Re: Wrong Geometry

From: Stefan Roesler (
Date: Wed Feb 13 2008 - 22:43:55 CET

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    RCC 3 and RPP 4 do not overlap; thus regions 3 and 4 don't make sense.

    RCC 3 has the center of one of its circular faces at (x,y,z)=(0,0,3), is
    aligned with z and has a length of 200cm. However, RPP 4 only extends from
    0 to 1.96cm in z.

    Just a few other comments:

    - BERYLLIUM and IRON are both predefined materials in FLUKA. Thus the
      MATERIAL cards are not needed
    - The SDUM of your EMFCUT card is misaligned.
    - What(4) and What(5) of EMFCUT/PROD-CUT refer to a range of FLUKA
      material indices, with What(4) being the lower limit and What(5) the
      upper. In your case What(5)<What(4), I guess What(5) is forced to be
      equal to What(4).


    On Wed, 13 Feb 2008, Buthaina Abdalla Suleiman Adam wrote:

    > Hi
    > I'm a beginner of fluka, I want to get the flux of neutron out side iron
    > tube (cylinder 200cm long) placed 2cm away from the source (P irradiated
    > Be target). My problem that I couldn't introduce these iron tube correctly
    > (always give me wrong geometry) I attach my input file.
    > Thank You in Advance,
    > Buthaina Adam

    Stefan Roesler
    CH-1211 Geneva 23
    Phone:  +41-22-7679891
    Fax:    +41-22-7669639

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