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*DECK NSSF
SUBROUTINE NSSF(NENTRY,HENTRY,IENTRY,JENTRY,KENTRY)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Flux solution for a nodal method (NEM or ANM).
*
*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/output
* NENTRY number of LCM objects or files used by the operator.
* HENTRY name of each LCM object or file:
* HENTRY(1): create type(L_FLUX) nodal flux;
* HENTRY(2): read-only type(L_TRACK) nodal tracking;
* HENTRY(3): read-only type(L_MACROLIB) nodal macrolib.
* IENTRY type of each LCM object or file:
* =1 LCM memory object; =2 XSM file; =3 sequential binary file;
* =4 sequential ascii file.
* JENTRY access of each LCM object or file:
* =0 the LCM object or file is created;
* =1 the LCM object or file is open for modifications;
* =2 the LCM object or file is open in read-only mode.
* KENTRY LCM object address or file unit number.
*
*-----------------------------------------------------------------------
*
USE GANLIB
*----
* SUBROUTINE ARGUMENTS
*----
INTEGER NENTRY,IENTRY(NENTRY),JENTRY(NENTRY)
TYPE(C_PTR) KENTRY(NENTRY)
CHARACTER HENTRY(NENTRY)*12
*----
* LOCAL VARIABLES
*----
PARAMETER (NSTATE=40)
TYPE(C_PTR) IPFLX,IPTRK,IPMAC
CHARACTER HSIGN*12,TEXT4*4,TEXT12*12,HSMG*131,BNDTL*12
LOGICAL LNODF
INTEGER ISTATE(NSTATE)
REAL REALIR
DOUBLE PRECISION DBLLIR
INTEGER, ALLOCATABLE, DIMENSION(:,:) :: ITRIAL
*----
* PARAMETER VALIDATION.
*----
IF(NENTRY.NE.3) CALL XABORT('NSSF: 3 PARAMETERS EXPECTED.')
IF((IENTRY(1).NE.1).AND.(IENTRY(1).NE.2)) CALL XABORT('NSSF: LCM'
1 //' OBJECT EXPECTED AT LHS.')
DO IEN=2,3
IF((IENTRY(IEN).NE.1).AND.(IENTRY(IEN).NE.2)) CALL XABORT('NSS'
1 //'F: LCM OBJECT EXPECTED AT LHS.')
IF(JENTRY(IEN).NE.2) CALL XABORT('NSSF: ENTRY IN READ-ONLY MOD'
1 //'E EXPECTED.')
CALL LCMGTC(KENTRY(IEN),'SIGNATURE',12,HSIGN)
TEXT12=HENTRY(IEN)
IF(IEN.EQ.2) THEN
IF(HSIGN.NE.'L_TRACK') THEN
CALL XABORT('NSSF: SIGNATURE OF '//TEXT12//' IS '//HSIGN//
1 '. L_TRACK EXPECTED.')
ENDIF
IPTRK=KENTRY(2)
CALL LCMPTC(KENTRY(1),'LINK.TRACK',12,HENTRY(2))
ELSE IF(IEN.EQ.3) THEN
IF(HSIGN.NE.'L_MACROLIB') THEN
CALL XABORT('NSSF: SIGNATURE OF '//TEXT12//' IS '//HSIGN//
1 '. L_MACROLIB EXPECTED.')
ENDIF
IPMAC=KENTRY(3)
CALL LCMPTC(KENTRY(1),'LINK.MACRO',12,HENTRY(3))
ENDIF
ENDDO
CALL LCMGTC(IPTRK,'TRACK-TYPE',12,TEXT12)
IF(TEXT12.NE.'TRIVAC') CALL XABORT('NSSF: TRIVAC TRACKING EXPECT'
1 //'ED.')
*----
* PROCESS MACROLIB AND TRACKING.
*----
CALL LCMGET(IPTRK,'STATE-VECTOR',ISTATE)
NEL=ISTATE(1)
NUN=ISTATE(2)
NMIX=ISTATE(4)
NADI=ISTATE(33)
IGMAX=ISTATE(39)
ICHX=ISTATE(12)
IF((ICHX.LT.4).OR.(ICHX.GT.6)) THEN
CALL XABORT('NSSF: CMFD, NEM OR ANM DISCRETIZATION EXPECTED.')
