数值计算

Thess equations correlate oil removal efficiency with the operating conditions of the depurator.

用本文模型及数值计算出的油滴脱除率与实测值吻合较好。

The numerical method of the Green's function and its derivatives in time domain is discussed and developed.

研究和发展了时域Green函数及梯度的数值计算方法。

Providing the compute aid design software of IC MEMS and numerical simulation etc..

提供集成电路、MEMS和数值计算等软件。

Based on a series of simulation tests and theoretical and numerical analyses, this thesis approaches deeply into the law of dewater consolidated settlement and correlated parameters of the bottom aquifer in overburden.

摘要本文通过模拟试验、理论分析和数值计算，对深厚表土底部含水层的疏排水固结沉降规律及相关参数进行了深入的研究。

In this paper,the diagonal Cartesian method simulating the complex boundary, together with thetreatment to wetting-drying dynamic variation of the boundary, is applied into thetwo-dimensional shallow-water flows and sediment transport mathematical modeling,and their governing equations are discretized and solved in diagonal Cartesiancoordinates.

本论文采用斜对角笛卡尔坐标方法对不规则的复杂边界进行模拟，重点处理好干湿动边界的变化，并在斜对角笛卡尔坐标系中进行二维浅水运动的水流泥沙基本控制方程的离散和数值计算求解。

In calculation, the diamond shaped difference schema has been used to get the precision and stability.

数值计算中采用了五点菱形差分格式，达到了较好的精度和稳定性。

Key words: atomic and molecular physics; molecular alignment; femtosecond laser; diatomic molecule; numerical calculation

关键 词：原子分子物理；分子准直；飞秒激光；双原子分子；数值计算

The finite difference method is one important numerical method for fluid dynamics.

其中有限差分方法是一种重要的数值计算方法。

The difference between the differential and the finite-difference operator is however a primitive error source in the numerics.

然而，解析性微分算子和离散性差分算子的差异却是造成数值计算的原始误差源。

According to the vector modal theory for any shape profile metallic grating,the diffraction fields are studied numerically.

本文根据任意槽形金属光栅的矢量模式理论，对正弦槽光栅和半椭圆槽光栅的情况进行了推导和数值计算。

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