*$ CREATE SOURCE.FOR
*COPY SOURCE
*
*=== source ===========================================================*
*
SUBROUTINE SOURCE ( NOMORE )
INCLUDE '(DBLPRC)'
INCLUDE '(DIMPAR)'
INCLUDE '(IOUNIT)'
*
*----------------------------------------------------------------------*
* *
* Copyright (C) 1990-2010 by Alfredo Ferrari & Paola Sala *
* All Rights Reserved. *
* *
* *
* New source for FLUKA9x-FLUKA20xy: *
* *
* Created on 07 January 1990 by Alfredo Ferrari & Paola Sala *
* Infn - Milan *
* *
* Last change on 17-Oct-10 by Alfredo Ferrari *
* *
* This is just an example of a possible user written source routine. *
* note that the beam card still has some meaning - in the scoring the *
* maximum momentum used in deciding the binning is taken from the *
* beam momentum. Other beam card parameters are obsolete. *
* *
* Output variables: *
* *
* Nomore = if > 0 the run will be terminated *
* *
*----------------------------------------------------------------------*
*
INCLUDE '(BEAMCM)'
INCLUDE '(FHEAVY)'
INCLUDE '(FLKSTK)'
INCLUDE '(IOIOCM)'
INCLUDE '(LTCLCM)'
INCLUDE '(PAPROP)'
INCLUDE '(SOURCM)'
INCLUDE '(SUMCOU)'
*
LOGICAL LFIRST
*
PARAMETER (NLINES =35)
INTEGER PARTID(NLINES)
DOUBLE PRECISION X(NLINES), Y(NLINES),
& Z(NLINES), COSX(NLINES),
& COSY(NLINES), COSZ(NLINES), ENERGMY(NLINES)
SAVE LFIRST
DATA LFIRST / .TRUE. /
*======================================================================*
* *
* BASIC VERSION *
* *
*======================================================================*
NOMORE = 0
* +-------------------------------------------------------------------*
* | First call initializations:
IF ( LFIRST ) THEN
* | *** The following 3 cards are mandatory ***
TKESUM = ZERZER
LFIRST = .FALSE.
LUSSRC = .TRUE.
OPEN(UNIT=88, FILE="../test.dat", STATUS="OLD")
DO K=1, NLINES
READ(88,*) PARTID(K), X(K), Y(K),
& Z(K), COSX(K), COSY(K), COSZ(K), ENERGMY(K)
END DO
* | *** User initialization ***
END IF
* |
* +-------------------------------------------------------------------*
* Push one source particle to the stack. Note that you could as well
* push many but this way we reserve a maximum amount of space in the
* stack for the secondaries to be generated
* Npflka is the stack counter: of course any time source is called it
* must be =0
DO 20, I = 1, NLINES
NPFLKA = NPFLKA + 1
* Wt is the weight of the particle
WTFLK (NPFLKA) = ONEONE
WEIPRI = WEIPRI + WTFLK (NPFLKA)
IJBEAM = PARTID(I)
IONID = IJBEAM
ILOFLK (NPFLKA) = IJBEAM
LRADDC (NPFLKA) = .FALSE.
* | Group number for "low" energy neutrons, set to 0 anyway
IGROUP (NPFLKA) = 0
* +-------------------------------------------------------------------*
* From this point .....
* Particle generation (1 for primaries)
LOFLK (NPFLKA) = 1
* User dependent flag:
LOUSE (NPFLKA) = 0
* No channeling:
LCHFLK (NPFLKA) = .FALSE.
DCHFLK (NPFLKA) = ZERZER
* User dependent spare variables:
DO 100 ISPR = 1, MKBMX1
SPAREK (ISPR,NPFLKA) = ZERZER
100 CONTINUE
* User dependent spare flags:
DO 200 ISPR = 1, MKBMX2
ISPARK (ISPR,NPFLKA) = 0
200 CONTINUE
* Save the track number of the stack particle:
ISPARK (MKBMX2,NPFLKA) = NPFLKA
NPARMA = NPARMA + 1
NUMPAR (NPFLKA) = NPARMA
NEVENT (NPFLKA) = 0
DFNEAR (NPFLKA) = +ZERZER
* ... to this point: don't change anything
* Particle age (s)
AGESTK (NPFLKA) = +ZERZER
AKNSHR (NPFLKA) = -TWOTWO
* Kinetic energy of the particle (GeV)
TKEFLK (NPFLKA) = ENERGMY(I)
* Particle momentum
* PMOFLK (NPFLKA) = PBEAM
PMOFLK (NPFLKA) = SQRT ( TKEFLK (NPFLKA) * ( TKEFLK (NPFLKA)
& + TWOTWO * AM (IONID) ) )
* Cosines (tx,ty,tz)
TXFLK (NPFLKA) = COSX(I)
TYFLK (NPFLKA) = COSY(I)
TZFLK (NPFLKA) = COSZ(I)
* TZFLK (NPFLKA) = SQRT ( ONEONE - TXFLK (NPFLKA)**2
* & - TYFLK (NPFLKA)**2 )
* Polarization cosines:
TXPOL (NPFLKA) = -TWOTWO
TYPOL (NPFLKA) = +ZERZER
TZPOL (NPFLKA) = +ZERZER
* Particle coordinates
XFLK (NPFLKA) = X(I)
YFLK (NPFLKA) = Y(I)
ZFLK (NPFLKA) = Z(I)
* Calculate the total kinetic energy of the primaries: don't change
IF ( ILOFLK (NPFLKA) .EQ. -2 .OR. ILOFLK (NPFLKA) .GT. 100000 )
& THEN
TKESUM = TKESUM + TKEFLK (NPFLKA) * WTFLK (NPFLKA)
ELSE IF ( ILOFLK (NPFLKA) .NE. 0 ) THEN
TKESUM = TKESUM + ( TKEFLK (NPFLKA) + AMDISC (ILOFLK(NPFLKA)) )
& * WTFLK (NPFLKA)
ELSE
TKESUM = TKESUM + TKEFLK (NPFLKA) * WTFLK (NPFLKA)
END IF
RADDLY (NPFLKA) = ZERZER
* Here we ask for the region number of the hitting point.
* NREG (NPFLKA) = ...
* The following line makes the starting region search much more
* robust if particles are starting very close to a boundary:
CALL GEOCRS ( TXFLK (NPFLKA), TYFLK (NPFLKA), TZFLK (NPFLKA) )
CALL GEOREG ( XFLK (NPFLKA), YFLK (NPFLKA), ZFLK (NPFLKA),
& NRGFLK(NPFLKA), IDISC )
* Do not change these cards:
CALL GEOHSM ( NHSPNT (NPFLKA), 1, -11, MLATTC )
NLATTC (NPFLKA) = MLATTC
CMPATH (NPFLKA) = ZERZER
CALL SOEVSV
20 CONTINUE
RETURN
*=== End of subroutine Source =========================================*
END