damp ratio 中文意思是什麼

damp ratio 解釋
阻尼率
  • damp : n 1 濕氣，潮濕。2 （礦井裡的）有毒氣體。3 消沉，沮喪。adj 1 有濕氣的，潮濕的。2 消沉的，沮喪的。v...
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. The result of optimization and analysis show : 1 ) across - axis sensitivity is smaller, less than 2 % of the primary axis sensitivity ; 2 ) the first mode is dominant at primary axis, which reduce intersectional coupling ; 3 ) when damp ratio is between 0. 3 and 0. 7, accelerometer has better dynamic characteristic

    分析結果表明此種結構的具有： 1 ）橫向靈敏度小， x 、 z方向的橫向靈敏度均不到敏感方向的2 ； 2 ）在敏感方向上，一階模態起主導作用，其它模態的影響較小，有利於減小交叉耦合的影響； 3 ）當阻尼比毛為0 . 3 ? 0 . 7時，傳感器具有較好的動態特性。
  2. Ch series slot mixer is widely used for mixing powder or damp raw materials and can make main and auxiliary raw material with different ratio mixing evenly. the contacting place of machine is made from stainless steel. the gap between paddle wheel and cylinder is small

    本機與物料接觸處均採用不銹鋼製造，漿葉與桶身間隙小，混合無死角，攪料軸兩端設有密封裝置，能防止物料外瀉，廣泛適用於制藥、化工、食品等行業。
  3. For accumulating heat from piping and making as even the temperatures in various spaces betwiin pipes an possible, gravel foundation is first laid, mortar is mixed fully by mixing ratio of 1 : 2, the floor is finished level and then perfect curig in damp condition is carried out

    為保證管路間蓄熱和溫度均勻應鋪下砂礫層后進行配比為1 ： 2的灰漿完成處理，不僅要保證地板水平，還要在濕潤狀態下自然乾燥，使得到徹底的養護，人為的養護會導致地板雛裂，應予以注意。
  4. Then a simplified computational modal of damping isolation systems is established for a platform structure, and the relationships between the parameters of isolation layer and structural damping ratio, including their vibration - suppressed effect on the whole structure and the relative displacement of isolation layer are studied, and the simulation analysis under several representative load case of random wave force and earthquake affairs is performed. under random wave force, using complex mode theories, non - classically damp problems considering the interaction between the structure and wave, lying in deepwater, are studied. and the resolution solution of structural response are achieved. the results of calculating and analysing show that adding damping isolation to a jacket is an effective way to reduce vibration for offshore platforms

    針對某一典型平臺結構，建立了海洋平臺結構阻尼隔振體系簡化計算模型，進行了波浪荷載工況和地震工況的數值模擬，研究了隔振參數與結構阻尼比的關系以及它們對結構整體和隔振層層間相對位移的控制效果，運用復模態理論研究了位於較深水位的固定式導管架海洋平臺在隨機波浪力作用下考慮結構與波浪相互作用時運動方程中非經典阻尼的解耦問題，獲得了結構響應的解析解。
  5. The meaning of cqc ( t ) algorithm is the difference in time domain between the peak value location in time axis of input earthquake and model response of structure, which is called delay time. through the delay time calculating of a series of oscillators with different damp ratio and natural vibration frequency, it is found that it will bring biggish error if the cqc algorithm applied on the structure which has long period, and the time dependent cqc ( t ) algorithm could solve the problem easily

    Cqc （ t ）方法的意義在於輸入地震動峰值與結構模態響應峰值在時間軸上的時間差，我們稱之為延遲時間，通過計算具有不同周期和阻尼比結構的延遲時間，發現對于自振周期比較長的結構， cqc方法會帶來比較大的誤差，而基於時程的cqc （ t ）方法能夠解決這個問題。
  6. 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數和阻尼系數的近似表達式，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參數研究，表明在常見樁土參數下，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。
  7. It is discussed that the load period, the damp ratio of pavement, the temperature of asphalt concrete, the resilient modulus of semi - rigid base, the material parameters and thickness of the composite foundation have influence on the vertical displacement, the radial stress of the base bottom and the sub - base bottom

    具體探討了荷載周期、道路結構體的阻尼比、瀝青混凝土的溫度、半剛性基層的回彈模量、復合地基的材料參數和厚度對特徵點的豎向位移、基層和底基層層底徑向應力的影響。
  8. The inherent frequency, mode, damp ratio and impact coefficient of the bridge were achieved by comparing the actual test results with the calculation results

    將實橋測試結果和計算分析結果進行了比較，並且獲得了大橋的固有頻率、模態、阻尼比和沖擊系數。
  9. It is discussed that the load period, the damp ratio of pavement, the temperature of asphalt concrete, the resilient modulus of semi - rigid base, the material parameters and thickness of the composite foundation have influence on the dynamic stress intensity factor and the vertical displacement

    探討了荷載周期、道路結構體的阻尼比、瀝青混凝土的溫度、半剛性基層的回彈模量、復合地基的材料參數和厚度對動應力強度因子、特徵點的豎向位移變化規律的影響。
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