buffeting 中文意思是什麼
buffeting
解釋
沖擊顫振-
The buffeting increased as they descended.
他們越往下降，受到的沖擊也越大。 -
Although buffeting may not cause the bridge destroyed in whole, it can induce the fatigue for structure elements if it is not carefully dealt with. the excessive amplitude of vibration may also jeopard driving and pedestrian so as to make them not comfortable and safe
雖說抖振一般不會引起橋梁的整體破壞，但如果處理不好，也會使橋梁局部某些構件產生疲勞破壞，而且過大的抖振振幅也會危及行車和行人的舒適與安全。 -
Sol campbell will have tests today on a suspected broken nose. the arsenal centre - half suffered a buffeting at the hands of portsmouth s forwards at fratton park that may jeopardise his hopes of competing for a place in england s world cup squad
同本場比賽平局一樣讓阿森納隊主教練苦悶的是，剛剛傷愈復出的中后衛坎貝爾本場比賽再次遭到暗算以至「頭破血流」 。 -
Sol campbell will have tests today on a suspected broken nose. the arsenal centre - half suffered a buffeting at the hands of portsmouth ' s forwards at fratton park that may jeopardise his hopes of competing for a place in england ' s world cup squad
近期在歐洲賽場春風得意的阿森納隊在12日的一場英超比賽中，客場同主場戰績第二差的樸茨茅斯隊1 ： 1打成平局，只能遺憾地收獲1分。 -
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，橋梁斷面顫振導數的識別都是大跨度橋梁顫抖振響應分析中的重點和難點問題。 -
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識別方法的回顧和評述，基於現有的非定常氣動力和顫振導數的測試方法，在國家自然科學基金與鐵道部重點學科基金的聯合資助下，研究開發了一套在風洞中採用強迫振動法測試顫振導數的裝置。 -
Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem
文摘:基於均勻流和紊流風場中的橋塔模型風洞試驗所測得的橋塔空氣力靜力系數及塔頂抖振響應的位移均方根，採用線性疊加法及有限元法反演，給出設計風速下塔底控制截面的順風向靜風及抖振內力。 -
The structure of the joint zone for cooperative system cable - stayed bridge and analysis of buffeting response
協作體系斜拉橋接頭部位構造及抖振響應分析 -
Sometimes the buffeting was so violent that the wings were torn off the plane.
有時抖振得如此劇烈，以致於機翼從機體上撕裂下來。 -
The method described in this paper may simulate real natural wind at the site of bridge using real wind velocity continuous records in short period and putting aside wind spectrum on the base of simulating merit or demerit, then buffeting response has been analysised
本論文在分析了已有風場模擬方法優缺點的基礎上，沒有採用已有的風譜，僅用橋址處短期的實際風速時程記錄，進而模擬該橋處的實際風場，從而分析橋梁的抖振響應。 -
Effect of pylon stochastic wind field on buffeting response of long cable - stayed bridge
考慮橋塔風效應的斜拉橋時域抖振分析 -
On buffeting dynamic properties of membrane structures
索膜結構的抖振動力特性研究 -
In this paper, the achievements of study on wind - induced vibration, especially on flutter and buffeting, of long - span bridges
在簡要回顧國內外關于橋梁兩種主要風振顫振及抖振控制研究的基礎上，對大跨徑橋梁的風振提出了控制措施。 -
One aspect about the studying of bridge buffeting is to simulating natural wind. if the result of its simulation is correct or not, it is directly concerned with veracity of bridge buffeting response
目前，對橋梁抖振研究的一個方面是風場模擬，風場模擬的結果是否與實際相符直接關繫到橋梁抖振響應計算結果的準確度。 -
The study on the buffeting responses and damping measures of bridge pylon during construction, including the flowing parts that were the theory of buffeting wind - induced responses, calculation of the buffeting responses of yamen bridge pylon, the theory of vibration control, the tunnel test study on buffeting responses and damping measures of yamen bridge pylon
橋塔獨塔施工階段抖振響應分析及制振措施的研究主要包括獨塔施工階段抖振響應的理論與計算、結構振動控制措施的理論、風洞試驗研究等幾個方面的內容。 -
It is showed in buffeting analysis that the analysis results in time domain agree well with those in frequency domain. effect of pylon wind field can increase the lateral buffeting response of pylon. nonlinear factor can decrease the nature frequency of cable - stayed bridge, and can increase the vertical and torsional buffeting response
時域抖振分析結果表明：大跨度斜拉橋抖振的時域和頻域分析方法具有較好的一致性；考慮橋塔風效應會顯著增大橋塔的橫橋向抖振響應；非線性因素會降低斜拉橋的自振頻率，會增大斜拉橋的豎向及扭轉抖振響應。 -
Greatest virtue of the method is always combined with practicality ( wind record is real, site of record is real, the site of bridge is real ), while the method for calculation of buffeting response is a ripe one ? inite method. the method for simulating natural wind field is convenience and workable
該法的最大特點是始終與實際相結合（風速記錄是實際的、記錄的地點是實際的、選擇的橋梁是實際的） ，而分析抖振響應的計算方法是成熟的?有限元法，模擬風場的方法方便、可行。 -
An efficient wind field simulation technique for wind - induced vibration analysis of long - span bridges is first introduced in this paper ， and the statistic characteristics of the simulated wind field are then discussed on this basis ， the time - domain expressions for the buffeting and self - excited forces acting on long - span bridges are further given a simple and practical method is presented for the non - linear parameter identification involved in the calculation of self - excited forces by using the above theory ， the wind field and aerodynamic forces acting on the hong kong ting kau bridge are obtained the time - domain buffeting response analysis of the bridge shows that the analytic results agree quite well with the experimental ones this indicates that the theory presented in this paper has reached a practical level
介紹了一種快速高效的用於大跨度橋梁風致振動分析的風場模擬方法，並對模擬風場的統計性質進行了討論和驗證在此基礎上進一步給出了大跨度橋梁抖振力和自激力的時域表達方式，其中針對自激力計算中涉及的參數識別問題，提出了一種簡單實用的非線性參數識別方法本文採用上述理論，獲得了作用於香港汀九大橋上的風場和氣動力，據此對大橋進行的抖振響應時域分析表明，計算結果與風洞試驗結果吻合良好，說明文中述及的這套理論已達到實用的階段 -
In the paper, the wind environment was investigated, at the same time the buffeting responses on the top of yamen bridge pylon under wind were calculated
本文對崖門大橋所處的風環境進行了研究，並對該橋橋塔在獨塔施工階段的塔頂橫橋向抖振位移進行了計算。 -
Application of hybrid self - excited force model to time - domain analysis of wind - caused buffeting of long - span bridges
混合自激力模型在橋梁風致抖振時域分析中的應用
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