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*DECK FLPHPW
SUBROUTINE FLPHPW(NMIX,NGRP,NEL,LX,LZ,MAT,VOL,FLUX,HFAC,PXYZ,
1 VTOT,IMPX,LPOW)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Compute and print a power distribution over the whole reactor core
* in hexagonal geometry.
*
*Copyright:
* Copyright (C) 2007 Ecole Polytechnique de Montreal.
*
*Author(s):
* D. Sekki
*
*Update(s):
* V. Descotes 5/06/2010
*
*Parameters: input
* NMIX maximum number of material mixtures.
* NGRP total number of energy groups.
* NEL total number of finite elements.
* LX number of hexagons.
* LZ number of elements along z-axis.
* FLUX normalized fluxes associated with each volume.
* MAT index-number of mixture assigned to each volume.
* VOL element-ordered mesh-splitted volumes.
* HFAC h-factors over the reactor core.
* VTOT total reactor core volume.
* IMPX printing index (=0 for no print).
* LPOW file printing flag: =.true. print on file.
*
*Parameters: output
* PXYZ power distribution over the reactor core.
*
*-----------------------------------------------------------------------
*
*----
* SUBROUTINE ARGUMENTS
*----
INTEGER NGRP,NMIX,NEL,LX,LZ,MAT(NEL),IMPX
REAL FLUX(NEL,NGRP),VOL(NEL),HFAC(NMIX,NGRP),PXYZ(LX,LZ)
DOUBLE PRECISION VTOT
LOGICAL LPOW
*----
* LOCAL VARIABLES
*----
PARAMETER(IOUT=6,INIT=1)
DOUBLE PRECISION PTOT,XDRCST,EVJ
CHARACTER TEXT*12
*----
* CHECK TOTAL POWER
*----
IF(IMPX.GT.0)WRITE(IOUT,1005)
EVJ=XDRCST('eV','J')
PTOT=0.0D0
DO 20 IEL=1,NEL
IF(MAT(IEL).EQ.0)GOTO 20
DO 10 JGR=1,NGRP
PTOT=PTOT+FLUX(IEL,JGR)*VOL(IEL)*HFAC(MAT(IEL),JGR)*EVJ
10 CONTINUE
20 CONTINUE
PAVG=REAL(PTOT/VTOT)
IF(IMPX.GT.0)WRITE(IOUT,1001)PTOT,PAVG
*----
* PERFORM CALCULATION
*----
PXYZ(:LX,:LZ)=0.0
IEL=0
PMAX=0.
DO 55 K=1,LZ
DO 50 I=1,LX
IEL=IEL+1
IF(MAT(IEL).EQ.0)GOTO 50
DO 40 JGR=1,NGRP
PXYZ(I,K)=PXYZ(I,K)+
1 HFAC(MAT(IEL),JGR)*FLUX(IEL,JGR)*VOL(IEL)*REAL(EVJ)
40 CONTINUE
IF(PXYZ(I,K).GT.PMAX)THEN
PMAX=PXYZ(I,K)
IMX=I
KMX=K
ENDIF
50 CONTINUE
55 CONTINUE
IF(IMPX.GT.0)WRITE(IOUT,1000)PMAX,IMX,KMX
IF(.NOT.LPOW)GOTO 70
*----
* PRINTING
*----
TEXT='Pdistr.res'
OPEN(UNIT=INIT,FILE=TEXT,STATUS='UNKNOWN')
WRITE(INIT,1008)LX,LZ
DO 60 K=1,LZ
WRITE(INIT,1007)K
WRITE(INIT,1002) (PXYZ(I,K),I=1,LX)
60 CONTINUE
CLOSE(UNIT=INIT)
IF(IMPX.GT.0)WRITE(IOUT,1006)TEXT
70 RETURN
*
1000 FORMAT(/1X,'MAX POWER =',1P,E13.6,1X,'WATTS',4X,
1 'AT COORD :',1X,'HEX # =',I3,2X,'K =',I3/)
1001 FORMAT(1X,'COMPUTED TOTAL POWER :',1P,E15.8,1X,'WATTS'/
1 1X,'MEAN POWER DENSITY',3X,':',1P,E15.8,1X,'WATTS/CM3')
1002 FORMAT(6(1P,E15.8))
1005 FORMAT(/1X,'** COMPUTING POWER-DISTRIBUTION OVER',
1 1X,'THE REACTOR CORE (HEXAGONAL GEOMETRY) **'/)
1006 FORMAT(/1X,'PRINTING POWER-DISTRIBUTION ON FILE:',
1 1X,'<',A10,'>',3X,'=>',2X,'DONE.')
1007 FORMAT(//3X,'PLANE-Z #',I2.2/)
1008 FORMAT(/10X,5('*'),3X,'POWER-DISTRIBUTION OVER THE',
1 1X,'REACTOR CORE',3X,5('*')//25X,'NHEX=',I2,',',
2 2X,'NZ=',I2)
END
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