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*DECK XELGRD
SUBROUTINE XELGRD( IPGEOM, IPRT, NDIM, NEXTGE, ITURN, DMESHO,
> MAXC, RMESHO, MINDO, MAXDO, ICORDO)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Read the geometric input for a specific type of cell.
*
*Copyright:
* Copyright (C) 1987 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. Roy
*
*Parameters: input
* IPGEOM pointer to the geometry (L_GEOM).
* IPRT intermediate printing level for output.
* NDIM number of dimensions.
* NEXTGE rectangular(0)/circular(1) boundary.
* ITURN turn index for the geometry (from 1 to 16).
* DMESHO dimension of array RMESHO.
*
*Parameters: output
* MAXC number of real meshes to stock in RMESHO.
* RMESHO real mesh values (rect/cyl).
* MINDO min index values for all axes (rect/cyl).
* MAXDO max index values for all axes (rect/cyl).
* ICORDO principal axes direction (X/Y/Z) for meshes.
*
*-----------------------------------------------------------------------
*
USE GANLIB
IMPLICIT NONE
*
* DECLARE DUMMY ARGUMENTS
TYPE(C_PTR) IPGEOM
INTEGER IPRT, NDIM, NEXTGE, ITURN, DMESHO, MAXC
REAL RMESHO(DMESHO)
INTEGER MAXDO(*),MINDO(*),ICORDO(*)
*
* DECLARE LOCAL VARIABLES
INTEGER NSTATE, IOUT, MAXTUR
PARAMETER ( NSTATE=40, IOUT=6, MAXTUR=12 )
REAL RGAR,CENTER(3),DCENT,RMAX
INTEGER ISTATE(NSTATE),ITMIX(2*MAXTUR,3),
> ITXYZ(2*MAXTUR,3),IDCEN,IROT
DOUBLE PRECISION GAR,DEL
CHARACTER TEDATA*12, TEMESH(4)*1, HSMG*131
INTEGER ILEN, ILE2, ITYLCM, IBEGIN, INEW, IOLD,
> I, J, K, ISS, ITYPE, ICI, IDIMEN, ICTYPE
DOUBLE PRECISION PI,PIO2,FACT
PARAMETER ( PI = 3.14159265358979323846D0, PIO2= 0.5D0*PI)
*
* ALLOCATABLE ARRAYS
INTEGER, ALLOCATABLE, DIMENSION(:) :: ISPLT
*
* DATA STATEMENTS
SAVE TEMESH,ITMIX,ITXYZ
DATA TEMESH / 'X','Y','Z','C' /
* 'X'-AXIS AND ITS SIGN
DATA ITMIX / 1,-2,-1, 2,-1, 2, 1,-2, 0, 0, 0, 0,
> 1,-2,-1, 2,-1, 2, 1,-2, 0, 0, 0, 0,
* 'Y'-AXIS AND ITS SIGN
> 2, 1,-2,-1, 2, 1,-2,-1, 0, 0, 0, 0,
> 2, 1,-2,-1, 2, 1,-2,-1, 0, 0, 0, 0,
* 'Z'-AXIS AND ITS SIGN
> 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0,
> -3,-3,-3,-3,-3,-3,-3,-3, 0, 0, 0, 0 /
*
DATA ITXYZ / 1, 2,-1,-2,-1, 2, 1,-2, 0, 0, 0, 0,
> 1, 2,-1,-2,-1, 2, 1,-2, 0, 0, 0, 0,
* 'Y'-AXIS AND ITS SIGN
> 2,-1,-2, 1, 2, 1,-2,-1, 0, 0, 0, 0,
> 2,-1,-2, 1, 2, 1,-2,-1, 0, 0, 0, 0,
* 'Z'-AXIS AND ITS SIGN
