等效阻尼 的英文怎麼說

中文拼音 [děngxiào]
等效阻尼 英文
equivalent damping
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  1. Theoretical analysis and computer simulation studies show that performance comparable to that of electro - control active damping suspension systems can be achieved with the hydraulic network model which can self - adaptingly adjust the damping of suspension to realize the optimal control by virtue of response of vehicle. in chapter 5, the effects of time - variant factors in the new active damping suspension system on reduction are investigated

    第五章研究了主動系統中的時變因數對減振系統的減振果的影響(包括路況、車速、載重油的粘度系數隨油溫變化而引起的變化,油液的彈性模量) ,並分析了模型簡化時一些被忽略的非線性因數對系統性能的影響。
  2. This paper put forward a method, which is used to identify the blow - off point of shock absorber valve system, based on the damping - displacement characteristic test of shock absorber, conversation of energy and equivalent damping coefficient

    摘要以減振器示功特性試驗為基礎,以能量守恆為依據,提出一種以等效阻尼系數為對象的識別減振器閥系開閥點的方法。
  3. Wear failure analysis of plasma spray coating on damping area of turbine blade

    渦輪葉片離子噴塗層磨損失分析
  4. Using the dynamic mechanical analyzer ( dma ), pdms / pma ipn was investigated at temperature of 5 - 180 c. the initiator, the component ratio, the type of pdms and the filler effected the damping properties. the result showed that the damping ability varied with the parameter and there was an optimal value. the excellent damping material in the papers was ipn, where tan man was 0. 735, and the damping functional temperature ranged with tan 8 > 0. 3 was 46 c. the micro - morphology and structure of pdms / pma ipn were characterized by two kinds of sem

    高分子材料的有功能區是在ipn材料的t _ g區間內,而研究常溫條件下的性能更具有重要應用價值,運用動態熱機械分析( dma )儀對ipn材料進行表徵,在5 180內對其損耗因子( tan )進行研究,發現引發劑和交聯劑的用量、聚硅氧烷的用量和分子量參數對ipn性能的影響較大,存在一個合理配比值,當pma與粘度為3300pa ? s的pdms之比(質量比)為1 . 17 : 1 、交聯劑用量為1時, tan最大值為0 . 735 ,大於0 . 3的溫域差達到46 。
  5. Analysis software. the analysis show : the gyroscope effect to the flywheel rotor ' s and the shaft ' s vibration character under high rotate speed should be considered. at this time, the system ' s normal frequency is the function of rotate speed ; the amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro - magnetic bearing

    建立了高速旋轉狀態下,採用磁軸承作支撐的飛輪轉子和轉軸的動力學模型,給出了有限元法在此問題中的具體應用,並利用i - deas有限元分析軟體具體分析了飛輪系統的共振頻率、系統振型,以及對偏心激勵的響應,分析表明:對于高速旋轉的飛輪轉子和轉軸,應考慮陀螺應對其動力學特性的影響,此時系統的固有頻率是轉速的函數;通過提高磁軸承的等效阻尼可顯著降低系統通過共振區域時的振幅。
  6. The semi - active logic control algorithm was proposed, which includes six kinds of semi - active logic control method. they are the semi - active logic control method a, b and c for single mr damper, the semi - active logic control method d, e and f for multiple mr dampers. a series of numerial simulation and experimental investigations on the seismic responses of the tall building with a podium structure using single damper / multiple mr dampers were first carried out on the seismic simulator in the hong kong polytechnic university on 2002 - 2003

    針對帶裙房高層建築地震反應的鞭梢應問題,以瞿偉廉教授和徐幼麟教授提出的「 er mr智能器耦聯的帶裙房高層建築結構地震反應的半主動控制」理論為起點,採取理論分析、計算機模擬和地震模擬振動臺試驗研究手段,首次將基於泛布爾代數的邏輯控制方法引入結構控制領域,提出了半主動邏輯控制方法,包括單mr器半主動邏輯控制a 、 b 、 c和多mr器半主動邏輯控制d 、 e 、 f六種。
  7. And the impact of every parameters of f - ved element, stiffness coefficient and damper coefficient of ved element, normal stiffness, tangent stiffness and sliding friction of frd element and the cross - section area of the brace on the capability of dissipating vibration energy is computed and analyzed

    並對f - ved單元中ved單元的剛度系數、系數、 frd的法向剛度、切向剛度、滑動摩擦力及支撐橫截面面積參數對單元果的影響進行了分析研究。
  8. This paper presents an investigation on a new type of rubber damper, that is, a rubber damper with honeycomb structure. the honeycomb structure will enhance the energy dissipation of a rubber damper and as a result increase the damping of the damper. the performances of honeycomb dampers are experimentally tested by a test rig. the results show that the diameter and the density of holes of the honeycomb structure are important parameters in the design of the damper. for a damper of given size, there are optimum values of both parameters with which the damper provides highest damping. additionally the honeycomb structure does not change the correlation of damping to frequency. a practical honeycomb damper is designe d and applied to inlet pipe of a screw compressor in a petroleum factory for vibration reduction. the vibration of the pipe is obviously suppressed by the damper, at least 25 %

    本文採用理論分析和實驗相結合的方法,研究了蜂窩孔這種結構因素對橡膠材料性能的影響。在自行設計、製作的懸臂式測試實驗裝置上,對蜂窩式橡膠器的性能進行了大量的實驗測試,初步找出了蜂窩孔孔徑、孔數以及預壓縮量因素與性能的關系。本文利用實驗研究的結論,設計了一種專用的蜂窩式橡膠器,並應用於某廠螺桿壓縮機進口管道的減振,取得了明顯的減振果。
  9. 4. based on energy equivalence and power equivalence method separately, the additional damping ratio formula of nonlinear viscous damper is derived and it ' s suggested power equivalence method is more suitable for nonlinear viscous damper. then the transforming equality between actual and spectra velocity of structure is derived, based on which, the additional damping ratio equation is revised

