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1461 lines
56 KiB
Fortran
1461 lines
56 KiB
Fortran
!IPK LAST UPDATE SEP 23 2015 ADD TESTING FOR CHNAGED ELEMENTS/NODES
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! last update Sept 20 1999
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! Last change: IPK 13 Jan 98 10:05 am
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!ipk last update Nov 18 1997
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!ipk last update Oct 24 1996
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SUBROUTINE REFB
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!
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! Routines to control refinement of elements
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!
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USE BLK1MOD
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INCLUDE 'BFILES.I90'
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! INCLUDE 'BLK1.COM'
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!
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CHARACTER*1 ANS,ANSW(10)
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DATA ANSW/'f','l','s','t','v','n',' ','m',' ','q'/
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!
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! Draw box around selections
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!
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100 CONTINUE
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NHTP=8
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NMESS=0
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NBRR=0
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CALL HEDR
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!
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! Get answer
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!
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!ipk jan98
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210 continue
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call wrtbox(idelv)
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call xyloc(XPT,YPT,ANS,IBOX)
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IF(IRMAIN .EQ. 1) RETURN
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!ipk jan98 add option for deleting elevation on move
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IF(IBOX .EQ. 7 .or. ANS .eq. 'e') THEN
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IDELV=MOD(IDELV+1,2)
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GO TO 210
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ENDIF
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IF(ANS .EQ. 'c') THEN
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if(ibox .eq. 0) go to 210
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ANS=ANSW(IBOX)
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ENDIF
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!
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! Element generation
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!
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IF (ANS .EQ. 'f') THEN
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!
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! Refine elements by four
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!
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IECHG=0
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!IPK MAY03
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ICHG=0
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CALL REFIN(0)
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IRDONE=0
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IF(IRMAIN .EQ. 1) RETURN
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!
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ELSEIF (ANS .EQ. 'l') THEN
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!
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! Refine elements by two long
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!
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IECHG=0
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!IPK MAY03
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ICHG=0
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CALL REFIN(1)
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IRDONE=0
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IF(IRMAIN .EQ. 1) RETURN
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!
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ELSEIF (ANS .EQ. 's') THEN
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!
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! Refine elements by two short
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!
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IECHG=0
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!IPK MAY03
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ICHG=0
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CALL REFIN(2)
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IRDONE=0
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IF(IRMAIN .EQ. 1) RETURN
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!
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!
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ELSEIF (ANS .EQ. 't') THEN
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!
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! Refine elements by splitting quads
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!
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IECHG=0
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!IPK MAY03
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ICHG=0
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CALL REFIN(3)
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IRDONE=0
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IF(IRMAIN .EQ. 1) RETURN
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!
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!
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ELSEIF (ANS .EQ. 'v') THEN
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!
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! Reverse element diagonals for quads
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!
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IECHG=0
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!IPK MAY03
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ICHG=0
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CALL REFIN(4)
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IRDONE=0
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IF(IRMAIN .EQ. 1) RETURN
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!
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ELSEIF (ANS .EQ. 'n') THEN
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!
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! Clean up element refinement
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!
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IECHG=0
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!IPK MAY03
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ICHG=0
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CALL CLENUP(0)
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IRDONE=0
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IF(IRMAIN .EQ. 1) RETURN
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!
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ELSEIF (ANS .EQ. 'm') THEN
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IF(IRMAIN .EQ. 1) RETURN
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!
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! simplify layout
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!
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IECHG=0
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!IPK MAY03
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ICHG=0
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CALL SMFY !
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IRDONE=0
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ELSEIF (ANS .EQ. 'q') THEN
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CALL WRTOUT(0) !
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RETURN
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!
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! Look again
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!
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ENDIF
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GO TO 100
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END
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!
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SUBROUTINE REFIN(ITYPT)
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!
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! Routine to refine elements
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!
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USE BLK1MOD
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! INCLUDE 'BLK1.COM'
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INCLUDE 'TXFRM.COM'
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!IPK MAY02 COMMON /TXFRM/ XS, YS, TXSCAL
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!
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DIMENSION NTRAN(9),IELGB(8)
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CHARACTER*1 IFLAG
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DIST(N1,N2)=SQRT((CORD(N1,1)-CORD(N2,1))**2 &
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& +(CORD(N1,2)-CORD(N2,2))**2)
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!
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ITYP=ITYPT
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IF(NEFL .GT. 0) GO TO 150
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!ipk may94 change so that refine does not change display
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! DO 2 I=1,9
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! IPSW(I)=0
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! 2 CONTINUE
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! IPSW(4)=1
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! CALL PLOTOT
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!ipk may94 end changes
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3 CONTINUE
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NHTP=0
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NMESS=12
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NBRR=3
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CALL HEDR
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!
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! Write out
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!