> 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0,
> -3,-3,-3,-3,-3,-3,-3,-3, 0, 0, 0, 0 /
*
IF( IPRT.GT.1 )THEN
WRITE(IOUT,'(1H )')
WRITE(IOUT,'(/24H CELL MESHING )')
ENDIF
IF((ITURN.LE.0).OR.(ITURN.GT.24)) THEN
WRITE(HSMG,'(24H XELGRD: INVALID ITURN (,I6,2H).)') ITURN
CALL XABORT(HSMG)
ENDIF
ISTATE(:NSTATE)=0
CALL LCMGET(IPGEOM,'STATE-VECTOR',ISTATE)
ITYPE= ISTATE(1)
RMAX= 0.0
IF( ITYPE.EQ.3 .OR. ITYPE.EQ.6 )THEN
IF( NEXTGE.NE.1 ) CALL XABORT( 'XELGRD: TYPE IS NOT '//
> 'COMPATIBLE WITH CIRCULAR B.C.' )
* GET MAXIMUM RADIUS &
* INSCRIBE CIRCULAR REGION IN A SQUARE MESH WITH VOLUME=SURFACE
TEDATA= 'RADIUS'
CALL LCMLEN(IPGEOM,TEDATA, ILEN, ITYLCM)
IF(ILEN.GT.0) THEN
CALL LCMGET(IPGEOM,TEDATA,RMESHO)
RMAX= RMESHO(ILEN)
ENDIF
ENDIF
IBEGIN = 1
DO 10 I= 1, 3
ICORDO(I)=ITMIX(ITURN,I)
ICI= ABS(ITXYZ(ITURN,I))
MINDO(I)= IBEGIN
IF( NEXTGE.EQ.1.AND.I.LE.2 )THEN
ILEN= 2
FACT= 0.5D0 * DSQRT(PI+PIO2*PIO2)
RMESHO(IBEGIN)= -REAL(FACT)*RMAX
RMESHO(IBEGIN+1)= REAL(FACT)*RMAX
IDIMEN= IBEGIN + 1
ELSE
IF( I.LE.NDIM )THEN
TEDATA= 'MESH'//TEMESH(ICI)
CALL LCMLEN(IPGEOM,TEDATA, ILEN, ITYLCM)
CALL LCMGET(IPGEOM,TEDATA,RMESHO(IBEGIN))
IDIMEN= IBEGIN + ILEN - 1
TEDATA= 'SPLIT'//TEMESH(ICI)
CALL LCMLEN(IPGEOM,TEDATA, ILE2, ITYLCM)
IF( ILE2.NE.0 )THEN
IF( ILE2.NE.ILEN-1 )THEN
CALL XABORT( 'XELGRD: '//TEDATA//' IS INVALID')
ELSE
ALLOCATE(ISPLT(ILE2))
CALL LCMGET(IPGEOM,TEDATA,ISPLT)
INEW=0
DO 5 IOLD= 1,ILE2
INEW= INEW+ ISPLT(IOLD)
5 CONTINUE
K= INEW+1
GAR= DBLE(RMESHO(IDIMEN))
DO 7 IOLD= ILE2,1,-1
DEL= (GAR-DBLE(RMESHO(IBEGIN+IOLD-1)))
> /DBLE(ISPLT(IOLD))
GAR= DBLE(RMESHO(IBEGIN+IOLD-1))
DO 6 ISS= ISPLT(IOLD),1,-1
RMESHO(IBEGIN+K-1)= REAL(GAR+DEL*REAL(ISS))
K=K-1
6 CONTINUE
7 CONTINUE
IDIMEN= IBEGIN + INEW
ILEN= INEW + 1
DEALLOCATE(ISPLT)
ENDIF
ENDIF
IF( ITXYZ(ITURN,I).LT.0 )THEN
DO 3 IOLD= 1,ILEN/2
RGAR= -RMESHO(IBEGIN+IOLD-1)
RMESHO(IBEGIN+IOLD-1)= -RMESHO(IBEGIN+ILEN-IOLD)
RMESHO(IBEGIN+ILEN-IOLD)= RGAR
3 CONTINUE
IF( 2*(ILEN/2).NE.ILEN )THEN
RMESHO(IBEGIN+ILEN/2)= -RMESHO(IBEGIN+ILEN/2)
ENDIF
ENDIF
IF( IPRT.GT.2 )THEN
WRITE(IOUT,'(1H )')
WRITE(IOUT,'(8X,A1,13H-COORDINATES:/(9X,5(1x,F13.6)))')
> TEMESH(I), (RMESHO(J),J=IBEGIN,IDIMEN)
ENDIF
ELSE
ILEN= 2
RMESHO(IBEGIN)= 0.0
RMESHO(IBEGIN+1)= 1.0
IDIMEN= IBEGIN + 1
ENDIF
ENDIF
MAXDO(I)= IDIMEN
IBEGIN= IDIMEN + 1
10 CONTINUE
*
* DETERMINATE COORDINATES OF CENTER
