数值计算

In fact the advantage of our coordinates transformation method is that the effective potential is more convenient to deal with than complex boundary conditions in numerical calculations.

实际上我们采用的坐标变换方法的优点就在于把非平面界面上的边界条件转化为了更利于用数值计算方法处理的平面界面系统中的有效势场。

Numerical method for calculating the exact all-time apparent resistivity for time domain transient electromagnetic method is proposed in this paper.

bstract 给出了一种时间域瞬变电磁法视电阻率的数值计算方法，利用该方法可以容易地求出中心方式的全程视电阻率。

A numerical method for calculating the exact all-time apparent resistivity for time domain transient electromagnetic method is proposed in this paper.

给出了一种时间域瞬变电磁法视电阻率的数值计算方法，利用该方法可以容易地求出中心方式的全程视电阻率。

A numerical method for calculating the exact alltime apparent resistivity for time domain transient electromagnetic method is proposed in this paper.

给出了一种时间域瞬变电磁法视电阻率的数值计算方法，利用该方法可以容易地求出中心方式的全程视电阻率。

Numerical results show that such a structure can produce multiple transmission channels, and each channel can be tuned independently.

数值计算结果表明，该结构的带隙中可产生多个透射通道，任意一个通道的频率可被独立调节而其他通道的频率均保持不变。

The numerical calculation shows that the space distibution of the electromagnetic field in each sub-micro-layer changes with the varing transmission depth in the relief grating, the space distribution in each sub-micro-layer is uniformer than that in isotropic grating and the optical parameters of the anisotropic relief grating and the incident beam have a large impact on the space distribution of the electromagnetic field in relief grating and so on.

数值计算表明，光波场光强的空间分布随透射深度的变化而变化，各向异性介质光栅体内光波场的空间分布相对各向同性介质要均匀，光栅材料的性质参数和光束的入射参数对光波场光强的空间分布有较大的影响等。

The paper combines investigative mode of theory analysis and numerical simulation analysis, based on elastic and plastic theory, explaining the relation of stress fields and stress- transmogrification. Then citing key stratum theory, the paper analyzing the moving rule of the stratum above the laneway along the gob, gaining some disciplinary cognition.

论文采用理论分析与数值计算模拟分析相结合的研究方式，根据弹塑性理论求解了巷道围岩的应力场及应力变形关系；进而引用关键层理论，对深井综放开采沿空巷道的上覆岩层运动规律进行分析，获得了一些规律性认识。

Via studying elastic torsion with trapezium sections, the results obtained by this method could approach the ones obtained by finite method.

通过研究梯形截面弹性体的扭转问题，表明结果与有限元数值计算结果很接近，该方法具有较高的精度，为边值问题的研究和求解提供了一种新的数学方法。

With the demonstration of 35kV line of Qinan substation, it built a numeral value calculation model of on-line data of each pole with EMTP program. Find out some factors of causing lines to outage frequently and the measures how to improve lightning withstand level of lines and decrease the lightning tripping outage of transmission line.

通过对线路基本电气参数的现场实测数据和波过程理论建立了与实际情况极为相符的雷击线路电磁暂态数值计算模型，在此模型基础上分析研究了影响线路耐雷水平的诸多因素，并重点研究了采用线路型避雷器来提高线路防雷性能的机理及影响因素。

Using truncated cone, circular and triangular models to simulate the contact surface, the thermal contact resistance is calculated based on unstructured Delaunay triangulation gird solution and finite element method.

分别采用截锥体、圆弧形和三角形模型来模拟实际物体的接触面，利用DELAUNAY三角形非结构化网格离散温度场，并使用有限元法数值计算接触热阻。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。