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*DECK GPTGRA
SUBROUTINE GPTGRA(IPTRK,IPSYS,IPFLUP,LADJ,LGAR1,LL4,ITY,NUN,NGRP,
1 ICL1,ICL2,IMPX,NNADI,MAXINR,EPSINR,EVAL,EVECT,ADECT,EASS,SOUR,
2 GAR1,ITER,TKT,TKB,ZNORM,GRAD)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Compute multigroup delta flux in a fixed source eigenvalue iteration.
*
*Copyright:
* Copyright (C) 2019 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 tracking information.
* IPSYS L_SYSTEM pointer to system matrices.
* IPFLUP L_FLUX pointer to the gpt solution
* LADJ flag set to .TRUE. for adjoint solution acceleration.
* LGAR1 flag set to .TRUE. for recomputing GAR1.
* LL4 order of the system matrices.
* ITY type of solution (2: classical Trivac; 3: Thomas-Raviart).
* NUN number of unknowns in each energy group.
* NGRP number of energy groups.
* ICL1 number of free up-scattering iterations in one cycle of the
* inverse power method.
* ICL2 number of accelerated up-scattering iterations in one cycle.
* IMPX print parameter (set to 0 for no printing).
* NNADI number of inner ADI iterations per outer iteration.
* MAXINR maximum number of thermal iterations.
* EPSINR thermal iteration epsilon.
* EVAL eigenvalue.
* EVECT unknown vector for the non perturbed direct flux
* ADECT unknown vector for the non perturbed adjoint flux
* EASS solution of the fixed source eigenvalue problem
* SOUR fixed source
* GAR1 delta flux for this iteration before Hotelling deflation.
*
*Parameters: input/output
* ITER actual number of thermal iterations.
* TKT CPU time spent to compute the solution of linear systems.
* TKB CPU time spent to compute the bilinear products.
* ZNORM Hotelling deflation accuracy.
* GRAD delta flux for this iteration.
*
*-----------------------------------------------------------------------
*
USE GANLIB
*----
* SUBROUTINE ARGUMENTS
*----
TYPE(C_PTR) IPTRK,IPSYS,IPFLUP
LOGICAL LADJ,LGAR1
INTEGER LL4,ITY,NUN,NGRP,ICL1,ICL2,IMPX,NNADI,MAXINR,ITER
REAL EPSINR,EVECT(NUN,NGRP),ADECT(NUN,NGRP),EASS(NUN,NGRP),
1 SOUR(NUN,NGRP),GAR1(NUN,NGRP),TKT,TKB,GRAD(NUN,NGRP)
DOUBLE PRECISION EVAL,ZNORM
*----
* LOCAL VARIABLES
*----
CHARACTER*12 TEXT12
DOUBLE PRECISION DDELN1,DDELD1
REAL, DIMENSION(:), ALLOCATABLE :: WORK1,WORK3
REAL, DIMENSION(:), POINTER :: AGAR
TYPE(C_PTR) AGAR_PTR
*----
* SCRATCH STORAGE ALLOCATION
*----
ALLOCATE(WORK1(NUN))
*
IF(LADJ) THEN
CALL KDRCPU(TK1)
* ADJOINT SOLUTION
IF(LGAR1) THEN
DO 55 IGR=1,NGRP
WRITE(TEXT12,'(1HA,2I3.3)') IGR,IGR
CALL MTLDLM(TEXT12,IPTRK,IPSYS,LL4,ITY,EASS(1,IGR),
1 GAR1(1,IGR))
DO 50 JGR=1,NGRP
IF(JGR.EQ.IGR) GO TO 30
WRITE(TEXT12,'(1HA,2I3.3)') JGR,IGR
CALL LCMLEN(IPSYS,TEXT12,ILONG,ITYLCM)
IF(ILONG.EQ.0) GO TO 30
IF(ITY.EQ.13) THEN
ALLOCATE(WORK3(LL4))
CALL MTLDLM(TEXT12,IPTRK,IPSYS,LL4,ITY,EASS(1,JGR),
1 WORK3(1))
DO 10 I=1,LL4
GAR1(I,IGR)=GAR1(I,IGR)-WORK3(I)
10 CONTINUE
DEALLOCATE(WORK3)
ELSE
CALL LCMGPD(IPSYS,TEXT12,AGAR_PTR)
CALL C_F_POINTER(AGAR_PTR,AGAR,(/ NUN /))
DO 20 I=1,ILONG
GAR1(I,IGR)=GAR1(I,IGR)-AGAR(I)*EASS(I,JGR)
20 CONTINUE
ENDIF
30 WRITE(TEXT12,'(1HB,2I3.3)') JGR,IGR
CALL LCMLEN(IPSYS,TEXT12,ILONG,ITYLCM)
IF(ILONG.EQ.0) GO TO 50
CALL LCMGPD(IPSYS,TEXT12,AGAR_PTR)
CALL C_F_POINTER(AGAR_PTR,AGAR,(/ NUN /))
DO 40 I=1,ILONG
GAR1(I,IGR)=GAR1(I,IGR)-REAL(EVAL)*AGAR(I)*EASS(I,JGR)
40 CONTINUE
50 CONTINUE
55 CONTINUE
ENDIF
*----
* DIRECTION EVALUATION.
