振動阻力 的英文怎麼說

中文拼音 [zhèndòng]
振動阻力 英文
vibration resistance
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 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...
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. 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

    比較靜風荷載和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、尼小的柔性建築物對風荷載的橫向是很敏感的,在進行工程設計時應該考慮這種因素,並可採用乘以風系數等相應方法來加以體現。
  2. 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臺試驗,測定了殿堂木構架結構自周期,地震反應形、尼特性及尼比;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、耗能減參數等進行了定量分析。
  3. Active damping suspension systems have been one of the major trends in the recent development of suspension systems. this paper reports a study on the active damping suspension system to reduce vehicle vibration

    尼懸架技術是當今車輛懸架技術發展的趨勢之一,本論文從汽車學的角度對車輛懸架進行了研究。
  4. Not only do they look extremely beautiful and charming, but they also emit light that makes people feel very soothed. although they re very hard, we can penetrate them ; they re hard yet very tender ; tender, but indestructible, unlike noodles. i mean their vibrations are extremely subtle, and their existence doesn t obstruct anything

    高境界的鉆石或寶石沒有這么爛,不僅看起來好漂亮好漂亮,而且還會發光,令人很舒服,即使很硬,不過我們可以穿透過去硬,不過很軟軟,不過不會毀壞,不是像面條一樣,意思說它的非常微細,所以即使它存在,不過不會擋別的東西。
  5. Based on the special property of magnetic fluid ( mf ), we fill the magnetic fluid into the working clearances of the servo valve torque motor. one side, the magnetized magnetic fluid can exert a damping torque on the torque motor armature and reduce vibration of the armature ; on the other side, it can improve the magnetic circuit efficiency of the torque motor because of the magnetic fluid ’ s larger magnetic permeability

    基於磁流體所具有的特殊性質,將磁流體添加到伺服閥矩馬達的工作間隙中,一方面磁流體被磁化后可增大銜鐵的,減少;另一方面由於矩馬達氣隙中磁導率的提高,使氣隙中的磁通量增大,矩馬達的磁路效率和輸出扭矩將增大,因此可以提高矩馬達的固有頻率和伺服閥的響應速度。
  6. A 2dof vehicle structure model with mr damper is established, a sliding model controller is designed, and the real - time control damping force of suspension system is educed

    摘要建立了履帶車輛1 / 2車體模型,設計了相應的滑移面和滑移模態控制器,得出了履帶車輛半主懸掛系統的實時控制,並對路面激勵下滑模控制與最優控制的減效果進行了模擬。
  7. Under the condition of knowing the mass, stiffness, damping and the real vibration response of stem, the propeller pressure impulses of blade frequency are deduced, these belong to structure dynamics problem that is loading identification problem

    摘要在已知船舶的質量、剛度、尼以及實測尾端速度的條件下,反推出螺旋槳葉頻激
  8. Increases in magnetic field frequency decreases the capability of the dis - type mr fluid damper to reduce rotor vibration

    隨著磁場頻率的增大,盤型磁流變流體尼器抑制轉子的能減小。
  9. As a new type of energy - saving equipment, the tubular heat exchanger with longitudinal flow of the shellside fluid ( thelfsf ) has many remarkable advantages. it betters anti - vibration and anti - smudge performance, enhances heat transfer efficiency, and decreases the shellside pressure loss. it also prolongs service lifetime, reduces the weight and saves material

    新型縱流殼程換熱設備作為一種新一代節能降耗設備,具有優良的防流體誘導性能、傳熱性能好、傳熱效率高、流體流小、抗結垢能強、重量輕等優點,是鄭州大學「熱能工程研究中心」專利產品,為了加快該設備的推廣, 「中心」研發了hecad軟體系統,實現了新型換熱設備工藝設計、機械設計、零部件,圖及總裝圖繪制一體的cad軟體化。
  10. 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

    對衛星平臺姿態對紅外相機掃描機構轉的影響進行了系統深入的模擬分析:首先在步進電機驅矩一定條件下,模擬分析了星體姿態運干擾矩對紅外相機掃描鏡轉的影響;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矩、干摩擦矩、平臺干擾矩等負載轉矩的共同作用下的轉情況。
  11. 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構件,由於拉索自身的質量輕、柔度大、尼小,在外界激勵下,易發生各種,包括渦激、尾流馳、風雨、抖以及參數等。
  12. Matlab procedure is coded to compute the far - field sound pressure levels of the shell excited by radial point force. the influences of modal truncation, stringers, bulkheads and damping on the shell ' s far - field sound pressure are analyzed, laying down the basis for accurate analysis of the sound radiation from fluid - loaded reinforced double cylindrical shells

    本文用matlab編製程序求解了單層殼在徑向激勵作用下的遠場聲壓級,分析了模態截斷數、縱骨、艙壁板、結構尼等因素對殼體遠場輻射聲壓的影響,為準確計算加筋雙層殼在水下和聲輻射特性奠定了基礎。
  13. We did some analysis about the relativity between the vibration and the noise of the wheel. after the testing of the first line of guangzhou underground, we found that the existing wheel damper has nothing to do with the noise of wheel less than four thousands hz. compared of different contributions of the tread vibration and the web vibration on sound level of railway noise

