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*DECK KINSRC
SUBROUTINE KINSRC(IPTRK,IPSYS,CMOD,IMPX,IFL,IPR,IEXP,NGR,NBM,
1 NBFIS,NDG,ITY,LL4,NUN,NUP,PDC,TTF,TTP,DT,ADJ,OVR,CHI,CHD,SGF,
2 SGD,OMEGA,EVECT,PC,SRC)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Compute the space-time kinetics source for a known neutron flux.
*
*Copyright:
* Copyright (C) 2010 Ecole Polytechnique de Montreal.
*
*Author(s): A. Hebert
*
*Parameters: input
* IPTRK pointer to L_TRACK object.
* IPSYS pointer to L_SYSTEM object.
* CMOD name of the assembly door (BIVAC or TRIVAC).
* IMPX print parameter (equal to zero for no print).
* IFL integration scheme for fluxes: =1 implicit;
* =2 Crank-Nicholson; =3 theta.
* IPR integration scheme for precursors: =1 implicit;
* =2 Crank-Nicholson; =3 theta; =4 exponential.
* IEXP exponential transformation flag (=1 to activate).
* NGR number of energy groups.
* NBM number of material mixtures.
* NBFIS number of fissile isotopes.
* NDG number of delayed-neutron groups.
* ITY type of solution: =1: classical Bivac/diffusion;
* =2: classical Trivac/diffusion; =3 Raviart-Thomas in
* Trivac/diffusion; =11: Bivac/SPN; =13 Trivac/SPN.
* LL4 order of the system matrices.
* NUN total number of unknowns per energy group.
* NUP total number of precursor unknowns per precursor group.
* PDC precursor decay constants.
* TTF value of theta-parameter for fluxes.
* TTP value of theta-parameter for precursors.
* DT current time increment.
* ADJ flag for adjoint space-time kinetics calculation
* OVR reciprocal neutron velocities/DT.
* CHI steady-state fission spectrum.
* CHD delayed fission spectrum
* SGF nu*fission macroscopic x-sections/keff.
* SGD delayed nu*fission macroscopic x-sections/keff.
* OMEGA exponential transformation parameter.
* EVECT neutron flux.
* PC precursor concentrations.
*
*Parameters: output
* SRC space-time kinetics source.
*
*-----------------------------------------------------------------------
*
USE GANLIB
*----
* SUBROUTINE ARGUMENTS
*----
TYPE(C_PTR) IPTRK,IPSYS
INTEGER IMPX,IFL,IPR,IEXP,NGR,NBM,NBFIS,NDG,ITY,LL4,NUN,NUP
REAL PDC(NDG),TTF,TTP,DT,OVR(NBM,NGR),CHI(NBM,NBFIS,NGR),
1 CHD(NBM,NBFIS,NGR,NDG),SGF(NBM,NBFIS,NGR),SGD(NBM,NBFIS,NGR,NDG),
