An efficient locally one-dimensional finite-difference time-domain method based on the conformal scheme

Wei Xiao-Kun†^a), Shao Wei^a), Shi Sheng-Bing^a), Zhang Yong^b), Wang Bing-Zhong^a)

(a) A small proportion, (b) almost a half proportion, and (c) a large proportion of a Yee grid area occupied by a PEC.