飛具結構 的英文怎麼說
中文拼音 [fēijùjiēgòu]
飛具結構
英文
aircraft structure-
This research work on bird striking has a long history and already got plentiful achievemellts in theories and experiments, howevef, still a long way no doubt waits to go for sophisticated research work on it more detailed to apply to airframe engineering quantitatively in combination wth the technical reformation of the birdstrike experimelltal system in our laboratory, this thesis deeply studies and analyses the numerica1 computation and simulation methods to birdstrike dynamic response problem based on finite - elemefit - method ( fem ) numerical emulation and modem large - scale scientfic computation software
本文結合我公司鳥撞實驗體系技術改造項目，應用有限元數值計算模擬技術及現代大型科學計算工具，對鳥體撞擊飛機風擋結構的動力學響應問題進行了系統學習與研究探討，初步掌握了科學計算方法，獲得了計算模擬的實踐經驗，為今後深入應用大型科學計算手段進行撞擊類科學問題的研究以及深入應用於工程實踐奠定了強有力的工作基礎。Bat : any of various nocturnal flying mammals of the order chiroptera, having membranous wings that extend from the forelimbs to the hind limbs or tail and anatomical adaptations for echolocation, by which they navigate and hunt prey
蝙蝠：一種翼手目的夜間飛行的哺乳動物，它們具有能從前肢伸到後肢或尾巴的膜狀翅膀，其生理結構能夠靠聲波定位，並以此導航和捕食。The simulation result indicates that the controller is robust and can keep the optimal flight formation
通過模擬驗證，表明此控制器能較好地穩定優化后的編隊飛行結構，並具有良好的魯棒性。一 、 summarization with the development of society and the improvement of people " s living standard, people engage in social activities and productions, demand to construct many large span structures such as auditoria, exhibition hall, gym, air shed. space structures are most competitive and suitable structural shape to solve the problem of erecting wide span building structure
一、概述隨著社會發展與人民生活水平的提高，人們從事社會活動和生產，需要建造大跨度的會堂、展覽廳、體育館、飛機庫等大空間建築，而解決大跨度建築結構最具有競爭性的結構即是空間結構。Secondly, paper introduces the composition structure and the manufacture craft characteristic of airplanes, describes the structure and the main assembly process and the assembly characteristic of the n # fuel tank section, points out the assembly accuracy control of the n # fuel tank section. thirdly, paper analyses in detail problems which exist in the current riveted assembly of the n # fuel tank section, proposes the improve measures against the existent problems. finally, paper forecasts in theory the positive effect that the new plan will bring, introduces the practical result after approval test, analyses the differences of both
具體做了以下幾方面工作:第一，詳細闡述了工作研究的基本原理;第二，介紹了飛機的組成結構、飛機製造工藝的特點、 n #油箱段的主要結構、 n #油箱段的主要裝配過程、 n #油箱段的裝配作業特點和n #油箱段的裝配準確度的控制方法;第三，具體分析了n #油箱段鉚接裝配生產線現行作業中存在的問題，針對存在的問題，提出了具體的改進建議，並形成了新的改進方案;第四，從理論上預測了新方案將會帶來的積極效果，介紹了新方案在現場試驗驗證的實際結果，並對兩者之間存在的差異進行了對比分析與研究。The frame parts are important components to build the framework of the aircraft, which quality and efficiency of the machining determines the manufacturing time and performance of the whole aircraft. in present more time was spend in designing the fixture when producing the aircraft. so the technology of computer aided fixture design ( cafd ) was studied to meet the requirement of aircraft manufactuing enterprise to enduce the fixture design cost and enhance quality
在結構件的數控加工中，要花費大量時間進行夾具設計，傳統的夾具設計方式已成為縮短飛機生產周期的瓶頸，快速地設計出滿足製造要求的夾具是飛機製造企業的迫切需要，計算機輔助夾具設計正是為了適應這一要求而產生的。The technique of synthesis optimization for aircraft composite structures is the best tool for fully - elaborating the composite designability and increasing the integrated performance of aircraft structures
復合材料飛機結構綜合優化設計技術是充分發揮復合材料的可設計性特點，提高飛機結構整體性能的最佳工具。As the finance lease plays a very important role in ca ' s aircraft finance, the thesis addresses very detailed comments on its concept and distinguishing criteria set out by mof. furthermore, the thesis describes the principles and structures of some aircraft finance facilities once or currently ca widely utilize including japanese leveraged lease ( " jll " ), eximbank or ecgd supported lease and mortgage loan in rmb which classified as tax - oriented lease, assets - backed finance lease and direct borrowing from bank, respectively
本文首先回顧了國航飛機融資的歷史，對國航飛機融資中目前佔有重要地位的融資租賃的概念、判定依據以及國航使用最多的幾類飛機融資工具包括以日本杠桿租賃為代表的節稅租賃、出口信貸為代表的財務租賃以及人民幣抵押貸款等的原理、結構作了較為詳盡的論述。Whether the long - range aerocraft can complete the flight mission has the direct relation with the performance of the fire work departing installation, so it has the great reality significance to optimize the structure of space navigation departing installation
