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|
*DECK BRENEM
SUBROUTINE BRENEM(IPMAC1,NG,LX1,NMIX1,ITRIAL,IMIX,ICODE,ISPH,
1 ZKEFF,B2,ENER,VOL1,FLX1,DC1,TOT1,CHI1,SIGF1,SCAT1,JXM,JXP,FHETXM,
2 FHETXP,ADF1,NGET,ADFREF,IPRINT)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Implement the 1D DF-NEM reflector model.
*
*Copyright:
* Copyright (C) 2021 Ecole Polytechnique de Montreal
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version
*
*Author(s): A. Hebert
*
*Parameters: input
* IPMAC1 nodal macrolib.
* NG number of energy groups.
* LX1 number of nodes in the reflector model.
* NMIX1 number of mixtures in the nodal calculation.
* ITRIAL type of expansion functions in the nodal calculation.
* (=1: polynomial; =2: hyperbolic).
* IMIX mix index of each node.
* ICODE physical albedo index on each side of the domain.
* ISPH SPH flag (=0: use discontinuity factors; =1: use SPH factors).
* ZKEFF effective multiplication factor.
* B2 buckling.
* ENER energy limits.
* VOL1 volumes.
* FLX1 averaged fluxes
* DC1 diffusion coefficients.
* TOT1 total cross sections.
* CHI1 fission spectra.
* SIGF1 nu*fission cross sections.
* SCAT1 scattering P0 cross sections.
* JXM left boundary currents.
* JXP right boundary currents.
* FHETXM left boundary fluxes.
* FHETXP right boundary fluxes.
* ADF1 assembly discontinuity factors from macrolib.
* NGET type of NGET normalization if discontinuity factors
* (=0: simple; =1: imposed ADF on fuel assembly; =2: recover
* fuel assembly ADF from input macrolib).
* ADFREF imposed ADF values on fuel assembly side.
* IPRINT edition flag.
*
*-----------------------------------------------------------------------
*
USE GANLIB
*----
* SUBROUTINE ARGUMENTS
*----
TYPE(C_PTR) IPMAC1
INTEGER NG,LX1,NMIX1,ITRIAL(NG),IMIX(LX1),ICODE(2),ISPH,NGET,
1 IPRINT
REAL ZKEFF,B2,ENER(NG+1),VOL1(NMIX1),FLX1(NMIX1,NG),DC1(NMIX1,NG),
1 TOT1(NMIX1,NG),CHI1(NMIX1,NG),SIGF1(NMIX1,NG),
2 SCAT1(NMIX1,NG,NG),JXM(NMIX1,NG),JXP(NMIX1,NG),FHETXM(NMIX1,NG),
3 FHETXP(NMIX1,NG),ADF1(NMIX1,NG),ADFREF(NG)
*----
* LOCAL VARIABLES
*----
PARAMETER (NSTATE=40)
INTEGER ISTATE(NSTATE)
REAL SX(4),A11(4,4),Q(5)
CHARACTER HADF*8