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NEFL=0
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4 CONTINUE
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IBOX=1
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CALL PROX(XC,YC,NE,XX,YY,IELEM,IFLAG,IESKP,IBOX)
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IF(IRMAIN .EQ. 1) RETURN
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!
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IF (IFLAG .EQ. 'c') THEN
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NEFL=NEFL+1
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NEFLAG(NEFL)=IELEM
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CALL FILLEM(IELEM)
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ELSEIF (IFLAG .EQ. 'U') THEN
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NEFLAG(NEFL)=0
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NEFL=NEFL-1
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CALL PLOTOT(1)
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CALL HEDR
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DO IELEM=1,NEFL
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CALL FILLEM(NEFLAG(IELEM))
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ENDDO
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!
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! ELSEIF(IFLAG .EQ. 'r') THEN
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! CALL PLOTS(0)
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! CALL PLOTOT
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! GO TO 4
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ELSEIF(IFLAG .EQ. 'q' .OR. IFLAG .EQ. 'e') THEN
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GO TO 152
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!
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ELSE
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!IPK JAN98 WRITE(*,*) CHAR(7),CHAR(7)
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ENDIF
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!
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GOTO 4
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!
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!
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150 CONTINUE
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! IPSWO=IPSW
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! IPSW=4
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! CALL PLOTS(0)
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!ipk oct96 DO 151 I=1,9
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!ipk oct96 IPSW(I)=0
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!ipk oct96 151 CONTINUE
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!ipk oct96 IPSW(4)=1
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!ipk nov97 add (1)
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CALL PLOTOT(1)
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! IPSW=IPSWO
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!
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! Define NEF and process elements
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!
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152 CONTINUE
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DO N=1,NE
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DO M=1,8
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NOPSV(N,M)=NOP(N,M)
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ENDDO
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IMATSV(N)=IMAT(N)
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ENDDO
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NPUNDO=0
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NEUNDO=0
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NESAV=NE
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NEFSAV=NENTRY
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IF(NENTRY .GT. 0) THEN
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DO N=1,NENTRY
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DO M=1,3
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NEFSV(N,M)=NEF(N,M)
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ENDDO
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ENDDO
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ENDIF
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ITYPSV=ITYP
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DO 250 NN=1,NEFL
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ITYP=ITYPSV
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N=NEFLAG(NN)
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IF(IMAT(N) .GT. 900 .AND. IMAT(N) .LT. 904) GO TO 250
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! IF(IMAT(N) .EQ. 999) ITYP=1
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NCN=NCORN(N)
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!
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! Split a one-dimensional element in two
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!
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IF(NCN .EQ. 3) THEN
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N1=NOP(N,1)
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N2=NOP(N,2)
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N3=NOP(N,3)
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IF(NOP(N,2) .EQ. 0) THEN
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CALL GETNOD(N2)
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NPUNDO=NPUNDO+1
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NODDEL(NPUNDO)=N2
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ELSEIF(INEW(N2) .EQ. 1) THEN
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GO TO 153
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ENDIF
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CORD(N2,1)=(CORD(N1,1)+CORD(N3,1))/2.
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CORD(N2,2)=(CORD(N1,2)+CORD(N3,2))/2.
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IF(LOCK(N1) .EQ. 1 .AND. LOCK(N3) .EQ. 1) LOCK(N2)=1
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XUSR(N2) = CORD(N2,1)*TXSCAL - XS
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YUSR(N2) = CORD(N2,2)*TXSCAL - YS
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INEW(N2) = 1
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INSKP(N2) =0
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153 CALL GETELM(NEM)
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NEUNDO=NEUNDO+1
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IELDEL(NEUNDO)=NEM
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NOP(NEM,3)=N3
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NOP(N,2)=0
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NOP(N,3)=N2
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NOP(NEM,1)=N2
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NOP(NEM,2)=0.
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NOP(NEM,3)=N3
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IMAT(NEM)=IMAT(N)
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IESKP(NEM)=0
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NCORN(NEM)=3
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!ipk jan98
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IF(IDELV .EQ. 1) then
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WD(N2)=-9999.
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WIDTH(N2)=0.
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SS1(N2)=0.
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SS2(N2)=0.
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WIDS(N2)=0.
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ELSE
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WD(N2)=(WD(N1)+WD(N3))/2.
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WIDTH(N2)=(WIDTH(N1)+WIDTH(N3))/2.
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SS1(N2)=(SS1(N1)+SS1(N3))/2.
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SS2(N2)=(SS2(N1)+SS2(N3))/2.
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WIDS(N2)=(WIDS(N1)+WIDS(N3))/2.
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IF(ICRIN .EQ. 23) CALL COMPWGT(0)
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ENDIF
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GO TO 250
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ENDIF
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!
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! Setup for each type of refinement
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!
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!ipk jan08
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IF(ITYP .EQ. 0) THEN
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!
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! Full refinement all nodes are eligible
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!