2 OMEGA(NBM,NGR),EVECT(NUN,NGR),PC(NUP,NDG,NBFIS)
DOUBLE PRECISION SRC(NUN,NGR)
CHARACTER CMOD*12
LOGICAL ADJ
*----
* LOCAL VARIABLES
*----
PARAMETER(IOS=6)
DOUBLE PRECISION DTF,DTP,DARG,DK,DSM
LOGICAL LFIS
CHARACTER TEXT12*12
REAL, DIMENSION(:), ALLOCATABLE :: WORK1,WORK2,CHEXP
REAL, DIMENSION(:), POINTER :: AGAR
TYPE(C_PTR) AGAR_PTR
*----
* SCRATCH STORAGE ALLOCATION
*----
ALLOCATE(WORK1(LL4),WORK2(NBM),CHEXP(NBM))
*
DTF=9999.0D0
DTP=9999.0D0
IF(IFL.EQ.1)THEN
DTF=1.0D0
ELSEIF(IFL.EQ.2)THEN
DTF=0.5D0
ELSEIF(IFL.EQ.3)THEN
DTF=DBLE(TTF)
ENDIF
IF(IPR.EQ.2)THEN
DTP=0.5D0
ELSEIF(IPR.EQ.3)THEN
DTP=DBLE(TTP)
ENDIF
*
IF(IMPX.GT.0) WRITE(IOS,1001) CMOD
SRC(:NUN,:NGR)=0.0D0
DO 200 IGR=1,NGR
WRITE(TEXT12,'(1HA,2I3.3)') IGR,IGR
CALL MTLDLM(TEXT12,IPTRK,IPSYS,LL4,ITY,EVECT(1,IGR),WORK1)
DO 10 IND=1,LL4
SRC(IND,IGR)=-(1.0D0-DTF)*WORK1(IND)
10 CONTINUE
DO 40 JGR=1,NGR
IF(JGR.EQ.IGR) GO TO 40
IF(.NOT.ADJ) THEN
WRITE(TEXT12,'(1HA,2I3.3)') IGR,JGR
ELSE
WRITE(TEXT12,'(1HA,2I3.3)') JGR,IGR
ENDIF
CALL LCMLEN(IPSYS,TEXT12,ILONG,ITYLCM)
IF(ILONG.EQ.0) GO TO 40
IF((CMOD.EQ.'BIVAC').OR.(ITY.EQ.13))THEN
CALL MTLDLM(TEXT12,IPTRK,IPSYS,LL4,ITY,EVECT(1,JGR),WORK1)
DO 20 IND=1,LL4
SRC(IND,IGR)=SRC(IND,IGR)+(1.0D0-DTF)*WORK1(IND)
20 CONTINUE
ELSEIF(CMOD.EQ.'TRIVAC')THEN
CALL LCMGPD(IPSYS,TEXT12,AGAR_PTR)
CALL C_F_POINTER(AGAR_PTR,AGAR,(/ ILONG /))
DO 30 IND=1,ILONG
SRC(IND,IGR)=SRC(IND,IGR)+(1.0D0-DTF)*AGAR(IND)*EVECT(IND,JGR)
30 CONTINUE
ENDIF
40 CONTINUE
*----
* PRECURSOR CONTRIBUTION
*----
DO 180 IFIS=1,NBFIS
DO 90 IDG=1,NDG
DARG=PDC(IDG)*DT
IF(IPR.EQ.1)THEN
DK=1.0D0/(1.0D0+DARG)
ELSEIF(IPR.EQ.4)THEN
DK=DEXP(-DARG)
ELSE
DK=(1.0D0-(1.0D0-DTP)*DARG)/(1.0D0+DTP*DARG)
ENDIF
DSM=1.0D0-DTF+DTF*DK
LFIS=.FALSE.
DO 50 IBM=1,NBM
LFIS=LFIS.OR.(CHD(IBM,IFIS,IGR,IDG).NE.0.0)
50 CONTINUE
IF(LFIS) THEN
IF(.NOT.ADJ) THEN
DO 60 IBM=1,NBM
IF(IEXP.EQ.0) THEN
CHEXP(IBM)=CHD(IBM,IFIS,IGR,IDG)
ELSE
* exponential transformation
CHEXP(IBM)=CHD(IBM,IFIS,IGR,IDG)*EXP(-OMEGA(IBM,IGR)*DT)
ENDIF
60 CONTINUE
ELSE
DO 70 IBM=1,NBM
IF(IEXP.EQ.0) THEN
CHEXP(IBM)=SGD(IBM,IFIS,IGR,IDG)
ELSE
* exponential transformation
CHEXP(IBM)=SGD(IBM,IFIS,IGR,IDG)*EXP(-OMEGA(IBM,IGR)*DT)
ENDIF
70 CONTINUE
ENDIF
