阻尼參數 的英文怎麼說

中文拼音 [shēnshǔ]
阻尼參數 英文
damping parameter
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  • : 參構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  1. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的地震動,在擬合多比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。
  2. 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:改變通道的磁場強度可以控制磁流變器的力,從理論上分析了磁路通道的結構對磁流變力的影響。
  3. 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,建立了該減振器特性的非線性化模型,模擬分析了活塞閥孔徑、調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構對減振器性能的影響,通過試驗測試,得到了減振器樣件的特性及其可調范圍。
  4. 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,僅僅考慮了對其目標函的影響,而實際情況下有些是變化的,產品的結構(如幾何尺寸、間隙等) 、物理和力學、傳導系、磨擦系、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。
  5. 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及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振; (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,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、特性及比;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、耗能減振等進行了定量分析。
  6. In the dissertation, the effects of the air slide - film damping on the capacitive accelerometers having different slot structures which are completely or partly etched, and fabricated by the anodic bonding between silicon and glass and bulk silicon micromachining process are researched by changing the distance between the moving structure and substrate, the thickness of the structure, the width of the completely etched slot structure, the depth of the partly etched slot structure according to the two well known air slide - film damping models

    對于橫向運動的體微機械器件,其周圍空氣表現為滑膜。本文基於滑膜的兩個模型,通過改變振子與襯底的間距、振子的厚度、刻透的柵槽的寬度、沒有刻透的柵槽的深度等,研究了這些對硅?玻璃鍵合工藝製作的體硅微機械電容式傳感器特性的影響。
  7. Based on the analysis of the dynamic behavior of nanning bridge by means of spatial finite element models, the nonlinear dynamic time history method is used to conduct the sensitivity analysis of the parameters of viscous dampers ( damping constant c and damping exponent ? ) of the bridge and the laws of influence of the parameters on the seismic response thereof have been obtained

    摘要在來用空間有限元模型對南寧大橋動力特性分析的基礎上,採用非線性動力時程分析方法,對南寧大橋粘滯c 、? )進行敏感性分析,得出粘滯對南寧大橋地震響應的影響規律。
  8. The relationships of modal damping versus the stiffness of cables, the attachment height of damper and damping constant are obtained. with the optimal structural control method, a new approach to determine the optimal damping constant of viscous damper is presented. the first a few modal damping can be optimized simultaneously under the optimal damping constant of damper, which is more convenient than the existed design method

    4 、對拉索-粘性器系統的動力特性進行了研究,得到了拉索剛度、器安裝高度及對拉索系統模態比的影響規律;根據最優控制原理,提出了一種確定器優化的方法,該方法確定的能保摘要證前幾階模態比得到整體優化,改進了現有的設計方法。
  9. A method to identify the damping parameters of machine joint surface is proposed based on the tested frequency response functions

    提出一種基於實測傳遞函矩陣來識別機械結合面阻尼參數的新方法。
  10. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系、蓄能器氣體容積、液壓缸柱塞粘性摩擦系以及不同運行樓層工況等對系統特性的影響;最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。
  11. 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、 frd的法向剛度、切向剛度、滑動摩擦力及支撐橫截面面積等對單元效果的影響進行了分析研究。
  12. In addition, influence caused by variety of buffering mechanism parameters ( stiffness and damping ) are also analyzed

    另外,文章還分析了在對接過程中緩沖機構剛度、阻尼參數變化所產生的影響。
  13. Some basic concepts, failure criterion, formula and determination of analytical parameters such as spring modulus, coefficient of damping and time step of the extended model are presented

    文中詳細介紹了離散單元法的基本原理、破壞準則、基本方程以及彈簧剛度系、時間步等計算的確定方法。
  14. The random excitation of the four wheels is used as the input of this system. the changing rule of vertical displacement, three directions of acceleration power spectrum density function of person - chair system of model ca - 141 and etc. in the frequency domain is simulated using matlab. the rationality of the model is analyzed and validated by comparing of relevant testing results and theoretic analysis

    以頻域內四輪隨機激勵作為系統輸入,用matlab模擬低地板城市客車等三種車型人椅系統三向加速度功率譜的變化規律,逐項分析車速、懸架剛度與阻尼參數變化對車輛平順性的影響,通過與相關研究結果的比較及理論分析驗證了模型的合理性。
  15. Thirdly, do theory analysis and parameters optimization. by modifying the parameters that make effect on the stiffness and the joint damping coefficient, confirm a set of parameters which can reduce the vibration and impulsion, meanwhile enhance the reliability and stability of the system. finally, design the experimental platform, and set up the testing system

    再次,對著陸梯在外拉力作用下進行理論分析和調整,通過調整彈簧剛度、關節,分析各主要對著陸梯釋放過程的影響,確定合理,在保證著陸梯順利釋放的基礎上,減小釋放過程中的沖擊和振動,增加系統的可靠性和平穩性。
  16. The effect of track stiffness and track damping on high - speed train hopf bifurcation speed is discussed. the difference of the lateral stability between vehicle and train under the same track conditions is given. during the research course, the effect of bogie suspension parameters, track parameters, lateral link stiffness and lateral link damping between cars on train ( vehicle ) hopf bifurcation speed are also educed

    在研究過程中,既研究了車輛系統懸掛對列車(車輛) hopf分叉速度的影響,也研究了軌道對列車(車輛)系統hopf分又速度的影響,同時還研究了車間橫向連接剛度導和橫向連接對列車系統運動穩定性的影響。
  17. By using the solution developed and the frequency - dependent stiffness coefficient and damp coefficient, the dynamic behavior, especially the one concerned with the variation of the dimensionless maximum response along the depth, for the pile with finite length or with infinite length was studied. it was shown that to simplify computation a pile of finite length can be taken as the one of infinite length if the ratio of pile length to its diameter ( i. e. lid ) is greater than 15

    利用所得解,採用與頻率相關的剛度系的近似表達式,對有限長樁和無限長樁的動力特性特別是對最大無量綱響應沿深度的變化曲線進行了研究,表明在常見樁土下,當長徑比大於15時,可將有限長樁視為無限長樁以簡化計算。
  18. In order to study the main effected factors of the aseismic performance of concrete dampers, experiment of dampers in forms of concrete ductile columns was conducted subjected to low cyclic loading, the damage pattern, hysteresis behavior, ductility factor and equivalent viscous damper factor of the dampers were obtained

    摘要為考察混凝土延性柱耗能器抗震性能的主要影響因素,通過對多根延性柱耗能器的低周反復荷載試驗,得到其破壞形態、滯回特性、延性系、等效黏滯
  19. The identification precision of the method is not influenced by the modeling errors of the mass and stiffness matrix of machine structure, whereby the effects of the modeling errors of these two matrixes upon the identification accuracy of damping parameters are avoided

    該方法不涉及機械結構的質量矩陣和剛度矩陣,從而避免了這兩種矩陣建模誤差對阻尼參數識別精度的影響。
  20. Damping parameter optimization of gwf isolator

    減振器阻尼參數優化
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