阻尼阻力 的英文怎麼說
中文拼音 [zǔnízǔlì]
阻尼阻力
英文
damping resistance-
Various aerodynamic devices, as well as passive dampers and serve dampers, are available.
各種空氣動力裝置以及無源阻尼器和伺服阻尼器是可用的。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能明顯提高軸承的承載能力,具有更優越的阻尼特性和穩定性,故得到廣泛的關注。The cost of screen drag is appreciable in almost all installations.
阻尼網的阻力損耗在幾乎所有的裝置中都是很大的。Numerical simulation on damping effect of impacted roof and its analysis with chaotic dynamics theory
沖擊性頂板運動阻尼效應的數值模擬及混沌動力學分析On the basis of the hamilton ' s principle, the element mass matrix, stiffness matrix, and damping matrix caused by coriolis force of the finite method for the conveying fluid tubes were educed in the paper
本文用哈密頓變分式推導輸送流體管道的有限元法分析單元質量矩陣、剛度矩陣和科里奧利力引起的阻尼矩陣。Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained
人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法,使其可應用於變形體連接的多體系統,並以此理論為依據建立人體整椎脊柱沖擊動力學模型,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合,最後得到腰椎間關節剛度系數因子和阻尼系數因子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。The heavy damping makes it impractical to read gravity directly from the displacement of the beam.
高阻尼不能使其直接從橫臂的位移讀出重力值。The aerodynamic characteristics of a projectile with wrap around fins are studied systematically in this paper, as follows : 1. the lift coefficients 、 drag force coefficients 、 pitch moment coefficients 、 pitch damping moment derivatives and roll damping moment derivatives are obtained from engineering calculation through looking wrap around fins as flat fins of the same projection aera
本文對某卷弧尾翼彈氣動特性進行了系統研究,主要內容與結論為: 1 .將卷弧翼按照相同投影面積的平板翼進行工程估算,得到升力系數、阻力系數、俯仰力矩系數、俯仰阻尼導數、滾轉阻尼導數曲線。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。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
該類軸承為帶阻尼環的推力軸承,在結構和材料上跳出傳統框架,陰尼環具有減振、抗噪、自潤滑、耐磨、耐沖擊等功能,是傳統推力止推軸承壽命的數倍。The motion of plunger of oleo damper excited by colored gaussian noise with exponential correlation time is governed by first order nonlinear differential equation
摘要油液阻尼器受指數型高斯色噪聲外激勵時,活塞在油腔內的運動可用一階非線性動力學方程描述。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阻尼減振器的結構和工作原理,運用流體力學理論,建立了該減振器阻尼特性的非線性參數化模型,模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、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阻尼性能的影響,通過試驗測試,得到了減振器樣件的阻尼特性及其可調范圍。Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it
比較靜力風荷載和動力風荷載作用下的有限元軟體的計算結果,選取結構邊緣部分的兩個節點,對比它們在兩種方法計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風荷載的橫向振動是很敏感的,在進行工程設計時應該考慮這種因素,並可採用乘以風振系數等相應方法來加以體現。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 ,由於阻尼性能測試出現第二個內耗峰,不同熱處理態試樣阻尼性能的大小沒有明顯的規律性。On the accuracy of several explicit integration schemes for dynamic equation with damping
有阻尼動力方程顯式積分方法的精度研究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Uses the sourceless magnetic damping tensor to control winding tension
繞線張力控制採用無源磁阻尼張力器控制。The traditional no - damp equation of a engine - mount system was modified with consideration of gyro effect
摘要應用陀螺力學理論,對傳統動力總成懸置系統的無阻尼動力學方程進行修正,引入陀螺矩陣,得到新的動力學方程。分享友人