有力矩理論 的英文怎麼說

中文拼音 [yǒulún]
有力矩理論 英文
shell theory with moments
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : 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...
  • : 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名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 理論 : theory
  1. In the same time the output torque can also be measured and controlled rapidly and accurately. due to the complex nonlinear relation between the applied electrical field and the torque, it ' s difficult to set up the model using existing physic and mathematic theories. however, artificial neural network can express discretional nonlinear relation and has ability of study, which provides a new concept and method to solve this problem

    由於波紋式電流變傳動機構的外加電場和電流變液產生的間呈復雜的非線性關系,用現的物和數學來建模尚一定的難度,而人工神經網路表示任意非線性關系和學習的能,給解決這類問題提供了新思想和新方法。
  2. Witten ' s open string field theory formulate the interaction of bosonic open strings in the language of noncommutative geometry. compactification of matrix theory on the noncommutative torus was argued to correspond to supergravity with constant background three form tensor field. more generally, it has been realised that noncommutative gauge theory arises in the worldvolume theory on d - brane in the presence of a constant background b field in string theory

    Witten的開弦場用非對易幾何描述了玻色開弦的相互作用;在非對易torus上的的緊化對應于帶常數三形式張量場的超引;更為普遍的,非對易規范可以自然地產生在帶常數b背景場的三維d - brane上。
  3. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞陣法中的總傳遞陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳遞陣r引入到多層地基在圓形垂直均布荷載、形垂直均布荷載及條形垂直均布荷載作用下附加應與沉降的解析式中; ( 2 )根據多層地基在圓形荷載、形垂直均布荷載及條形垂直均布荷載作用下附加應與沉降的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓形垂直均布荷載中心軸線上的附加應系數和荷載中心沉降,形垂直均布荷載角點下的附加應系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應系數進行的計算,探討了雙層地基中的附加應與沉降特性; ( 4 )應用本文的層狀地基體系對一個工程實例進行了計算分析,並與傳統的計算方法的計算結果和限單元方法的計算結果進行了對比分析,結果表明利用層狀地基計算更能反映地基中附加應分佈的實際情況。
  4. Moreover, popularizing such system is expected. the following works have been fulfilled within this thesis : first of all, based on the general principle of virtual displacement of nonlinear continuum mechanics, the geometric and material stiffness matrices is presented, several examples show that both of them can give out accurate result

    文主要完成了以下工作:首先,根據連續介質構造出的交錯桁架結構空間單元的幾何剛度陣和彈塑性剛度陣,算例分析表明這些陣能準確地計算出結構的空間二階效應和空間單元彈塑性桿端增量,計算結果具良好的精度。
  5. Consequently, on the basis of non - winkler foundation model, a finite - element method that utilizes foundation flexibility matrix into iterative calculation is proposed in this paper originated from the item " the optimal design theory and research of pile capping beam " sponsored by natural science fund of hunan province, which the continuity of soil mass can be accounted for under various boundary conditions, different loadings and irregular beam characters

    本文結合湖南省自然科學基金項目「樁基承臺梁優化設計與方法研究」 ,針對非文克爾地基(半空間、線性變形層或單向壓縮層地基模型等)上的樁基承臺梁,提出一種利用地基柔度陣來進行迭代的限單元法,可充分考慮梁下土體的連續性,並對基礎與土體脫開、承臺梁截面變化、梁體邊界條件復雜、上部荷載類型變化以及梁下基樁承載差異等情況進行分析計算。
  6. During the processes, the container - truck strikes the guardrail twice and nearly capsizes, then recovers from the capsizal and separates from the guardrail ; the crashworthiness of several kinds of guardrails is evaluated by changing its size and thickness, and its design is guided under the simulation result ; the joint simulation is discussed and calculation method of its resistance moment is proposed

    對車輛的碰撞過程進行了描述:車輛在碰撞過程中發生了二次碰撞並且傾覆現象,最後車輛恢復正位,順利沿護欄導出;通過改變護欄欄桿的尺寸和壁厚,評估了多種護欄的耐撞性並指導了護欄的設計;討了集裝箱汽車列車鞍座結構的處,提出了鞍座阻的計算方法。
  7. In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically

