Hi Viktor,
in the OPT-PROP with the METAL SDUM you need to place (1-r) where r is the reflectivity. Label in flair is misleading (should be 1-r instead).
As you have WHAT(3)=0 your reflectivity is actually 1, thus the 100% reflectance of the surfaces.
Best
Vittorio
> On 20 Nov 2016, at 22:11, Віктор Родін <viktor94_at_knu.ua> wrote:
>
> Dear FLUKA users and experts.
> When I tried to simulate the optical photons I noticed a problem with their propagating in my geometry. I was confused from the fact that If set reflectivity for all materials equal 0, optical photons anyway reflected from walls. Could you help me to decide this problem?INP file is attached.
> Cheers
> Viktor
> <OP3.inp>
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Received on Wed Nov 23 2016 - 01:29:52 CET