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! IF(imat(n) .eq. 999) then
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! IELGB(2)=2
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! IELGB(4)=0
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! IELGB(6)=2
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! IELGB(8)=0
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! ELSE
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DO M=2,NCN
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IELGB(M)=1
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ENDDO
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! ENDIF
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ELSEIF(ITYP .EQ. 1 .OR. ITYP .EQ. 2) THEN
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!
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! Setup for long or short side refinement
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!
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IF(ITYP .EQ. 1) THEN
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DISTLL=0.
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DISTL=0.
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ELSE
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DISTLL=-VOID
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DISTL=-VOID
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ENDIF
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!
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! Sort out longest or shortest sides
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!
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DO 165 M=2,NCN,2
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IELGB(M)=0
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N1=NOP(N,M-1)
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N2=MOD(M,NCN)+1
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N2=NOP(N,N2)
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DSEP=DIST(N1,N2)
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IF(ITYP .EQ. 1) THEN
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IF(DISTLL .LT. DSEP) THEN
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! Separation greater DISTLL
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IF(DISTLL .GT. 0.) THEN
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! DISTLL already exists then move it down the line
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DISTL=DISTLL
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NDS=NDSS
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ENDIF
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! Save separation
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DISTLL=DSEP
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NDSS=M
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GO TO 165
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ELSEIF(DISTL .LT. DSEP) THEN
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! 2nd longest
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DISTL=DSEP
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NDS=M
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ENDIF
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ELSE
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IF(DSEP .LT. DISTLL) THEN
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! Separation less than DISTLL
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IF(DISTLL .LT. -VDX) THEN
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! DISTLL already exists then move it up the line
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DISTL=DISTLL
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NDS=NDSS
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ENDIF
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DISTLL=DSEP
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NDSS=M
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GO TO 165
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ELSEIF(DSEP .LT. DISTL) THEN
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! 2nd shortest
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DISTL=DSEP
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NDS=M
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ENDIF
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ENDIF
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165 CONTINUE
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IELGB(NDSS)=2
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IELGB(NDS)=2
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ELSEIF(ITYP .EQ. 3) THEN
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!ipk jan98 IF(NCN .EQ. 8) CALL SPLIT(N)
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IF(NCN .GT. 5) CALL SPLIT(N)
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GO TO 250
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ELSEIF(ITYP .EQ. 4) THEN
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NPL=NEFLAG(NN+1)
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CALL REVERS(N,NPL)
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GO TO 255
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ENDIF
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!
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! Loop through element sides
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!
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DO 200 M=2,NCN,2
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IF(IELGB(M) .EQ. 0) GO TO 200
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N1=NOP(N,M-1)
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N3=MOD(M+1,NCN)
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N3=NOP(N,N3)
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!
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! Search table for N1
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!
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IF(NENTRY .EQ. 0) GO TO 182
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DO 180 J=1,NENTRY
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IF(N1 .EQ. NEF(J,3) .AND. N3 .EQ. NEF(J,1)) THEN
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!
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! We have found match so use this info
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!
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NOP(N,M)=NEF(J,2)
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!
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! For regular ops remove value in NEF(J,1) so that it seems blank and s
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! otherwise set value negative
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IF(IELGB(M) .EQ. 1) THEN
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NEF(J,1)=0
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ELSE
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NEF(J,1)=-NEF(J,1)
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ENDIF
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GO TO 200
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ENDIF
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180 CONTINUE
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182 CONTINUE
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!
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! Define a node, enter it, initialize it, and make entry in NEF
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!
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IF(IMAT(N) .EQ. 999 .AND. (M .EQ. 4 .OR. M .EQ. 8)) GO TO 200
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IF(NOP(N,M) .EQ. 0) THEN
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CALL GETNOD(N2)
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NPUNDO=NPUNDO+1
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NODDEL(NPUNDO)=N2
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NOP(N,M)=N2
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CORD(N2,1)=(CORD(N1,1)+CORD(N3,1))/2.
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CORD(N2,2)=(CORD(N1,2)+CORD(N3,2))/2.
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IF(LOCK(N1) .EQ. 1 .AND. LOCK(N3) .EQ. 1) LOCK(N2)=1
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XUSR(N2) = CORD(N2,1)*TXSCAL - XS
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YUSR(N2) = CORD(N2,2)*TXSCAL - YS
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INEW(N2) = 1
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INSKP(N2) =0
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ELSE
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N2=NOP(N,M)
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IF(INEW(N2) .NE. 1) THEN
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CORD(N2,1)=(CORD(N1,1)+CORD(N3,1))/2.
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CORD(N2,2)=(CORD(N1,2)+CORD(N3,2))/2.
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XUSR(N2) = CORD(N2,1)*TXSCAL - XS
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YUSR(N2) = CORD(N2,2)*TXSCAL - YS
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INEW(N2) = 1
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INSKP(N2) =0
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ENDIF
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ENDIF
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!ipk jan98
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IF(IDELV .EQ. 1) then
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WD(N2)=-9999.
