矩形力矩圖 的英文怎麼說

中文拼音 [xíng]
矩形力矩圖 英文
moment block
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
  1. Thirdly, the basic configuration plan of a ship undocking assisted by different number of tugs is given. the relationships among the gyroidal moment, gyroidal time and drag forces of tugs in the process of ship undocking are analyzed. the margin of the tugs " towing forces during the ship undocking and turning process is studied

    三、制定了不同數量拖輪協助船舶出塢時的基本布置式,給出了不同拖輪協助船舶出塢時的拖輪布置示意,並試驗分析了船舶出塢回轉與回轉時間和拖輪拖之間關系,並確定了用於船舶出塢回轉的拖輪拖的余度大小。
  2. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該化編程語言完成了測試系統軟體部分的設計,實現了測試功能。
  3. 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的反為正規律;繪制軸、剪矢移動法則;按照橡皮筋變繪彎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
  4. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉,位移,轉速隨時間變化曲線,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁並做實驗進行了驗證,由實驗測得了三相電流波,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  5. Therefore, the safety of bulk carrier is widely concerned ; the theory of insubmersibility is followed by the introductions of domestic and international regulations, solutions, rules and requirements on the floodability ; introduced are the conditions of hold in flooded condition, and provided are the calculation methodology of the stability and buoyancy when flooding. the concept of cargo permeability is concretely defined, and the calculation methods of the amount of flooding waters are executed ; the application of the influence numbers simplify the calculation of the still water bending moment and shearing force in flooded conditions. a new method to calculate the maximum still water bending moment and shearing force is developed by means of the influence numbers ; the simulation system provides a means of evaluation and forecast on ship ' s danger extent after ship is damaged

    在抗沉性公式的推導過程中採用一些假設,並分析了這些假設對結果的影響;然後介紹了船舶強度的概念和計算方法,鑒于現有的剪計算方法工作量大、效率不高的缺點,引用影響數計算船舶進水后的剪和彎;最後根據船舶抗沉性理論對散貨船破艙進水進行模擬,在模擬中根據船舶破艙的實際危險情況,採用直觀的輸入的辦法,判斷船舶的危險程度並計算船舶到達危險狀態的時間以助於船長做出正確快速的決策。
  6. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟體中的simulink化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性阻尼系數、軸系摩擦、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的流量壓脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。
  7. In chapter 5, using coordinate graphs, the influences of rectangular screw, trapezoidal screw and serrate screw on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are compared and analyzed

    第五章,通過坐標對比分析了微型機器人在螺紋、梯螺紋、鋸齒螺紋下,各螺紋參數對軸向摩擦牽引、最小粘液膜厚度、粘液膜承載能、周向摩擦阻的影響。
  8. In chapter 2, an accurate modified reynolds equation is derived. the modified reynolds equation is solved numerically with the finite different method, the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the rectangular screw are obtained. at last, using numeral methods and coordinate graphs, the influences of rectangular screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed

    第二章,首先推導了非牛頓流體的變雷諾方程,化簡了雷諾方程,得出了螺紋下有限差分方程;還推出了螺紋作用下軸向摩擦牽引、粘液膜厚度、粘液膜承載能、周向摩擦阻無量綱表達式,最後用數值計算方法求解,通過坐標分析了螺紋參數對軸向摩擦牽引、最小粘液膜厚度、粘液膜承載能、周向摩擦阻的影響。
  9. The soft tissues are discreted to a mass - spring - damper system, and the topologies of the system are described using adjacent tables, the dynamical equations can be constructed based on the data stored in the adjacent tables. the 4th order runge - kutta method is used to integrate the equations of deformation. using computer graphical techniques to display the visual feedback of the deformation

    將連續的軟組織離散為由彈簧-阻尼器及與其連接的質點構成的離散系統,用鄰接陣表示離散系統的拓撲結構,即質點-彈簧間的鄰接關系,依據該信息,可自動計算與每個質點連接的彈簧、阻尼器對接點的粘彈性的貢獻,然後採用4階runge - kutta方法對得到的微分方程組進行數值積分,用opengl技術對得到的模擬結果進行繪制。
  10. The main contents are as follows : firstly, the structure and characteristics of aqueduct - stayed are summarized, based on which the structure analysis is presented ; planar structural models are established to simplify the analysis of internal force and displacement of aqueduct - stayed based on moment - distribution theory, the formula to calculate the force of cross section of aqueduct - stayed is derived. the finite element method for framed structures is used to analyze the aqueduct body. and corresponding computer programs are developed

