[Gate-users] Dose actor calculations

[Nada Fakhoury]

Hello again,

this is to say that I have resolved my issue. It was simply a matter  
of the dose actors' measuring direction, in other words my Depth Dose  
graph was simply ploted in reverse. Oh well...

Nada


>
> Dear all,
>
> I am experiencing a weird behavior of the dose actor. I am simulating
> a gamma source pointing towards a water volume.
>
> I first tried acquiring a depth dose curve along the central axis, and
> got a distribution that didn't quite measure up to what I expected.
> (dose increasing with depth)
>
> See here:
> https://www.dropbox.com/s/hd6da9lhapn5cju/Screenshot%20from%202014-10-11%2017%3A40%3A14.png?dl=0
>
>
> When I then changed my actor's resolution to get a dose profile in
> various depths in the volume, the distribution in depth was the
> complete opposite of what the depth dose curve at first indicated.
> (dose decreasing with depth)
>
> See here: https://www.dropbox.com/s/e3610h1fhz5r8e6/profiles.png?dl=0
>
> The setup is the same in both cases, the *only* thing that changed was
> the actor's resolution and for the profiles the actor's position. (For
> the central axis depth dose distribution the actor was attached at the
> top of the volume.)
>
>
> Does anyone have an idea of what may be wrong?
>
> Thank you in advance,
>
> Nada,
>
>
> **Please ignore the dose values in the graphs, they were acquired with
> different primary events and energies, but the overall behavior
> remains the same in every case. The graphs are drafts.**
>
>
>
>
>
>
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