finite iteration 中文意思是什麼

finite iteration 解釋
有限迭代
  • finite : adj. 有限的;【語法】限定的;【數學】有窮的,有盡的。n. 〈the finite〉 有限(性); 〈集合詞〉有限物。adv. -ly ,-ness n.
  • iteration : 迭代疊代疊接
  1. Moreover, based on routine research method on abutment stability, non - linear finite element shear strengthes reducing by step iteration method is put forward in this paper, which is also applied in the analysis of abutment stability of tengzigou arch dam successfully

    在此基礎上,介紹了非線性有限元強度折減迭代解法,探討了復雜地基上拱壩整體穩定安全度的評價方法,並應用於藤子溝拱壩穩定安全度評價。
  2. A discretization equation is derived by using a finite volume method in three - dimensional cylindrical polar coordinate system. algebraic equations are solved by iteration with a line - by - line method that is a combination of tdma in axial and radial directions, ctdma in tangential direction and adi method in three directions. the pressure and velocity coupling are solved with the simple algorithm

    在三維圓柱坐標下,利用有限體積法推導離散方程;在軸向與徑向用三對角矩陣法( tdma ) ,在周向採用循環三對角矩陣法( ctdma ) ,採用交替方向亞鬆弛疊代法( adi )求解方程;推導同位網格下的壓力修正方程,用simple演算法處理速度與壓力的耦合;為加速收斂,採用適當的鬆弛因子。
  3. On the basis of the primary concepts of thermal conduction and thermal physical property of concrete material, the distributions of temperature in concrete structures are discussed in this thesis, the causes resulting in temperature - effected deformation and internal forces in the elements of the structures are analyzed. moreover, the practical approaches, such as continuous method, iteration method, finite element method, are suggested to calculate the deformations and internal forces above

    本文從混凝土的熱物理特性和熱傳導的基本概念出發,討論了混凝土結構中的溫度分佈規律,分析了高層建築結構中溫度變形和溫度內力產生的原因,並介紹了高層建築結構中溫度變形和溫度內力計算的實用方法,包括連續化法,迭代法及有限單元法。
  4. One self - anchored suspension bridge is the subject investigated, the finite element program " midas " is adopted to establish the spatial computation model of the suspension bridge, and the subspace iteration method is used to calculate the natural vibration frequencies and modes of the bridge, the bridge ' s dynamic property and rigidity feature are discussed with the computed results

    摘要以某自錨式懸索橋主橋為研究對象,採用midas有限元程序,建立了該橋的空間力學計算模型,利用子空間迭代法計算了該橋梁結構的自振頻率和振型,結合計算結果對橋梁的動力特性和剛度特點進行了討論。
  5. ( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure, the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied. the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method

    由聲空間波動方程和薄板理論出發,對聲場?結構耦合系統的模態分析提出了有限元數值方法,採用共扼子空間迭代法對非對稱特徵方程進行處理,採用靜凝聚法消除質量矩陣的奇異性。
  6. At the same time, the mathematical models of the electric field and the flow field distribution were established from the theory of electrostatic enhancement of heat transfer. employed finite differential method and over - relaxation iteration method, according to certain boundary conditions in the wire - plate electrode space, the electric field and the flow field in the wire - plate space were numerically simulated under different initial velocities of r11 stream and different magnitudes of applied voltage. the calculation results agreed with theoretical analysis satisfactorily

    同時從靜電強化換熱理論出發,建立了表徵線板電極間的電場和流場分佈的數學模型,並根據線-板電極間的邊界條件,利用有限差分法和超鬆弛迭代法,分別就不同氣流初速度和不同外施電壓的情況下,對線-板空間的電場和流場進行了數值模擬,計算結果與理論分析基本一致。
  7. Non - oscillatory and non - free - parameters dissipative ( nnd ) finite difference scheme ( a total variation diminishing scheme ) with second order accuracy was adopted to solve the fluid dynamic equations, a finite rate chemical reaction model was developed to calculate ingredient producing rate, and an adi over relaxation iteration technique was used to solve the electromagnetic discretized equations

    採用二階精度nnd格式求解流體力學方程組,採用有限速率化學反應模型計算組分生成率,採用交替方向隱式( adi )超鬆弛迭代法求解電磁場離散方程。
  8. The increment - iteration solution strategy is adopted in the nonlinear finite element analysis. arc - length method and the incremental plastic reversibility procedure are used to find the complete load - deflection curve and deal with elastic unloading occurring in elasto - plastic analysis

    有限元分析中採用增量?迭代方法,結合弧長法和塑性增量可逆的假定,可以計算出完整的荷載位移曲線,並考慮彈塑性問題中可能出現的彈性卸載問題。
  9. System of implicit iteration for fixed points of a finite family of strictly pseudocontractive mappings

    嚴格偽壓縮映像族不動點的隱格式組迭代逼近
  10. Composite implicit iteration processes for common fixed points of a finite family of nonexpansive mappings

    非擴張映像公共不動點復合隱格式迭代演算法
  11. Implicit iteration process with errors for common fixed points of a finite family of strictly pseudocontractive maps

    具誤差隱格式迭代逼近嚴格偽壓縮映像族公共不動點
  12. In the analysis, a cfst arch ( single tube ) is first divided into a finite number of straight beam elements. according to the virtual work principle and the modified newton - raphson iteration method the tangent stiffness matrix considering double nonlinear properties is established. with regard to the non - equilibrium forces, the material nonlinear property along the height of the section and the length of the element is considered and the computation accuracy is improved as a result

