阻尼函數 的英文怎麼說

中文拼音 [hánshǔ]
阻尼函數 英文
damping function
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. 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,僅僅考慮了參對其目標的影響,而實際情況下有些參是變化的,產品的結構參(如幾何尺寸、間隙等) 、物理和力學參、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。
  2. Second part, using approximation method and implicit function theorem, we obtain the existence of large amplitude 2 - periodic bouncing for damped linear impact osillator with mutiple impacts in one period

    在第二部分里,我們運用逼近框架與隱定理,對于帶小的線性碰撞振子,證明了在一周期內發生多次碰撞的大振幅2 -周期解的存在性。
  3. 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矩陣來識別機械結合面的新方法。
  4. 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,應考慮陀螺效應對其動力學特性的影響,此時系統的固有頻率是轉速的;通過提高磁軸承的等效可顯著降低系統通過共振區域時的振幅。
  5. The dynamics behaviors of the flexible jeffcott rotor system supported by unsteady short dynamic bearing are investigated. based on nonlinear unsteady - state dynamic n - oil film force model described by three functions the local stability of the periodic solutions with the controlling parameters, rotational speed ratio, imbalance amount, damping ratio and viscidity, are predicted by using the floquet multiplier. it is found that the period doubling bifurcation is caused by a certain imbalance amount and the hopf bifurcation is created by the lost stability of the oil - film

    研究了非穩態動載短軸承支撐的jeffcott柔性轉子系統的動力特性,基於可用三個表示動態油膜的非穩態非線性油膜力模型,將轉速比、不平衡量、比、粘度作為控制參,利用floquet乘子預測周期解的局部穩定性,發現倍周期分叉是由一定量的不平衡引起的,而hopf分叉是由油膜失穩造成的。
  6. Using the canonical variable representation ( x, p ), the light - damping oscillator is discussed by the corrected time - dependent perturbation methods of dirac, it is turned out that the energy levels have shift and breadth, and the wave function decaying with time exponentially

    採用正則變( x , p )表象討論輕振子,並對量子力學含時微擾的狄拉克方法加以修改,得出量子能級有位移和寬度,以及波出現隨時間指衰減的行為
  7. With the aid of the method for determining damping ratio in structural dynamic experiment the so called stationarity index is used to estimate the gentleness of the peak ’ s slope

    文中藉助結構動力試驗中比的確定方法,提出用平穩度指來評價單峰點包線平緩程度。
  8. The research of approach to monitor bridge health state has become a hot spot which social and technologic people have explored through the theory of, dynamics of structures and the lest technology. structure mode parameters ( vibration frequency, mode of vibration and damping ) are the functions of physical property parameters ( mass, rigidity, damping ). the damage of structures certainly leads to the transformation of physical property parameters

    結構模態參(振動頻率、振型和模態等)是結構物理特性參(質量、剛度、)的,結構損傷必然導致結構物理特性的變化,即結構參發生改變,利用現代的測試技術準確地測出這些參變化,就可對橋梁損傷狀況進行評估,應變模態方法識別橋梁損傷就是基於這種理論提出的,本文所做的主要工作為: 1
  9. 2. under the condition that the layered soil surrounding pile can be simulated with general voigt model or general maxwell model, the mathematical equations for longitudinal vibration of a pile with self - viscosity is established in the form of integral transformation, and the corresponding solution is obtained by using impedance function

    2 、分別建立了樁側土為廣義voigt模型和廣義maxwell模型條件下考慮樁身材料的成層地基中樁縱向振動的積分變換形式定解問題,並採用遞推法得到了相應解。
  10. A damped harmonic oscillator without a driving force was studied using canonical tramsformation ; an exact wavefunction and energy level for the damped harmonic oscillator has been obtained

    摘要對于無外界驅動力且力與速度成正比的諧振子,通過正則變換,得出了諧振子的嚴格波及其相應能級。
  11. Then the thesis give an example of impact - absorber. the example implement the multibody design optimization method together with dynamic analysis techniques and penalty function method

    並以彈簧器為例,實現了了動力學分析與懲罰法相結合解決多體系統最優化問題的方法。
  12. Testing datas are gathered by using data picking box cras. a general dynamic model for analyzing characters of vibration system has also been developed according to the input and output applied on the testing system. identifications for structure modal parameters and frequency - spectrum characters have been carried out by calling the interface software developed unpon matlab software in both the time field and the frequency field. the structure modal parameters and frequency - spectrum characters have been accurately calculated

    利用cras據採集箱的據採集功能對系統的信號進行據採集,通過介面軟體調用matlab軟體平臺,分別針對時間域和頻率域兩種研究方向,解決振動系統模態參的辯識問題和結構的頻譜特性分析問題,得到系統的相干等頻譜特性,獲得模態參,如模態頻率、等的精確解。
  13. In the fourth chapter, on the basis of the second and third chapter, using the melnikov function approach, we find the conditions for producing chaotic josephson effects and obtain the critertia for the chaos

    在第二章和第三章的基礎上,第四章主要研究了條件下的正常和混沌的josephson效應。利用melnikov方法給出了混沌的參區域。
  14. An accurate modal superposition method for calculating frequency response function of viscoelastically damped structures

    粘彈結構頻響計算的高精度模態展開法
  15. Prony ' s method is used in transfer function identification, and it is useful for controller design for damping electromechanical oscillations. 3

    最後,把prony方法應用到了傳遞的辨識中,為後面低頻振蕩的控制器設計打下基礎。
  16. With respect to the former, three objection function are evaluated : average dissipated energy maximal relative interstory drifts between neighboring floors, and linear quadratic. moreover, proper implementing method about these three objection functions are analyzed in detail

    在粘彈性器位置優化方面,綜合評價了以結構平均耗能、最大相對層間位移和線性二次型為目標的三種優化,詳細分析了這三種目標所用的實現方法。
  17. In this thesis, we make a minor modification to the line search process and propose a newton method with the modified line searches

    本文充分利用自然水平的優點,在此基礎上對newton法進行改進,使效益具有單調下降性。
  18. In chapter three, the passive vibration control of a smart cantilever beam with piezoelectric shunt damping system is studied theoretically. in this chapter, the mechanical impedance of piezoelectric shunt damping system is analyzed, and the parameters of the rlc piezoelectric shunt circuit are optimized via transfer function of the piezoelectric shunt damped beam in order to optimize the vibration damping effect

    研究了利用壓電分流系統進行壓電智能懸臂梁被動振動控制的方法,分析了壓電分流系統的機械抗,並通過傳遞方法對rlc串聯壓電分流諧振電路元件的參進行了優化,以使壓電分流系統的效果達到最優。
  19. The global existence of solution to the initial - boundary value problem of a nonlinear fourth - order wave equation with a damping term and a force source term was proved based on the standard semigroup theory and by introducing a modified energy function

    摘要根據半群理論,引進修改的能量,證明了具有項和力源項的四階波動方程的初邊值問題解的整體存在性。
  20. The existing algorithms usually add damping term of the form. xlog. x into their objective function in order to control matching matrix ' s entropy. the shortcoming is that the two - way constraints need to be enforced by using sinkhorn method

    這類演算法為了控制匹配矩陣元素的熵,通常在目標中加入xlogx形式的項,其缺點是需要用sinkhorn交替歸一化方法或其它方法使匹配矩陣滿足雙向的行列約束。
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