In the way you have defined the PML layers, the meep will use the last
one, this is in Z direction. I f you would like to use PML ,for
example, in X and Z directions so write as :
(set! plm-layers (list
(make pml (direction X) (thickness pmlthick))
(make pml (direction Z) (thickness pmlthick))
)
)
Mehdi
>
> Message: 6
> Date: Tue, 4 Sep 2012 16:54:54 +0800
> From: huang bo <[email protected]>
> To: [email protected]
> Subject: [Meep-discuss] about setting the pml
> Message-ID:
> <caa1waaiexzx+0eku4_extc+fwvc0apsan__-wczxntcmckv...@mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> hi! everybody
> when using meep, I fount a problem
>
> when I seting the PML absorbing boundary, I found a problem, when setting
> whth the below lines
>
> (set! pml-layers (list (make pml (direction X) (thickness pmlthick))))
> (set! pml-layers (list (make pml (direction Y) (thickness pmlthick))))
> (set! pml-layers (list (make pml (direction Z) (thickness pmlthick))))
>
> the simulation result is different with the below lines
> (set! pml-layers (list (make pml (thickness pmlthick))))
>
> According the reference of MEEP, Default is putting PML layers on the
> boundaries in all directions.
>
> can anyone can explain this
>
> Thank !!
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