ENDIF
IF(ISTATE(6).EQ.2) THEN
IDIM=1
ELSE IF((ISTATE(6).EQ.5).AND.(ICHX.EQ.6)) THEN
IDIM=2
ELSE IF((ISTATE(6).EQ.7).AND.(ICHX.EQ.6)) THEN
IDIM=3
ELSE
CALL XABORT('NSSF: 1D SLAB/2D-3D CARTESIAN GEOMETRY EXPECTED.')
ENDIF
IF(ISTATE(38).NE.0) CALL XABORT('NSSF: LUMP OPTION FORBIDDEN.')
CALL LCMGET(IPMAC,'STATE-VECTOR',ISTATE)
NG=ISTATE(1)
IF(ISTATE(2).NE.NMIX) THEN
WRITE(HSMG,'(39HNSSF: INVALID NUMBER OF MIXTURES (GEOM=,I5,
1 10H MACROLIB=,I5,2H).)') NMIX,ISTATE(2)
CALL XABORT(HSMG)
ENDIF
*----
* CREATE OR RECOVER THE FLUX.
*----
IPFLX=KENTRY(1)
IF(JENTRY(1).EQ.0) THEN
HSIGN='L_FLUX'
CALL LCMPTC(IPFLX,'SIGNATURE',12,HSIGN)
ELSE IF(JENTRY(1).EQ.1) THEN
CALL LCMGTC(IPFLX,'SIGNATURE',12,HSIGN)
TEXT12=HENTRY(IEN)
IF(HSIGN.NE.'L_FLUX') THEN
CALL XABORT('NSSF: SIGNATURE OF '//TEXT12//' IS '//HSIGN//
1 '. L_FLUX EXPECTED.')
ENDIF
CALL LCMGET(IPFLX,'STATE-VECTOR',ISTATE)
IF(ISTATE(1).NE.NG) THEN
WRITE(HSMG,'(41HNSSF: INVALID NUMBER OF GROUPS (MACROLIB=,I5,
1 6H FLUX=,I5,2H).)') NG,ISTATE(1)
CALL XABORT(HSMG)
ELSE IF(ISTATE(2).NE.NUN) THEN
WRITE(HSMG,'(43HNSSF: INVALID NUMBER OF UNKNOWNS (TRACKING=,
1 I10,6H FLUX=,I10,2H).)') NUN,ISTATE(2)
CALL XABORT(HSMG)
ENDIF
ELSE
CALL XABORT('NSSF: FLUX IN CREATE OR MODIFICATION MODE EXPECTE'
1 //'D.')
ENDIF
*---
* READ DATA
*---
ALLOCATE(ITRIAL(NMIX,NG))
IPRINT=1
ICL1=3
ICL2=3
MAXNOD=300
MAXTHR=0
MAXOUT=100
EPSNOD=1.0E-6
EPSTHR=1.0E-6
EPSOUT=1.0E-5
LNODF=.FALSE.
BB2=0.0
BNDTL='quadratic'
NPASS=3
ITRIAL(:,:)=1
10 CALL REDGET(ITYPLU,INTLIR,REALIR,TEXT4,DBLLIR)
IF(ITYPLU.EQ.10) GO TO 100
20 IF(ITYPLU.NE.3) CALL XABORT('NSSF: READ ERROR - CHARACTER VARIAB'
> //'LE EXPECTED')
IF(TEXT4.EQ.';') THEN
GO TO 100
ELSE IF(TEXT4.EQ.'EDIT') THEN
CALL REDGET(ITYPLU,IPRINT,REALIR,TEXT4,DBLLIR)
IF(ITYPLU.NE.1) CALL XABORT('NSSF: INTEGER DATA EXPECTED(1).')
