迭代法的幾何 的英文怎麼說

中文拼音 [diědàifǎdejīhé]
迭代法的幾何 英文
geometry of iteration
  • 迭 : Ⅰ動詞（輪流; 替換） alternate; change Ⅱ副詞1 （屢次） repeatedly; again and again 2 （及） in tim...
  • 代 : Ⅰ動詞1 （代替） take the place of; be in place of 2 （代理） act on behalf of; acting Ⅱ名詞1 （歷...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 幾 : 幾代詞1. （多少, 用於詢問數量和時間） how many 2. （表示不定的少數目） a few; several; some
  1. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真空微電子器件場致發射理論的基礎上，根據圓錐形、楔形陰極真空微電子三極體的不同特點，分別建立了物理和數學模型，在考慮空間電荷密度影響的前提下，以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況，繪制出了等勢線、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。
  2. Abstract : based on the principle of mininmum potential and using rayleigh - ritz method, the geometric non - linear analysis of higher bridge piers was solved in this paper. the new concept of equivalent horizontal force proposed by the author may be casily to calculate the second effect, which was produced due to the vertical forces and resisted by the piers and rubber pad bearings incorporately. the simple formula in this paper are applicable to calculate by hand, understood clearly without computation of successive iteration, higher precision and graspable easily for the disigmer therefore it has the practical significance

    文摘:根據最小勢能原理，用瑞雷-里茲法解決了高橋墩的幾何非線性分析問題；其次，提出了等效水平力的新概念，可以方便地解決橋墩和板式橡膠支座聯合抵抗垂直力所產生的二次效應問題.筆者提出適合於手算的簡便計算公式，概念明確，勿須迭代運算，精度較高，易為設計人員掌握，因此具有實用價值
  3. S. consideration of interaction on the nonlinearity about the material, the geometry, and the boundary of the columns subject to axial force. biaxial hending, and torsion, an analytical model of hysteretic curve of columns is presented, based on the sectional cross - sectional discrete yieldsurface inodel, the bond slip in anchorage zones regarded as the boundary nonlinearity of a memher. and the iterative procedure of displacement of inner nodes on the basis of the hamonization of displacement

    5 、根據構件分段截面離散的屈服面模型法，把錨固區粘結滑移看成構件的邊界非線，以及基於位移協調的內結點位移迭代法，建立了能考慮構件壓（拉） 、雙彎、扭的材料、邊界、幾何非線性相互影響的柱空間滯回曲線分析模型。
  4. Iterative physical optics is extended to the analysis of electromagnetic scattering by dielectric coated targets. the theoretical model of the extended ipo is formulated by fresnel reflection coefficient. it is applied to analyze the scattering by geometrically simple, electrically large, dielectric coated cavities

    將迭代物理光學（ ipo ）法推廣到非完純導體邊界目標的電磁散射特性分析中，建立了具有阻抗邊界的ipo理論模型，並應用這種推廣的ipo方法分析幾何結構簡單的電大尺寸介質塗敷腔體的電磁散射特性。
  5. Abstract : three - dimension wheel - rail contact geometry is taken into account in studying the vibration between bridge and vehicle. the iteration method of wheel - rail creep force is proposed to improve the existed calculating method

    文摘:對車橋耦合振動研究中輪軌關系的線性方法進行了改進，提出考慮三維非線性輪軌接觸幾何，採用迭代法求解法向力和蠕滑系數。
  6. Iterative methods are developed to calculate the geometric relationship and interaction force between wheel and rail

    建立了輪軌接觸幾何和輪軌接觸力的迭代演算法。
  7. These geometric nonlinear behaviors such as the sag of inclined cables caused by their own dead weight, the interaction of large bending moment and axial forces in girders and towers, and the large displacement effects are considered during calculation. newton - raphson method and the displacement convergence norm are used to approach the solution iteratively

    計算過程中計及了拉索的垂度效應，彎矩和軸力對主梁和主塔的組合效應以及結構的大變形效應等幾何非線性影響因素，採用newton - raphson方法和位移收斂準則進行迭代求解。
  8. Based on the convergence criterion of root - mean - square ( rms ) of phase and output power, the actual intensity on reflectors are solved with fox - li iteration so that the deformations of mirrors and one - way phaseshifts are calculated. by simulating one - way phaseshifts with zernike polynomial, the laser modes are studied with method of iteration and geometriy. the evaluation factors of components influences on beam quality is discussed

