按動力的 的英文怎麼說
中文拼音 [àndònglìde]
按動力的
英文
krftemig loads or loading-
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 method of crack - division is used to make radial cracks at the edge of cavity. a series of integral equations for determining the dsif at tips of anti - plane crack are set up in terms of the green ' s function
按「契合」的方式和採用裂紋切割技術構造出孔邊徑向界面裂紋對sh波散射的模型,利用green函數建立直接求解m型裂紋尖端動應力強度因子的定解積分方程組。Then following reality constituent of engine and connecting component interface, a nonlinear signal cylinder engine model has been created, though fire interval and fire order, a control - oriented four cylinders engine is build. following dynamometer is seen as load, performance of engine is simulated and researched under the condition of constant torque and speed, validation of the math and simulation model have been confirmed by comparison result between simulation with test result of engine performance simulation software dyno
按照發動機的實際組成,根據各部件的介面類型連接模型庫中的部件,建立了單缸發動機非線性模型,在此基礎上,依據發動機實際發火間隔和順序,建立了面向控制的四缸汽油機模型,並以測功器為負載,通過恆轉矩和恆轉速方式進行了發動機性能模擬和研究,模擬結果和發動機動力性能模擬軟體dyno測試結果的對比驗證了數學模型和模擬模型的正確性。Inasmuch as the labour involved is nearly independent of the size of the preparation, the following procedure is designed on a fairly large scale.
由於在制備工作中所花費的勞動力幾乎同制備量的多少無關,下述操作手續是按頗大的批量來設計的。The system constitution and frame construction of micro - emergency logistics capability are built from three points of view, namely the logistics activity attribute, the logistics system nonrepresentational characteristic and the logistics capability constitution idiosyncrasy
按照研究范圍的大小,將應急物流能力劃分為宏觀、中觀和微觀3個層面,並從物流活動的性質、物流系統的抽象特徵和物流能力構成要素的特點3個角度,對微觀應急物流能力的體系結構與框架進行了建構。Abstract : it presents the law of “ the reverse is positive ” on how to evaluate the unknown force of statically determinate structure, the movement law of force vector for drawing the axial force diagram and shear diagram. and expounds the simple and convenient method of drawing the moment diagram according to the rubber band deformation, and the auxiliary teaching software corresponding to the above - mentioned methods. the methods are believed to save class hour and gain a better effect on teaching
文摘:闡述了求靜定結構未知力的反為正規律;繪制軸力圖、剪力圖的力矢移動法則;按照橡皮筋變形繪彎矩圖的簡便作法以及與上述方法對應的計算機輔助教學軟體.相信這樣作,對教學可起到省課時、效果好的作用Just take a shot and press the button, and everyone can enjoy the crisp, clear, easy - to - view images the large lcd provides. also, the lcd is protected by an acrylic panel that reduce scratching. the panel is easy to wipe clean of fingerprints and smudges too, so you always get a good, clear view
其獨立的播放按鈕更可即時播放已拍攝的影像:只需完成拍攝后,按下播放按鈕,您就可與親朋好友從特大的lcd顯示屏上輕松觀賞色彩鮮明、清晰動人的影像。此外, dimagex1的lcd顯示屏上還加有亞加力保護屏,以保護顯示屏免受刮花。The this aircraft appliance has the independence actuating unit and the electrical system, and uses the button common control
本機器具有獨立的動力機構和電氣系統,並採用按鈕集中控制。In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered
論文根據熱傳導理論、彈性徐變理論及有限元理論,用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析,較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律,在分析中按照混凝土拱壩施工過程,考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。This paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it
建立預應力混凝土連續梁橋預應力度的模糊優化問題,按-水平截集解法,將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后,只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想,並以一實例說明其理論應用Abstract : this paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it
文摘:建立預應力混凝土連續梁橋預應力度的模糊優化問題,按-水平截集解法,將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后,只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想,並以一實例說明其理論應用This paper introduces the calculation of the loads of different waves and the combination of sine wave and cosine wave. furthermore, stressing on discussing the corresponding problems of the fem of the whole structure and putting forward the basic principles of building a fleet. taking a fleet for example, the paper discusses the whole response of the fleet and the local response of it according to different load cases
本文介紹了船舶的波浪載荷計算及按動態載荷法進行載荷分量組合,而且研究了結構有限元模型的有關問題,給出了結構的模型化原則;本文以一條051艦為例,討論了不同的工況下整船艦艇結構應力的響應以及局部結構的響應。To adapt the circumstance in which the crankshaft torsional vibration generally exists, the new method ( tvrs method ) in which the cylinder power is inversely solved according to the torsional vibration curve is put forward and deduced in this paper, that is, the average effective pressure of each cylinder i. e. power condition of each cylinder is estimated based on a crankshaft torsional vibration curve according to the elasticity model of the actual shafting of engine and by use of the i. c. engine dynamics, the numerical calculations and the signal theory etc. although the computing workload is more, the method makes full use of the now available data of the torsional vibration of the i. c. engine, and can be used to all kinds of i. c. engine on any kind of operating condition, so it has higher application value
