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*DECK BIVSYS
SUBROUTINE BIVSYS(IPTRK,IPMACR,IPSYS,IMPX,NGRP,NEL,NBFIS,NALBP,
1 MAT,VOL,NBMIX)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Recover the diffusion coefficient and cross-section data in LCM
* object with pointer IPMACR, compute and store the corresponding
* system matrices.
*
*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): A. Hebert
*
*Parameters: input
* IPTRK L_TRACK pointer to the bivac tracking information.
* IPMACR L_MACROLIB pointer to the cross sections.
* IPSYS L_SYSTEM pointer to system matrices.
* IMPX print parameter (equal to zero for no print).
* NGRP number of energy groups.
* NEL total number of finite elements.
* NBFIS number of fissionable isotopes.
* NALBP number of physical albedos per energy group.
* MAT index-number of the mixture type assigned to each volume.
* VOL volumes.
* NBMIX total number of material mixtures in the macrolib.
*
*-----------------------------------------------------------------------
*
USE GANLIB
*----
* SUBROUTINE ARGUMENTS
*----
TYPE(C_PTR) IPTRK,IPMACR,IPSYS
INTEGER IMPX,NGRP,NEL,NBFIS,NALBP,MAT(NEL),NBMIX
REAL VOL(NEL)
*----
* LOCAL VARIABLES
*----
PARAMETER (NSTATE=40)
INTEGER ISTATE(NSTATE)
CHARACTER TEXT12*12,HSMG*131
LOGICAL LFIS
TYPE(C_PTR) JPMACR,KPMACR
INTEGER, DIMENSION(:), ALLOCATABLE :: IJJ,NJJ,IPOS
REAL, DIMENSION(:), ALLOCATABLE :: WORK
REAL, DIMENSION(:,:), ALLOCATABLE :: ALBP,GAMMA,SGD,ZUFIS
REAL, DIMENSION(:,:,:), ALLOCATABLE :: CHI
*
ALB(X)=0.5*(1.0-X)/(1.0+X)
*----
* SCRATCH STORAGE ALLOCATION
*----
ALLOCATE(IJJ(NBMIX),NJJ(NBMIX),IPOS(NBMIX))
ALLOCATE(GAMMA(NALBP,NGRP),SGD(NBMIX,3),WORK(NBMIX*NGRP),
1 CHI(NBMIX,NBFIS,NGRP),ZUFIS(NBMIX,NBFIS))
*----
* PROCESS PHYSICAL ALBEDO INFORMATION AND CALCULATION OF
* MULTIGROUP ALBEDO FUNCTIONS
*----
IF(NALBP.GT.0) THEN
ALLOCATE(ALBP(NALBP,NGRP))
CALL LCMGET(IPMACR,'ALBEDO',ALBP)
CALL LCMGET(IPTRK,'STATE-VECTOR',ISTATE)
IELEM=ISTATE(8)
ICOL=ISTATE(9)
DO IGR=1,NGRP
GAMMA(:NALBP,IGR)=0.0
DO IALB=1,NALBP
IF((IELEM.LT.0).OR.(ICOL.EQ.4)) THEN
GAMMA(IALB,IGR)=ALB(ALBP(IALB,IGR))
ELSE IF(ALBP(IALB,IGR).NE.1.0) THEN
GAMMA(IALB,IGR)=1.0/ALB(ALBP(IALB,IGR))
ELSE
GAMMA(IALB,IGR)=1.0E20
ENDIF
ENDDO
WRITE(TEXT12,'(9HALBEDO-FU,I3.3)') IGR
CALL LCMPUT(IPSYS,TEXT12,NALBP,2,GAMMA(1,IGR))
ENDDO
DEALLOCATE(ALBP)
ENDIF
*
JPMACR=LCMGID(IPMACR,'GROUP')
DO 70 IGR=1,NGRP
* PROCESS SECONDARY GROUP IGR.
KPMACR=LCMGIL(JPMACR,IGR)
*----
* PROCESS LEAKAGE AND REMOVAL TERMS
*----
CALL LCMLEN(KPMACR,'NTOT0',LENGT,ITYLCM)
IF(LENGT.EQ.0) THEN
CALL XABORT('BIVSYS: NO TOTAL CROSS SECTIONS.')
