片语

implicit finite-difference scheme隐式有限差分格式

Perturbation Finite Difference Scheme摄动有限差分方法

exponential finite-difference scheme指数型有限差分格式

compact finite-difference scheme加权差分格式

finite e difference scheme有限差分格式

finite difference scheme 1有限差分方法

implicit central finite-difference scheme隐式中心差分

finite volume difference scheme有限体积差分格式

semidiscrete finite difference scheme半离散有限差分格式

英汉例句

• for improving convergence accuracy of the solutions, a variable relaxation factor is used and a higher order finite difference scheme is developed.

  为提高收敛精度，采用了变松弛因子，并且自行推导了较高阶的有限差分公式。

• in the article, the fully discrete finite difference scheme for a special nonlinear reaction-diffusion equation is established.

  对一类特殊的非线性反应扩散方程进行完全离散，得到非线性的有限差分格式。

• operator-splitting techniques were used for the reactive transport model with an implicit upwind finite difference scheme to solve the convection-dispersion equations.

  应用算子分裂技术并设计了一种特殊的迎风差分格式，使得模型求解速度加快。

• a type of low-dissipation and low-dispersion high-order finite difference scheme is studied for computation of wave motion.

  研究了一类低耗散、低色散的高阶精度显式有限差分方法，目的是直接计算非定常的线性波动问题。

• then the new step function space is introduced and stability problem for the finite difference scheme is discussed by means of variational approximation method.

  然后引入新的步长函数空间，并在这个空间上，采用变分近似法讨论该格式的稳定性问题。

• we made the following research in image denoising based on pdes. on the solution of nonlinear partial differential equations, the check-board finite difference scheme is introduced.

  本文在基于偏微分方程的图像去噪方面进行了以下的研究：就非线性扩散偏微分方程的解法，引入了跳点有限差分格式。

• the following is its basic process: first of all we use a finite difference scheme to analyse optimal exercise boundary.

  基本步骤如下：首先运用有限差分法对美式一篮子期权的最优可执行边界进行分析。

• the method is at least one order of magnitude more efficient than conventional finite difference scheme and 3 to 5 times more efficient than pseudospectral method.

  这种差分方法比传统有限差分格式快一个多数量级，比伪谱法快3—5倍。

• at the same time, based on the result, it is concluded that the upwind finite difference scheme for solving the one dimensional heat transfer equation for sg is stable.

  同时，根据这个结果分析得到了求解蒸汽发生器一维传热方程的逆风有限差分格式是稳定的。

• high-order finite difference discretization of 2-d varied-velocity acoustic wave equation brings finite difference scheme used for the forward modeling of seismic wave field extrapolated in time.

  对二维变速声波波动方程进行高阶有限差分离散化，可得到在时间上外推的地震波场正演模拟的有限差分格式。

• the finite difference scheme — adi method is used to solve the seepage field model.

  采用交替显隐式有限差分格式对渗流场模型进行了求解。

• highly precise solutions both in time and in space can be reached by solving wave equation with high order finite difference scheme of staggered grid under the condition of stability.

  用交错网格的高阶有限差分方法解波动方程，在满足稳定性要求时，可获得时间和空间都是高阶精度的结果。

• a high order finite difference scheme is constructed based on non-uniform meshes for aero-(acoustics) applications.

  研究了非等距网格下高阶精度有限差分方法用于气动声学问题的可行性。

• a kind of fractional steps finite difference scheme is introduced to solve two dimensional equations of heat conduction with three temperature.

  对二维三温热传导方程组提出一类分数步有限差分格式。

• finally, the long-time stability and convergence of this finite difference scheme are also analysed in the nonautonomous system case.

  最后，在系统非自治的情形下，得到了此有限差分格式的长时间稳定性和收敛性。

• finally, the boundary treatment of the compact finite difference scheme is discussed and compared with the numerical result with periodic boundary conditions.

  最后讨论了有限差分紧致格式的边界处理问题，并与用周期边界条件计算的结果进行了比较。

• in this paper, the discrete solution are generated by an upwind finite difference scheme and the grid is formed by equidistributing a monitor function based on arc-length.

  用等分弧长函数来控制网格剖分，用迎风有限差分格式来求解一类奇异摄动两点边值问题的自适应算法。

• in general, the finite difference scheme and simple procedure are used in numerical solution of turbulent model.

  通常求紊流模型的数值解采用的是有限差分格式和simple方法。

• in the paper, a three-dimension finite difference scheme is presented to examine the stresses fields in the vicinity of a free rectangular corner of al aminate subjected to a thermal loading.

  对层合复合材料自由角附近的层间高应力问题，提出了一种三维有限差分法方案计算层合复合材料在变温下的自由角附近的应力场。

• a fractional-step implicit finite difference scheme is introduced for two-dimensional equations of heat conduction with three temperatures.

  本文给出一个解二维三温热传导方程组的分数步隐式有限差分格式。

• finally, the finite difference scheme was interpreted by a discrete random walk model under a certain condition.

  最后，对上述的两层有限差分格式在一定条件下进行了离散随机游走的解释。

• a numerical example shows that the present method requires much fewer iterative steps to reach convergence than some finite difference scheme combined with newton's method does.

  算例表明，本文算法大大快于用牛顿法求解一些差分格式方程的收敛速度。

• the groundwater flow is emulated with the seepage model of heterogeneity anti-isotope, and the partial differential equations are solved with finite difference scheme of irregular triangle net.

  本文基于研究区地下水系统概念模型，以非均质各向异性渗流模型仿真裂隙-巖溶水流，用有限元法求数值解。

• in this paper the shallow-water equations with the 4th-order finite difference scheme are tested, and the numerical predictions of 24hr, 48hr and 72hr are made.

  本文设计了一个四阶差分的浅水方程系模式，并且用实际的气象观测资料，求出了24、48、72小时的数值积分解。