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*DECK MCGSCR
SUBROUTINE MCGSCR(IPTRK,KPSYS,IPMACR,IPRINT,N1,NG,NGEFF,KPN,K,
1 NREG,NANI,NFUNL,M,LPS,KEYFLX,KEYCUR,NZON,NGIND,
2 NCONV,MXSCR,EPSSCR,REBAL,PHIOUT,PHIIN,V,NPJJM,
3 KEYANI,IDIR)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Acceleration of inner iteration (SCR method).
*
*Copyright:
* Copyright (C) 2002 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): R. Le Tellier
*
*Parameters: input
* IPTRK pointer to the tracking LCM object.
* KPSYS pointer array for each group properties.
* IPMACR pointer to the macrolib LCM object.
* IPRINT print parameter (equal to zero for no print).
* N1 number of unknowns per group of the corrective system.
* NG number of groups.
* NGEFF number of groups to process.
* KPN total number of unknowns in vectors SUNKNO and FUNKNO.
* K total number of volumes for which specific values
* of the neutron flux and reactions rates are required.
* NREG number of volumes.
* NANI scattering anisotropy (=1 for isotropic scattering).
* NFUNL number of moments of the flux (in 2D NFUNL=NANI*(NANI+1)/2).
* M number of material mixtures.
* LPS dimension of PSJ.
* KEYFLX position of flux elements in FI vector.
* KEYCUR position of current elements in FI vector.
* NZON index-number of the mixture type assigned to each volume.
* NGIND index of the groups to process.
* NCONV logical array of convergence status for each group (.TRUE.
* not converged).
* MXSCR maximum number of iterations for rebalancing system.
* EPSSCR convergence criterion for rebalancing system.
* REBAL type of acceleration (.TRUE. rebalancing ; .FALSE. inner
* iterations acceleration).
* PHIIN initial guess (for this iteration) of zonal scalar flux.
* V volumes.
* NPJJM second dimension of PJJ.
* KEYANI 'mode to l' index l=KEYANI(nu).
* IDIR direction of fundamental current for TIBERE with MoC
* =0,1,2,3.
*
*Parameters: input/output
* PHIOUT zonal scalar flux.
*
*-----------------------------------------------------------------------
*
USE GANLIB
*----
* SUBROUTINE ARGUMENTS
*----
TYPE(C_PTR) IPTRK,KPSYS(NGEFF),IPMACR
INTEGER N1,NGEFF,NG,IPRINT,KPN,K,NREG,NANI,NFUNL,M,LPS,
1 KEYFLX(NREG,NFUNL),KEYCUR(*),NZON(K),NGIND(NGEFF),MXSCR,NPJJM,
2 KEYANI(NFUNL),IDIR
REAL EPSSCR,PHIIN(KPN,NGEFF),V(N1)
DOUBLE PRECISION PHIOUT(KPN,NGEFF)
LOGICAL NCONV(NGEFF),REBAL
*----
* LOCAL VARIABLES
*----
TYPE(C_PTR) JPMACR,KPMACR,JPSYS
DOUBLE PRECISION TEMP
CHARACTER*12 NGTYP
CHARACTER*12 NAMPJJ,NAMPSJ
INTEGER, TARGET, SAVE, DIMENSION(1) :: IDUMMY
*----
* ALLOCATABLE ARRAYS
*----
INTEGER, ALLOCATABLE, DIMENSION(:) :: NGINDV,NJJ,IJJ,IPOS
REAL, ALLOCATABLE, DIMENSION(:) :: XSCAT,MATR
REAL, ALLOCATABLE, DIMENSION(:) :: PJJ,PSJ
REAL, ALLOCATABLE, DIMENSION(:,:) :: SC
DOUBLE PRECISION, ALLOCATABLE, DIMENSION(:,:,:) :: AR,PSI
*
TYPE(C_PTR) PJJIND_PTR,IS_PTR,JS_PTR
INTEGER, POINTER, DIMENSION(:) :: IS,JS
INTEGER, POINTER, DIMENSION(:,:) :: PJJIND
*----
* SCRATCH STORAGE ALLOCATION
*----
ALLOCATE(NGINDV(NG),SC(0:M,NANI),AR(KPN,NGEFF,2),PSI(KPN,NGEFF,2),
1 PJJ(NREG*NPJJM),PSJ(LPS))
PSI(:KPN,:NGEFF,:2)=0.0D0
AR(:KPN,:NGEFF,:2)=0.0D0
CALL LCMGPD(IPTRK,'PJJIND$MCCG',PJJIND_PTR)
CALL C_F_POINTER(PJJIND_PTR,PJJIND,(/ NPJJM,2 /))
IF(N1.GT.NREG) THEN
* recover (IS,JS) arrays
* IS: arrays for surfaces neighbors
* JS: JS(IS(ISOUT)+1:IS(ISOUT+1)) give the neighboring regions to
* surface ISOUT.