    4 、分別採用能量方法和功率方法,推導了非線性粘滯器的附加比公式,指出功率法更適合於非線性器;推導了結構的實際速度和譜速度之間的轉換公式,基於該轉換公式修正了功率方法下的附加比計算公式。
  10. This dissertation also presents the equivalent stiffness and damping models and the nonlinear hysteresis and saturation model of a kind of the mr damper developed by the experimental testing and modeling in order to describe accurately characteristics of the mr damper

    建立了磁流變器的剛度和粘性系數與施加電壓、激振頻率和振幅的關系以及能精確表示磁流變器的力學特性的非線性滯回模型。
  11. Abstract : it was deduced that the shapes of magnetic particle indicationsof point - type defects on workpiece surface depended on the resistance of carrier medium, and their dimensions depended on the volume of the defect equivalent cuboid, the magnetising characters of workpieces and magnetic particles, the strength of magnetic field, the lengths and sections of magnetic particles and the resistance character of carrier medium

    文摘:推斷出工件表面點狀缺陷磁痕的形狀取決于磁粉載體的介質力,磁痕大小取決于缺陷長方槽的體積、工件和磁粉材料的磁化特性、磁場強度、磁粉長度和橫截面積以及載體介質的特性
  12. The analytical mode is based on the theory of sound propagation in layered media. the concept of equivalent parameters is established. the absorption of sound energy by damping layer ' s is represented by use of complex sound impedance

    解析模型以分層介質中的波動理論為基礎,建立了參數的概念,並運用聲抗的復數表示法把層對介質層聲能吸收的影響都考慮進去,通過比較敷設消聲覆蓋層前後多層傳遞損失的差異來獲得消聲層的率。
  13. The effect of initial static load on the instantaneous response makes the amplitude of vibration of horizontal and vertical displacement bigger than that without the effect

    初始靜力應對結構瞬態響應的影響與剛度、質量、因素有關,剛度越小,質量、越大時,初始靜力荷載應對結構最大位移影響越小。
  14. Based on the test, a new type of sma damper is designed and its theoretical model is set up. then, a detailed experimental investigation is carried out in order to get a full understanding of working performance of the damper, from which the effects of strain level, temperature, as well as frequency and pre - strain of sma wires are taken into account. the theoretical model is verified by the experiments

    在此基礎上,本文設計了一種新型形狀記憶合金被動耗能器,建立了器的理論模型,通過試驗研究了器的工作性能,分析了位移幅值,加載頻率,工作溫度和記憶合金絲預應變對器的剛度,單位循環的耗能和等效阻尼比的影響,並與理論分析結果進行了對比,驗證了理論模型的正確性。
  15. Through the research, following achievements have been made : ( 1 ) a detailed experimented study has been carried out to investigate the performance of the sma incorporated friction dampers. the effects of displacement amplitude and frequency are taken into account in experiments. good agreement between theoretical and experimental results is obtained

    通過研究主要取得如下成果: ( 1 )首次進行了sma復合摩擦器的性能試驗研究,根據試驗結果分析了位移幅值、加載頻率器的剛度、單位循環耗能和等效阻尼比的影響,並與理論分析結果進行了對比分析,兩者吻合較好。
  16. According to the characteristics of the series - base - isolation structure, the calculation formulas for the equivalent damp and equivalent stiffness of the structure were given, and the desirable equivalent damp could be obtained by rational design of multi - level yield shear stress of composite bearings

    根據串聯基礎隔震結構的特點,給出了該種隔震體系的等效阻尼剛度的計算公式;將串聯隔震支座設定為多個屈服剪力水平,得到了較好的等效阻尼
  17. Cyclic test of laminated rubber damping bearing at low temperature and calculation of equivalent viscous damping ratio

    疊層橡膠隔震支座的低溫往復試驗及等效阻尼比推算
  18. With the hysteretic hoops acquired from the experiment, the effective damping ratio of the joint, with which the energy dissipation of the joint may be weighted, is calculated

    通過研究擬靜力試驗所得的滯回曲線求得該節點的等效阻尼比,衡量它的耗能能力。
  19. So a new method is presented ( equivalent damping of pile lateral damping ) to realize the analysis of integrity pile in soil. in this method, the coefficient of the damping is calculated by the length ratio of each pile in a soil layer to the whole pile in the heterogeneous soil. and through much calculation by use of matlab program, the equivalent damping in the heterogeneous soil is proved to be correct

    提出了採用加權的方法對成層土中樁側土系數進行簡化的概念,即把各層土系數乘以該層土中樁段長度占樁身總長的比值(即為加權系數) ,然後相加即得到一個等效阻尼系數。
  20. As for the latter, based on linear quadratic regulator theory and linear quadratic gaussion theory, discussion is carried about parameter optimum of ved whose mechanical model is an equivalent stiffness and equivalent damping one. according to linear quadratic regulator theory matrix elementary transform and least - squares method, formulas about parameter optimum of ved are achieved

    在粘彈性器參數優化方面,採用剛度和等效阻尼為力學模型,基於線性二次型高斯( lqg )最優控制問題和線性二次型( lqr )最優控制問題的理論對ved的參數優化進行了討論。
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