    根據相位均方根值迭代收斂準則和輸出功率，用fox - li迭代法求出反射鏡上實際的光強分佈和熱源，得到鏡面的位移變形和單程附加相移，以zernike多項式擬合單程附加相移，分別用迭代法和幾何法計算了腔鏡變形時的腔模光場，建立了光學元件對光束質量影響的評價因子，研究腔鏡冷卻效果和冷卻方式，對輸出耦合鏡的變形進行了分析。
  9. The flow equations are solved using finite difference technique. using body - fitted curvilinear coordinate system treated the boundary conditions. by iteratively solving the flow governing equation and the blade equation, the design of axial flow pump impeller in the quasi - three - dimensional rotational flow can be performed according to the angular momentum distribution, the blade which was designed in the lifting method, flow channel and the blade thickness given

    其次在流動無粘性、不可壓及考慮葉片厚度的條件下，依據葉輪內的流動特性，推導了葉輪內三維流動周向平均流動控制方程以及葉片方程；在貼體坐標系中，採用有限差分法求解流動方程和葉片方程；在採用升力法設計出的葉片作為初始葉片、給定葉片速度矩分佈、葉片厚度分佈和葉輪軸面流道幾何形狀條件下，迭代求解流動控制方程及葉片方程，實現了軸流泵葉輪的準三維方法設計。
  10. Iterative processes in elementary geometry

    初等幾何里的迭代方法
  11. In this thesis, an incremental - iterative solution procedure using the modified newton - raphson iteration is used to solve geometrically nonlinear problems

    在涉及幾何非線性問題的數值方法中，通常都採用增量和迭代分析的方法。
  12. A fast and real - time algorithm to obtain some vectors of the projection matrix is proposed in this dissertation to solve the conflict of time cost by matrix obtainment and memory occupied by matrix, and speed the iterative algorithm

    作者根據扇形掃描幾何的對稱性和重疊性，提出了一種快速實時獲取投影矩陣分量的方法，較好地解決了獲取投影矩陣所需速度和存放其所佔內存空間的矛盾，提高了迭代重建演算法的速度。
  13. The gap element method is proposed in the paper for two kinds of problems, which include contact problem and gap joint problem. elasticity contact problem falls into the category of unknown boundary value problems. it follows that the contact area and contact conditions or states ( st

    文中給出了間隙元法在空間可動部件接觸問題中的應用，推導了其幾何邊界條件和力學邊界條件，利用虛功原理推導了含間隙元彈性接觸問題的有限元方程式，給出了其數值解法的迭代步驟，並指出了利用間隙單元進行分析的特點。
  14. The control equation consist of completely coupled deformation equation, seepage equation, conduction and convection equation of heat, which describe the reservoir non - liner performance. 2, present the detailed strategy and methods to solve this mathematics model, the basic strategy as follows : regard the deformation equation ? seepage equation conduction and convection equation of heat as separate system, and solve the equation by coupling and iterative method ; disperse the control equation in the geometry field by the finite element method ( galerkin ), and in the time field by the finite difference method : programme the computer program on this task ; when the solving, take the combinative measures of the thick and thin mesh ; successfully carry out the numerical simulation in vast 3d heat extraction system of hdr

    2 、提出了高溫巖體地熱開發的固、流、熱多場耦合數學模型的數值解法，其基本的求解策略是：將固體變形，流體滲流與溫度場方程看成獨立的子系統，耦合迭代求解；利用有限元離散（ galerkin ）方法將控制方程在幾何域上離散，並用差分法得到時間域上的離散方程，並在此基礎上，編制了相應的計算機源程序；有限元求解中，為減小邊界效應的影響，在計算中採取粗細網格結合的方法，順利地實現了高溫巖體地熱開發三維巨系統的數值模擬。
  15. Three circumstances on the geometric non - linear analysis are considered : the sag phenomenon of cables the nonlinear behavior of bending members and the geometry change due to large displacement. the non - linear behavior of cables is verified by introduced the ernst cable modulus of elasticity and cr formation is applied to analyze the non - linear of beams. an incremental - iterative method based on the newton - raphson method is adopted here to solve the non - behavior equations

    幾何非線性分析主要考慮三個方面：索的垂度效應、樑柱效應和結構大位移，其中：索的非線性分析採用ernst彈性模量對索材料的彈性模量進行修正，計及索的垂度效應的方法；梁單元的非線性分析採用cr列式法，計算中採用基於newton - raphson法的增量迭代方法求解非線性方程組。
  16. In order to adapt the maintenance activities well, this paper makes some ameliorations, as follows : ( 1 ) it is considered not so pertinent in this paper to take road user cost into account of total cost, and an advice of using pavement serviceability performance for benefit is given. ( 2 ) when evaluating the average of the road network serviceability, this paper put forward to using weighed geometric mean to calculate pqi. ( 3 ) bringing in a new idea of checking the reasonability of classifying pavement state and typical measure by transfer probability