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ELSE
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WD(N2)=(WD(N1)+WD(N3))/2.
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ENDIF
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IF(M .EQ. 2 .AND. IMAT(N) .EQ. 999) THEN
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WIDTH(N2)=(WIDTH(N1)+WIDTH(N3))/2.
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SS1(N2)=(SS1(N1)+SS1(N3))/2.
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SS2(N2)=(SS2(N1)+SS2(N3))/2.
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WIDS(N2)=(WIDS(N1)+WIDS(N3))/2.
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ELSE
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WIDTH(N2)=0.
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SS1(N2)=0.
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SS2(N2)=0.
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WIDS(N2)=0.
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ENDIF
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NENTRY=NENTRY+1
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NEF(NENTRY,1)=N1
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NEF(NENTRY,2)=N2
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NEF(NENTRY,3)=N3
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200 CONTINUE
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IF(ITYP .GT. 0) GO TO 250
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!
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! Copy NOP into temporary NTRAN for processing then delete element
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!
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DO 220 K=1,8
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NTRAN(K)=NOP(N,K)
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NOP(N,K)=0
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220 CONTINUE
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NRMAT=IMAT(N)
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IMAT(N)=0
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IESKP(N)=-1
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NTYP=1
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NELAST= MIN(NELAST,N)
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IF(NCN .EQ. 8) THEN
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IF(NRMAT .EQ. 999) THEN
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IF(NTRAN(2) .EQ. 0) THEN
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CALL GETNOD(N2)
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NPUNDO=NPUNDO+1
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NODDEL(NPUNDO)=N2
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N1=NTRAN(1)
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N3=NTRAN(3)
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CORD(N2,1)=(CORD(N1,1)+CORD(N3,1))/2.
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CORD(N2,2)=(CORD(N1,2)+CORD(N3,2))/2.
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INEW(N2) = 1
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IF(LOCK(N1) .EQ. 1 .AND. LOCK(N3) .EQ. 1) LOCK(N2)=1
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NTRAN(2)=N2
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WD(N2)=(WD(N1)+WD(N3))/2.
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WIDTH(N2)=(WIDTH(N1)+WIDTH(N3))/2.
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SS1(N2)=(SS1(N1)+SS1(N3))/2.
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SS2(N2)=(SS2(N1)+SS2(N3))/2.
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WIDS(N2)=(WIDS(N1)+WIDS(N3))/2.
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ENDIF
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IF(NTRAN(6) .EQ. 0) THEN
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CALL GETNOD(N6)
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NPUNDO=NPUNDO+1
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NODDEL(NPUNDO)=N6
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N5=NTRAN(5)
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N7=NTRAN(7)
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CORD(N6,1)=(CORD(N5,1)+CORD(N7,1))/2.
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CORD(N6,2)=(CORD(N5,2)+CORD(N7,2))/2.
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INEW(N6) = 1
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IF(LOCK(N5) .EQ. 1 .AND. LOCK(N7) .EQ. 1) LOCK(N6)=1
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NTRAN(6)=N6
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WD(N6)=(WD(N5)+WD(N7))/2.
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WIDTH(N6)=(WIDTH(N5)+WIDTH(N7))/2.
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SS1(N6)=(SS1(N5)+SS1(N7))/2.
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SS2(N6)=(SS2(N5)+SS2(N7))/2.
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WIDS(N6)=(WIDS(N5)+WIDS(N7))/2.
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ENDIF
|
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CALL GETELM(NEM)
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NEUNDO=NEUNDO+1
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IELDEL(NEUNDO)=NEM
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NOP(NEM,1)=NTRAN(1)
|
|
NOP(NEM,3)=NTRAN(2)
|
|
NOP(NEM,5)=NTRAN(6)
|
|
NOP(NEM,7)=NTRAN(7)
|
|
IMAT(NEM)=999
|
|
IESKP(NEM)=0
|
|
NCORN(NEM)=8
|
|
CALL GETELM(NEM)
|
|
NEUNDO=NEUNDO+1
|
|
IELDEL(NEUNDO)=NEM
|
|
NOP(NEM,1)=NTRAN(2)
|
|
NOP(NEM,3)=NTRAN(3)
|
|
NOP(NEM,5)=NTRAN(5)
|
|
NOP(NEM,7)=NTRAN(6)
|
|
IMAT(NEM)=999
|
|
IESKP(NEM)=0
|
|
NCORN(NEM)=8
|
|
ELSE
|
|
CALL GETNOD(N2)
|
|
NPUNDO=NPUNDO+1
|
|
NODDEL(NPUNDO)=N2
|
|
CORD(N2,1)=(CORD(NTRAN(1),1)+CORD(NTRAN(3),1) &
|
|
& +CORD(NTRAN(5),1)+CORD(NTRAN(7),1))/4.