為適應內燃機普遍存在曲軸扭振的情況,本文提出並推導了利用扭振信號反算的新方法( tvrs法) ,即採用軸系中某一測點的扭轉振動信號,按軸系實際的彈性模型,依據內燃機動力學、數值計算方法和信號理論等,反算各缸的平均有效壓力,定量判斷各缸的作功狀況。此法充分利用內燃機現有的扭振資料,雖然計算工作量較大,但普遍適用於各種類型各種工況的內燃機,有較高的實用價值。According to different research objectives, four kinds of vehicle dynamic models ( named from model a to model d ) and two types of train dynamic models ( model e and model f ) are established in this thesis. during the modeling process of the vehicle and train systems, nonlinearities arising from wheel / rail contact geometry, wheel / rail interactive forces and suspension characteristics are fully considered. the modeling methods about vestibule diaphragm, coupler and draft gear are introduced, too
本文按照研究目的的不同,建立了4種車輛動力學模型(模型a模型d )和2種列車動力學模型(模型e和模型f ) ,建模過程中盡可能多地考慮了列車(車輛)系統中的各種非線性因素,詳細給出了風擋裝置、車鉤及緩沖器的具體建模方法。The third, according to code for seismic design of buildings ( gb50011 - 2001 ), the analysis of r. c. frame structure with special - shaped column is conducted under minor levels of ground motion by means of model analysis method and elastic time - history analysis method
第三,按照抗震規范( gb50011 - 2001 )的相關規定,用振型分解反應譜法和彈性動力時程分析法,對鋼筋混凝土異形柱框架結構進行了多遇地震下的計算分析。According to the frndamental and the steps of this method, we cans use the linear regress filter method to make the simulation of the wind load and then we can educe the curve of the time - process wind velocity. after that step, we can get the chart of the dynamic wind load which we can deliver the crosswind into the particle wind load and put them on the corresponding cell nodes. then we can do the analysis of the dynamical wind load through the time - process analysis to get the max value of the displacement
根據線性回歸濾波器法的基本原理和步驟,藉助相關軟體進行風荷載的人工模擬並得出風速時程曲線,進而轉化為風動力譜,由此將橫風向風力表達成節點風荷載作用於相應的單元節點上,按時程分析法對該空間桁架體系進行風荷載的動力分析,求出結構在進行風動力荷載分析時,結構相應節點對應的最值位移值。There should be a theoretic premise if regards this theory as a fundamental in individual expendable distribution in socialistic society, which is also a general economic condition at advanced socialistic - society : a uniform public ownership of means of production was set up domestically, and a stringent planned economy was realized in a country etc. a introspection and retrospection of the theory - - - - - - distribution - according - to - work makes us clear that the aim of which is not only to acquire the value of labor force own, but to recompense a laborer with surplus work or surplus product
馬克思提出了科學的按勞分配理論,以按勞分配作為社會主義個人消費品分配的基本原則。其理論前提是社會主義高級階段的一般經濟條件:建立了全社會范圍內統一的生產資料公有制,實現了全社會嚴格的計劃經濟等。通過對馬克思恩格斯按勞分配理論的重新考察,認為按勞分配的目的與所要解決的問題是使勞動者不僅要領回自身勞動力的價值,而且還得到部分剩餘勞動或剩餘產品。Meanwhile, according to the requirement that the government is a primary impetus of the economic structure adjustment, the operating capability of the industry should be improved continually, and an organic ecologic community, an ordered industrial development mechanism and a harmonious industry ecosystem will be formed, and a harmoniously stable industry structure will be finally set up
同時,要按照政府是經濟結構調整的「第一推動力」的要求,不斷提升產業操作能力,逐步形成一個有機的生態群落、一個有序的產業要素流動機制和一個各個環節相互協調的產業生態鏈,從而形成具有連續穩定發展能力的協調的產業結構。There are concrete relationship between the population pressure and the transfer of agricultural surplus labor, and in different region the population pressure is different. the rural region is the agricultural population ' s concentrated region, so in this paper, we use some mathematic analysis to calculate the population pressure in the rural region of fujian province, based on the result, we divided the rural region of fujian province into four groups : the lower pressure region ; the midst pressure region ; the high pressure region and the highest pressure region. then choose a county in the high pressure region - - - - - - yunxiao county to study the transfer of agricultural surplus labor, then analysis the affection in the transfer and the obstructive factor, and put forward some suggestion to solve the transfer in the county
本論文利用ahp決策分析等數量分析方法對福建省鄉村地區人口壓力進行定量評估分級,把全省鄉村地區按人口壓力大小分為四個等級:低壓力區、中等壓力區、高壓力區和最高壓力,然後就高壓力區的一個縣? ?雲霄縣對農業剩餘勞動力轉移進行研究,通過對樣本村的典型調查獲得該縣農業剩餘勞動力轉移的第一手資料,結合「五普」等資料對該縣的農業剩餘勞動力轉移現狀和特點進行較為微觀的分析研究,探討影響農業剩餘勞動力轉移的各種動力機制,並就農業剩餘勞動力轉移過程中存在的各種障礙因素進行分析,在此基礎上,對雲霄縣農業剩餘勞動力的提出幾點對策和建議。If by their ticket enforcement agencies use the power, control valves can be divided into pneumatic, electrical, fluid movement three, namely to compressed air to power sources pneumatic - valve to call for the engine electric control valves for the liquid medium ( such as oil ) pressure - driven electricity fluid moving control valves, and their functions and characteristics hours are electromagnetic valves, electronic style, smart, floor bus - control valves
如果按其所配執行機構使用的動力,控制閥可以分為氣動、電動、液動三種,即以壓縮空氣為動力源的氣動調節閥,以電為動力源的電動控制閥,以液體介質(如油等)壓力為動力的電液動控制閥,另外,按其功能和特性分,還有電磁閥、電子式、智能式、現場總線型控制閥等。分享友人