数值计算

Then the pressure correction method is used to carry out numerical calculation. According to aforesaid, the paper has used the method in example. Through analysis of the prototype pump, it puts forward two remodification approaches and solves them.

本文结合实例，通过对原型泵CFD计算结果的分析，提出了两个优化改型方案，并对优化改型方案进行了数值计算。

By adopting surface molding to obtain solving region and then carrying out numerical calculation and analysis of flow field in centrifugal pump, accurate remodification information is obtained and optimized impellers which have excellent fluid dynamics capacity is schemed out.

采用曲面造型得到计算区域，通过对离心泵叶轮内部流场的数值计算与分析，为离心泵优化设计提供准确的修改意见，设计出水力性能优异的叶轮。

An on-line numerical method is given and flight test approach for robust stability margin determination of MIMO aircraft control system is presented.

给出一种在线数值计算方法，使计算量大大减少。同时给出了MIMO飞行控制系统鲁棒稳定裕度的飞行试验方案。

By a theoretical model, influences from electron temperature, ion temperature, plasma flow and secondary electron emission are mainly analyzed.

主要讨论了电子温度、离子温度、等离子体流动以及二次电子发射对尘埃带电的影响；数值计算研究了尘埃带电的弛豫时间；在考虑了离子拖拽力作用下，估算了尘埃粒子在聚变装置中的运动速度；针对碳材料的尘埃理论计算得到了粒子的寿命。

On the basis of the optical image principle, the computational flow imaging can generate numerical pictures similar to experimental images such as shadowgraph, schlieren-graph and interfere-graph.

基于光学成像原理，计算流动显示技术可以将数值计算的结果转换成类似于实验照片的图像。

The output property of this pulse shaper is numerically analyzed in theory, and the results are same as experimental ones.

在理论上数值计算了该全光脉冲整形器的输出特性，理论计算结果和实验结果相一致，并为"快点火"实验提供了一条可行的技术途径。

This paper gave the detailed reviews on previous research results on contaminant transportion and transformation, and pointed the unsolved problems and direction of the research. Analytical solation, numerical modeling and physical tests were used to investigate contaminant transportion and transformation in soil and groundwater in present study.

本文在评述污染物迁移转化研究进展的基础上，分析了现有成果的存在问题和研究的发展趋势，采用了数学模型解析计算、数值计算和物理模型试验相结合的方法，对污染物在土壤及地下水中迁移转化规律进行了深入研究。

There are various fast algorithms of calculating diffraction integral in space range and frequency range.

对衍射积分的计算，可以采用空域数值计算及频域的多种快速算法。

On the problem of model parameter determination, the singularity distribution method is used to derive the expressions for numerically calculating the added mass arised from vibration of the structure under three-dimensional case; The aero-dynamic damping ratio is identified from the testing data based on the methods of empirical mode decomposition, improved random decrement and Hilbert transformation; The reduced-order spectral representation method is also deduced in this chapter based on the technique of proper orthogonal decomposition.

在模型的参数计算上，采用奇点配置法推导了三维情形下结构振动诱导流场附加质量的数值计算方法；联合采用经验模态分解、改进的随机减量法及Hilbert变换对索穹顶结构的气动阻尼进行了识别分析；推导了基于本征正交分解的降阶谱解法。

A variational method with differential forms gives better precision for numerical solution of transport critical problem based on spherical geometry, and its computation seems simple than other approximate methods.

对于球几何问题，讨论了一种基于微分方程的变分形式求解方法，数值计算显示达到了较满意的精度，而且计算过程比起其他近似方法要简单

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