|
|
CORD(N2,2)=(CORD(NTRAN(1),2)+CORD(NTRAN(3),2) &
|
|
& +CORD(NTRAN(5),2)+CORD(NTRAN(7),2))/4.
|
|
INEW(N2) = 1
|
|
IF(LOCK(NTRAN(1)) .EQ. 1 .AND. LOCK(NTRAN(3)) .EQ. 1 .AND. &
|
|
& LOCK(NTRAN(5)) .EQ. 1 .AND. LOCK(NTRAN(7)) .EQ. 1) LOCK(N2)=1
|
|
|
|
!ipk jan98
|
|
IF(IDELV .EQ. 1) then
|
|
WD(N2)=-9999.
|
|
ELSE
|
|
WD(N2) =(WD(NTRAN(1))+WD(NTRAN(3)) &
|
|
& +WD(NTRAN(5))+WD(NTRAN(7)))/4.
|
|
ENDIF
|
|
WIDTH(N2)=0.
|
|
SS1(N2)=0.
|
|
SS2(N2)=0.
|
|
WIDS(N2)=0.
|
|
XUSR(N2) = CORD(N2,1)*TXSCAL - XS
|
|
YUSR(N2) = CORD(N2,2)*TXSCAL - YS
|
|
NTRAN(9)=N2
|
|
INSKP(N2)=0
|
|
CALL RGEN(NTRAN,NTYP,NRMAT)
|
|
ENDIF
|
|
ELSE
|
|
CALL TGEN(NTRAN,NTYP,NRMAT)
|
|
ENDIF
|
|
IF(MOD(NN,20) .EQ. 0) THEN
|
|
!
|
|
! Compress NEF for later use
|
|
!
|
|
NCT=0
|
|
DO 245 N=1,NENTRY
|
|
IF(NEF(N,1) .NE. 0) THEN
|
|
NCT=NCT+1
|
|
NEF(NCT,1)=NEF(N,1)
|
|
NEF(NCT,2)=NEF(N,2)
|
|
NEF(NCT,3)=NEF(N,3)
|
|
ENDIF
|
|
245 CONTINUE
|
|
NENTRY=NCT
|
|
ENDIF
|
|
250 END DO
|
|
255 CONTINUE
|
|
IF(ITYP .GT. 2) THEN
|
|
!ipk nov97 add (1)
|
|
call plotot(1)
|
|
NEFL=0
|
|
RETURN
|
|
ENDIF
|
|
!
|
|
! Process the ITYP = 1 or 2 situation
|
|
!
|
|
IF(ITYP .GT. 0) THEN
|
|
CALL CLENUP(ITYP)
|
|
ENDIF
|
|
!
|
|
! Search for left over entries NEF
|
|
!
|
|
DO 600 I=1,NENTRY
|
|
DO 500 N=1,NE
|
|
IF(IMAT(N) .EQ. 0) GO TO 500
|
|
NCN=NCORN(N)
|
|
|
|
!ipk sep99 add test for line element
|
|
|
|
if(ncn .eq. 3) then
|
|
if(nef(i,2) .eq. nop(n,2)) go to 600
|
|
go to 500
|
|
endif
|
|
!
|
|
! Loop on sides
|
|
!
|
|
DO 400 K=2,NCN,2
|
|
IF(NOP(N,K-1) .EQ. NEF(I,3)) THEN
|
|
KP=MOD(K+1,NCN)
|
|
IF(NOP(N,KP) .EQ. ABS(NEF(I,1))) THEN
|
|
!
|
|
! We have a match, quit search for this entry
|
|
!
|
|
GO TO 600
|
|
ENDIF
|
|
ENDIF
|
|
400 CONTINUE
|
|
500 CONTINUE
|
|
!
|
|
! No match this must be a boundary eliminate NEF value
|
|
!
|
|
NEF(I,1)=0
|
|
NEF(I,3)=0
|
|
600 END DO
|
|
!
|
|
! Now compress remaining NEF for later use
|
|
!
|
|
NCT=0
|
|
DO 700 N=1,NENTRY
|
|
IF(NEF(N,1) .GT. 0) THEN
|
|
NCT=NCT+1
|
|
NEF(NCT,1)=NEF(N,1)
|
|
NEF(NCT,2)=NEF(N,2)
|
|
NEF(NCT,3)=NEF(N,3)
|
|
ENDIF
|
|
700 END DO
|
|
NENTRY=NCT
|
|
NEFL=0
|
|
RETURN
|
|
END
|
|
!
|
|
SUBROUTINE CLENUP(ITYP)
|
|
!
|
|
! Clean up transitions on the boundary of the refined area
|
|
!
|
|
!
|
|
USE BLK1MOD
|
|
! INCLUDE 'BLK1.COM'
|
|
|
|
INCLUDE 'TXFRM.COM'
|
|
!IPK MAY02 COMMON /TXFRM/ XS, YS, TXSCAL
|
|
!
