Hello,
I discovered a rather strange behavior in meep.
I'm running some scattering simulations for a grating with a
back-scatterer (PEC backing).
I specify the back scatterer manually (instead of only setting a
Metallic boundary condition) because it has a odd shape.
Because of what I assume are rounding errors, the scatterer defined at
the bottom of the domain wraps to the top of the domain. This is okay
because I have a PML at the top.
When this happens however, the load-minus-flux fails with the following
error:
meep: incorrect dataset size (48000 vs. 96000) in load_dft_hdf5
./test2-refl-flux_noscat_sim_0deg_75res_Hz.h5:ez_dft
This doesn't happen if I change the scatterer from metal to something
else.
I thought the problem might be whether meep is using complex fields, but
forcing complex fields in the no-scatter run doesn't solve the problem.
Here I have a minimal script that duplicates the problem:
http://pastebin.com/f168203b6
I'm using meep version 1.0.
Best,
Matt
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