An Efficient 2-D Stochastic WLP-FDTD Algorithm in Isotropic Cold Plasma Media

作者：Fang, Yun; Xi, Xiao-Li^*; Liu, Jiang-Fan; Pu, Yu-Rong; Zhao, Yu-Chen; Luo, Rui

来源：IEEE Transactions on Antennas and Propagation, 2018, 66(11): 6209-6216.

DOI：10.1109/TAP.2018.2863107

• Isotropic cold plasma
• perfectly matched layer (PML)
• stochastic finite-difference time-domain (S-FDTD)
• weighted Laguerre polynomials (WLPs)

An efficient stochastic finite-difference time-domain (S-FDTD) with weighted Laguerre polynomials algorithm is presented for calculating the standard deviation of the electromagnetic fields caused by the variability or uncertainty of the isotropic cold plasma materials in a single run. Compared with the conventional S-FDTD method, the proposed algorithm uses an implicit marching-on-in-degree scheme, which improves the computational speed significantly. The perfectly matched layer with complex-frequency-shifted factor is implemented via formulation in the stretched-coordinate system. Numerical examples demonstrate the accuracy and effectiveness of the proposed algorithm.

• 出版日期2018-11
• 单位西安理工大学