CALL LCMGPD(IPTRK,'IS$MCCG',IS_PTR)
CALL LCMGPD(IPTRK,'JS$MCCG',JS_PTR)
CALL C_F_POINTER(IS_PTR,IS,(/ N1-NREG+1 /))
CALL C_F_POINTER(JS_PTR,JS,(/ LPS /))
ELSE
IS=>IDUMMY
JS=>IDUMMY
ENDIF
IF(REBAL) THEN
JPMACR=LCMGID(IPMACR,'GROUP')
ALLOCATE(NJJ(0:M),IJJ(0:M),IPOS(0:M),XSCAT(0:M*NG))
ENDIF
IF(IDIR .EQ.0) THEN
NAMPJJ='PJJ$MCCG'
NAMPSJ='PSJ$MCCG'
ELSEIF(IDIR .EQ. 1) THEN
NAMPJJ='PJJX$MCCG'
NAMPSJ='PSJX$MCCG'
ELSEIF(IDIR .EQ. 2) THEN
NAMPJJ='PJJY$MCCG'
NAMPSJ='PSJY$MCCG'
ELSE
NAMPJJ='PJJZ$MCCG'
NAMPSJ='PSJZ$MCCG'
ENDIF
*----
* CONSTRUCT NGINDV (index to pass from "NGEFF format" to "NG format").
*----
NGINDV(:NG)=0
DO II=1,NGEFF
IF(NCONV(II)) THEN
IG=NGIND(II)
NGINDV(IG)=II
ENDIF
ENDDO
*---
* COMPUTE RESIDUAL OF THE PREVIOUS FREE ITERATION FOR RHS
*---
DO II=1,NGEFF
IF(NCONV(II)) THEN
IG=NGIND(II)
JPSYS=KPSYS(II)
CALL LCMGET(JPSYS,'DRAGON-S0XSC',SC(0,1))
IF(REBAL) THEN
KPMACR=LCMGIL(JPMACR,IG)
CALL LCMGET(KPMACR,'NJJS00',NJJ(1))
CALL LCMGET(KPMACR,'IJJS00',IJJ(1))
CALL LCMGET(KPMACR,'IPOS00',IPOS(1))
CALL LCMGET(KPMACR,'SCAT00',XSCAT(1))
ENDIF
CALL MCGFCR(IPRINT,IG,II,NG,NGEFF,KPN,N1,NREG,NANI,NFUNL,
1 M,.FALSE.,KEYFLX,KEYCUR,NZON,NGINDV,REBAL,PHIOUT,
2 PHIIN,SC,KEYANI,NJJ,IJJ,IPOS,XSCAT,AR(1,II,1))
ENDIF
ENDDO
*---
* GAUSS SEIDEL ITERATIVE APPROACH TO SOLVE THE REBALANCING SYSTEM
*---
IF(REBAL) THEN
NGTYP='GAUSS-SEIDEL'
NFIRST=NGEFF+1
DO II=1,NGEFF
IF(NCONV(II)) THEN
IG=NGIND(II)
KPMACR=LCMGIL(JPMACR,IG)
CALL LCMGET(KPMACR,'IJJS00',IJJ(1))
DO IBM=1,M
IF(IJJ(IBM).GT.IG) THEN
NFIRST=II ! first thermal group index in NGEFF format
GOTO 5
ENDIF
ENDDO
ENDIF
ENDDO
ELSE
NGTYP=' ONE-GROUP'
NFIRST=1
ENDIF
5 CONTINUE
*
IF(NANI.GT.1) ALLOCATE(MATR(NFUNL*(NFUNL+1)*NREG))
DO ITSCR=1,MXSCR
DO 20 II=1,NGEFF
IF(NCONV(II)) THEN
IF((II.LT.NFIRST).AND.(ITSCR.GT.1)) GOTO 20
IG=NGIND(II)
JPSYS=KPSYS(II)
CALL LCMGET(JPSYS,'DRAGON-S0XSC',SC(0,1))
CALL LCMGET(JPSYS,NAMPJJ,PJJ)
IF(REBAL) THEN
KPMACR=LCMGIL(JPMACR,IG)
CALL LCMGET(KPMACR,'NJJS00',NJJ(1))
CALL LCMGET(KPMACR,'IJJS00',IJJ(1))
CALL LCMGET(KPMACR,'IPOS00',IPOS(1))
CALL LCMGET(KPMACR,'SCAT00',XSCAT(1))
ENDIF
DO I=1,NREG
IBM=NZON(I)
DO INU=1,NFUNL
IND=KEYFLX(I,INU)
AR(IND,II,2)=AR(IND,II,1)
ENDDO
IF(REBAL) THEN
* rebalancing option on : contribution from others groups.