TYPE(C_PTR) JPMAC1,KPMAC1
*----
* ALLOCATABLE ARRAYS
*----
INTEGER, ALLOCATABLE, DIMENSION(:) :: IJJ,NJJ,IPOS
REAL, ALLOCATABLE, DIMENSION(:) :: WORK,ETA,AFACTOR,BETA
REAL, ALLOCATABLE, DIMENSION(:,:) :: AB,ALPHA,FDXM,FDXP
*----
* LOOP OVER EQUIVALENT REFLECTOR NODES
*----
ALLOCATE(ETA(NG),AB(4*NG,4*NG+1),ALPHA(4,NG),FDXM(NMIX1,NG),
1 FDXP(NMIX1,NG),AFACTOR(NG),BETA(NG))
*----
* SET AND SOLVE NODAL SYSTEM
*----
J_FUEL=0
DO J=1,LX1
IBM=IMIX(J)
IF(IBM.EQ.0) CYCLE
DO IGR=1,NG
IF(SIGF1(IBM,IGR).GT.0.0) J_FUEL=J
DIFF=DC1(IBM,IGR)
SIGR=TOT1(IBM,IGR)+B2*DIFF-SCAT1(IBM,IGR,IGR)
ETA(IGR)=VOL1(IBM)*SQRT(SIGR/DIFF)
DO JGR=1,NG
IF(JGR.EQ.IGR) THEN
SIGT=SIGR-CHI1(IBM,IGR)*SIGF1(IBM,IGR)/ZKEFF
CALL BRESS1(ITRIAL(IGR),VOL1(IBM),DIFF,SIGR,SIGT,A11)
ELSE
SIGT=-SCAT1(IBM,JGR,IGR)-CHI1(IBM,JGR)*SIGF1(IBM,IGR)/ZKEFF
CALL BRESS2(ITRIAL(IGR),VOL1(IBM),DIFF,SIGR,SIGT,A11)
ENDIF
DO K1=1,4
DO K2=1,4
AB((JGR-1)*4+K1,(IGR-1)*4+K2)=A11(K1,K2)
ENDDO
ENDDO
ENDDO
SX = (/0.0,0.0,JXM(IBM,IGR),JXP(IBM,IGR)/)
DO K1 =1,4
AB((IGR-1)*4+K1,4*NG+1)=SX(K1)
ENDDO
ENDDO
CALL ALSB(4*NG,1,AB,IER,4*NG)
IF (IER.NE.0) CALL XABORT('BRENEM: ALBS FAILURE')
DO IGR=1,NG
DO I=1,4
ALPHA(I,IGR)=AB((IGR-1)*4+I,4*NG+1)
ENDDO
ENDDO
IF(IPRINT.GT.1) THEN
WRITE(6,'(/9H MIXTURE=,I5)') J
WRITE(6,20) 'ALPHA',ALPHA(:4,:NG)
ENDIF
*----
* COMPUTE DISCONTINUITY FACTORS
*----
DO IGR=1,NG
IF (ITRIAL(IGR) == 1) THEN
Q(1) = ALPHA(2,IGR)/2.
FHOMM=-ALPHA(1,IGR)/2.+FLX1(IBM,IGR)+Q(1)
FHOMP=ALPHA(1,IGR)/2.+FLX1(IBM,IGR)+Q(1)
ELSE
Q(1) = ETA(IGR)/2.
Q(2) = SINH(Q(1))
Q(3) = ALPHA(2,IGR)/2.
Q(4) = ALPHA(3,IGR)*Q(2)
Q(5) = ALPHA(4,IGR)*(COSH(Q(1)) - (2*Q(2))/ETA(IGR))
FHOMM=-ALPHA(1,IGR)/2.+FLX1(IBM,IGR)+Q(3)-Q(4)+Q(5)
FHOMP=ALPHA(1,IGR)/2.+FLX1(IBM,IGR)+Q(3)+Q(4)+Q(5)
ENDIF
FDXM(IBM,IGR)=FHETXM(IBM,IGR)/FHOMM
FDXP(IBM,IGR)=FHETXP(IBM,IGR)/FHOMP
ENDDO
ENDDO
IF(IPRINT.GT.0) THEN
WRITE(6,'(/48H BRENEM: DISCONTINUITY FACTORS BEFORE NORMALIZAT,
1 3HION)')
DO IBM=1,NMIX1
WRITE(6,'(/9H MIXTURE=,I5)') IBM
WRITE(6,20) 'FDXM',FDXM(IBM,:NG)
WRITE(6,20) 'FDXP',FDXP(IBM,:NG)
ENDDO
ENDIF
*----
* COMPUTE ALBEDOS
*----
IF(ICODE(2).NE.0) THEN
BETA(:)=0.0
IBM=IMIX(LX1)
DO IGR=1,NG
IF(IBM.EQ.0) CYCLE
