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flutter derivative造句

"flutter derivative"是什么意思   

例句與造句

  1. Simulations for identification of flutter derivatives of bridge section using the coupled - forced - vibration method
    橋梁顫振導數(shù)的耦合強迫振動仿真識別
  2. A comparative study between time - domain method and frequency - domain method for identification of bridge flutter derivatives
    橋梁顫振導數(shù)識別的時域法與頻域法對比研究
  3. The researcher also concludes that in the range of reduced velocity , the flutter derivatives equal to the function of it
    在折減風速的實用范圍之內(nèi),顫振導數(shù)只是折減風速的函數(shù)。
  4. The identification of flutter derivatives for bridge sectional model has long been a key issue in long - span bridge flutter and buffeting analysis
    長期以來,橋梁斷面顫振導數(shù)的識別都是大跨度橋梁顫抖振響應(yīng)分析中的重點和難點問題。
  5. And the result shows that the self - excited loads and the flutter derivatives satisfying the linear relationship as to the streamline section - like thin plate
    結(jié)果表明對薄平板這一類近乎流線體的斷面,自激力與振動參數(shù)之間能較好地滿足線性關(guān)系。
  6. It's difficult to find flutter derivative in a sentence. 用flutter derivative造句挺難的
  7. 2 . a systematic test has been carried out to observe how the model actuating frequencies and amplitudes affect the flutter derivatives , and the effect is found to be quite minor
    通過系列試驗考查了模型驅(qū)動頻率和振幅對顫振導數(shù)的影響,驗證了驅(qū)動頻率和振幅對顫振導數(shù)影響很小。
  8. While the flutter self - excited loads of a bluff section has a quality of obvious nonlinearity . and the application of flutter derivatives to self - excited loads of the bluff section is close to a linear relationship . 5
    而鈍體斷面的顫振自激力高次諧波分量較大,具有較明顯的非線性響應(yīng)特征,驗證了用顫振導數(shù)表示鈍體的自激力只是一種線性近似。
  9. A test has been carried out on three typical bridges sectional models of flutter derivatives to find the general rules with the change of flutter derivatives of the bridges sectional model . and it has been discovered that this change depend on the torsional damping , an element closely relating to the h * 2 and a * 2 4
    通過對三種典型斷面顫振導數(shù)的測試,考查了各顫振導數(shù)隨斷面形狀的變化趨勢,說明了最主要的變化體現(xiàn)在與扭轉(zhuǎn)阻尼有關(guān)的h _ 2和a _ 2項。
  10. The result of the experiment shows that the proposed forced vibration method device has the quality of stability and repetitiveness of the data , the wide range of the testable reduced velocity , the exactness of coupled and direct flutter derivatives . and it does not need to employ any complicated identification system to check it further
    結(jié)果顯示:本文提出的強迫振動法裝置具有試驗數(shù)據(jù)穩(wěn)定、數(shù)據(jù)重復性好、可測量的折減風速范圍寬、交叉項導數(shù)與對角項導數(shù)具有同等精度和不需要復雜的系統(tǒng)識別過程等一系列優(yōu)點。
  11. As to the current problems existing in the identification for these flutter derivatives , the dissertation tries to trace the development in the identification for the past unsteady aerodynamic forces of long - span bridges . it also investigates the method for flutter and buffeting analysis and the flutter derivatives . based on the present methods used in obtaining the unsteady aerodynamic forces and flutter derivatives , and co - funded by a natural scientific fund from the nation and a key project fund from the railway ministry , the current research has attempted to develop a device which can be employed in the wind tunnel to test flutter derivative through a forced vibration method
    鑒于目前橋梁斷面顫振導數(shù)識別的水平和存在的問題,本文通過對大跨度橋梁非定常氣動力、顫振分析方法及顫振導數(shù)識別方法的回顧和評述,基于現(xiàn)有的非定常氣動力和顫振導數(shù)的測試方法,在國家自然科學基金與鐵道部重點學科基金的聯(lián)合資助下,研究開發(fā)了一套在風洞中采用強迫振動法測試顫振導數(shù)的裝置。

相鄰詞匯

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  2. "flutter about the room"造句
  3. "flutter analysis"造句
  4. "flutter characteristic"造句
  5. "flutter clearance"造句
  6. "flutter down"造句
  7. "flutter effect"造句
  8. "flutter freely"造句
  9. "flutter frequency"造句
  10. "flutter frisbee"造句
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