*$ 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 * * * * Read source term from a histogram * * Author: Vasilis.Vlachoudis@cern.ch * * * *----------------------------------------------------------------------* * INCLUDE '(BEAMCM)' INCLUDE '(FHEAVY)' INCLUDE '(FLKSTK)' INCLUDE '(IOIOCM)' INCLUDE '(LTCLCM)' INCLUDE '(PAPROP)' INCLUDE '(SOURCM)' INCLUDE '(SUMCOU)' * PARAMETER (NMAX=1000) DIMENSION ERG(NMAX) PARAMETER(NLINES = 15) DIMENSION ENRGY(NLINES), WEIGH(NLINES), CUM(NLINES) CHARACTER*250 ROW SAVE N, ERG, CUM * LOGICAL LFIRST * 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. * | *** User initialization *** * LUNRD = NINT(WHASOU(1)) ! Logical unit from input file *** read histogram *** as pairs Energy Value *** WARNING first value should have be 0 *** in order to define the lower energy limit * | *** User initialization *** * IJBEAM = WHASOU(2) * XSPOT = WHASOU(3) * YSPOT = WHASOU(4) * SUM = ZERZER ! Build cumulative sum WRITE(LUNOUT,*) WRITE(LUNOUT,'(A,132A)') ("*",I=1,132) WRITE(LUNOUT,*) WRITE(LUNOUT,*) WRITE(LUNOUT,'(A,A)') " Source: collision file (example for", & " Shaikh)" OPEN(UNIT=88,FILE="../Electron_spectrum.txt",STATUS="OLD") OPEN(UNIT=89,FILE="../testsource",STATUS="UNKNOWN") WRITE(LUNOUT,*) WRITE(LUNOUT,*) WRITE(LUNOUT,'(A,132A)') ("*",I=1,132) WRITE(LUNOUT,*) DO I = 1, NLINES READ(88,*) ENRGY(I), WEIGH(I) SUM = SUM + WEIGH(I) CUM(I) = SUM END DO KOUNT = 0 END IF * | * +-------------------------------------------------------------------* KOUNT=KOUNT + 1 *---- ! from hsource.f - modified *** Select a random energy interval XI = FLRNDM(DUMMY) C CALL RACO(TXX,TYY,TZZ) ! to sample a surface source CALL SFLOOD ( TXX, TYY, TZZ, UXXX, VYYY, WZZZ ) *** Find interval (no need to check first interval CUM=0) DO J=1,NLINES IF (CUM(J) .GT. XI) THEN *** Found interval J, select x=xi as the sampled value E = ENRGY(J) Prob = ONEONE XBEAM = RFLOOD * TXX YBEAM = RFLOOD * TYY ZBEAM = RFLOOD * TZZ IF(KOUNT .LE. 50) THEN WRITE(89,*) XI,E,Prob, XBEAM, YBEAM, ZBEAM END IF GO TO 90 END IF END DO *** It should never come here CALL FLABRT('SOURCE','C .GT. CMAX!') 90 CONTINUE *------------------------------! end from hsource - mod Sabina * 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 NPFLKA = NPFLKA + 1 * Wt is the weight of the particle WTFLK (NPFLKA) = Prob WEIPRI = WEIPRI + WTFLK (NPFLKA) * Particle type (1=proton.....). Ijbeam is the type set by the BEAM * card * +-------------------------------------------------------------------* * | (Radioactive) isotope: IF ( IJBEAM .EQ. -2 .AND. LRDBEA ) THEN IARES = IPROA IZRES = IPROZ IISRES = IPROM CALL STISBM ( IARES, IZRES, IISRES ) IJHION = IPROZ * 1000 + IPROA IJHION = IJHION * 100 + KXHEAV IONID = IJHION CALL DCDION ( IONID ) CALL SETION ( IONID ) * | * +-------------------------------------------------------------------* * | Heavy ion: ELSE IF ( IJBEAM .EQ. -2 ) THEN IJHION = IPROZ * 1000 + IPROA IJHION = IJHION * 100 + KXHEAV IONID = IJHION CALL DCDION ( IONID ) CALL SETION ( IONID ) ILOFLK (NPFLKA) = IJHION * | Flag this is prompt radiation LRADDC (NPFLKA) = .FALSE. * | Group number for "low" energy neutrons, set to 0 anyway IGROUP (NPFLKA) = 0 * | * +-------------------------------------------------------------------* * | Normal hadron: ELSE IONID = IJBEAM ILOFLK (NPFLKA) = IJBEAM * | Flag this is prompt radiation LRADDC (NPFLKA) = .FALSE. * | Group number for "low" energy neutrons, set to 0 anyway IGROUP (NPFLKA) = 0 END IF * | * +-------------------------------------------------------------------* * From this point ..... * Particle generation (1 for primaries) LOFLK (NPFLKA) = 1 ! Generation is 1 for source particles * 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) = E * Particle momentum * PMOFLK (NPFLKA) = PBEAM PMOFLK (NPFLKA) = SQRT ( TKEFLK (NPFLKA) * ( TKEFLK (NPFLKA) & + TWOTWO * AM (IONID) ) ) * Cosines (tx,ty,tz) TXFLK (NPFLKA) = UXXX TYFLK (NPFLKA) = VYYY TZFLK (NPFLKA) = WZZZ * Polarization cosines: TXPOL (NPFLKA) = -TWOTWO TYPOL (NPFLKA) = +ZERZER TZPOL (NPFLKA) = +ZERZER * Particle coordinates XFLK (NPFLKA) = XBEAM YFLK (NPFLKA) = YBEAM ZFLK (NPFLKA) = ZBEAM * 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 RETURN * 9999 CALL FLABRT('SOURCE', 'Error reading source file') * RETURN *=== End of subroutine Source =========================================* END