    為盡可能使其反映實際的養護規律，本文在前人研究的基礎上，提出以下改進： （ 1 ）在建立費用模型時，認為在我國現階段，考慮用戶費用有不妥之處，提出以路面使用性能作為用戶費用的映象，以路面使用性能作為效益的評價指標； （ 2 ）在評價路網平均服務水平時，提出用加權幾何平均值來計算路面使用性能綜合評價指標pqi ； （ 3 ）提出了利用轉移概率檢查狀態的劃分和典型措施的合理性的新思想； （ 4 ）在求解markov決策模型時，通常使用的方法是線性規劃法，本文闡述了另外兩種求解的方法：策略迭代法和整數規劃法。
  17. It is applied in analyzing and calculating static distortion of skylift in virtue of updated lagrange formulation and iterative method with moving coordinates. the solutions are worked out by increment principle and newton - raphson method

    在分析和計算消防車伸縮臂的靜態變形時，引入了幾何非線性的思想，藉助更新的lagrange格式，將增量原理與牛頓-拉弗遜法相結合，並且使用帶有動坐標的迭代方法求解。
  18. On the basis of association of finite element computation with optimization design and analysis of sensitivity of cable force variation to structural response and objective function ' s sensitivity, an optimization method for rationally bridge - completing cable force of large - span cable - stayed bridge was presented, where the structural internal force, linear control condition, and nonlinearity influence of structural geometry were taken into account in the entire process of optimization

    摘要將有限元計算與優化設計分析相結合，在索力變化對結構響應和目標函數敏感性分析的基礎上，綜合考慮結構內力、線形控制條件，提出一種全過程計入結構幾何非線性影響的大跨斜拉橋合理成橋索力優化方法，採用一階分析法對成橋索力進行迭代優化。
  19. Steel frame with welding joint easily occur brittle collapse because of having a low ductility at joints then ， a semi - rigid connected steel frame has large the energy absorption capacity which can resist dynamic loads and the using steel qualities of bracing system and joints are small so adopting a semi - rigid jointed steel frame is economical and stable but for semi - rigid connections are complex and variable ， in conventional analysis and design of steel structures ， it is usually assumed that the connections between columns and beams are either rigid or pinned the analysis of steel frames adopting the assumption can simplify the procedure of analysis and design ， but cannot precisely reflect structural practical circumstance and the errors of calculating results are large ， even ， get incorrect conclusions semi - rigid connection was referred to in chinese code for design of steel structures ( 2001 ， 10 ) ， however ， it isn ’ t specified how to apply semi - rigid joints in design in fact it cannot be carry out the purpose of the paper give a calculating method that accords practical engineering and easily put into effect worthwhile it is going to promote the development of semi - rigid jointed steel frame in design and heighten structural stability in the paper ， at first some commonly employed methods for the modeling of connection behavior are introduced richard abbott function modeling of connection is adopted for extended end plate bolted connection by the 34 test data comparing to regression analysis indicate richard - abbott function modeling of connection represents an excellent fit to test data then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring ， base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects ofj ointed flexibility geometric non - linearity and shear forces in the connection deformations have been considered in and fixed - end forces are modified finally, a program for calculating semi - rigid with incremental - iterative method has been

    本文的目的就是為半剛性連接鋼框架的設計提供一種既符合工程實際又簡便易行的計算方法，供規范使用過程的補充、延伸或參考；同時，也將促進半剛性連接鋼框架設計技術的發展，為提高結構安全性能、節省工程成本發揮應有的作用。本文首先介紹了常見的幾種應用較為廣泛的樑柱連接彎矩轉角關系模型，在分析比較的基礎上，選用richard ? abbott函數模型作為外伸端板連接彎矩轉角關系模型，通過對34個外伸端板連接的實驗數據與回歸分析得到的參數比較可知，經回歸分析得到的此模型參數與實驗數據符合較好。然後用彈簧表徵連接點的轉動剛度，根據梁的轉角位移方程推導出半剛性連接的剛度矩陣，在單元剛度矩陣中考慮了節點柔性、幾何非線性和剪切變形的影響，並對固端力進行了修正，最後用增量迭代法編制有限元程序進行計算和分析。
  20. Based the geometric and mechanical coupling relation between vehicle and bridge, movement equation of wind - vehicle - bridge system is established. the equation can be solved by a separated iterative procedure which can considers various nonlinear factors

    在分析車?橋系統的幾何耦合關系和力學耦合關系的基礎上，建立了風?車?橋系統運動方程，通過分離平衡迭代方法進行求解，並考慮非線性因素的影響。
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