Last version:
FLUKA 2021.2.8, November 20th 2022
(last respin 2021.2.8)
flair-2.3-0c 11-Sep-2022


-- Fluka Release
( 20.11.2022 )

FLUKA 2021.2.8 has been released.

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Calls user dependent global initialisation.


The meaning of WHAT(1),...,WHAT(6), SDUM is defined by the user. A call to the user-written routine USRGLO with 6 WHAT numerical values and one character string SDUM as arguments is issued before any other FLUKA initialisation if this command is found anywhere in input.


  • 1) In subroutine USRGLO, WHAT and SDUM must be declared as follows:
             DOUBLE PRECISION WHAT (6)
             CHARACTER SDUM*8

  • 2) A description of routine USRGLO and instructions about its use are given in Chap. (13)

  • 3) It is suggested that the USRGLO routine shall contain at least the three standard INCLUDE files:
                         DBLPRC, DIMPAR, IOUNIT
  • 4) Other useful files to be INCLUDEd, depending on the problem, can be BEAMCM, CASLIM, SOURCM, SUMCOU, FLKMAT, PAPROP, SCOHLP, USRBDX, USRBIN, USRSNC, USRTRC, USRYLD}. See Chap. (13) for more information on INCLUDE files useful in user routines.


 USRGCALL        789.      321.      18.0     144.0     -27.0     3.14 SPECIAL
 * Call global initialisation routine passing 6 numerical values and a string

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