Date: Mon, 7 Dec 2015 22:55:24 +0100
Dear Anon (and Mikhail),
your pdf looks dangerously unormalized and every peak has the probaility
(one).
First you should have a clear mathematical rappresentation of the your
spectrum (whose integral has to be one) or of the different components in
case you decide to run 4 different fluka simulations and do the weighted
merging off-line.
As this first basic step is missing I would suggest you to:
1) Write a few lines in you favourite programming language to genarate you
primary particle distribution (energy) and save it to an ASCII file.
2) Test it. And most important check that the distribution you have is what
you want/
3) Modify the source routing to sample randomly from your distribution.
Best, Vittorio
On Mon, Dec 7, 2015 at 4:12 AM, 2013200577 <2013200577_at_grad.buct.edu.cn>
wrote:
> Hi,I'm using FLUKA to describe a spectrum like this:
> It is made up of four gaussian distribution,that is
> [10,40],[12,90],[10,130],[2,190].In [x,y],x stands for the standard
> deviation and y stands for the center value.Thanks to your help,I can
> modify the source.f file to describe a simple Gaussian distribution.But how
> should I define the spectrum above?I 'm wondering if I can use four
> independent source.f files or there is another way?
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(image/png attachment: spectrum.png)