面外振動 的英文怎麼說

中文拼音 [miànwàizhèndòng]
面外振動 英文
out-of-plane vibration
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ名詞1 (外面) outside; external side 2 (外國) foreign country 3 (以外) besides; beyond; in ...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內土力學專著及地基基礎設計規范中的條形基礎(平問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的測法進行了研究,為各類地基(包括巖基) ,匯總了力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  2. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎,對慣性制器在制時的進行數學建模,然後用matlab對其進行模擬,得出了慣性制器在制角頻率分別與制環和摩擦片之間的摩擦系數、制力的平均半徑、主頂和花鍵軸的轉慣量、慣性制器的凹凸螺旋的螺旋升角、凹凸螺旋平均作用力的半徑、彈簧的彈性系數、主頂和花鍵軸的質量、慣性制器除主頂和花鍵軸其他部分的轉慣量和、頂壓套的質量等慣性制器各零部件的物理參數之間的關系,為慣性制器的結構優化提供了理論依據。
  3. Based on a duralumin flexible beam with piezoelectric films attached, distributed parameter modal described by partial difference equations is builded, and then turned into a set of two order systems with the method of modal analyse. state feedback control and independent modal control is investigated. and simulation of the closed - loop system with thest two methods is performed in matlab

    並用模態分析的方法,將系統的偏微分方程模型轉化成了模態模型;研究了狀態反饋和獨立模態方法;進一步完善了軟體界以及軟體功能;在實際系統中,應用狀態反饋演算法,有效抑制了懸臂梁在受到界瞬時脈沖擾和激引起的一階、二階模態
  4. Production and processing equipment : bearing production equipment, the ball processing equipment, bearing cleaning equipment, packaging equipment bearings, needle roller processing equipment, light jewelry processing equipment, spherical roller processing equipment, rough processing equipment, double - end grinders, spindle, wheel oilstone and other grinding materials, heat production, high - precision coordinates grinder, and outside grinder, seal marking machine, profilometry, contour dynamic analysis, hardness needle - sorting machine, a round instrument, processing tester, processing meter, dynamic vibration and noise analysis, vibration, noise testing device raceway ultra - precision instrument, roughness measuring instrument, the finish detector, sorting machine, converters and bearing products preservatives, lubricants, cleaning agents, such as processing raw materials

    生產及加工設備:軸承生產設備球加工設備軸承清洗設備軸承包裝設備滾針加工設備光飾加工設備球滾子加工設備毛坯加工設備雙端磨床電主軸砂輪油石和其他研磨材料熱處理生產高精度坐標磨床內圓磨床印子打標機輪廓測量儀輪廓態分析儀硬度針分選機圓度儀加工測試儀加工測量儀噪聲態分析儀震噪聲測試裝置滾道超精儀粗糙度測量儀光潔度檢測儀分選機變頻器及軸承產品防腐劑潤滑劑清洗劑加工原材料等。
  5. Abstract : in this paper, the reason arisen from the noise of the bx1 ac arc welder is analysed. for the main factor, moving core viberating, the measure to reduce the noise is advanced from three hands, inside and outside slide. the other measure is also advanced for the second factor

    文摘:對bx1系列交流弧焊機噪聲產生的原因進行了分析,針對產生噪聲的主要原因? ?鐵芯的,從三個方、內滑道分別提出了具體的降低措施,並對次要原因也提出了具體降低措施。
  6. At present, the infrared transmission spectroscopy is the best technique for determining whether jadeite is polymer - impregnated or not, and the infrared reflectance spectroscopy is a nondestructive and rapid determination method that provides mainly the fundamental frequency vibration spectra data of minerals and shows new application potentials in gemological research, especially in the identification of gem species