IF( ITYPE.GE.20.OR.NEXTGE.EQ.1 )THEN
IF( NEXTGE.EQ.1 )THEN
ICTYPE= 3
ELSE
ICTYPE= ITYPE-20
IF( ICTYPE.EQ.0 ) ICTYPE= 3
ENDIF
*
* GET OFFCENTER VARIATION
TEDATA= 'OFFCENTER'
CALL LCMLEN(IPGEOM,TEDATA, ILEN, ITYLCM)
IF( ILEN .EQ. 0 )THEN
CENTER(1)=0.0
CENTER(2)=0.0
CENTER(3)=0.0
ELSE
CALL LCMGET(IPGEOM,TEDATA,CENTER)
ENDIF
*
* GET RADIUS, THE FIRST ONE MUST BE 0.0
TEDATA= 'RADIUS'
CALL LCMLEN(IPGEOM,TEDATA, ILEN, ITYLCM)
IF(ILEN.EQ.0) THEN
ILEN=1
RMESHO(IBEGIN+1)=0.0
ELSE
CALL LCMGET(IPGEOM,TEDATA,RMESHO(IBEGIN+1))
ENDIF
IDIMEN= IBEGIN + ILEN
TEDATA= 'SPLITR'
CALL LCMLEN(IPGEOM,TEDATA, ILE2, ITYLCM)
IF( ILE2.NE.0 )THEN
IF( ILE2.NE.ILEN-1 )THEN
CALL XABORT( 'XELGRD: '//TEDATA//' IS INVALID')
ELSE
ALLOCATE(ISPLT(ILE2))
CALL LCMGET(IPGEOM,TEDATA,ISPLT)
INEW=0
DO 15 IOLD= 1,ILE2
INEW= INEW+ ABS(ISPLT(IOLD))
15 CONTINUE
K= INEW+1
GAR= DBLE(RMESHO(IDIMEN))
DO 17 IOLD= ILE2,1,-1
DEL= (GAR-DBLE(RMESHO(IBEGIN+IOLD)))
> /DBLE(ABS(ISPLT(IOLD)))
IF(ISPLT(IOLD).LT.0)THEN
DEL= DEL*(GAR+RMESHO(IBEGIN+IOLD))
ENDIF
GAR= DBLE(RMESHO(IBEGIN+IOLD))
DO 16 ISS= ABS(ISPLT(IOLD)),1,-1
IF( ISPLT(IOLD).GT.0 )THEN
RMESHO(IBEGIN+K)= REAL(GAR+DEL*REAL(ISS))
ELSE
RMESHO(IBEGIN+K)= SQRT(REAL(GAR*GAR+DEL*REAL(ISS)))
ENDIF
K=K-1
16 CONTINUE
17 CONTINUE
IDIMEN= IBEGIN + INEW + 1
DEALLOCATE(ISPLT)
ENDIF
ENDIF
IF( RMESHO(IBEGIN+1).NE.0.0 )THEN
WRITE(IOUT,'(11H ,17HRADII OF ANNULI: /
> (11X,5(1X,F13.6)))')
> (RMESHO(J),J=IBEGIN+1,IDIMEN)
CALL XABORT( 'XELGRD: FIRST RADIUS MUST BE 0.0')
ENDIF
ICORDO(4)= ICTYPE
DO 20 I= 0, 1
IDCEN=MOD(ICTYPE+I,3)+1
IROT=ITXYZ(ITURN,IDCEN)
DCENT=CENTER(ABS(IROT))
IF( IROT .LT. 0 )THEN
DCENT=-DCENT
ENDIF
RMESHO(IBEGIN+I)= 0.5*(RMESHO(MINDO(IDCEN))
> +RMESHO(MAXDO(IDCEN)))+DCENT
20 CONTINUE
MINDO(4)= IBEGIN+2
MAXDO(4)= IDIMEN
IF( IPRT.GT.2 )THEN
WRITE(IOUT,'(1H )')
IF( NEXTGE.EQ.0 )THEN
WRITE(IOUT,'(9H (,A1,1H,,A1,10H)- CENTRE: ,
> 2H (,2(1X,F13.6),1H) )')
> TEMESH(MOD(ICTYPE ,3)+1),
> TEMESH(MOD(ICTYPE+1,3)+1),
> RMESHO(IBEGIN),RMESHO(IBEGIN+1)
ENDIF
IF( NDIM.EQ.3 )THEN
WRITE(IOUT,'(14H ,A1,7H-RADII:/
> (15X,5(1X,F13.6)))')
> TEMESH(ICTYPE),
> (RMESHO(J),J=IBEGIN+2,IDIMEN)
ELSE
WRITE(IOUT,'(24H RADII: /
> (15X,5(1X,F13.6)))')
> (RMESHO(J),J=IBEGIN+2,IDIMEN)
ENDIF
ENDIF
DO 40 J = IBEGIN+2, IDIMEN
RMESHO(J)= RMESHO(J) * RMESHO(J)
40 CONTINUE
ENDIF
MAXC= IDIMEN
*
RETURN
END
|