    為便於計算,在計算斜拉渡槽的內及變時,將空間結構簡化為平面結構,分別對槽身橫斷面及槽身縱向結陶進行計算:以分配法為基礎推導了槽身橫斷面內的計算公式;運用直接剛度法,編制了桿系有限元程序進行槽身縱向結構計算,並簡單介紹與斜拉渡槽相關的剛度法知識以及程序的流程
  11. Cellular automata was applied to solve mechanical problem of plane truss, and the feasibility of which was discussed in this article. the characteristic of cell and the way of dividing cell were studied while presenting a program and its frame chart. the work load of the new method was not much because it neednt form a partial differential set or a general finite element robustness matrix. numerical computing results show that the new method has a rapid speed of convergence to nodal displacement and internal force of element, so it probably has a good prospect in solving solid mechanical problems

    嘗試用細胞自動機作平面桁架學分析,探討了該方法的可行性.給出元胞的劃分方法和特性,列出計算框並編制了相應的程序,由於不必成結構的偏微方程集或有限元的總體剛度陣,計算工作量小.算例表明,該方法對結點位移和桿內的收斂速度均較快,是一種分析固體學問題有前景的新方法
  12. For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

    數值模擬採用fluent軟體,計算結果用excel進行處理,通過對大量數值工況進行數值模擬計算,結果表明:對于單側百葉風口,計算表明: 1 )對于公式p = ( ~ 2 ) 2 ,的理論計算值中定義為流體流經百葉風口內部時的速度,即有效速度,而工程上常使用流體的來流速度來計算,計算表明,的理論計算值與工程應用值的關系為( _ (理論) ) ( _ (工程) ) = 0 . 813 ; 2 )當來流速度一定時,擋板傾斜角度越小,壓損失越小、出口速度越小;因此在要求進口風速比較小的場所,如播音室、書館等,宜採用擋板角度30的百葉風口;在要求進口風速比較大的場所,如電影院、辦公室等,百葉擋板的角度應選45 ; 3 )當來流速度一定時,百葉擋板的擋板寬度b與擋板間距h的比值b h越大,壓損失越大,出口速度越小,計算表明,鑒于壓損失、出口風速、板間成渦流區的大小,百葉擋板的b h值取0 . 8到2 . 0之間, b h = 1 . 2為最佳值; 4 )當來流速度一定時,在計算的條件下,當百葉擋板寬度b = 40mm時,百葉擋板的阻系數最小,考慮到渦流區等的影響,建議選用10mm b 50mm的百葉擋板;西安建築科技大學碩士學位論文5 )百葉擋板的厚度取為1 . sinln為好; 6 )百葉擋板的入口側可選用具有傾斜度的楔擋板來代替擋板,利用其較好的導流作用,可得到更好的出流效果。
  13. The second is that the upper computer receives the data sending by the communication software to realize the intelligent detection of net structure. the functions include the displaying of the channels of the data acquisition, the displaying of the curve of the acquiring data, the online and offline data analysis, the saving of acquiring data file, the data file management of hard disk and the configuration file ; the third is that it realizes the time analysis, fft and hilbert by intermixing visual c + + 6. 0 with matlab, which has the strong ability with data analysis, signal processing and graphic displaying, data processing and plenty of tools boxes. it implements these functions including fft and hilbert w ithout using matlab again in the environment of visual c + + 6. 0

    上位機監測軟體功能包括通道數據實時顯示、數據實時曲線生成並顯示、實時數據分析、離線數據分析、數據文件保存、磁盤數據文件管理及配置文件管理; ( 3 )使用visualc + + 6 . 0語言作監測系統的實時數據分析的軟體設計,並結合matlab的強大的數值分析、陣運算、信號處理和顯示功能及其強大的數據處理能和豐富的工具箱使數據分析工具,脫離matlab環境,實現visualc + + 6 . 0和matlab混和編程,實現採集的數據實時以及離線時域分析、傅立葉分析和小波分析。
  14. This article has studied the definite integral used in the physics application from power, force, moment of inertia, orthocenter of plane figure and calculation of inertia moment, mainly utilizing the research method from particulars to generals

