外国人开发的电磁时域有限差分方法工具包 Electromagnetic Finite-Difference Time-Domain (EmFDTD) is a basic two-dimensional FDTD code developed at the School of Electrical Engineering, Sharif University of Technology. This code has been written based on th

利用matlab软件和时域有限差分方法来算三维结构的程序，采用了周期边界条件-Using matlab software and finite difference time domain method to count three-dimensional structure of the program, using the periodic boundary condition

meep是MIT开发的时域有限差分软件，能精确计算电磁波在各种介质中的传播。-Meep (or MEEP) is a free finite-difference time-domain (FDTD) simulation software package developed at MIT to model electromagnetic systems, along with our MPB eigenmode package. Its features include: Mee

这是化学/石油工程师的有限体积（玩具）工具箱。 现在，它可以解决一个瞬变对流扩散方程的变速场/扩散系数。 离散化方案 包括： ?? * 中心差异扩散项 ?? * 中央差分对流项 ?? * 逆风对流期 ?? * TVD对流项与各种流量限制器 ?? * 瞬态项 ?? * Dirichlet，Neumann，Robin和周期性边界条件(This is a finite volume (toy) toolbox for chemical/petroleum engineers. Rig