grid scheme造句
例句與造句
- a two-grid scheme of nonlinear convection-dominated diffusion problem
非線性對流占優(yōu)擴散方程的兩重網(wǎng)絡(luò)算法 - a two-grid scheme of characteristic finite-element solution for 2d nonlinear convection-dominated diffusion problem
非線性對流擴散方程特征有限元的兩重網(wǎng)格算法 - in order to accelerate the convergence, residual smoothing and local time stepping were employed . in the same time, by improving prolongation operator, a new multi-grid scheme which can combine well with the algorithm of this thesis
為加速計算收斂速度，除了采用當?shù)貢r間步長和局部殘差光順技術(shù)外，通過改造插值算子，提出了一種能夠與本文算法很好地結(jié)合的多重網(wǎng)格法。 - the calculation of the37 # transonic compressor rotor shows that the simulation results of the author's multi-grid scheme fit fairly well with those of professor denton j . d .'s, however, the author's converging speed is faster
與nasarotor37的計算結(jié)果對比表明，本文多重網(wǎng)格算法的計算結(jié)果與dentonj.d.的計算結(jié)果十分接近，而在提高計算效率方面比dentonj.d的多重網(wǎng)格算法更加有效。 - in chapter 4, for 2d nonlinear convection-dominated diffusion equation, a two-grid scheme of characteristic finite-element solution is constructed . numerical examples are presented and computed with matlab software . the numerical results show that these algorithms are effective and feasible
最后用matlab對給出的數(shù)值例子進行編程計算，數(shù)值試驗結(jié)果表明該算法是有效可行的，并且能夠極大提高計算的效率。 - It's difficult to find grid scheme in a sentence. 用grid scheme造句挺難的
- in chapter 1, some fundamental conceptions and their physical meanings are given, as well as the background and introduction of convection-diffusion equations . in chapter 2, several numerical methods existent are introduced for solving convection-diffusion equations . in chapter 3, a two-grid scheme of characteristic finite-element solution or a two-grid scheme of characteristic mixed finite-element solution for one nonlinear convection dominated diffusion equation is constructed and convergence analysis and error estimates are also established
本文在第一章給出了有關(guān)對流擴散方程的一些基本概念和它們所表示的物理意義以及對流擴散方程背景和導(dǎo)出；第二章主要介紹了現(xiàn)有的求解對流擴散方程的幾種比較常用的數(shù)值方法；在第三章針對某類一維非線性對流擴散方程，構(gòu)造了特征有限元的兩重網(wǎng)格算法或特征混合有限元的兩重網(wǎng)格算法，給出收斂性分析以及誤差估計；第四章里，對二維非線性對流擴散方程，構(gòu)造了特征有限元的兩重網(wǎng)格算法，并給出了相應(yīng)的收斂性分析，數(shù)值例子。 - in chapter 1, some fundamental conceptions and their physical meanings are given, as well as the background and introduction of convection-diffusion equations . in chapter 2, several numerical methods existent are introduced for solving convection-diffusion equations . in chapter 3, a two-grid scheme of characteristic finite-element solution or a two-grid scheme of characteristic mixed finite-element solution for one nonlinear convection dominated diffusion equation is constructed and convergence analysis and error estimates are also established
本文在第一章給出了有關(guān)對流擴散方程的一些基本概念和它們所表示的物理意義以及對流擴散方程背景和導(dǎo)出；第二章主要介紹了現(xiàn)有的求解對流擴散方程的幾種比較常用的數(shù)值方法；在第三章針對某類一維非線性對流擴散方程，構(gòu)造了特征有限元的兩重網(wǎng)格算法或特征混合有限元的兩重網(wǎng)格算法，給出收斂性分析以及誤差估計；第四章里，對二維非線性對流擴散方程，構(gòu)造了特征有限元的兩重網(wǎng)格算法，并給出了相應(yīng)的收斂性分析，數(shù)值例子。 - the structured grid scheme has been widely used in the numerical simulation of wind flow around buildings due to advantages of simple formulation and save of computational time . however, the structured grid now commonly used in the numerical prediction is an unchanged grid that is determined and arranged before computation
在建筑風場的數(shù)值模擬中，結(jié)構(gòu)化網(wǎng)格由于具有列式簡單、計算量小等優(yōu)點而得到了廣泛的應(yīng)用；然而，目前國內(nèi)外普遍采用的結(jié)構(gòu)化網(wǎng)格均是基于計算前一次性布置的固定網(wǎng)格。 - for convenience of grid refinement implementation the nonstaggered grid system based on the structured orthogonal grid scheme is adopted . in order to eliminate the possible pressure wiggles when nonstaggered grid is used, except for the use of the momentum interpolation method ( small wiggles still appear when the method is adopted alone ), a new method is proposed and applied in the same time . in the new method a pressure-gradient difference term is added to the flow velocity in each control volume interface when dealing with the pressure-correction equation
本文基于結(jié)構(gòu)化正交網(wǎng)格，為便于實施網(wǎng)格加密，采用了變量同位存儲的同位網(wǎng)格體系；為平抑該網(wǎng)格體系下的壓力振蕩問題，除采用動量插值方法外(單純采用該方法不能完全平抑振蕩)，首次提出了在壓力校正方程的界面流速中添加壓力梯度差值項的方法，從而完全解決了建筑風場模擬中同位網(wǎng)格下可能出現(xiàn)的不合理壓力場的問題。 - the evolutional process of the wall impulses in different reynolds number, grid schemes, and various flows are studied, and the generative and development mechanisms of the turbulent spots in the wall reg ion of a shear flow are analyzed . the results show generation and development of the turbulent spots are closely relative to the reynolds number, initial disturbance and shear rate of the velocity, and are consistent with experiment results
研究在不同雷諾數(shù)、網(wǎng)格和不同流動中壁面擾動的演化過程，分析近壁剪切流動中湍斑的形成和發(fā)展機理，展示了近壁剪切流動中湍斑的產(chǎn)生和發(fā)展與雷諾數(shù)、初始擾動和速度剪切率等密切相關(guān)。