数值计算

Raised panels above the free surface produce less numerical dispersion error, need less CPU consumption and are helpful, combined with collocation point shifting upstream, for satisfying the radiation condition numerically.

该方法对自由面源强分布采用上置，一方面可减少数值计算色散误差及节省CPU时间，另一方面它与配置点前移相互配合能更好地保证辐射条件的满足。

The numerical computational method and results can play a significant part in the design of combustion chamber in diesel engines.

所采用的数值计算方法和分析结果对柴油机燃烧室的设计工作具有参考意义。

A curve coordinate system was used to simulate cold flow in a typical geometry combustor.

采用曲线坐标，对一个典型的燃气轮机燃烧室的冷态流动进行了数值计算，得到的结果定性合理。

The numerical simulation is based on the fundamental hydrodynamic conservation equations including viscous effects for compressible fluid, coupled with the equation of state for water.

数值计算是基于包括粘性影响的可压缩流体基本守恒方程，并耦合了水的状态方程。

Based on the integrated compressible fluid mechanics equations,using eigen value analysis,the new method of non-reflecting boundary condition was proposed for aeroacoustics simulation of disturbance in shear flows.

基于完整的可压缩流体力学方程，利用特征分析的方法给出了气动声学中数值计算扰动的边界处理方法。

The computative methods and relative parameters are studied.

进而研究了数值计算方法和有关要素的确定方法。

In this paper, a numerical method was used to compute thewater exchange.

本文在前人工作的基础上提出了基于数值计算水交换的方法并应用于渤海湾。

By talking above problems, the paper brings forward a new concept that is called the background information of grid creation, and thinks over three points of the improvement of front advance, and puts forward and talks the essential of judging whether the polygon is concave or protruding and six practical methods.

在探讨过程中，本文提出了背景信息这一概念，考虑了改进阵面推进法的三个要点，提出并详细讨论了判断多边形凹凸方法的实质和六种实用方法，此外还着重对网格粗细会对数值计算产生什么影响及如何产生影响作了较严格的分析。

These parameters conditionality and physical significance are proved by numerical calculation.

最终通过数值计算说明了这些参量之间存在制约关系和物理意义。

However, via intensive numerical computation, the author finds that actually some characteristic of this confidence intervals, for example, confidence coefficient, expectation width and coverage efficiency fluctuate intensely when the sample size varies given the parameter, or when the parameter varies given the sample size.

但是我们通过精细的数值计算发现，由于总体分布的离散性，这些置信区间的特性(置信系数、期望长度、覆盖效率)实际表现为当参数固定随着观测次数变化或当观测次数固定随着参数变化而发生强烈震动。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新