IF(IBM.GT.0) THEN
IND=KEYFLX(I,1)
JG=IJJ(IBM)
DO 10 JND=1,NJJ(IBM)
IF(JG.NE.IG) THEN
JJ=NGINDV(JG)
IF(JJ.GT.0) THEN
AR(IND,II,2)=AR(IND,II,2)+
1 XSCAT(IPOS(IBM)+JND-1)*PSI(I,JJ,1)
ENDIF
ENDIF
JG=JG-1
10 CONTINUE
ENDIF
ENDIF
ENDDO
IF(NANI.EQ.1) THEN
DO I=1,NREG
IBM=NZON(I)
IND=KEYFLX(I,1)
PSI(IND,II,1)=AR(IND,II,2)
1 *PJJ(I)/(1.0-SC(IBM,1)*PJJ(I))
ENDDO
ELSE
CALL MCGSCS(KPN,K,NREG,M,NANI,NFUNL,NPJJM,KEYFLX,KEYANI,
1 PJJIND,NZON,SC(0,1),PJJ,AR(1,II,2),PSI(1,II,1),MATR)
ENDIF
ENDIF
20 CONTINUE
IF(REBAL) THEN
ERRSCR=0.0
DO II=NFIRST,NGEFF
IF(NCONV(II)) THEN
ERR1=0.0
ERR2=0.0
DO I=1,NREG
DO INU=1,NFUNL
IND=KEYFLX(I,INU)
TEMP1=REAL(ABS(PSI(IND,II,1)-PSI(IND,II,2)))
TEMP2=REAL(ABS(PSI(IND,II,1)))
ERR1=MAX(ERR1,TEMP1)
ERR2=MAX(ERR2,TEMP2)
PSI(IND,II,2)=PSI(IND,II,1)
ENDDO
ENDDO
IF(ERR2.GT.0.0) ERRSCR=MAX(ERRSCR,ERR1/ERR2)
ENDIF
ENDDO
IF(ERRSCR.LT.EPSSCR) GO TO 30
ENDIF
ENDDO
30 CONTINUE
IF(NANI.GT.1) DEALLOCATE(MATR)
*
IF((REBAL).AND.(IPRINT.GT.0)) THEN
IF(NFIRST.GT.1) WRITE(6,100) NGIND(1),NGIND(NFIRST-1),NGTYP
IF((MXSCR.GT.1).AND.(NFIRST.LE.NGEFF)) THEN
WRITE(6,200) NGTYP,ERRSCR,(ITSCR-1)
ENDIF
ELSE
IF(IPRINT.GT.1) WRITE(6,100) NGIND(1),NGIND(NGEFF),NGTYP
ENDIF
*----
* PERFORM THE CORRECTION
*----
* Flux Correction
DO II=1,NGEFF
IF(NCONV(II)) THEN
DO I=1,NREG
DO INU=1,NFUNL
IND=KEYFLX(I,INU)
PHIOUT(IND,II)=PHIOUT(IND,II)+PSI(IND,II,1)
ENDDO
ENDDO
ENDIF
ENDDO
* Current Correction
IF(N1.GT.NREG) THEN
DO II=1,NGEFF
IF(NCONV(II)) THEN
IG=NGIND(II)
JPSYS=KPSYS(II)
CALL LCMGET(JPSYS,NAMPSJ,PSJ)
CALL LCMGET(JPSYS,'DRAGON-S0XSC',SC(0,1))
IF(REBAL) THEN
KPMACR=LCMGIL(JPMACR,IG)
CALL LCMGET(KPMACR,'NJJS00',NJJ(1))
CALL LCMGET(KPMACR,'IJJS00',IJJ(1))
CALL LCMGET(KPMACR,'IPOS00',IPOS(1))
CALL LCMGET(KPMACR,'SCAT00',XSCAT(1))
ENDIF
DO I=NREG+1,N1
IIS=I-NREG
INDC=KEYCUR(IIS)
DO J=IS(IIS)+1,IS(IIS+1)
MCUI=JS(J)
IND=KEYFLX(MCUI,1)
IBM=NZON(MCUI)
IF(IBM.GT.0) THEN
TEMP=SC(IBM,1)*(PHIOUT(IND,II)-PHIIN(IND,II))
IF(REBAL) THEN
JG=IJJ(IBM)
DO 40 JND=1,NJJ(IBM)
IF(JG.NE.IG) THEN
JJ=NGINDV(JG)
IF(JJ.GT.0) THEN
TEMP=TEMP+XSCAT(IPOS(IBM)+JND-1)
1 *(PHIOUT(IND,JJ)-PHIIN(IND,JJ))
ENDIF
ENDIF
JG=JG-1
40 CONTINUE
ENDIF
PHIOUT(INDC,II)=PHIOUT(INDC,II)+PSJ(J)*TEMP/V(I)
ENDIF
ENDDO
ENDDO
ENDIF
ENDDO
ENDIF
*----
* SCRATCH STORAGE DEALLOCATION
*----
IF(REBAL) DEALLOCATE(XSCAT,IPOS,IJJ,NJJ)
DEALLOCATE(PSJ,PJJ,PSI,AR,SC,NGINDV)
RETURN
*
100 FORMAT(10X,11HSCR: GROUPS,I4,3H TO,I4,2H: ,A12,7H SCHEME)
200 FORMAT(10X,24HSCR: UP-SCATTE. GROUPS: ,A12,17H ITERATIONS: PRC:,
1 E9.2,2H (,I4,12H ITERATIONS))
END
|