    摘要紅透過光譜技術是當前鑒別翡翠是否有聚合物充填的最好方法,而紅反射光譜技術是一種快速、無損傷的測試方法,主要提供礦物的基頻光譜信息,在寶石學研究方特別是鑒定寶石種屬方顯示出新的應用可能性。
  7. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介電路進行了原理設計與分析,利用差測量技術得到由引起的微小電容變化量,經c - v介電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。
  8. Bearings roller bearings and other components. bearing ring precision rolling production line ; a high - precision, super efficient grinding automatic production line ; bearing assembly line ; signal processing equipment ; blank processing equipment ; crowning roller grinder ; end - grinder ; coordinate precision grinder ;, cylindrical grinder ; surface grinder ; spherical roller processing equipment ; raceway grinder ; heat treatment ; needle processing equipment ; polishing processing equipment ; roller - seiki ; rolling auto - sorting machine parts bearing hardness sorting machine bearing cleaning equipment ; contact angle measuring instrument ; contour meter ; bearing life experimental device ; bearing packaging equipment ; roundness instrument ; dynamic vibration noise analyzer ; noise vibration test equipment ; printing machine measuring instrument ; roughness tester ; scanning electron microscope ; finish detector ; inverter ; spindle, wheel, whetstone and other grinding materials

    軸承套圈精密輾擴生產線高精高效磨超自生產線軸承自裝配線球加工設備毛坯加工設備凸度滾子磨床雙端磨床高精度坐標磨床內圓磨床平磨床球滾子加工設備溝道磨床熱處理生產滾針加工設備光飾加工設備滾道超精機滾體自分選機軸承零件硬度選別機軸承清洗設備角接觸測量儀輪廓測量儀軸承壽命實驗裝置軸承包裝設備圓度儀噪音態分析儀噪音測試裝置印字機加工測量儀粗糙度測試儀掃描電子顯微鏡光潔度檢測儀變頻器電主軸砂輪油石和其他研磨材料
  9. A comparison of the flows with different gate - opening rates shows the causes that opening the gate at a higher rate is favorable to the reduction of cavitation, gate vibration as well as the gate load fluctuation. in addition, a study has been made to show the influence of the high - speed jet flow coming downward from the narrow gate gap on the flow condition in the tunnel downstream to the gate

    通過分析比較不同閥門開啟速率對流特性的影響,闡明了快速開啟閥門不僅有利於減少空化空蝕也有利於減小弧門和啟門力的脈,此,研究了門楣處狹窄縫隙高速射流對門后流態、壓力脈和弧門受力等方的影響。
  10. In the processing of the numerical simulation of lrv dynamics, knowing from the creepages of irw first, wheel profile has sensitive effect on irw creepages, so the wheel profile should be selected cautiously to optimal the vehicle dynamic behaviors. next, the longitudinally creep force is disappeared, so the self - oscillation vvill do n ' t occur and the bogie is stability. while the natural steering action of vheelset is lost which means that some sort of steering action is necessary to keep the wheelset appropriately aligned on a curve

    在輕軌車輛力學數字模擬計算中,通過對獨立旋轉車輪蠕滑率的分析知,車輪踏形對其影響十分敏感,適當的選取獨立旋轉車輪踏形可以優化車輛的力學性能;採用獨立旋轉車輪,縱向蠕滑力不復存在,自激不會發生,轉向架也就穩定;但同時,常規輪對具有的自導向功能西南交通大學碩士研究生學位論文第11頁也失去了。
  11. When the train moves, the wheel and ' the track system will interact each other. because of the action of the wheel, the track may bright bent transformation, and the transformation change into load, which act on the foundation. then the ground will be vibration caused by the transformation spreads in the ground

    軌道系統由鐵軌、枕木和碎石墊層組成,列車在運行時車輪與軌道系統會產生相互作用,由於輪重的作用使軌道產生彎曲變形,彎曲變形轉化成作用在地基上的荷載引起地基,這一通過周圍地層向傳播,導致周圍地
  12. Further radio monitoring, oscillation and narrow band are offered

    ,公司也提供關于無線電監控、和窄頻帶方的服務。
  13. All partners, also for measuring tehcnique for radio, base systems and development tools and services and / or machinery software reach you by telephone

    ,公司也提供關于無線電監控、和窄頻帶方的服務。
  14. Stay cables of the long - span cable - stayed bridges are susceptible to vibration under wind loading, or wind incorporated rain excitation, or deck motion due to high flexibility, relatively small mass and very low inherent damping, such as vortex shedding, wake galloping, parameter resonance and wind - rain induced vibration. large - amplitude vibration of cables may reduce the life of cables and threaten safe traffic, and has been considered today as one of the most critical problems for this type of bridge