    本文研究了大速比摩擦傳動的傳動;設計了新型橢圓凸輪波發生器,設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸輪結構進行了限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能等各項精度指標;對測量數據和研究內容進行了歸納和整,認為新型橢圓凸輪波發生器克服了加工誤差帶來的諸多問題,新型橢圓凸輪波發生器可以進行尺寸精度調整,能夠達到輸入以純偶的形式輸入;通過本項研究,基本可以使「大速比摩擦傳動機構」在工程中得以應用。
  8. Taking the 718 model gimble as an object, the paper focuses on the influences of the nonlinear friction moment and the motor torque wave to the system ' precision at low speed first, then, makes the theoretical analysis and simulation. the experimental verification is carried out in the 718 model for the effectiveness and feasibility of the discussed compensation methods. the low speed properties and the main reasons for the jitter are analysed

    本文以718模型轉臺為研究對象,針對伺服系統低速工作時影響其精度的非線性摩擦、電機波動,從上進行了一系列的分析和模擬研究,討了低速補償方法,並在718模型轉臺伺服控制系統中實驗驗證了補償方法的可行性和效性。
  9. Relative key concept and technique of this method was described in detail in this paper, such as the decomposition of balance matrix, the modes of self - stress, the modes of inextensional mechanisms, the analysis model of optimization under linear constrained condition, the integration of constrained matrix

    文中對桁架的奇異值分解法、自應模態、機構位移模態、約束線性優化數學模型、約束陣集成等關鍵概念和技術進行了詳細的推導說明。
  10. 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,採用直觀的圖形輸入的辦法,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。
  11. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物模型,通過攝動方法和限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、形截面)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和分析,詳細討了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  12. Presents the system established by taking variable - speed torque converter with adjustable guide blades as a pilot control unit and forming an open or closed loop feedback control system, and its outstanding advantages, such as high capacity, simplicity, reliability and good transmission efficiency owned by hydrodynamic drive, and the dynamic model developed for variable - speed torque converter with adjustable guide blades by means of theoretical analysis and regression analysis of experimental data, and concluds that the model is sophisticated and simple enough to be used as a tool for design, analysis and computer simulation of a hydrodynamic control system

    以導葉可調式液器作為控制單元組成的開環或閉環液控制系統,具傳動裝置能容大、系統簡單可靠、傳動效率較高等顯著的優點.通過分析和試驗數據的回歸分析方法建立了導葉可調式液器的數學模型,模型既簡單,又足夠的工程應用精度,為液控制系統的設計、動態分析和性能預測提供了必要的基礎
  13. In the part of case study, the article applies " porter ' s competition adavatge theory, " swot analysis ", " bcg matrix " and " webster and wind model ", to analyze the industry, enterprise situation, capital managemt revenues, market and customer of xingfa. in the end part of the case study, the article draws out a detailed production, investment and management project for the xingfa, confirms that the aim of investment and management of xingfa is to minimize the production cost, to reduce effctively marketing cost, to develop the competitive brand, and to increase market share as soon as possible, the article detailedly discusses the buyers " behavior, as well as industrial merge behavior, and gives strategic analysis on practical and typical issues of xingfa

    案例分析部分,根據案例部分提供的素材和作者收集的其他關資料,運用行業競爭5種壓模型、 swot分析方法、 bcg陣,韋伯斯特和溫德模型等管、經濟、投資方面的,對興發空調公司作了行業環境分析、企業狀況分析、市場及客戶分析、資本運營分析,最後對興發空調公司生產投資管方案作了詳細的規劃,確定了公司投資管的宗旨是自資本收益的最大化,公司的資本市場定位在充分籌借低成本資金,效地降低經營成本、追求成為市場上的強勢品牌,盡快提高市場佔率。
  14. Finally, the thesis primarily sets up the internal force model of the supporting structure system in the bi - arch tunnel, namely, the distribution model of the surrounding rock ' s pressure, the internal force model of the steel framework and the axial force model of the anchor bolt, and these results can have the guiding significance to the design and construction of the similar tunnel engineering

