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wangtao102

新虫 (小有名气)

[求助] 紧急求助

站内有没有FDTD高手?用meep建一个正六边形模型

算法可参照下面:

(reset-meep)

(set! geometry-lattice (make lattice (size 16 16 no-size)))

(set! geometry (list
                (make block (center -2 -3.5) (size 12 1 infinity)
                      (material (make dielectric (epsilon 12))))
                (make block (center 3.5 2) (size 1 12 infinity)
                      (material (make dielectric (epsilon 12))))))

(set! pml-layers (list (make pml (thickness 1.0))))
(set! resolution 10)

(set! sources (list
               (make source
                 (src (make continuous-src
                        (wavelength (* 2 (sqrt 12))) (width 20)))
                 (component Ez)
                 (center -7 -3.5) (size 0 1))))
(run-until 200
           (at-beginning output-epsilon)
           (to-appended "ez" (at-every 0.6 output-efield-z)))

现在学习这个软件,一头雾水,还请高手指点一下。十分着急,非常感谢你的帮助
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