*----
DO 100 IGR=NGRP,1,-1
DO 60 I=1,LL4
GRAD(I,IGR)=-SOUR(I,IGR)-GAR1(I,IGR)
60 CONTINUE
DO 90 JGR=NGRP,IGR+1,-1
WRITE(TEXT12,'(1HA,2I3.3)') JGR,IGR
CALL LCMLEN(IPSYS,TEXT12,ILONG,ITYLCM)
IF(ILONG.EQ.0) GO TO 90
IF(ITY.EQ.13) THEN
CALL MTLDLM(TEXT12,IPTRK,IPSYS,LL4,ITY,GRAD(1,JGR),WORK1(1))
DO 70 I=1,LL4
GRAD(I,IGR)=GRAD(I,IGR)+WORK1(I)
70 CONTINUE
ELSE
CALL LCMGPD(IPSYS,TEXT12,AGAR_PTR)
CALL C_F_POINTER(AGAR_PTR,AGAR,(/ NUN /))
DO 80 I=1,ILONG
GRAD(I,IGR)=GRAD(I,IGR)+AGAR(I)*GRAD(I,JGR)
80 CONTINUE
ENDIF
90 CONTINUE
*
WRITE(TEXT12,'(1HA,2I3.3)') IGR,IGR
CALL FLDADI(TEXT12,IPTRK,IPSYS,LL4,ITY,GRAD(1,IGR),NNADI)
100 CONTINUE
CALL KDRCPU(TK2)
TKB=TKB+(TK2-TK1)
*----
* PERFORM THERMAL (UP-SCATTERING) ITERATIONS
*----
ITER=1
IF(MAXINR.GT.1) THEN
CALL FLDTHR(IPTRK,IPSYS,IPFLUP,.TRUE.,LL4,ITY,NUN,NGRP,
1 ICL1,ICL2,IMPX,NNADI,0,MAXINR,EPSINR,ITER,TKT,TKB,GRAD)
ENDIF
*----
* HOTELLING DEFLATION.
*----
CALL KDRCPU(TK1)
DDELN1=0.0D0
DDELD1=0.0D0
DO 135 IGR=1,NGRP
WORK1(:LL4)=0.0
DO 120 JGR=1,NGRP
WRITE(TEXT12,'(1HB,2I3.3)') IGR,JGR
CALL LCMLEN(IPSYS,TEXT12,ILONG,ITYLCM)
IF(ILONG.EQ.0) GO TO 120
CALL LCMGPD(IPSYS,TEXT12,AGAR_PTR)
CALL C_F_POINTER(AGAR_PTR,AGAR,(/ NUN /))
DO 110 I=1,ILONG
WORK1(I)=WORK1(I)+AGAR(I)*EVECT(I,JGR)
110 CONTINUE
120 CONTINUE
DO 130 I=1,LL4
DDELN1=DDELN1+WORK1(I)*EASS(I,IGR)
DDELD1=DDELD1+WORK1(I)*ADECT(I,IGR)
130 CONTINUE
135 CONTINUE
ZNORM=DDELN1/DDELD1
DO 145 IGR=1,NGRP
DO 140 I=1,LL4
GRAD(I,IGR)=GRAD(I,IGR)-REAL(ZNORM)*ADECT(I,IGR)
140 CONTINUE
145 CONTINUE
CALL KDRCPU(TK2)
TKB=TKB+(TK2-TK1)
ELSE
CALL KDRCPU(TK1)
* DIRECT SOLUTION
IF(LGAR1) THEN
DO 195 IGR=1,NGRP
WRITE(TEXT12,'(1HA,2I3.3)') IGR,IGR
CALL MTLDLM(TEXT12,IPTRK,IPSYS,LL4,ITY,EASS(1,IGR),
1 GAR1(1,IGR))
DO 190 JGR=1,NGRP
IF(JGR.EQ.IGR) GO TO 170
WRITE(TEXT12,'(1HA,2I3.3)') IGR,JGR
CALL LCMLEN(IPSYS,TEXT12,ILONG,ITYLCM)
IF(ILONG.EQ.0) GO TO 170
IF(ITY.EQ.13) THEN
ALLOCATE(WORK3(LL4))
CALL MTLDLM(TEXT12,IPTRK,IPSYS,LL4,ITY,EASS(1,JGR),
1 WORK3(1))
DO 150 I=1,LL4
GAR1(I,IGR)=GAR1(I,IGR)-WORK3(I)
150 CONTINUE
DEALLOCATE(WORK3)
ELSE
CALL LCMGPD(IPSYS,TEXT12,AGAR_PTR)
CALL C_F_POINTER(AGAR_PTR,AGAR,(/ NUN /))
DO 160 I=1,ILONG
GAR1(I,IGR)=GAR1(I,IGR)-AGAR(I)*EASS(I,JGR)
160 CONTINUE
ENDIF
170 WRITE(TEXT12,'(1HB,2I3.3)') IGR,JGR
CALL LCMLEN(IPSYS,TEXT12,ILONG,ITYLCM)
IF(ILONG.EQ.0) GO TO 190
CALL LCMGPD(IPSYS,TEXT12,AGAR_PTR)
CALL C_F_POINTER(AGAR_PTR,AGAR,(/ NUN /))
DO 180 I=1,ILONG
GAR1(I,IGR)=GAR1(I,IGR)-REAL(EVAL)*AGAR(I)*EASS(I,JGR)
180 CONTINUE
190 CONTINUE
195 CONTINUE
ENDIF
*----
* DIRECTION EVALUATION.