    本文首先將拱肋劃分為一系列的直梁單元,運用虛功原理和修正newton - raphan數值迭代演算法的基本原理準確推導了拱肋直梁單元的非線性切線剛度矩陣;在不平衡力方面考慮了沿截面高度和單元長度方向材料非線性的發展過程,提高了計算精度;再根據得到的切線剛度矩陣採用荷載增量步內修正newton - raphan迭代的增量迭代法進行了求解。
  13. First of all, the algorithm base on the boundary problem of helmholtz equation and finite - difference technique, calculate the field in “ cold ” cavity and disperse the helmholtz equation, as a result of the formula : ax = x. secondly, according to the eigenvalue of matrix theory and applied iterative methods, eigenmode adopt a numerical approach which allows the improved chebyshev polynomial iteration which based on the power method to extract the isolated eigenmode in the spectrum. finally, we resolve the problem of compatibility in software and insert the eigenmode module into the chipic which will have the function of eigenmode analysis

    具體的說: ( 1 )首先以電磁理論中的亥姆霍茲方程的邊值問題理論和計算電磁學中的有限差分法為基礎,計算冷腔中的場分佈並離散亥姆霍茲方程,得到標準的本徵值問題: ax = x ; ( 2 )然後根據矩陣理論中的eigenvalue問題和數值計算中的迭代方法,採用改進后的chebyshev多項式,在power迭代法的基礎上對ax = x進行多項式迭代,實現對頻譜中孤立本徵模的萃取; ( 3 )最後將用fortran語言編制的eigenmode模塊加入到chipic軟體中,解決了eigenmode模塊與chipic主代碼的兼容問題,從而實現了chipic軟體的模式分析功能。
  14. Firstly, based on the classical theorem of limit analysis, the von mises yielding condition and finite element method technique, two common mathematical programs for the determination of the lower and upper bounds are built and solved by an iteration algorithm directly

    首先,基於塑性極限載荷分析中的上下限定理和有限元離散技術,推導和給出了一般結構極限載荷上下限計算的數學規劃的普遍格式和相應的積分數值計算公式。
  15. On the basis of these conclusions, the stability of natural 2 # landslide body of hongjiadu hydraulic power plant is analyzed with this finite element iteration method and the uniform value off on the sliding surface of the landslide body is inversed. meanwhile, the stability of scaled 2 # landslide body of hongjiadu hydraulic power plant is analyzed and downslide force of scaled 2 # landslide body and normal stress and shear stress on the sliding surface are obtained. in addition, the results provide a reference for reinforcing structure ' s layout

    在此基礎上,文中用該方法對天然狀態的洪家渡水電站2 #塌滑體進行了穩定分析,反演了塌滑體滑動面上均化的f值,對部分削坡后的洪家渡水電站2 #塌滑體進行了穩定分析,獲得了部分削坡后塌滑體的下滑力和滑動面上的正、剪應力分佈,為加固結構布置提供了依據。
  16. According to generating finite element model by meshing for special - shaped section columns, a computer program using the digital iteration method for full range analysis of special - shaped columns is complied. by the analytical results, " m - " " related curves are obtained, at the same time, differences of ductile behavior, and bearing capacity are analyzed

    通過異形柱截面的有限元單元網格劃分,用數值方法編制了計算機分析程序,通過計算,可以得到以上各種截面柱的彎矩?曲率關系曲線,分析它們在延性和承載力等性能方面的差異。
  17. In this paper, based on some previous scholars " excellent study fruits, the finite element iteration method for stability safety factor of landslide body against sliding is presented, when using this method, the thin layer element is used to simulate interlayer and structural joint for sliding surfaces

    本文在總結前人的優秀研究成果的基礎之上,採用合理模擬以夾層、結構面等為滑動面的薄層單元及相應的非線性分析方法,提出了塌滑體抗滑穩定安全系數的有限元迭代解法。
  18. According to generating finite element model by meshing for special - shaped section columns and the conversion of coordinate, a computer program considered sliding of reinforcement anchoring using the digital iteration method for full range analysis of special - shaped columns is complied

    通過異形柱截面的有限元單元網格劃分及坐標變換,在本文確定的數值分析方法上採用fortran90語言編制了考慮粘結滑移影響的鋼筋混凝土異形柱截面n - m -關系全曲線的計算機程序。
  19. Abstract : based on the integral creep constitutive relations of viscoelastic material with damages, a new increment finite element method to solve stress, strain and damage variables is developed by using equivalent stresses, three - dimension damage field can be analyzed and coupling stress and damage field can be solved by using iteration method

    文摘:基於損傷的粘彈性材料積分蠕變型本構關系,建立了求解應力應變和損傷變量的一種新型增量型有限元法,引用當量應力,可以分析三維損傷場,採用迭代法求解相互耦合的應力和損傷場。
  20. Firstly, as a forward problem is solved for each iteration of ga reconstruction, calculating the electric field for a given distribution permitivity and driving source - this aspect will be treated with more detail. the thesis uses finite element method ( fem ) to solve it, because fem can conveniently handle inhomogeneous dielectric, converge well, and spare computing time by compacting the matrix

    本文首先建立了介電成像的數學模型,採用有限元方法求解正問題,有限元方法的優點在於能方便地處理非均勻介質、具有良好的收斂性、可以壓縮系數矩陣而節省計算時間,這有利於應用遺傳演算法進行優化。
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