Maybe you need to call (reset-meep) between (func true) and (func false). Chris
On Wed, Aug 8, 2018 at 8:30 AM, 37 zigen <37zi...@gmail.com> wrote: > Dear meep users. > > I tried to run simulation multiple times. > However, it shows different result wheather I run the code below as it is > or I run the code with commenting out (func false) and then run once more > with commenting out (func true) and undoing the commenting out of (func > false) > > Does anyone know why? > > Thank you for reading. > > Sincerely. > > > *(define-param sx 30) ; size of cell in X direction > * > *(define-param sy 30) ; size of cell in Y direction > * > *(set! geometry-lattice (make lattice (size sx sy no-size)))* > * ;(define-param no-obstacle? true) ;* > *(define-param fcen 0.25) ; pulse center frequency > * > *(define-param df 0.2) ; pulse width (in frequency) > * > *(define-param nfreq 100) ; number of frequencies at which to compute > flux * > > > *(define func* > * (lambda(no-obstacle?) * > * (define trans 0)* > * (define refl 0)* > > > * (set! geometry* > * (if (not no-obstacle?)* > * (list* > * (make block* > * (center 0 0)* > * (size 0.1 28 infinity)* > * (material (make medium (epsilon 1)(D-conductivity 0.00765)))* > * )* > * )* > * (list* > * (make block* > * (center 0 0)* > * (size infinity infinity infinity)* > * (material (make dielectric (epsilon 1)))* > * )* > * )* > * )* > * )* > > * (set! sources (list* > * (make source* > * (src (make gaussian-src (frequency fcen) (fwidth df)))* > * (component Ez)* > * (center -14 0)* > * (size 0 28))))* > * (set! pml-layers (list (make pml (thickness 1.0))))* > * (set-param! resolution 20)* > > * (set! trans ; transmitted flux > * > * (add-flux fcen df nfreq* > * (make flux-region* > * (center 10 0 0) (size 0 28)* > * )* > * )* > * )* > > * (set! refl ; reflected flux > * > * (add-flux fcen df nfreq* > * (make flux-region * > * (center -10 0 0) (size 0 28)* > * )* > * )* > * )* > > > * ;(if (not no-obstacle?) (load-minus-flux "refl-flux" refl))* > > * ;(run-sources+ 500 (at-beginning output-epsilon)(to-appended "ez" > (at-every 1 output-efield-z)))* > * (run-sources+ * > * (stop-when-fields-decayed 50 Ez* > * (if no-obstacle? (vector3 0 0 0)* > * (vector3 0 0 0)* > * )* > * 1e-3))* > * (if no-obstacle? (save-flux "refl-flux" refl))* > * (display-fluxes trans refl)* > > * ) * > * )* > > *(func true)* > *(func false)* > > _______________________________________________ > meep-discuss mailing list > meep-discuss@ab-initio.mit.edu > http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss >
_______________________________________________ meep-discuss mailing list meep-discuss@ab-initio.mit.edu http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss
