时域有限差分法；头模型；

Finite difference time domain method;

有限差分法和有限单元法在时间域里更为方便。

The time domain finite difference and the finite element method are more convenient.

时间域的麦克斯韦差分方程可以用一系列的差分方程来表达，这个过程叫做时间域有限差分法（FDTD）。

Maxwell's equations in time domain are expressed in difference equations by following Yee's finite difference time domain(FDTD) theory.

作者阐述并分析了有限差分方法和有限元方法。

Authors described and analyzed the finite difference method and finite element method.

有限差分法和有限体积法的区别与联系？

In finite difference (FD) methods, governing equations are discretized directly;

采用有限差分方法,对波动方程求数值解.

We use finite difference method to solve electromagnetic wave equation.

对于导热问题的求解常用两种方法：有限差分法和有限元法。

There are two methods for the key of heat exchange:finite element and finite difference.

对于导热问题的求解常用两种方法：有限差分法和有限元法。

There are two methods for the key of heat exchange: finite element and finite difference.

对一类非线性扩散模型建立了一种有限差分方法.

A finite difference method is proposed for a nonlinear diffusive model.

采用有限差分法获得模型的精确、稳定解.

Obtained accurate and sustained solution of the model by finite difference method.