IF(CMOD.EQ.'BIVAC')THEN
CALL KINBLM(IPTRK,NBM,LL4,CHEXP(1),PC(1,IDG,IFIS),WORK1)
ELSEIF(CMOD.EQ.'TRIVAC')THEN
CALL KINTLM(IPTRK,NBM,LL4,CHEXP(1),PC(1,IDG,IFIS),WORK1)
ENDIF
DO 80 IND=1,LL4
SRC(IND,IGR)=SRC(IND,IGR)+PDC(IDG)*DSM*WORK1(IND)
80 CONTINUE
ENDIF
90 CONTINUE
*----
* FISSION CONTRIBUTION
*----
DO 170 JGR=1,NGR
IF(.NOT.ADJ) THEN
DO 100 IBM=1,NBM
WORK2(IBM)=CHI(IBM,IFIS,IGR)*SGF(IBM,IFIS,JGR)
100 CONTINUE
ELSE
DO 110 IBM=1,NBM
WORK2(IBM)=CHI(IBM,IFIS,JGR)*SGF(IBM,IFIS,IGR)
110 CONTINUE
ENDIF
IF(CMOD.EQ.'BIVAC')THEN
CALL KINBLM(IPTRK,NBM,LL4,WORK2(1),EVECT(1,JGR),WORK1)
ELSEIF(CMOD.EQ.'TRIVAC')THEN
CALL KINTLM(IPTRK,NBM,LL4,WORK2(1),EVECT(1,JGR),WORK1)
ENDIF
DO 120 IND=1,LL4
SRC(IND,IGR)=SRC(IND,IGR)+(1.0D0-DTF)*WORK1(IND)
120 CONTINUE
DO 160 IDG=1,NDG
DARG=PDC(IDG)*DT
IF(IPR.EQ.1)THEN
DK=0.0D0
ELSEIF(IPR.EQ.4)THEN
DK=(1.0D0-DEXP(-DARG))/DARG-DEXP(-DARG)
ELSE
DK=(1.0D0-DTP)*DARG/(1.0D0+DTP*DARG)
ENDIF
DSM=1.0D0-DTF-DTF*DK
IF(.NOT.ADJ) THEN
DO 130 IBM=1,NBM
WORK2(IBM)=CHD(IBM,IFIS,IGR,IDG)*SGD(IBM,IFIS,JGR,IDG)
130 CONTINUE
ELSE
DO 140 IBM=1,NBM
WORK2(IBM)=CHD(IBM,IFIS,JGR,IDG)*SGD(IBM,IFIS,IGR,IDG)
140 CONTINUE
ENDIF
IF(CMOD.EQ.'BIVAC')THEN
CALL KINBLM(IPTRK,NBM,LL4,WORK2(1),EVECT(1,JGR),WORK1)
ELSEIF(CMOD.EQ.'TRIVAC')THEN
CALL KINTLM(IPTRK,NBM,LL4,WORK2(1),EVECT(1,JGR),WORK1)
ENDIF
DO 150 IND=1,LL4
SRC(IND,IGR)=SRC(IND,IGR)-DSM*WORK1(IND)
150 CONTINUE
160 CONTINUE
170 CONTINUE
180 CONTINUE
*----
* 1/V CONTRIBUTION
*----
IF(CMOD.EQ.'BIVAC')THEN
CALL KINBLM(IPTRK,NBM,LL4,OVR(1,IGR),EVECT(1,IGR),WORK1)
ELSEIF(CMOD.EQ.'TRIVAC')THEN
CALL KINTLM(IPTRK,NBM,LL4,OVR(1,IGR),EVECT(1,IGR),WORK1)
ENDIF
DO 190 IND=1,LL4
SRC(IND,IGR)=SRC(IND,IGR)+WORK1(IND)
190 CONTINUE
200 CONTINUE
*----
* EDITION
*----
IF(IMPX.GT.5) THEN
WRITE(IOS,1002)
DO 210 IGR=1,NGR
WRITE(IOS,1003) IGR,(SRC(IND,IGR),IND=1,LL4)
210 CONTINUE
ENDIF
*----
* SCRATCH STORAGE DEALLOCATION
*----
DEALLOCATE(CHEXP,WORK2,WORK1)
RETURN
*
1001 FORMAT(/1X,'COMPUTING THE SPACE-TIME KINETICS SOURCE VECTOR',
1 1X,'ACCORDING TO THE TRACKING TYPE: ',A6/)
1002 FORMAT(/1X,'=> COMPUTED SPACE-TIME KINETICS SOURCE VECTOR')
1003 FORMAT(/15H NEUTRON GROUP=,I5/(1P,8D14.5))
END
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