ELSE IF(LENGT.GT.NBMIX) THEN
CALL XABORT('BIVSYS: INVALID LENGTH FOR TOTAL CROSS SECTIONS.')
ENDIF
CALL LCMGET(KPMACR,'NTOT0',SGD(1,3))
CALL LCMLEN(KPMACR,'SIGW00',LENGT,ITYLCM)
IF(LENGT.GT.0) THEN
IF(LENGT.GT.NBMIX) CALL XABORT('BIVSYS: INVALID LENGTH FOR '
1 //'''SIGW00'' CROSS SECTIONS.')
CALL LCMGET(KPMACR,'SIGW00',SGD(1,1))
DO 10 IBM=1,NBMIX
SGD(IBM,3)=SGD(IBM,3)-SGD(IBM,1)
10 CONTINUE
ENDIF
CALL LCMLEN(KPMACR,'DIFF',LENGT1,ITYLCM)
IF(LENGT1.GT.0) THEN
IF(LENGT1.GT.NBMIX) CALL XABORT('BIVSYS: INVALID LENGTH FOR'
1 //' DIFF (ISOTROPIC DIFFUSION COEFFICIENT).')
CALL LCMGET(KPMACR,'DIFF',SGD(1,1))
DO 20 IBM=1,NBMIX
SGD(IBM,2)=SGD(IBM,1)
20 CONTINUE
ENDIF
CALL LCMLEN(KPMACR,'DIFFX',LENGT2,ITYLCM)
IF(LENGT2.GT.0) THEN
IF(LENGT2.GT.NBMIX) CALL XABORT('BIVSYS: INVALID LENGTH FOR'
1 //' DIFFX (ANISOTROPIC DIFFUSION COEFFICIENT).')
CALL LCMGET(KPMACR,'DIFFX',SGD(1,1))
DO 30 IBM=1,NBMIX
SGD(IBM,2)=SGD(IBM,1)
30 CONTINUE
ENDIF
CALL LCMLEN(KPMACR,'DIFFY',LENGT3,ITYLCM)
IF(LENGT3.GT.0) THEN
IF(LENGT3.GT.NBMIX) CALL XABORT('BIVSYS: INVALID LENGTH FOR'
1 //' DIFFY (ANISOTROPIC DIFFUSION COEFFICIENT).')
CALL LCMGET(KPMACR,'DIFFY',SGD(1,2))
ENDIF
IF((LENGT1.EQ.0).AND.(LENGT2.EQ.0)) THEN
CALL XABORT('BIVSYS: NO DIFFUSION COEFFICIENTS.')
ENDIF
DO 35 IBM=1,NBMIX
IF((SGD(IBM,1).LT.0.0).OR.(SGD(IBM,3).LT.0.0)) THEN
WRITE(HSMG,'(28HBIVSYS: NEGATIVE XS IN GROUP,I5)') IGR
CALL XABORT(HSMG)
ENDIF
35 CONTINUE
WRITE(TEXT12,'(1HA,2I3.3)') IGR,IGR
CALL BIVASM(TEXT12,0,IPTRK,IPSYS,IMPX,NBMIX,NEL,0,3,NALBP,MAT,
1 VOL,GAMMA(1,IGR),SGD)
*----
* PROCESS SCATTERING TERMS
*----
CALL LCMLEN(KPMACR,'NJJS00',LENGT,ITYLCM)
IF(LENGT.GT.NBMIX) CALL XABORT('BIVSYS: INVALID LENGTH FOR '
1 //'NJJS00 INFORMATION.')