*----
DO 240 IGR=1,NGRP
DO 200 I=1,LL4
GRAD(I,IGR)=-SOUR(I,IGR)-GAR1(I,IGR)
200 CONTINUE
DO 230 JGR=1,IGR-1
WRITE(TEXT12,'(1HA,2I3.3)') IGR,JGR
CALL LCMLEN(IPSYS,TEXT12,ILONG,ITYLCM)
IF(ILONG.EQ.0) GO TO 230
IF(ITY.EQ.13) THEN
CALL MTLDLM(TEXT12,IPTRK,IPSYS,LL4,ITY,GRAD(1,JGR),WORK1(1))
DO 210 I=1,LL4
GRAD(I,IGR)=GRAD(I,IGR)+WORK1(I)
210 CONTINUE
ELSE
CALL LCMGPD(IPSYS,TEXT12,AGAR_PTR)
CALL C_F_POINTER(AGAR_PTR,AGAR,(/ NUN /))
DO 220 I=1,ILONG
GRAD(I,IGR)=GRAD(I,IGR)+AGAR(I)*GRAD(I,JGR)
220 CONTINUE
ENDIF
230 CONTINUE
*
WRITE(TEXT12,'(1HA,2I3.3)') IGR,IGR
CALL FLDADI(TEXT12,IPTRK,IPSYS,LL4,ITY,GRAD(1,IGR),NNADI)
240 CONTINUE
CALL KDRCPU(TK2)
TKB=TKB+(TK2-TK1)
*----
* PERFORM THERMAL (UP-SCATTERING) ITERATIONS
*----
ITER=1
IF(MAXINR.GT.1) THEN
CALL FLDTHR(IPTRK,IPSYS,IPFLUP,.FALSE.,LL4,ITY,NUN,NGRP,
1 ICL1,ICL2,IMPX,NNADI,0,MAXINR,EPSINR,ITER,TKT,TKB,GRAD)
ENDIF
*----
* HOTELLING DEFLATION.
*----
CALL KDRCPU(TK1)
DDELN1=0.0D0
DDELD1=0.0D0
DO 275 IGR=1,NGRP
WORK1(:LL4)=0.0
DO 260 JGR=1,NGRP
WRITE(TEXT12,'(1HB,2I3.3)') JGR,IGR
CALL LCMLEN(IPSYS,TEXT12,ILONG,ITYLCM)
IF(ILONG.EQ.0) GO TO 260
CALL LCMGPD(IPSYS,TEXT12,AGAR_PTR)
CALL C_F_POINTER(AGAR_PTR,AGAR,(/ NUN /))
DO 250 I=1,ILONG
WORK1(I)=WORK1(I)+AGAR(I)*ADECT(I,JGR)
250 CONTINUE
260 CONTINUE
DO 270 I=1,LL4
DDELN1=DDELN1+WORK1(I)*EASS(I,IGR)
DDELD1=DDELD1+WORK1(I)*EVECT(I,IGR)
270 CONTINUE
275 CONTINUE
ZNORM=DDELN1/DDELD1
DO 285 IGR=1,NGRP
DO 280 I=1,LL4
GRAD(I,IGR)=GRAD(I,IGR)-REAL(ZNORM)*EVECT(I,IGR)
280 CONTINUE
285 CONTINUE
CALL KDRCPU(TK2)
TKB=TKB+(TK2-TK1)
ENDIF
*----
* SCRATCH STORAGE DEALLOCATION
*----
DEALLOCATE(WORK1)
RETURN
END
|
