撞擊載荷 的英文怎麼說

中文拼音 [zhuàngjīzǎihé]
撞擊載荷 英文
bump stroke
  • 撞 : 動詞1 （猛然碰上） collide; strike; knock; bump against; run into 2 （碰見） bump into; run into;...
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 荷 : 荷名詞（蓮） lotus
  • 撞擊 : 1 （撞） impact; ram; dash against; strike; knock; hit against 2 [工業] liquid knockout; percussi...
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. 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。
  2. 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。
  3. 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。
  4. It supports the aircraft during parking and endures the loads during ground maneuvers. most of the vertical and horizontal kinetic energy are absorbed and dissipated by landing gear. it plays an extreme important role in preventing the airframe from vibration and excessive impact forces, improving passenger comfortable characteristics and increasing aircraft flight safety

    飛機起落架作為飛機結構的一個重要部件，承受著飛機與地面接觸時產生的靜、動載荷，吸收和消耗飛機在著陸撞擊、跑道滑行等地面運動時所產生的能量，在減緩飛機發生振動，降低飛機地面載荷，提高乘員舒適性，保障飛機飛行安全等方面發揮著極其重要的作用。
  5. During its storage, transportation, maintenance and service, the solid rocket motor ( srm ) may encounter many incidents such as being dropped onto the ground while being hoisted up, crashing when vehicle turns over during transportation, being struck heavily in takeoff or landing accident while being carried by airplane, impacting with launch platform or buildings when there is abnormality during launch of multiple - stage rocket. impact of great intensity takes place in such accidents, which will lead to srm ignition or explosion

    固體火箭發動機在貯存、運輸、維護及使用過程中可能遇到各種意外機械撞擊激勵，例如:吊裝過程中跌落，運輸過程中因交通事故發生翻覆碰撞，機載固體導彈掛飛時因載機發生起降事故導致高速沖撞，多級火箭發射初期因發射異常與發射架或地面建築物發生碰撞等，固體火箭發動機將受到劇烈機械撞擊載荷作用，導致其著火燃燒甚至爆炸。
  6. In the areas of impact dynamics and high velocity impact dynamics, measuring impact load and pressure between two contacted interfaces is still a difficult work. polyvinylidene difluoride ( pvdf ) piezofilms are of interest to solve the above problem as potential gauge materials since they have quick response to dynamic load and available plasticity

    在碰撞及高速碰撞動力學的研究中，界面與界面之間壓力、撞擊載荷隨時間的變化等的測試一直是一個難題， pvdf壓電特性的發現為解決這一難題提供了可能。
  7. The results from simulations were compared with the results from the biomechanical tests. by using this model, lower extremity impact in different loads was simulated. the influence of impact location to lower extremity injuries was analyzed and discussed

    通過運用本模型，模擬了不同的高度的沖擊載荷時下肢的生物力學響應和骨折情況，並通過比較不同載荷條件下下肢的力學響應，分析了碰撞位置等參數與下肢損傷之間的聯系。
  8. This paper firstly presents the impact basic theories and the applying method for the general engineering fem software system - ansys, then the preliminary numerical simulation has been conducted in the mechanical process of the laminated composite plates subjecting to the impacting loads, the higher - velocity hit between the composite shells and the metal structures, the bird - impact radar cover experiment is also included. changes of the mechanical values in subjecting to different impact loads are also analyzed

    而後通過對復合材料結構層合板遭受沖擊載荷作用、球殼與金屬板的高速撞擊，以及雷達罩鳥撞實驗等力學過程進行了初步數值模擬，分析了主要的力學參數量在承受不同沖擊變量時的變化，並為部分理論計算找出了相應的實驗依據。
  9. According to the meso - scale structural characteristics of composite solid propellants ( csp ), the damage modes in csp induced by mechanical impacts, and the conclusions of former research, crack friction is considered to be the key factor for csp hot - spots

    本文根據固體推進劑細觀結構特徵及撞擊載荷作用下的損傷破壞模式，結合相關理論分析結果，將裂紋摩擦作為推進劑熱點形成的關鍵因素。
  10. The research work of this dissertation aims at the study of srm safety under mechanical impact. based on mechanism analysis of hotspots and by use of dynamic finite element method, efforts are focused on the establishment of a general theory applied for srm safety analysis under mechanical impact

    本文對機械撞擊載荷作用下固體火箭發動機安全性進行研究，以熱點機理分析為基礎，以結構動力有限元方法為手段，將熱點細觀模型與發動機結構撞擊變形分析有機結合，旨在探索機械撞擊載荷作用下固體火箭發動機安全性分析研究的方法和途徑。
  11. Abstract : a previously proposed approximate quasi - static theoretical method is employed herein to examine the deformation and perforation of a simply - supported circular plate struck by a flat - faced projectile at normal incidence. based on the principle of virtual work, static load - displacement relationships are first obtained and then used to predict the energy - absorbing capacity of the plate subjected to relatively low speed impact. it is shown that good agreement is obtained between the theoretical predictions and the available experimental data, provided that adiabatic shear plugging failure does not occur, but the influence of strain rate sensitivity is taken into account

    文摘:採用準靜態近似理論方法分析簡支圓板在平頭彈丸正撞下的變形和穿透.首先基於虛功原理得到了靜態荷載位移關系，並將其用於預測低速沖擊下圓板的能量吸收能力.當考慮了材料的應變率敏感性，並且不發生絕熱剪切沖塞破壞的前提下，理論預測和實驗結果吻合良好
  12. When supporting strongly dynamic loads, such as explosive loads and impulsive loads, the structures will show different mechanics characters from standing quasi - static loads

    在爆炸、撞擊等強動載荷的作用下結構將表現出與準靜態情形很不相同的力學行為。
  13. Either the collision between ship and bridge or ship and anti - collision equipment is a complicated non - linear dynamic response process under extreme large load in a very short time. because of the complicacy and the uncertain factors in collision process, it is nearly impossible to make theoretic analysis by building up an accurate mathematic model

    無論是船-橋相撞或是船-防撞裝置相撞都是一個十分復雜的碰撞動力學問題，是兩者在很短的時間內在巨大沖擊載荷作用下的一種復雜的非線性動態響應過程，且碰撞過程中存在多種不確定性因素，因此企圖通過建立一個精確的數學模型使問題得到完全解析是不可能的。
分享友人
分享到 Line

分享到臉書