|
|
DIMENSION NTEMP(9),NTRAN(9),NSWT(8)
|
|
!
|
|
! First loop through elements looking for transitions
|
|
!
|
|
IF(ITYP .EQ. 0) THEN
|
|
NEO=NE
|
|
ELSE
|
|
NEO=NEFL
|
|
ENDIF
|
|
! DO KN=1,NEO
|
|
! WRITE(234,*) KN,NEFLAG(KN),NEF(KN,1),NEF(KN,2),NEF(KN,3)
|
|
! ENDDO
|
|
DO 500 KN=1,NEO
|
|
IF(ITYP .EQ. 0) THEN
|
|
N=KN
|
|
IF(IMAT(N) .EQ. 0) GO TO 500
|
|
ELSE
|
|
N=NEFLAG(KN)
|
|
ENDIF
|
|
NCN=NCORN(N)
|
|
|
|
!ipk sep99 add test for line element
|
|
|
|
if(ncn .eq. 3) then
|
|
do i=1,nentry
|
|
if(nop(n,2) .eq. nef(i,2)) then
|
|
CALL GETELM(NEM)
|
|
NEUNDO=NEUNDO+1
|
|
IELDEL(NEUNDO)=NEM
|
|
nop(nem,1)=nef(I,2)
|
|
nop(nem,3)=nef(I,3)
|
|
imat(nem)=imat(n)
|
|
ncorn(nem)=3
|
|
IESKP(NEM)=0
|
|
IERC=0
|
|
CALL PLTELM(NEM,IERC)
|
|
nop(n,2)=0
|
|
nop(n,3)=nef(I,2)
|
|
go to 500
|
|
endif
|
|
enddo
|
|
go to 500
|
|
endif
|
|
!
|
|
! Loop on sides
|
|
!
|
|
IFND=0
|
|
NSWT(8)=0
|
|
DO 400 K=2,NCN,2
|
|
!
|
|
! Search for left over entry in NEF
|
|
!
|
|
DO 350 I=1,NENTRY
|
|
IF(NOP(N,K-1) .EQ. NEF(I,3)) THEN
|
|
KP=MOD(K+1,NCN)
|
|
IF(NOP(N,KP) .EQ. ABS(NEF(I,1))) THEN
|
|
!
|
|
! We have a match, start building TEMP
|
|
!
|
|
NTEMP(K-1)=NEF(I,3)
|
|
NTEMP(K)=NEF(I,2)
|
|
NSWT(K)=1
|
|
IFND=1
|
|
GO TO 400
|
|
ENDIF
|
|
ENDIF
|
|
IF(ITYP .GT. 0) THEN
|
|
IF(NOP(N,K-1) .EQ. ABS(NEF(I,1))) THEN
|
|
KP=MOD(K+1,NCN)
|
|
IF(NOP(N,KP) .EQ. NEF(I,3)) THEN
|
|
!
|
|
! We have a match, start building TEMP
|
|
!
|
|
NTEMP(K-1)=ABS(NEF(I,1))
|
|
NTEMP(K)=NEF(I,2)
|
|
NSWT(K)=1
|
|
IFND=1
|
|
GO TO 400
|
|
ENDIF
|
|
ENDIF
|
|
ENDIF
|
|
350 CONTINUE
|
|
!
|
|
! No match copy old values
|
|
!
|
|
NTEMP(K-1)=NOP(N,K-1)
|
|
NTEMP(K)=NOP(N,K)
|
|
NSWT(K)=0
|
|
400 CONTINUE
|
|
IF(IFND .EQ. 0) GO TO 500
|
|
!
|
|
! Now test for match
|
|
!
|
|
NTOT=NSWT(2)+NSWT(4)+NSWT(6)+NSWT(8)
|
|
IF(NTOT .EQ. 0) GO TO 500
|
|
!
|
|
! Delete element
|
|
!
|
|
DO 420 K=1,8
|
|
NOP(N,K)=0
|
|
420 CONTINUE
|
|
NRMAT=IMAT(N)
|
|
IMAT(N)=0
|
|
NELAST=MIN(NELAST,N)
|
|
!
|
|
! Work with triangles first
|
|
!
|
|
IF(NCN .EQ. 6) THEN
|
|
!
|
|
! Determine transition type and prepare to rotate connections
|
|
!
|
|
IF(NTOT .EQ. 1) THEN
|
|
NTYP=3
|
|
IF(NSWT(2) .EQ. 1) THEN
|
|
ISHIFT=0
|
|
ELSEIF(NSWT(4) .EQ. 1) THEN
|
|
ISHIFT=2
|
|
ELSEIF(NSWT(6) .EQ. 1) THEN
|
|
ISHIFT=4
|
|
ENDIF
|
|
ELSEIF(NTOT .EQ. 2) THEN
|
|
NTYP=2
|
|
IF(NSWT(2) .EQ. 0) THEN
|
|
ISHIFT=2
|
|
ELSEIF(NSWT(4) .EQ. 0) THEN
|
|
ISHIFT=4
|
|
ELSEIF(NSWT(6) .EQ. 0) THEN
|
|
ISHIFT=0
|
|
ENDIF
|
|
ELSE
|
|
NTYP=1
|
|
ISHIFT=0
|
|
ENDIF
|
|
!
