Date: Fri, 16 Jul 2021 13:54:39 -0300
Dear Alfredo
Yes, you are right about the longitudinal depth-dose profile. I would like
to get a cm x dose graph, I actually need the dose to be in Gy/particles.
This is another point, I am confused about the conversion from GeV/g to Gy
for plotting on the graph. In order to better express myself, I am sending
an example of the plot I intend to obtain.
Regarding the range, I am using different energy values for the same
simulation, and I intend to evaluate the range according to the variations,
I am also sending an example plot, I would like to know if it is possible
to build it directly by Fluka/Flair.
Thank you in advance for your answer.
[image: Depth-dose.jpeg]Longitudinal depth-dose profile
[image: WhatsApp Image 2021-07-16 at 13.52.19.jpeg]Dependence of beam range
on energy
Em sex., 16 de jul. de 2021 às 12:08, <alfredo.ferrari_at_mi.infn.it> escreveu:
> Dear Aline
>
> I am not completely sure I understand your question. If you want the
> longitudinal depth-dose profile, assuming you want the one radially
> integrated, a cylindrical usrbin with 1 bin in radius (from 0 up to the
> radius you wish) and many bins in Z. The results will be indeed in GeV/g,
> I do not understand why you want them in energy x depth, maybe I did not
> fully get your question. About the range, do you mean the depth at which
> the dose has fallen to 90% of the peak dose? In this case the same usrbin
> will give you the possibility to find that depth. Usrcoll is not suitable
> for that purpose.
>
> Write again (always to the list) if I misunderstood your question
>
> Alfredo
>
> > Dear Fluka Experts,
> > I am conducting a study of monoenergetic proton beam incident on
> > cylindrical geometry for various compositions. I need to evaluate the
> > longitudinal dose distribution (depth x dose) and the range (90% of
> > maximum
> > dose) dependence with energy (energy x depth). However, I am confused
> > about
> > the output files. For the depth dose I used the USRBIN "dose" card which,
> > according to the manual the dose is given in GeV/g per primary particle
> > unit. In this case, for plotting would I get a cm x GeV/g/particle plot?
> > About the second case, (energy x depth90), can I use the USRCOLL card?
> >
> >
> > I am waiting for an answer,
> > Att.
> > --
> > *Aline Granja*
> > Physics Undergraduate
> > Instituto do Noroeste Fluminense de Educação Superior (INFES)
> > Universidade Federal Fluminense (UFF)
> > +55 32 99804-5631
> > alinegranja_at_id.uff.br
> > http://lattes.cnpq.br/5208517686478566
> >
>
>
>
-- *Aline Granja* Physics Undergraduate Instituto do Noroeste Fluminense de Educação Superior (INFES) Universidade Federal Fluminense (UFF) (32) 99804-5631 alinegranja_at_id.uff.br http://lattes.cnpq.br/5208517686478566
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(image/jpeg attachment: Depth-dose.jpeg)
(image/jpeg attachment: WhatsApp_Image_2021-07-16_at_13.52.19.jpeg)