    本文從功、、轉動慣量、平面心和慣性的計算這幾個方面研究了定積分在物理學中的應用,主要運用了從特殊推廣到一般的研究方法。
  15. Firstly, the distortion of rolled piece and the designing method in the beforehand slit pass and slit pass has been analyzed. secondly, based on the research production of predecessor and research of the author, card system selected some corresponding experience formulas such as roll force, roll moment, roll temperature and roll consume, and established spread model in the beforehand slit pass and slit pass and the distribution model of elongation coefficient. subsequently, card system applied the dynamic programming method with minimum roll consume and optimized its pass system

    本文以圓鋼雙線切分為基本實體模型,著重分析了預切分孔型和切分孔型在軋制過程中的變特點及相應的孔型設計方法;基於前人的研究成果及作者的探索,選擇了相應的軋制、軋制、溫度及能耗模型,建立了預切分和切分的寬展及延伸系數的分配模型;應用動態規劃法以能耗最小為目標函數對孔型系統進行了優化設計;利用visualbasic6 . 0和microsoftaccess數據庫的連接,建立了數據查詢系統,以visualbasic6 . 0和autocad之間的介面在vb環境下完成了斷面孔型的繪制。
  16. Finally, in order to improve the efficiency of the calculation and design, a software on finite element graphic treatment using vba connecting fortran program and autocad 2000 is developed to make structural analysis easier than before, with which the internal forces figures ( including bending moments, axial forces and shearing forces ) and structural deformation figures are drawn automatically

    4 、為提高設計計算的效率,利用vba開發了相應的有限元處理軟體,該軟體實現了fortran程序與autocad的連接,利用桿系有限元程序計算得到的結果,自動繪制出內(包括彎、軸和剪)以及結構的變的自動成使得計算成果的分析工作簡潔、方便。
  17. This article has studied the definite integral in the physics application from the plane figure of the merit, the strength, the rotation inertia, shape heart and moment of inertia computation these aspects, mainly utilized from has specially promoted to the general research technique

    本文從功、、轉動慣量、平面心和慣性的計算這幾個方面研究了定積分在物理學中的應用,主要運用了從特殊推廣到一般的研究方法。
  18. On the basis of application of machinery and power - generating product design, this paper analyzes and quantifies the theory of equilibrium and stability via analyzing the pictures of product, which is one of aesthetics standard method in design process. therefore, the theory of visual gravity and its calculating model are advanced. with applying the technology of detecting edges and gray histogram, the required image information cire picked up

    在機電產品造型設計應用的基礎上,論文從實際產品的照片分析入手,重點對設計應用到的美學法則? ?均衡與穩定理論,進行分析與量化研究,提出了有關機電產品設計的視覺重心理論與計算的框架模型;運用像處理中的邊緣檢測與灰度直方技術,提取操作需要的像信息;綜合產品的態與色彩,分別結合視覺張平衡理論提出了兩種演算法;建立了產品視覺重心計算的相關模型並在solidworks平臺上用vc + +編程實現。
  19. And it draws more attention than all those rectangular images. a square photo has more stopping power and can therefore be sold more often

    而且它比所有那些片更能吸引人的注意。一幅方片具有更多使人駐留的魔,因此有更多機會被出售。
  20. The improvement on the process of automatically measuring city buildings is one of the most important problems in the current aerial photographic measurement. an approach to measuring a city building based on its structure information is presented. a city building ' s ideal model is first represented by some independent parameters according to its structure information and some image variants which can induce model parameters are defined, and then the initial value of image variants are acquired by combining all kinds of information in the left and right images. finally the optimal location of the building is found for some certain criteria. an implementation of this method is illustrated on flat - roof and rectangular buildings in detail. the experimental results show that not only the method is more automatic than existing methods but also the precision of measurement can satisfy the acquirement of the current aerial photographic measurement, and confirm the method has a good developmental and applied potential

    提高城市建築物測量過程的自動化程度是目前航空攝影測量研究的主要問題之一.文中提出了一種基於結構信息的城市建築物測量方法.首先根據城市建築物的結構信息,用幾個相互獨立的參數來描述建築物的理想模型,並定義能推導出模型參數的像變量,然後組合利用左右像中各種信息獲得像變量的初始值,最後在一定準則下尋求城市建築物的最佳測量位置.該文以平頂建築物為例詳細討論了它的一種實現演算法.實驗結果表明,這種方法與傳統方法相比較,有較高的自動化程度,且測量精度能滿足現有航空攝影測量的要求,有較大的發展和應用潛
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