AFACTOR(IGR)=FDXP(IBM,IGR)*JXP(IBM,IGR)/FHETXP(IBM,IGR)
BETA(IGR)=(1.0-2.0*AFACTOR(IGR))/(1.0+2.0*AFACTOR(IGR))
ENDDO
IF(IPRINT.GT.0) THEN
WRITE(6,'(/16H BRENEM: ALBEDOS)')
WRITE(6,20) 'BETA',BETA(:NG)
ENDIF
ENDIF
*----
* NGET NORMALIZATION OF THE DISCONTINUITY FACTORS
*----
IF(J_FUEL.GT.0) THEN
IF(NGET.GT.0) THEN
IBM=IMIX(J_FUEL)
DO IGR=1,NG
! impose the adf on the fuel assembly side
IF(IBM.EQ.0) CYCLE
IF(NGET.EQ.1) THEN
FNORM=ADFREF(IGR)/FDXP(IBM,IGR)
ELSE
FNORM=ADF1(IBM,IGR)/FDXP(IBM,IGR)
ENDIF
FDXP(IBM,IGR)=FDXP(IBM,IGR)*FNORM
IF(J_FUEL<LX1) THEN
IBMP=IMIX(J_FUEL+1)
IF(IBMP.GT.0) FDXM(IBMP,IGR)=FDXM(IBMP,IGR)*FNORM
ENDIF
ENDDO
ENDIF
DO J=J_FUEL,1,-1
IBM=IMIX(J)
IF(IBM.EQ.0) CYCLE
DO IGR=1,NG
IF(J>1) THEN
IBMM=IMIX(J-1)
IF(IBMM.GT.0) FDXP(IBMM,IGR)=FDXP(IBMM,IGR)*FDXP(IBM,IGR)/
1 FDXM(IBM,IGR)
ENDIF
FDXM(IBM,IGR)=FDXP(IBM,IGR)
ENDDO
ENDDO
ENDIF
DO J=J_FUEL+1,LX1
IBM=IMIX(J)
IF(IBM.EQ.0) CYCLE
DO IGR=1,NG
IF(J<LX1) THEN
IBMP=IMIX(J+1)
IF(IBMP.GT.0) FDXM(IBMP,IGR)=FDXM(IBMP,IGR)*FDXM(IBM,IGR)/
1 FDXP(IBM,IGR)
ENDIF
FDXP(IBM,IGR)=FDXM(IBM,IGR)
ENDDO
ENDDO
IF(IPRINT.GT.0) THEN
WRITE(6,'(/48H BRENEM: DISCONTINUITY FACTORS AFTER NGET NORMAL,
1 7HIZATION)')
DO IBM=1,NMIX1
WRITE(6,'(/9H MIXTURE=,I5)') IBM
WRITE(6,20) 'FDX',FDXM(IBM,:NG)
ENDDO
ENDIF
*----
* APPLY SPH FACTORS
*----
IF(ISPH.EQ.1) THEN
DO IGR=1,NG
DO J=1,LX1
IBM=IMIX(J)
IF(IBM.EQ.0) CYCLE
TOT1(IBM,IGR)=TOT1(IBM,IGR)/FDXM(IBM,IGR)
DC1(IBM,IGR)=DC1(IBM,IGR)/FDXM(IBM,IGR)
SIGF1(IBM,IGR)=SIGF1(IBM,IGR)/FDXM(IBM,IGR)
DO JGR=1,NG
SCAT1(IBM,IGR,JGR)=SCAT1(IBM,IGR,JGR)/FDXM(IBM,JGR)
ENDDO
ENDDO
ENDDO
IF(ICODE(2).NE.0) THEN
BETA(:)=0.0
IF(ICODE(2).NE.0) THEN
IBM=IMIX(LX1)
DO IGR=1,NG
IF(IBM.EQ.0) CYCLE
AFACTOR(IGR)=AFACTOR(IGR)/FDXM(IBM,IGR)
BETA(IGR)=(1.0-2.0*AFACTOR(IGR))/(1.0+2.0*AFACTOR(IGR))
ENDDO
ENDIF
IF(IPRINT.GT.0) THEN
WRITE(6,'(/30H BRENEM: SPH CORRECTED ALBEDOS)')
WRITE(6,20) 'BETA',BETA(:NG)
ENDIF
ENDIF
ENDIF
IF(IPRINT.GT.0) THEN
WRITE(6,'(/31H BRENEM: DIFFUSION COEFFICIENTS)')
DO IBM=1,NMIX1
WRITE(6,'(/9H MIXTURE=,I5)') IBM
WRITE(6,20) 'DIFF',DC1(IBM,:NG)
ENDDO
ENDIF
*----
* SAVE THE OUTPUT NODAL MACROLIB
*----
ALLOCATE(IJJ(NMIX1),NJJ(NMIX1),IPOS(NMIX1),WORK(NMIX1*NG))
