*$ CREATE SOURCE.FOR *COPY SOURCE * *=== source ===========================================================* * SUBROUTINE SOURCE ( NOMORE ) INCLUDE '(DBLPRC)' INCLUDE '(DIMPAR)' INCLUDE '(IOUNIT)' * *----------------------------------------------------------------------* * * * Copyright (C) 1990-2006 by Alfredo Ferrari & Paola Sala * * All Rights Reserved. * * * * * * New source for FLUKA9x-FLUKA200x: * * * * Created on 07 january 1990 by Alfredo Ferrari & Paola Sala * * Infn - Milan * * * * Last change on 03-mar-06 by Alfredo Ferrari * This is an accelerator Uniform beam loss source.f file edit by * Wu Qingbiao, from CSNS, IHEP * * * * 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. * * * *----------------------------------------------------------------------* * INCLUDE '(BEAMCM)' INCLUDE '(FHEAVY)' INCLUDE '(FLKSTK)' INCLUDE '(IOIOCM)' INCLUDE '(LTCLCM)' INCLUDE '(PAPROP)' INCLUDE '(SOURCM)' INCLUDE '(SUMCOU)' DOUBLE PRECISION Z1,Z2,X0,Y0,R0BEAM,ANGTHE,SINTHE LOGICAL LFIRST * SAVE LFIRST,Z1,Z2,X0,Y0,R0BEAM,ANGTHE,SINTHE 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 *** Z1 = WHASOU(2) Z2 = WHASOU(3) X0 = WHASOU(4) Y0 = WHASOU(5) R0BEAM=WHASOU(6) ANGTHE=WHASOU(7) SINTHE=SIN(ANGTHE) * return message from first call WRITE(LUNOUT,*) 'Version fluka2012.2 of Routine SOURCE called' 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 NPFLKA = NPFLKA + 1 * Wt is the weight of the particle WTFLK (NPFLKA) = ONEONE WEIPRI = WEIPRI + WTFLK (NPFLKA) * Particle type (1=proton.....). Ijbeam is the type set by the BEAM * card * IJBEAM = 1 * +-------------------------------------------------------------------* * | (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. * | * +-------------------------------------------------------------------* * | Normal hadron: ELSE IONID = IJBEAM ILOFLK (NPFLKA) = IJBEAM * | Flag this is prompt radiation LRADDC (NPFLKA) = .FALSE. END IF * | * +-------------------------------------------------------------------* * From this point ..... * Particle generation (1 for primaries) LOFLK (NPFLKA) = 1 * User dependent flag: LOUSE (NPFLKA) = 0 * 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 * Group number for "low" energy neutrons, set to 0 anyway IGROUP (NPFLKA) = 0 * Kinetic energy of the particle (GeV) TKEFLK (NPFLKA) = WHASOU(1) * Particle momentum 560 PMOFLK (NPFLKA) = SQRT ( TKEFLK (NPFLKA) * ( TKEFLK (NPFLKA) & + TWOTWO * AM (ILOFLK(NPFLKA)) ) ) ***** for caculating particle coordinates and corresponsing dirrections: * Z1 = WHASOU(2) * Z2 = WHASOU(3) * Y0 = WHASOU(4) * R0BEAM=WHASOU(5) * ANGTHE=WHASOU(6) * SINTHE=SIN(ANGTHE) ANGPHI=TWOPIP*FLRNDM(ISEED3) XFLK(NPFLKA) = X0 + R0BEAM*COS(ANGPHI) YFLK(NPFLKA) = Y0 + R0BEAM*SIN(ANGPHI) ZFLK(NPFLKA) = Z1 + FLRNDM(ISEED2)*(Z2-Z1) IF ( ANGTHE .GE. ZERZER ) THEN TXFLK (NPFLKA) = SINTHE*COS(ANGPHI) TYFLK (NPFLKA) = SINTHE*SIN(ANGPHI) TZFLK (NPFLKA) = SQRT (ABS( ONEONE - TXFLK (NPFLKA)**2D+0 & - TYFLK (NPFLKA)**2D+0 )) ELSE TXFLK (NPFLKA) = -SINTHE*COS(ANGPHI) TYFLK (NPFLKA) = -SINTHE*SIN(ANGPHI) TZFLK (NPFLKA) = -SQRT (ABS( ONEONE - TXFLK (NPFLKA)**2D+0 & - TYFLK (NPFLKA)**2D+0 )) END IF * Polarization cosines: TXPOL (NPFLKA) = -TWOTWO TYPOL (NPFLKA) = +ZERZER TZPOL (NPFLKA) = +ZERZER * Particle coordinates * 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 *=== End of subroutine Source =========================================* END