|
|
! Now rotate so that first mid node is refined
|
|
!
|
|
DO 430 K=1,NCN
|
|
KS=MOD(K+ISHIFT,NCN)
|
|
IF(KS .EQ. 0) KS=NCN
|
|
NTRAN(K)=NTEMP(KS)
|
|
430 CONTINUE
|
|
!
|
|
! Now generate transition refined elements
|
|
!
|
|
CALL TGEN(NTRAN,NTYP,NRMAT)
|
|
!
|
|
! Now work on quadrilateral elements
|
|
!
|
|
ELSE
|
|
!
|
|
! Determine transition type and prepare to rotate connections
|
|
!
|
|
IF(NTOT .EQ. 1) THEN
|
|
NTYP=2
|
|
IF(NSWT(2) .EQ. 1) THEN
|
|
ISHIFT=0
|
|
ELSEIF(NSWT(4) .EQ. 1) THEN
|
|
ISHIFT=2
|
|
ELSEIF(NSWT(6) .EQ. 1) THEN
|
|
ISHIFT=4
|
|
ELSEIF(NSWT(8) .EQ. 1) THEN
|
|
ISHIFT=6
|
|
ENDIF
|
|
ELSEIF(NTOT .EQ. 2) THEN
|
|
IF(NSWT(2) .EQ. 1) THEN
|
|
IF(NSWT(4) .EQ. 1) THEN
|
|
NTYP=3
|
|
ISHIFT=0
|
|
ELSEIF(NSWT(6) .EQ. 1) THEN
|
|
NTYP=4
|
|
ISHIFT=0
|
|
ELSE
|
|
NTYP=3
|
|
ISHIFT=6
|
|
ENDIF
|
|
ELSEIF(NSWT(4) .EQ. 1) THEN
|
|
IF(NSWT(6) .EQ. 1) THEN
|
|
NTYP=3
|
|
ISHIFT=2
|
|
ELSEIF(NSWT(8) .EQ. 1) THEN
|
|
NTYP=4
|
|
ISHIFT=2
|
|
ENDIF
|
|
ELSE
|
|
NTYP=3
|
|
ISHIFT=4
|
|
ENDIF
|
|
ELSEIF(NTOT .EQ. 3) THEN
|
|
NTYP=5
|
|
IF(NSWT(2) .EQ. 0) THEN
|
|
ISHIFT=2
|
|
ELSEIF(NSWT(4) .EQ. 0) THEN
|
|
ISHIFT=4
|
|
ELSEIF(NSWT(6) .EQ. 0) THEN
|
|
ISHIFT=6
|
|
ELSEIF(NSWT(8) .EQ. 0) THEN
|
|
ISHIFT=0
|
|
ENDIF
|
|
ELSE
|
|
NTYP=1
|
|
ISHIFT=0
|
|
ENDIF
|
|
!
|
|
! Now rotate so that first mid node is refined
|
|
!
|
|
DO 450 K=1,NCN
|
|
KS=MOD(K+ISHIFT,NCN)
|
|
IF(KS .EQ. 0) KS=NCN
|
|
NTRAN(K)=NTEMP(KS)
|
|
450 CONTINUE
|
|
!
|
|
IF(NTYP .EQ. 1 .OR. NTYP .EQ. 5) THEN
|
|
!
|
|
! If appropriate define a new node at the centroid
|
|
!
|
|
CALL GETNOD(N2)
|
|
NPUNDO=NPUNDO+1
|
|
NODDEL(NPUNDO)=N2
|
|
CORD(N2,1)=(CORD(NTEMP(1),1)+CORD(NTEMP(3),1) &
|
|
& +CORD(NTEMP(5),1)+CORD(NTEMP(7),1))/4.
|
|
CORD(N2,2)=(CORD(NTEMP(1),2)+CORD(NTEMP(3),2) &
|
|
& +CORD(NTEMP(5),2)+CORD(NTEMP(7),2))/4.
|
|
IF(LOCK(NTEMP(1)) .EQ. 1 .AND. LOCK(NTEMP(3)) .EQ. 1 .AND. &
|
|
& LOCK(NTEMP(5)) .EQ. 1 .AND. LOCK(NTEMP(7)) .EQ. 1) LOCK(N2)=1
|
|
INEW(N2) = 1
|
|
!ipk jan98
|
|
IF(IDELV .EQ. 1) then
|
|
WD(N2)=-9999.
|
|
ELSE
|
|
WD(N2)= (WD(NTEMP(1))+WD(NTEMP(3)) &
|
|
& +WD(NTEMP(5))+WD(NTEMP(7)))/4.