ISTATE(:)=0
ISTATE(1)=NG
ISTATE(2)=NMIX1
ISTATE(3)=1
IF(J_FUEL.GT.0) ISTATE(4)=1
IF(ICODE(2).NE.0) ISTATE(8)=1 ! physical albedo information
ISTATE(9)=1 ! diffusion coefficient information
IF(ISPH.EQ.0) ISTATE(12)=3 ! discontinuity factor information
IF(ISPH.EQ.1) ISTATE(14)=1 ! SPH factor information
CALL LCMPUT(IPMAC1,'STATE-VECTOR',NSTATE,1,ISTATE)
CALL LCMPUT(IPMAC1,'ENERGY',NG+1,2,ENER)
CALL LCMPUT(IPMAC1,'VOLUME',NMIX1,2,VOL1)
CALL LCMPUT(IPMAC1,'B2 B1HOM',1,2,B2)
IF(ICODE(2).NE.0) CALL LCMPUT(IPMAC1,'ALBEDO',NG,2,BETA)
IF(ISPH.EQ.0) THEN
CALL LCMSIX(IPMAC1,'ADF',1)
NTYPE=1
HADF='FD_B'
CALL LCMPUT(IPMAC1,'NTYPE',1,1,NTYPE)
CALL LCMPTC(IPMAC1,'HADF',8,HADF)
CALL LCMPUT(IPMAC1,HADF,NMIX1*NG,2,FDXM)
CALL LCMSIX(IPMAC1,' ',2)
ELSE IF(ISPH.EQ.1) THEN
CALL LCMSIX(IPMAC1,'SPH',1)
ISTATE(:)=0
ISTATE(1)=4
ISTATE(2)=1
ISTATE(6)=1
ISTATE(7)=1
ISTATE(8)=NG
CALL LCMPUT(IPMAC1,'STATE-VECTOR',NSTATE,1,ISTATE)
CALL LCMSIX(IPMAC1,' ',2)
ENDIF
JPMAC1=LCMLID(IPMAC1,'GROUP',NG)
DO IGR=1,NG
KPMAC1=LCMDIL(JPMAC1,IGR)
DO IBM=1,NMIX1
WORK(IBM)=VOL1(IBM)*FLX1(IBM,IGR)
ENDDO
CALL LCMPUT(KPMAC1,'FLUX-INTG',NMIX1,2,WORK)
CALL LCMPUT(KPMAC1,'NTOT0',NMIX1,2,TOT1(:,IGR))
CALL LCMPUT(KPMAC1,'DIFF',NMIX1,2,DC1(:,IGR))
DO IBM=1,NMIX1
WORK(IBM)=SCAT1(IBM,IGR,IGR)
ENDDO
CALL LCMPUT(KPMAC1,'SIGW00',NMIX1,2,WORK)
CALL LCMPUT(KPMAC1,'CHI',NMIX1,2,CHI1(:,IGR))
CALL LCMPUT(KPMAC1,'NUSIGF',NMIX1,2,SIGF1(:,IGR))
IF(ISPH.EQ.1) THEN
DO IBM=1,NMIX1
WORK(IBM)=1.0/FDXM(IBM,IGR)
ENDDO
CALL LCMPUT(KPMAC1,'NSPH',NMIX1,2,WORK)
ENDIF
IPOSDE=0
DO IBM=1,NMIX1
J2=IGR
J1=IGR
DO JGR=1,NG
IF(SCAT1(IBM,IGR,JGR).NE.0.0) THEN
J2=MAX(J2,JGR)
J1=MIN(J1,JGR)
ENDIF
ENDDO
NJJ(IBM)=J2-J1+1
IJJ(IBM)=J2
IPOS(IBM)=IPOSDE+1
DO JGR=J2,J1,-1
IPOSDE=IPOSDE+1
IF(IPOSDE.GT.NG*NMIX1) CALL XABORT('BRENEM: SCAT OVERFLOW.')
WORK(IPOSDE)=SCAT1(IBM,IGR,JGR)
ENDDO
ENDDO
CALL LCMPUT(KPMAC1,'SCAT00',IPOSDE,2,WORK)
CALL LCMPUT(KPMAC1,'NJJS00',NMIX1,1,NJJ)
CALL LCMPUT(KPMAC1,'IJJS00',NMIX1,1,IJJ)
CALL LCMPUT(KPMAC1,'IPOS00',NMIX1,1,IPOS)
ENDDO
*----
* SCRATCH STORAGE DEALLOCATION
*----
DEALLOCATE(WORK,IPOS,NJJ,IJJ,BETA,AFACTOR,FDXP,FDXM,ALPHA,AB,ETA)
RETURN
20 FORMAT(1X,A9,1P,10E12.4,/(10X,10E12.4))
END
|
