Dear Fluka Experts,
We are doing a set of simulations in which a fan-beam two-point
gamma-ray source is required. The following lines have been added to
source.f FORTRAN file and the deposition energies, in an array of
detectors surrounding the gamma-ray source located at (1 0 0) and (-1 0
0), are calculated using USRBIN card. The photon flux from what the
graphical output shows is correct, however, the deposition energy output
data are all zero.
It is very appreciated if you could help us to resolve this problem.
Sincerely,
Nima Ghal-Eh.
------- Position Definition ---------
COIN=FLRNDM(XDUMMY)
IF (COIN.LT.0.5)THEN
XFLK(NPFLKA) = ONEONE
YFLK(NPFLKA) = ZERZER
ZFLK(NPFLKA) = ZERZER
ELSE
XFLK(NPFLKA) = -ONEONE
YFLK(NPFLKA) = ZERZER
ZFLK(NPFLKA) = ZERZER
ENDIF
------- Direction Definition ---------
PHI=TWOTWO * PIPIPI * FLRNDM(XDUMMY)
COSTET = ZERZER
SINTET = ONEONE
XDIR = COS(PHI)
YDIR = SIN(PHI)
ZDIR = ZERZER
TXFLK(NPFLKA) = XDIR/SQRT(XDIR**2.+YDIR**2.+ZDIR**2.)
TYFLK(NPFLKA) = YDIR/SQRT(XDIR**2.+YDIR**2.+ZDIR**2.)
TZFLK(NPFLKA) = ZDIR/SQRT(XDIR**2.+YDIR**2.+ZDIR**2.)
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Received on Sun Sep 27 2020 - 13:26:52 CEST