    大跨度斜拉橋拉索具有較小的質量和極低的阻尼,在風、風雨及橋部激勵下極易發生,如渦激共、尾流馳、參數共和風雨等,拉索的大幅對拉索的使用壽命和橋梁安全運營構成極大威脅,它已成為大跨度斜拉橋急需解決的關鍵問題之一。
  15. Base on review of existed study and application in suppressing cable vibration in the world, technique of mitigating cable vibration with viscous damper and mr damper has been investigated in this dissertation, and the main contents and progresses in form of summary are as following : 1 the motion differential equations of the cable - damper system are formatted, which take into account these factors, such as the inclined angle, sag, stiffness etc. coupling motion between cable and deck is studied with analytical and numerical method. numerical results show that large amplitude vibration of cable with beat rhythm will occur when exciting frequency of deck equals two times modal frequency of cable

    本文在對國內斜拉索控制研究與應用現狀進行綜合評述、分析的基礎上,針對上述問題進行了深入研究,具體的研究內容和取得的成果包括: 1 、建立了斜拉索-阻尼器系統運方程,對拉索與橋的耦合作了分析和研究,數值結果顯示當橋頻率等於某階拉索模態頻率的兩倍時,很小的初始擾將引起拉索的大幅,並呈現拍的特徵,與實測的拍信號一致。
  16. Based on the acoustic radiation mode analysis, the transfer matrix relating the pressure at every field point to normal component of surface velocity is formed

    摘要基於聲輻射模態分析,建立了部場壓和結構表速度之間關系的傳遞矩陣。
  17. Abstract : based on analyzing the fault mechanism for fire - loss bush of the main bearing in nd2 diesel engine, the paper firstly presents the relations between exciting source of vibration and fire - loss bush fault ; then introduces experiments on vibration detection and diagnosis of the engine ; finally, the results show that the condition of fault for the main bearing can bediagnosed through detceting the vibration of engine base surface

    文摘:在對nd2機車柴油機滑主軸承燒瓦故障機理分析的基礎上,闡述了柴油機的激勵源及特徵量與燒瓦故障之間的關系,並介紹了柴油機的監測與診斷的試驗研究,試驗結果表明:利用機座特性的變化可以診斷出機車柴油機主軸承的故障狀態。
  18. None but is the test spectrum abundant and controllable, it is possible to simulate the stresses environment needed for exposing weakness of the product. based on summarizing the present status of the vibration test and vibration environment simulation technology in the world, the topic of simulation of super - gaussian random vibration environment with controllable frequency spectrum and its applications in reliability enhancement testing is put forward. the main content and conclusions of the dissertation are as following : 1

    本文在綜述國內試驗技術和環境模擬技術的基礎上,引出「頻譜可控的超高斯隨機環境模擬技術及其在可靠性強化試驗中的應用」這一主題,並緊緊圍繞該主題開展了如下研究工作: 1 .全分析了激勵的功率譜密度量級、幅值分佈、帶寬以及試件結構的固有頻率、阻尼比等因素對疲勞損傷累積的強化效應,提出強化試驗激勵信號應具備的重要特性:頻譜可控和超高斯,確立了本文的研究主題和方向。
  19. The ratio of story shear rigidity as well as the equivalent lateral rigidity ratio of story above the transfer story to the story under the transfer story should be designed properly to avoid the transfer story becoming weak story, thus the shear walls and the columns in the large base will not yield before the elements above the transfer story ; ( 2 ) the translation - torsion coupled effects and the vibration in the plane should be considered in analysis of structure with large base and muti - towers

    轉換層的設計除應控制層剪切剛度比,還應控制轉換層上部與下部結構的等效側向剛度比以避免薄弱層出現在框支層,保證地震作用下落地剪力墻和框支柱不先於轉換層上部結構進入屈服狀態;大底盤多塔樓結構的分析必須考慮平扭耦聯和樓板平的影響。
  20. Because the reality modes of structure mostly are vertical direction arch truss vibration, so model vibrations in outer plane are restricted in analysis. in experiment, the front three modes of vertical directions are achieved through vibration exciter in the structure

    由於結構實際型是以豎直方向的桁架為主,因此在分析時將模型平面外振動進行了約束,試驗中通過對結構進行激,利用共曲線測得結構豎直方向前三階型。
分享友人