RE: Fluka for cylinderial source

From: Zafar Yasin <>
Date: Sun, 19 Aug 2012 12:06:00 +0000

Dear Guojun and fluka experts,

Thank you for your help. But I am using flair on windows and not finding
the directory "usermvax" and hence the "source.f".
Can I find these on windows flair or I need to switch on fluka/ linux system.

Thank you in advance.

best regards,

From: []
Sent: 18 August 2012 06:52
To: Zafar Yasin
Subject: Re: Fluka for cylinderial source

Dear Zafar Yasin,
      I am not sure whether BEAMPOS card could solve your problems, but you =
can make it in other ways. Since you want to define the source with energy =
information, I suggest that you use the subroutine source.f,which could be =
found in the directory "usermvax" where your fluka had been installed, to d=
efine your source. You can modify the source file "source.f" to define your=
  specific source, with energy, position or some other information. The sour=
ce file needs to be writen with Fortran 77. Usually, you may want to change=
  XFLK,YFLK,ZFLK(position information),TKEFLK(kinetic energy information). A=
fter you have finished the source, you can compile and link the source.f wi=
th flukahp in flair or use command like "$FLUPRO/flutil/lfluka -m fluka -o =
flukamy source.f".Of course, you may have to check that you get the source =
you want!

Best regards,
Guojun Hu

> -----Original E-mail-----
> From: "Zafar Yasin" <>
> Sent Time: 2012-8-13 15:06:04
> To: "" <>
> Cc:
> Subject: Fluka for cylinderial source
> Dear fluka experts and users,
> I hope you all have an interesting time. I am a new to fluka and want to
> shield the radiations emitted from a cylinderical source. As, I have used=
  fluka for a
> beam impenging on a Cu, etc targets. But I am to find if instead of beam =
the neutrons
> are being emitted from a cylinderical source. Some people are using MCNP =
for the
> cylinderical source but I did not want to use MCNP as I love fluka.
> Thank you in advance,
> Best regards,
> Zafar yasin
> Sr. Scientist
> PINSTECH, P.O. Nilore
> Islamabad, Pakistan=3D
Received on Sun Aug 19 2012 - 17:29:47 CEST

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