火工分離裝置工作性能的好壞直接關繫到遠程飛行器完成飛行任務的成功與否，因此對宇航火工分離裝置進行結構優化具有重大的現實意義。With the rapid development in chinese economy, the steel structure and thin - walled colded - formed steel structures have been widely used in building constructions. the colded - formed angle members are one of important member in steel structures and are widely used in transmission towers, trusses and bracing members by its easy connection and erection
隨著我國經濟的飛速發展，鋼結構冷彎薄壁型鋼結構在建築中應用越來越多，冷成型角鋼構件是鋼結構中的一類重要構件，它具有易安裝和連接方便的優點廣泛應用於塔結構、格構柱、桁架結構及支撐等結構。Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions
雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法，研究了雙三角機翼布局飛機空氣動力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為設計變量，採用多變量數值尋優方法，在戰術技術指標及相關幾何約束條件下，對某高級教練機的雙三角機翼氣動布局方案進行了優化選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能，還改善了結構的受力情況，與工程實踐吻合Pilots have agreed that the volantor is simple and easy to operate as well as being environmentally smart
飛行家們一致認為這架飛行器是一架結構簡單、容易操作又兼顧環保的交通工具。Integral panel is a flat part integrated with framework elements, connection elements and skin in traditional aircraft structure, it is the main supporting structure in aircraft, having the advantages of high - intensity, low - weight, and so on
整體壁板是將傳統飛機結構中的骨架元素、連接元素和蒙皮製成一體的板類零件，是飛機的主要受力結構件，具有強度高、重量輕、氣密性好等優點。This paper investigates the condition and actual problems of civil airplane development, and then brings forward the plan that the correct management concept must be set up first, and we improve on the management process with this idea : in view of the complication and the condition of civil airplane development, general organizing structure in project management, we redesign the organizing structure - the strong matrix based the tetrahedral coordinates. analyze the management job of the civil airplane development, then research management process with the idea of project management, set up the new whole work flow. research some work flow such as risk management as a hotspot in project management
本文針對民用飛機研製的現狀及存在的問題，提出了必須建立現代項目管理理念，用項目管理的思想來改進民機研製的管理流程：針對民機的復雜性，結合項目管理常用組織結構和民機研製項目現有的情況，對民機研製的組織結構進行了重組，建立了基於「四坐標」管理的強矩陣組織結構；在對民用飛機研製的管理工作充分分析的基礎上，按項目的生命周期，用項目管理的方法對民機研製的管理流程進行了研究，建立了新的、符合項目管理要求的民機研製項目總體流程；研究了民機研製項目具體工作流程。It is a very important project for birds to strike aircraft structures in airframe designs and appiication practices, meanwhiie, which aiso possesses of the values of in - deep scientiflc research and theoretical exploration
鳥體對結構的撞擊不僅是飛機結構設計工程及應用實踐中的重要課題，同時也具有深入的科學研究價值和理論探討意義。For smaller vehicles with high acceleration the wind may be little concern with structural loads.
對于具有高加速度的小型飛行器，風與結構載荷的關系可能不大。The module of fixture design for nc machining of aircraft frame part is developed to build the nc process equipments design system with other module on basis of the above study, which used well in chengdu aircraft industrial ( group ) co. ltd
（ 4 ）研究了基於知識熔接的建庫技術，開發了典型夾具的標準件庫和典型夾具庫。在此基礎上開發了面向飛機結構件數控加工的夾具設計模塊，該模塊集成於成飛公司數控工裝設計系統，取得了良好的效果。Combined with modem structural finite element analysis, modern structural optimization algorithms, composite structures mechanics and aeroelastic tailoring of composite wing as well as relative high performance numerical method, a system named the composite synthesis optimization for aircraft structures ( cosoas ), has been developed in this paper, which has own independent component of finite element analysis
本文結合現代結構有限元分析方法、現代結構優化演算法、復合材料結構力學、復合材料氣動彈性剪裁設計方法以及相關的高性能數值計算工具開發出了擁有自己獨立有限元程序的復合材料飛機結構綜合優化設計系統（ cosoas ） 。在內容上本文突出復合材料應用特色。The working principle of pulsed eddy current ( pec ) nondestructive testing technology is analyzed, the pec testing system was been established to examined the specimen of multi - layered aircraft structure, peak and zero - crossing time of the time domain transient response signal of pec are extracted as the features to detect the corrosion in the second layer of aircraft structure quantificationally, the experiment results are consistent with that of the theory analysis, as the pec have the advantages of fast speed and quantification, this makes the method have the broad using foreground in the testing of aircraft structure corrosion
摘要對脈沖渦流無損檢測技術的工作原理進行了分析，建立了脈沖渦流的檢測系統對加工的模擬飛機多層結構的試件進行了測試，提取其時域瞬態感應信號的峰值和過零時間作為特徵量，對出現在飛機多層結構第二層中的腐蝕缺陷進行了定量檢測，試驗結果和理論分析相一致，證明了脈沖渦流檢測方法的有效性，由於其具有快速和定量化的優點因而在飛機結構的腐蝕檢測中具有廣闊的應用前景。At last, considering the practical application, the preceding contents have been integrated altogether as a soft system in this paper and the design objective of the composite synthesis optimization for aircraft structures have been realized through the multilevel hybrid optimization model when a specific application of the forward - wing design has been tested
最後本文從工程實際應用角度考慮，把上述內容通過一個具體的前掠機翼結構設計問題集成為一個軟體系統，通過多級混合優化模型，實現了本文提出的復合材料飛機結構的綜合優化設計目標。分享友人