比例阻尼 的英文怎麼說

中文拼音 [bǐlìzǔní]
比例阻尼 英文
proportional damping
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 尼 : 名詞（尼姑） buddhist nun
  • 比例 : 1. （長度上縮小和放大的倍數） scale; scaling 2. （比率） proportion; ratio; proportionality
  1. Modal perturbation method for obtaining complex modal characteristics of non - proportional damping systems

    求解非比例阻尼體系復模態的實模態攝動法
  2. 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，改進了對車輪的激振方式，利用單擺激振提高了激振力的精度;實驗分析了車輪阻尼器的結構、安裝方式及其動力學參數對車輪阻尼器降噪效果的影響;也分析了車輪振動與噪聲的相關性;現場測試廣州地鐵一號線的噪聲特性，確定了車輪阻尼器所要控制的頻率范圍;對比分析不同激振情況下，踏面徑向振動與輻板軸向振動對噪聲聲壓級的貢獻比例。
  3. On this basis, the further research of anti - seismic of buckling restrained braced frame is performed. derive additional damping and influence of buckling restrained brace to column axis strength. example proved, as to concentrically braced frame, buckling restrained braced frame has better anti - seismic performance

    在此基礎上，將此種支撐應用於框架中，對防屈曲支撐框架的抗震性能作了進一步的研究，推導了防屈曲支撐的附加阻尼比以及防屈曲支撐對柱附加軸力的影響，並且通過對一個算例進行非線性時程分析驗證了相對于普通中心支撐框架，防屈曲支撐框架具有更好的抗震性能。
  4. Analysis of the problems existing in operation mechanism of transformation for agricultural science and technology achievements

    非比例阻尼隔震結構地震響應的實振型分解法
  5. The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study

    為改善上述缺點，本文進行了以下的研究工作：在忽略耗能器附加質量的基礎上，推導出適用於耗能減震結構的攝動法，減少振型分解法在迭代計算過程中的工作量，加快計算速度；針對運動方程的強行解耦所產生的誤差，根據攝動法原理，對其進行一階攝動修正；為消除強行解耦振型分解法用於非比例阻尼結構分析時產生的誤差，引入狀態空間對系統進行復模態分析，並改進了基於復模態理論的、適用於非比例阻尼結構設計的雙反應譜方法；對于耗能器的數量和位置優化進行了一些探討和研究。
  6. In the same model, damping energy of structure and its proportion of total energy are almost linearly increased with the increase of damping ratio, and hysteretic energy of structure and its proportion of total energy are accordingly decreased. for the same damping ratio, damping energy and hysteretic energy vary 15 % to 35 % to the input energy in different models

    在同一模型中，結構的阻尼耗能及其在總耗能中所佔的比例隨著阻尼比的增大近似線性的增加，結構滯回耗能及其在總耗能中所佔的比例則相應減少；對于同一阻尼比，不同的計算模型中，阻尼耗能及滯回耗能所佔總輸入能的百分比中，相差的幅度可達15 35 。
  7. Calculation of non - proportionally damped isolated structure by using laplace transform method

    用拉普拉斯變換方法求解非比例阻尼隔震結構
  8. Use pseudo - excitation method to solve non - stationary random responses of non - proportional damped systems

    用虛擬激勵法求解非比例阻尼線性體系的非平穩隨機地震響應
  9. A delicate general solution of non - proportional damped mdof systems subjected to an earthquake ground motion, completely in real value form, was presented

    由於可以選擇少量共軛復振型的影響進行計算，對于大型復雜非比例阻尼結構，其隨機地震響應計算工作量可以大幅度減小。
  10. In terms of the complex mode superposition method, the motion equations of general multiple degrees of freedom ( mdof ) discrete system can be transferred into the combination of many complex oscillators

    摘要應用復振型分解方法，將非比例阻尼線性體系在地震作用下的動力方程求解問題轉化為若干個廣義復振子的求解與疊加問題。
  11. Assuming that the earthquake ground motion is a zero mean valued non - stationary random excitation, the higher accuracy numerical algorithm of these complex oscillators were developed in virtue of the principle of pseudo - excitation method

    通過假定地震地面運動為一零均值的非平穩隨機激勵，應用虛擬激勵法原理，推導得到了廣義復振子動力坐標計算的一般公式，進而得到了非比例阻尼線性體系非平穩隨機地震響應計算的一般解答。
  12. ( 3 ) introducing the proportional damping, the finite element formula of structural - acoustic coupled system lined with sound absorbing materials is obtained. mode - superposition technique for modal frequency response analysis of coupled structure - acoustic systems is also used to deal with the sensitivities of the eigenvalues and eigenvectors of coupled systems for the purpose of reducing cavity interior noise in theory

    討論了阻尼降噪問題，建立了有阻尼聲振耦合系統的有限元模型，採用振型疊加法，將系統位移轉換到以固有振型為基向量，進行結構壁面有吸聲材料的聲振耦合系統響應的有限元分析與靈敏度分析，推導了比例阻尼條件的靈敏度計算公式。
  13. The mento - carlo simulation was introduced to substitute the random vibration experiment. the random responses of hysteretic system gotten by the method of stochastic equivalent linearization were compared with mento - carlo simulations, and the feasibility of this method was exemplified by mento - carlo simulations

    對于遲滯阻尼振動系統的非平穩響應，本文亦用monte - carlo法來代替隨機振動實驗進行了計算求解，並與隨機等價線性化方法進行了比較與分析，例證了等價線性化方法處理遲滯阻尼振動系統隨機響應的可行性。
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