【摘要】 设计了时域有限差分法相关C ++类库 ,在其基础上编制了高斯光束的时域有限差分计算程序 ,所得数值计算结果与精确解进行了比较 ,二者吻合良好。该类库可用于进行确定性电磁场问题的时域有限差分仿真 ,类库结构清晰、代码重利用率高、易于维护和扩充更多还原

【Abstract】 C++ library of finite-difference time-domain (FDTD) is implemented, whose validity is proved by the comparison between the numerical result by FDTD and analytical solution for Gaussian beam. This C++ library provides a generic implementation of FDTD algorithm. Compared with traditional FDTD programs, it is more reusable, well-structured and easier to maintain.更多还原