磁路效率、增大力矩馬達的輸出力矩和位移,從而增加伺服閥的輸出流量;同時,利用磁流體的粘度特性,可增強力矩馬達阻尼及抗干擾能力,從而增強伺服閥及伺服控制系統的穩定性。The development and disappearance of the acoustic oscillations are influenced by the nozzle throat size and open - time of the plug
計算結果表明,這些影響包括了聲振的強度、阻尼和頻率,發動機點火后噴管喉部尺寸和堵蓋打開的時間影響到振蕩波的發展和消失。According to the direction and damping characteristic of the torque produced by the magnetorquers, the three axis attitude control schemes of gravity gradient satellite and other satellite with damper is presented. the control coefficients are determined by the dynamic characteristics of geomagnetic intensity, so the attitude control precision is improved
根據磁力矩在地磁場中的定向阻尼特性,提出了磁控重力梯度衛星和攜帶阻尼器的非重力梯度姿態控制規律,根據地磁場強度變化規律選擇控制系數,提高衛星的姿態控制精度。Strong damping effects are possible because of solid particles in the chamber.
燃燒室內的固體顆粒可能引起強烈的阻尼效應。Damping property of glass - fiber - cored lead - wire reinforced rubber composite
玻璃纖維芯鉛絲增強橡膠復合材料阻尼性能研究The suspension of the mirrors must be very frictionless, but strongly damped.
反射鏡的懸掛既要無摩擦,但又要有強阻尼。Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system
統一潮流控制器( upfc )是功能最強、最具發展潛力的靈活交流輸電系統( facts )控制器之一,如果在常規條件下,用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能,在發生單相永久性接地或單相斷路故障時,由傳統的三相跳閘改為單相跳閘,用upfc的並補來濾除兩端系統的零序和負序電流,用upfc的串補來提高輸電線的傳輸功率,以實現兩相長期運行,那麼輸電系統的穩定性、可靠性將大大提高。These systems always employ damping devices to intensify the energy dissipation ability of civil engineering structures
這些系統通常是增加阻尼裝置來增強結構的能量耗散能力。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外傳播的pump波有強烈的相混作用,從而對共振層附近的pump波有很強的阻尼作用。The damped solutions are very complicated. there are unoscillatory damped solutions and oscillatory damped solutions. the damped solutions are almost strongly damped, particularly in the degenerated situation
而阻尼解一般都較復雜,即存在無振蕩阻尼解,也存在振蕩阻尼解,阻尼解幾乎都是強阻尼的。Research on application of enhanced damping welded stainless wire screen mesh
增強阻尼型不銹鋼焊接弧形篩網的應用研究In this paper the local existence of solutions for a class of strongly damped wave equations is considered, and the global existence and blow - up of solutions based on the potential well theory is studied
摘要討論一類強阻尼波方程解的局部存在性,並利用勢井理論研究解的整體存在性和爆破性。分享友人