    在實驗過程中,改進了對車輪的激方式,利用單擺激提高了激的精度;實驗分析了車輪尼器的結構、安裝方式及其學參數對車輪尼器降噪效果的影響;也分析了車輪與噪聲的相關性;現場測試廣州地鐵一號線的噪聲特性,確定了車輪尼器所要控制的頻率范圍;對比分析不同激情況下,踏面徑向與輻板軸向對噪聲聲壓級的貢獻比例。
  14. The phase structure of different cu - fe thin films were studied by using grazing incidence x - ray analysis ( gixa ). the texture and residual stress of different cu - fe thin films were measured by scan of x - ray diffraction ( xrd ) and 2 scan with different. the thicknesses of different thin films were characterized by means of small angle x - ray scattering ( saxs ) technique. by using atomic force microscope ( afm ) measured surface roughness of thin films. the component of different thin film was characterized by energy disperse spectrum ( eds ) and x - ray fluorescence ( xrf ). the magnetic properties of cu - fe thin films were measured by means of vibrating sample magnetometer ( vsm ). in addition, the giant magnetoresistance ( gmr ) effects of different films were also measured. the original resistance of the film fabricated by a direction - current magnetron sputtering system is directly affected by bias voltage

    利用掠入射x射線分析( gixa )技術對不同cu - fe薄膜的相結構進行了研究;利用xrd掃描及不同角度的2掃描對薄膜進行了結晶織構及殘余應分析;運用小角x射線散射( saxs )技術測量了薄膜的厚度;採用原子顯微鏡( afm )觀察了薄膜的表面形貌;運用能量損失譜( eds )及x射線熒光光譜( xrf )對薄膜進行了成分標定;使用樣品磁強計測量了不同cu - fe過飽和固溶體薄膜的磁性能;最後利用自製的磁性能測試設備測量了真空磁場熱處理前後不同薄膜的巨磁值。
  15. On the basis of considering the influences upon the conveyance motion of solid phased particles affected by parameters of motive path of sieve chest, inclination of sieve surface, azimuth of vibration, throwing index and adhesive resistance of well drilling liquid etc., the kinetics equations of conveyance speed and displacement of solid phased particles were established

    在考慮篩箱運軌跡、篩面傾角、方向角、拋擲指數和鉆井液粘附等參數對固相顆粒運移影響的基礎上,建立了固相顆粒運移速度和位移的學方程。
  16. 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,研究了粘彈性尼器對斜拉橋拉索的空間控制,聯合中心差分方法及狀態空間法,得出了拉索麵內、外各階模態可能達到的最大尼比及相應的最優尼器系數,並對斜拉橋拉索的尼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-尼器系統的空間非線性方程組,結合newmark方法及偽( 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-尼器系統的尼特性,在各種荷載作用下,對索-尼器系統的非線性瞬態響應進行了研究,從系統響應的角度更加直接地驗證了尼器的控制效果。
  17. Two models of friction are proposed, the simulation results show together : kurtosisness of torsional vibration will decrease, low harmonic and main harmonic of torsional vibration will increase when cylinder scoring

    創造性地利用了扭信號診斷柴油機拉缸故障。拉缸時,由於摩擦的增大,發機噴油量達到最大。
  18. In order to set up the dynamic model of swimming micro robot, this dissertation builds up the statics model and analyses the micro motion amplifying performance of micro robot mechanism, builds up the vibration model of micro robot and analyses the vibrating performance without and with damp, researches the propelling force of driven wing and the resistance of micro robot in liquid based on the theory of flat board resisting stream, builds up the dynamic model of swimming micro robot for the first time in nation and analyses its swimming performance which is influenced by driving signal frequency, amplifying performance of main machanism, area of driven wing, character of fluid and so on. this dissertation manufactures the micro robot and sets up the experimental environment and tests the amplifying effect and the vibrating performance

    本文建立了主體機構靜學模型,研究了主體機構的結構參數對微位移放大性能的影響;建立了主體機構模型,研究了主體機構在無液體尼和有液體尼情況下的特性;根據流體學平板繞流理論,研究了驅翼產生的推進和微機器人在流體中受到的;在此基礎上國內首次建立了泳微機器人的學模型,並對模型進行了深入的研究,詳細闡明了驅信號頻率、主體機構放大性能、主體機構特性、驅翼面積、液體性質等因素對微機器人泳特性的影響。
  19. By means of the theoretical analysis of the micromachined vibratory rate gyroscope, we get following conclusions : the microgyroscope can be driven by tangent electrostatic force produced by fence structure electrodes, and the normal electrostatic force can be neglected for the influence of the device property ; the parasitical capacitance and fringing effect can ’ t be neglected for the calculating of the detection capacitance ; the coefficient of damping force is comparatively little when the air damping in the driving mode and the sensing mode of the device is the couette flow damping

    主要內容如下: 1 .分析了微機械陀螺的運特性、靜電驅特性和在大氣下的尼特性,分析結果表明,可以運用切向靜電質量塊,法向靜電對器件特性的影響可以忽略;在計算微結構電容時,電容的邊緣效應和寄生電容不可忽略;在器件所受尼主要為庫埃特流尼的情況下,系數較小。
  20. Its main function is to complete heat exchange in technological process and reuse remaining heat, and its quality plays an important role in the investment in industrial process, power consumption and safe economic operation etc. as a new energy - saving equipment, the tubular heat exchanger with longitudinal flow of the shellside fluid ( thelfsf ) has many remarkable advantages

    其主要作用是完成工藝過程的熱量交換和余熱利用,其性能的優劣對工業過程的投資、能耗及安全經濟運行等起著重要作用。縱流殼程換熱設備作為新一代節能降耗設備,具有優良的防流體誘導性能、傳熱性能好、流體流小、抗結垢能強、使用壽命長、重量輕、節約材料等顯著優點。
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