查询词典 implicit difference scheme

In this work, however, we follow an energy perfect conserving semi-implicit scheme of a European Centre for Medium-Range Weather Forecasts type sigma-coordinate primitive equation which has recently successfully formulated.

本研究在成功地构造实现其全能量完全守恒的半隐式方案基础上，进行了此守恒方案与欧洲中期天气预报中心的σ--坐标原始方程全球谱模式半隐式方案间的实际资料对比实验。

The design of a total energy conserving semi-implicit scheme for the multiple-level baroclinic primitive equation has remained an unsolved problem for a long time.

斜压原始方程半隐式全能量守恒格式的构造问题长期没有解决。

A quadrantal point infilling strategy is developed to generate point and combine clouds of points automatically. The implicit time-stepping scheme and AUSM+up method have been introduced and extended into gridless method.

本文提出了一种按区域进行填充布点的离散点云自动生成方法，把AUSM+-up格式和一种近似隐式时间推进格式引入到无网格算法之中，发展出了一种迎风型隐式无网格算法。

Numerical simulation to three-dimensional turbulent flow in multistage axial compressor blade row is carried out, where high resolution third-order ENN scheme is adopted to catch the shockwave and simulate the turbulent flow correctly, and LU-SGS implicit method is chosen to improve computation rate. A nicety and high efficiency numerical simulating system is thus constructed.

对多级轴流压气机叶栅内三维紊流流场进行数值模拟，采用高精度高分辨率的三阶ENN格式以保证对激波的捕捉和对紊流特征的正确模拟，利用LU-SGS隐式解法提高了计算速度，从而构成了一种既准确又高效的多级跨声速轴流压气机紊流流动数值求解系统。

Using quasi-implicit calculation method, a new dual-parameters mixed-phase microphysical scheme with 5 species of water substance is developed.

本文利用准隐式格式，建立一套比较完善全面的混合相双参数微物理雪晶方案，改进了MM5原显式方案中存在缺陷的几个微物理过程。

The optimized QUICK scheme (Hayaes, 1992) is used to calculate the variables on the cell faces. The multi-step full-implicit time marching PISO algorithm is adopted to deal with the coupling of velocity and pressure.

空间界面插值采用Hayasa的优化QUICK格式，每一时层的速度场与压力场采用多步PISO算法耦合，从而保证了较高的时间、空间精度。

A new solution scheme is then devised to take the advantage of this prominent feature in carrying out the "fathoming" procedure and the "backtrack" procedure in a searching process of an implicit enumeration.

利用这一显著特性，新算法在搜寻最优解过程中，能改进探寻和折返策略以提高隐枚举法的计算效率。

Meanwhile,the limiters for various types of non-orthogonal elements are proposed,and an implicit scheme for DG finite element method is developed also.

鉴于有限元方法内存需求大和计算效率低的不足，在分析有限元和有限体积方法的各自优缺点的基础上，综合二者的优势，提出了有限元/有限体积区域混合计算方法。

Unsteady Euler equation was solved by implicit high order Godunov scheme, which had the characteristic of shock capturing and good numerical stability.

计算的总性能参数与设计值对比显示：单部件的仿真精度高于整机，涡轮仿真精度高于压气机。

This scheme divides center difference to forward and backward one-side difference operators which are combined in 4-6 steps Runge-Kutta time integration.

此格式将中心差分算子分成前向和后向两个空间单边差分，然后在4-6步Runge-Kutta时间积分中使用单边差分组合。

I can do simple painting, carpentry and plumbing.

我能做简单的油漆、木工和修水管等工作。

The motivations, notations and outline of this work are also given in this chapter.

从这个意义上讲，这些时滞是无害的。然后用实例说明这三个定理的应用和互不包含性。