numerical step by step method 中文意思是什麼

numerical step by step method 解釋
數值的逐步逼近法
  • numerical : adj 數字的；數值的；用數字表示的。 （a） numerical order 號數。 a numerical statement 統計。 the ...
  • step : vi （ pp ）1 走；跨步。2 踩，踏上 （on）。3 跳舞，輕快地走，合著步調走。4 跨入，踏進。5 走上。vt ...
  • by : adv 1 在側，在旁，在附近。2 （擱）在一邊，（放）到旁邊，（存）在一旁；收著。3 （由旁邊）經過，過...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The yarn architecture of three - dimensional ( 3 - d ) braided composites produced by the four - step 1 1 braiding technique and their effective elastic properties were studied in this dissertation with experimental investigation and a numerical method, respectively

    本文採用控制體積單元法與試驗觀察相結合的方法研究了三維編織復合材料的細觀結構，並採用數值計算方法分析了三維編織復合材料的彈性性能，具有一定的理論價值和實際工程意義。
  2. The temperature stress is analyzed by formula and numerical method respectively ; and the fit temperature step is obtained. the interactions of undamaged pavement and soft clay ground, damaged pavements and soft clay ground are studied under the conditions of temperature change

    其次，採用公式法和有限單元法計算一維瀝青混凝土桿低溫下變溫的溫度應力，通過分析給出了採用有限單元法計算溫度應力時的合適溫度步長。
  3. The numerical values of the one order differential equations are obtained by runge - kutta method with variable step

    軟體採用了變步長的經典龍格?庫塔方法求解一階微分方程組的數值解。
  4. In the numerical solution algorithm, the method of characteristics, analytic method and galerkin finite element method ( galerkin - fem ) can be chosen to solve the advective equation, diffusion equations, reaction ( source / sink ) equations, propagation equations and pressure poisson equation, respectively. the developed new algorithm has been verified using analytical solution of circular conduit flow in a reynolds number range of 100 < re < 1 000 and experimental data of the laminar flow over a backward - step facing step. the flow properties are well characterized by this three - dimensional numerical model

    本論文在評述三維粘性流動數學模型已有研究成果的基礎上，著重在數值計算方法的選擇和定解條件的給定對數學模型計算結果的影響進行了研究，並首次提出了求解三維純對流方程的高精度的擬協調單元法，建立了三維低雷諾數re流動的數學模型，並在圓管流動、臺階突擴矩形管道流動中得到驗證和應用。
  5. The main numerical method of this code is coming from scheme ( jameson, schimit and turkel ) : using cell - centered finite volume method as spatial discretization tools, and a system of ordinary differential equations for time variable is obtained, which is solved by utilizing five - step runge - kutta scheme as time marching method, introducing artificial dissipation to damp high frequency oscillations near the shock and stagnation point

    本論文採用歐拉方程作為控制方程，利用中心有限體積法進行空間離散，得到對時間變量的常微分方程組，採用龍格庫塔多步法進行時間積分，加入人工粘性以消除激波和駐點附近的壓力振蕩等方法來對naca0012翼型的實際流動進行并行數值模擬。
  6. Maslov ' s method can overcome the drawback that the solution in the caustic region cannot be obtained with geometrical optics. the key step of the method is numerical computation of hamiltonian equations, which can be solved by the symplectic algorithm

    Maslov理論克服了幾何光學法無法處理焦散現象的缺陷，但應用該理論關鍵的一步是對相空間里hamilton正則方程組的計算，辛演算法的引入使這一問題得以解決。
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