bird strike 中文意思是什麼
bird strike
解釋
鳥撞擊〈飛機和一群鳥相撞，可能造成失事〉。-
The canopy transparency was strengthened to withstand a four - pound, 350 - knot bird strike
透明座艙蓋被加強到可以經受一隻四磅重的飛鳥以350節相對速度產生的撞擊。 -
The bird strike is similar to adding a high velocity rate loading to the aircraft wndshield, and thus results in the wndshield ' s high stain rate deformation
飛鳥對于風擋的撞擊，類似於對于風擋施加一高速率的載荷，從而引起風擋材料以很高的應變速率變形。 -
The supplementary information to address the potential bird strike risk submitted by the permit holder on 10 april 2001, 25 may 2001 and 8 june 2001 respectively
許可證持有人分別於2001年4月10日、 2001年5月25日及2001年6月8日所提交用以避免潛在鳥撞風險的補充資料。 -
Branch of the ministry of transport, enac ( agency for civil aviation ). studies, consults, makes proposals in the field of bird strike prevention. the organization has participated in several international meetings
義大利交通部分支機構， enac （民航機構） 。在防止鳥撞事件領域內進行研究、咨詢和提出建議，並參加若干國際會議。 -
The accidents of bird impact have caused huge loss to human being. it is important to establish the predicting system to definite the response of the blade for the improvement the strength of the blade on the design of the resistance of the blade under the bird strike
減少此類事故發生的措施之一是:針對易受鳥撞擊的發動機等主要部件，從理論與實踐方面研究鳥撞擊的機理，對其進行結構、強度及性能的計算與試驗分析，指導工程設計，提高這些部件自身的抗鳥撞擊能力。 -
In summary the major research work in this thesis can be drawn as follows : 1. the techncal data and research information from woridwide aviation history about bird striking to airframe have been collected and reviewed more carefully the evolutions of bird striking load models and fem numerical compatation methods to bird strike also have been sununarized. this informational research makes great help to position further thesis work scientifically 2
本文研究工作可歸納總結為以下三個方面： 1 、較全面整理綜述了鳥體撞擊飛機結構在國內外航空史上的技術資料以及鳥撞問題理論與工程研究的歷史沿革，總結了撞擊載荷研究模型、有限元數值計算方法的發展歷程等，明確了本文研究工作的科學定位。 -
The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects
2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路，系統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線性有限元數值計算方法、粘彈性體非線性形變的本構物理關系；對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非線性數值計算的細致步驟。 -
The strike between flying birds and aeroplanes frequently results in damage of aircraft structures. the serious events of bird - striking can lead to unacceptable losses of aircraft and crewmembers
鳥與飛行中的飛機相撞擊經常導致飛機結構的損壞，嚴重的鳥撞事件會引發機毀人亡的災難性事故。
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