1) difference scheme
差分格式
1.
A class of high resolution difference schemes based on non-uniformly cell averaged-solution reconstruction;
一类基于非等距单元平均重构的高效差分格式
2.
Second-order difference scheme for a nonlinear model of wood drying process;
木材干燥过程中一个非线性模型的二阶收敛差分格式(英文)
3.
Analysis and comparison of multi-conservation difference schemes;
多守恒性的差分格式的分析和比较
2) difference schemes
差分格式
1.
A Class of MmB Difference Schemes for Hyperbolic Conservation laws in Two Dimensions;
求解二维双曲型守恒律的一类 MmB 差分格式
2.
Three difference schemes for nonlinear Sine-Gordon equations;
非线性Sine-Gordon方程的三种差分格式
3.
The stability analysis of difference schemes for the parabolic equations;
抛物型方程差分格式的稳定性分析
3) finite difference scheme
差分格式
1.
An essentially second order accuracy procedure for solving N-S equations is constructed based on an implicit, non-oscillating, no-free-parameter, and diffusive (NND) finite difference scheme, in conjunction with Steger-Warming flux vector splitting technique.
本文采用实质上为二阶精度的隐式无波动、无自由参数耗散(NND)差分格式结合Steger-Warming矢通量分裂方法求解N-S方程,对AOTV外型的高超音速绕流进行了模拟。
2.
The finite difference scheme is used to attain the discrete forms of the shallow-water wave equations.
针对浅水波方程(shallow-water wave)的差分格式,通过分析数据关系,应用数据划分的策略方法,将参加计算的数据分配到4个进程中并行进行计算,提高了在机群系统中求解大型数值的速度和效率。
3.
A third-order finite difference scheme is presented for the second derivative on non-uniform grid.
利用Taylor展式系数匹配的方法得到基于非等距网格的二阶导数三阶精度的差分格式,并且对其进行了实例考察,得出此差分格式满足其精度要求,差分格式是合理可靠的。
4) differencing scheme
差分格式
1.
Different differencing schemes (Upwind, Hybrid, and Hquick) were used to predict vehicle exhausted pollutant dispersion in an urban street canyon.
选用不同的差分格式(Upwind, Hybrid, Hquick)对城市街道峡谷内部汽车污染物排放浓度进行了预测,并于风洞实验结果对比。
2.
On the basis of analysis, the flow field is simulated with different turbulent models and differencing schemes on refined grid, and the result is compared with that of wind tunnel test.
分析了影响模拟计算精度的原因,在此基础上应用优化网格和不同的湍流模型及差分格式,比较了计算结果并与风洞试验结果相验证。
3.
In this paper,a high accuracy differencing scheme for solving the paramelerequation is given,using the method of undetermined ate coefficients.
本文给出了一个解抛物型方程的恒稳定的差分格式,计算量较小,截断误差达0(ΔtΔx~2+Δx~4+Δt~4)。
5) difference format
差分格式
1.
In the model hydro-dynamic and convection-diffusion equations were separately solved by the numerical Preissmann implicit difference format and upwind implicit scheme.
以长江中下游地区感潮河道引江调水为实验基础 ,建立了适合感潮河网的非稳态水量水质耦合模型 ,分别采用Preissmann隐式差分格式和新的迎风全隐格式求解水动力方程及流扩散方程 ,改进了河道节点污染物质量浓度的平衡连接和边界污染物质量浓度的处理方法 。
2.
A kind of difference format (named Z-C) has been set up according to the discussion of the numerical method on diffusion equation for suspended sediment, and an example showing the calculation process is given in this paper.
通过讨论剖面二维非恒定泥沙扩散方程的数值方法，建立了一种用于求解含沙量分布沿程变化的差分格式（Ｚ－Ｃ格式）并通过一个具体的数值例子说明了计算的方法步骤。
3.
By constructing difference format approach, the existing condition of robust decentralized stabilization controller for discrete time-delay systems can be checked by the solvability of a couple of linear matrix inequalities.
通过构造性的差分格式 ,将时滞相关鲁棒分散镇定控制器的存在条件转化为一列线性矩阵不等式的可行解问题 。
6) symplectic difference schemes
辛差分格式
1.
Symplectic geometrical theory and symplectic difference schemes for solving scattering field of objects;
辛几何理论和辛差分格式算法在目标散射场计算中的应用
补充资料：差分格式
差分格式
difference scheme
。尽of)中考虑.利用高速计算机解常微分方程和偏微分方程的典型差分格式的有效数值方法已经发展起来. 下面给出差分格式的一个简单例子.假设给定微分方程 。I，‘:卜a ox、u‘x卜汀‘x).) a(x))0 .0
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条