    最後,結合限元的計算及現場實測數據的分析,初步建立了雙連拱隧道支護結構體系的內模型,即:圍巖土壓模型、初期支護鋼拱架內(主要為軸和彎)模型以及錨桿軸模型。充分解和闡述了構件的工作狀態,對今後類似隧道工程的設計和施工具一定的指導意義。
  15. Point to above problems, under the financial support of the national natural science foundation ( exploration of high tech and new concept and new conceive ), the excellent young teachers program of ministry of education and national excellent doctoral dissertation special foundation, the static and dynamic real - time computation of elasticity - plastic mechanics, solving method of fuzzy finite element and other problems were studied in this paper. and some achievement was gained as following : ( 1 ) based on the positive definiteness of system stiffness matrix of finite element that was modified and the form of potential energy function of elastic body, the linear system of saturation mode ( lssm ) was introduced into the neural computation of finite element, by which the no - error solving of finite element neural net computation was realized in theory

    針對上述問題,在國家自然科學基金(高技術新概念新構思探索) 、教育部優秀青年教師資助計劃、高等學校全國100篇優秀博士學位文作者專項基金等的資助下,本文對彈塑性學問題的動靜態的實時計算、模糊限元的求解方法等問題進行了系統和深入的研究,取得了以下成果: ( 1 )根據限元總剛陣經修正後具正定性的特點以及彈性體勢能函數的具體形式,將飽和模式的線性系統(簡稱為lssm系統)引入到限元的神經網路計算中,在上實現了限元神經網路計算的無誤差求解。
  16. Concrete elastic modulus and concrete creep and shrinkage variety at different time are reckoned in by using time increment analysis method and concrete creep and shrinkage secondary force is calculated by using effective elastic modulus. bridge stability analysis program is developed on the base of structure matrix displacement method, the program adopts visual basic language, has friendly interface and visual data input windows. the buckling safety factor of currently finished structure is given as result

    為計入混凝土彈性模量的變化及混凝土徐變收縮隨混凝土的齡期與外荷載加載時間不同而變化的影響,採用時間增量法對每個計算階段根據其階段內時步數進行循環,以計算時段內彈性應、應變增量和徐變、收縮產生的應應變增量,利用效彈性模量法計算混凝土徐變收縮次內,在此基礎上,結合結構陣位移法的基本編制開發了計入混凝土時效效應的高墩大跨徑橋梁穩定分析程序。
  17. Through the study with non - linearity friction on simulation model of the stabilized system, in theory the analysis of the angular acceleration loop ' s contribution is given. in testing platform, the measure devices of angular acceleration and velocity constitute the double loops, they are angular acceleration loop and angular velocity loop. and this experiment gives the proof that the angular acceleration loop could eliminate the errors which are taken by the motor ' s reversing

    最後,本文在上分析角加速度環對隔離度的貢獻;通過對含非線性摩擦的平臺穩定系統模擬模型的研究,從上驗證角加速度環具克服摩擦的能;在實驗轉臺上加入由線加速度計構成的角加速度測量裝置,並與測速機構成角加速度環、角速度環雙環結構,驗證了角加速度環對電機換向誤差的消除作用。
  18. Based on structural dynamics, different damage diagnosis index, such as modal frequency variety, modal assurance criterion, co - ordinate modal assurance criterion, modal strain energy, remains force vector, modal strain, rigidity change, flexibility matrix, modal curvature and so on, are studied in this thesis

    基於結構動,本文述多種損傷識別指標的基本原和計算方法,主要包括:固頻率變化率、模態置信因子、改進的模態置信因子、模態應變能、殘餘向量、應變模態、剛度變化、柔度陣、曲率模態等。
  19. According to the theory of the finite element analysis, the matrix of mass, rigidity and damp in every part of shell structure have been fixed on ; at the same time, calculation has been done in dynamics and statics

    利用限元,分別確定了復合殼體結構中各部件的質量陣、剛度陣及阻尼陣,並對其進行了靜學與動學計算,結果證明內襯三維波紋鋼板復合殼體結構與普通混凝土殼體結構相比,其結構承載了較大的提高。
  20. This dissertation applies 3 - d finite element theory to development of the shape functions and stiffness matrixes of the triangular prism isoparameter elements ( 6 to 15 nodes ). a calculating method for gaussian integral in triangular prism is presented. the stress field in welded steel structures can be computed by the triangular prism isoparameter elements ( 6 to 15 nodes ) and hexahedron isoparameter elements ( 8 to 21 nodes )

    本文應用三維限元,構造了一類五面體6 15節點單元的形函數,提出了在五面體單元內的gauss積分處方法,建立了相應的單元剛度陣,將其與六面體8 21節點單元結合,可用於計算焊接鋼結構的應場。
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