IF(LENGT.GT.0) THEN
CALL LCMGET(KPMACR,'NJJS00',NJJ)
CALL LCMGET(KPMACR,'IJJS00',IJJ)
JGRMIN=IGR
JGRMAX=IGR
DO 40 IBM=1,NBMIX
JGRMIN=MIN(JGRMIN,IJJ(IBM)-NJJ(IBM)+1)
JGRMAX=MAX(JGRMAX,IJJ(IBM))
40 CONTINUE
CALL LCMGET(KPMACR,'IPOS00',IPOS)
CALL LCMGET(KPMACR,'SCAT00',WORK)
DO 60 JGR=JGRMAX,JGRMIN,-1
IF(JGR.EQ.IGR) GO TO 60
DO 50 IBM=1,NBMIX
IF((JGR.GT.IJJ(IBM)-NJJ(IBM)).AND.(JGR.LE.IJJ(IBM))) THEN
SGD(IBM,1)=WORK(IPOS(IBM)+IJJ(IBM)-JGR)
ELSE
SGD(IBM,1)=0.0
ENDIF
50 CONTINUE
WRITE (TEXT12,'(1HA,2I3.3)') IGR,JGR
CALL BIVASM(TEXT12,1,IPTRK,IPSYS,IMPX,NBMIX,NEL,0,1,NALBP,MAT,
1 VOL,GAMMA(1,IGR),SGD)
60 CONTINUE
ENDIF
70 CONTINUE
*----
* PROCESS FISSION SPECTRUM TERMS
*----
KPMACR=LCMGIL(JPMACR,1)
CALL LCMLEN(KPMACR,'CHI',LENGT,ITYLCM)
IF(LENGT.GT.0) THEN
IF(LENGT.NE.NBMIX*NBFIS) CALL XABORT('BIVSYS: INVALID LENGTH '
1 //'FOR CHI INFORMATION.')
DO 80 IGR=1,NGRP
KPMACR=LCMGIL(JPMACR,IGR)
CALL LCMGET(KPMACR,'CHI',CHI(1,1,IGR))
80 CONTINUE
ELSE
DO 92 IBM=1,NBMIX
DO 91 IFISS=1,NBFIS
CHI(IBM,IFISS,1)=1.0
DO 90 IGR=2,NGRP
CHI(IBM,IFISS,IGR)=0.0
90 CONTINUE
91 CONTINUE
92 CONTINUE
ENDIF
*----
* PROCESS FISSION NUSIGF TERMS
*----
DO 130 IGR=1,NGRP
* PROCESS SECONDARY GROUP IGR.
LFIS=.FALSE.
DO 105 IBM=1,NBMIX
DO 100 IFISS=1,NBFIS
LFIS=LFIS.OR.(CHI(IBM,IFISS,IGR).NE.0.0)
100 CONTINUE
105 CONTINUE
IF(LFIS) THEN
DO 120 JGR=1,NGRP
KPMACR=LCMGIL(JPMACR,JGR)
CALL LCMLEN(KPMACR,'NUSIGF',LENGT,ITYLCM)
IF(LENGT.NE.NBMIX*NBFIS) CALL XABORT('BIVSYS: INVALID LENGTH '
1 //'FOR NUSIGF INFORMATION.')
IF(LENGT.GT.0) THEN
CALL LCMGET(KPMACR,'NUSIGF',ZUFIS)
SGD(:NBMIX,1)=0.0
DO 115 IBM=1,NBMIX
DO 110 IFISS=1,NBFIS
SGD(IBM,1)=SGD(IBM,1)+CHI(IBM,IFISS,IGR)*ZUFIS(IBM,IFISS)
110 CONTINUE
115 CONTINUE
WRITE(TEXT12,'(4HFISS,2I3.3)') IGR,JGR
CALL LCMPUT(IPSYS,TEXT12,NBMIX,2,SGD(1,1))
WRITE (TEXT12,'(1HB,2I3.3)') IGR,JGR
CALL BIVASM(TEXT12,1,IPTRK,IPSYS,IMPX,NBMIX,NEL,0,1,NALBP,
1 MAT,VOL,GAMMA(1,IGR),SGD)
ENDIF
120 CONTINUE
ENDIF
130 CONTINUE
*----
* SCRATCH STORAGE DEALLOCATION
*----
DEALLOCATE(IJJ,NJJ,IPOS)
DEALLOCATE(GAMMA,SGD,WORK,CHI,ZUFIS)
RETURN
END
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