ELSE IF((TEXT4.EQ.'VAR1').OR.(TEXT4.EQ.'ACCE')) THEN
CALL REDGET(ITYPLU,ICL1,REALIR,TEXT4,DBLLIR)
IF(ITYPLU.NE.1) CALL XABORT('NSSF: INTEGER DATA EXPECTED(2).')
CALL REDGET(ITYPLU,ICL2,REALIR,TEXT4,DBLLIR)
IF(ITYPLU.NE.1) CALL XABORT('NSSF: INTEGER DATA EXPECTED(3).')
ELSE IF(TEXT4=='ADI') THEN
CALL REDGET(ITYPLU,NADI,REALIR,TEXT4,DBLLIR)
IF(ITYPLU.NE.1) CALL XABORT('NSSF: INTEGER DATA EXPECTED(5).')
ELSE IF(TEXT4=='NUPD') THEN
! maximum number of nodal correction iterations
30 CALL REDGET(ITYPLU,INTLIR,REALIR,TEXT4,DBLLIR)
IF(ITYPLU.EQ.1) THEN
MAXNOD=INTLIR
CALL REDGET(ITYPLU,INTLIR,REALIR,TEXT4,DBLLIR)
IF(ITYPLU.EQ.1) THEN
NPASS=INTLIR
GO TO 30
ENDIF
ELSE IF(ITYPLU.EQ.2) THEN
EPSNOD=REALIR
ELSE
GO TO 20
ENDIF
GO TO 30
ELSE IF(TEXT4=='EXTE') THEN
! maximum number and convergence criterion of Keff iterations
40 CALL REDGET(ITYPLU,INTLIR,REALIR,TEXT4,DBLLIR)
IF(ITYPLU.EQ.1) THEN
MAXOUT=INTLIR
ELSE IF(ITYPLU.EQ.2) THEN
EPSOUT=REALIR
ELSE
GO TO 20
ENDIF
GO TO 40
ELSE IF(TEXT4=='THER') THEN
! maximum number and convergence criterion of thermal iterations
50 CALL REDGET(ITYPLU,INTLIR,REALIR,TEXT4,DBLLIR)
IF(ITYPLU.EQ.1) THEN
MAXTHR=INTLIR
ELSE IF(ITYPLU.EQ.2) THEN
EPSTHR=REALIR
ELSE
GO TO 20
ENDIF
GO TO 50
ELSE IF(TEXT4.EQ.'NODF') THEN
LNODF=.TRUE.
ELSE IF(TEXT4=='LEAK') THEN
CALL REDGET(ITYPLU,INTLIR,REALIR,BNDTL,DBLLIR)
IF(ITYPLU/=3) CALL XABORT('NSSF: READ ERROR - CHARACTER VARIAB'
> //'LE EXPECTED')
IF((BNDTL.NE.'flat').AND.(BNDTL.NE.'quadratic')) THEN
CALL XABORT('NSSF: flat OR quadratic KEYWORD EXPECTED')
ENDIF
ELSE IF(TEXT4.EQ.'BUCK') THEN
CALL REDGET(ITYPLU,INTLIR,BB2,TEXT4,DBLLIR)
IF(ITYPLU.NE.2) CALL XABORT('NSSF: READ ERROR - REAL VARIABLE '
> //'EXPECTED')
ELSE
CALL XABORT('NSSF: ILLEGAL KEYWORD '//TEXT4)
ENDIF
GO TO 10
100 IF(IGMAX.GT.NG) CALL XABORT('NSSF: IGMAX>NG.')
IF(IPRINT.GT.0) THEN
WRITE(6,'(/47H NSSF: number of transverse current iterations=,
> I3)') NPASS
ENDIF
IF(IGMAX.GT.0) ITRIAL(:NMIX,IGMAX:NG)=2
CALL NSSDRV(IPTRK,IPMAC,IPFLX,ICHX,IDIM,NUN,NG,NEL,NMIX,ITRIAL,
> ICL1,ICL2,NADI,EPSNOD,MAXNOD,EPSTHR,MAXTHR,EPSOUT,MAXOUT,LNODF,
> BNDTL,NPASS,BB2,IPRINT)
DEALLOCATE(ITRIAL)
RETURN
END
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