*$ 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 = 900) DIMENSION PARTID(NLINES), 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 10 K=1, NLINES READ(88,*) PARTID(K), X(K), Y(K), Z(K), COSX(K), COSY(K), & COSZ(K), ENERGMY(K) 10 CONTINUE * | *** 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) * +-------------------------------------------------------------------* * 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) = COSX(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