|
|
ENDIF
|
|
WIDTH(N2)=0.
|
|
SS1(N2)=0.
|
|
SS2(N2)=0.
|
|
WIDS(N2)=0.
|
|
XUSR(N2) = CORD(N2,1)*TXSCAL - XS
|
|
YUSR(N2) = CORD(N2,2)*TXSCAL - YS
|
|
NTRAN(9)=N2
|
|
INSKP(N2)=0
|
|
!
|
|
! Now generate transition refined elements
|
|
!
|
|
ENDIF
|
|
CALL RGEN(NTRAN,NTYP,NRMAT)
|
|
ENDIF
|
|
500 END DO
|
|
IF(ITYP .EQ. 0) THEN
|
|
NENTRY=0
|
|
ELSE
|
|
DO 600 I=1,NENTRY
|
|
IF(NEF(I,1) .LT. 0) NEF(I,1)=0
|
|
600 CONTINUE
|
|
ENDIF
|
|
RETURN
|
|
END
|
|
!
|
|
SUBROUTINE RGEN(NTRAN,NTYP,NRMAT)
|
|
!
|
|
! Routine to refine quadrilateral elements
|
|
!
|
|
USE BLK1MOD
|
|
! INCLUDE 'BLK1.COM'
|
|
!
|
|
! IRGEN contains pointers to the various connections
|
|
!
|
|
INTEGER*2 IRGEN
|
|
DIMENSION NTRAN(9),IRGEN(8,5,5)
|
|
!
|
|
! DATA IRGEN /1,0,2,0,9,0,8,0,3,0,4,0,9,0,2,0,5,0,6,0,9,0,4,0, &
|
|
! & 7,0,8,0,9,0,6,0,8*0, &
|
|
DATA IRGEN /1,0,2,0,9,0,8,0,2,0,3,0,4,0,9,0,9,0,4,0,5,0,6,0, &
|
|
& 8,0,9,0,6,0,7,0,8*0, &
|
|
& 1,0,2,0,7,8,0,0,3,4,5,0,2,0,0,0,5,6,7,0,2,0,0,0,16*0, &
|
|
& 1,0,2,0,7,8,0,0,3,0,4,0,2,0,0,0,5,6,7,0,4,0,0,0, &
|
|
& 7,0,2,0,4,0,0,0,8*0, &
|
|
& 1,0,2,0,6,0,7,8,2,0,3,4,5,0,6,0,24*0, &
|
|
& 1,0,2,0,9,0,0,0,3,0,4,0,9,0,2,0,5,0,6,0,9,0,4,0, &
|
|
& 7,0,9,0,6,0,0,0,7,8,1,0,9,0,0,0/
|
|
!
|
|
DO 300 N=1,5
|
|
IF(IRGEN(1,N,NTYP) .EQ. 0) GO TO 310
|
|
CALL GETELM(NEM)
|
|
NEUNDO=NEUNDO+1
|
|
IELDEL(NEUNDO)=NEM
|
|
DO 250 K=1,7,2
|
|
INN=IRGEN(K,N,NTYP)
|
|
INP=IRGEN(K+1,N,NTYP)
|
|
IF(INN .GT. 0) INN=NTRAN(INN)
|
|
IF(INP .GT. 0) INP=NTRAN(INP)
|
|
NOP(NEM,K)=INN
|
|
NOP(NEM,K+1)=INP
|
|
250 CONTINUE
|
|
IF(NOP(NEM,7) .EQ. 0) THEN
|
|
NCORN(NEM)=6
|
|
ELSE
|
|
NCORN(NEM)=8
|
|
ENDIF
|
|
IMAT(NEM)=NRMAT
|
|
IESKP(NEM)=0
|
|
!IPK JAN98
|
|
IERC=0
|
|
CALL PLTELM(NEM,IERC)
|
|
300 END DO
|
|
310 CONTINUE
|
|
RETURN
|
|
END
|
|
!
|
|
SUBROUTINE TGEN(NTRAN,NTYP,NRMAT)
|
|
!
|
|
! Routine to refine triangular elements
|
|
!
|
|
USE BLK1MOD
|
|
! INCLUDE 'BLK1.COM'
|
|
!
|
|
! ITGEN contains pointers to the various connections
|
|
!
|
|
INTEGER*2 ITGEN
|
|
DIMENSION NTRAN(9),ITGEN(8,4,3)
|
|
!
|
|
DATA ITGEN /1,0,2,0,6,0,0,0,3,0,4,0,2,0,0,0, &
|
|
& 5,0,6,0,4,0,0,0,2,0,4,0,6,0,0,0, &
|
|
& 1,0,2,0,4,0,5,6,2,0,3,0,4,0,0,0,16*0, &
|
|
& 1,0,2,0,5,6,0,0,3,4,5,0,2,0,0,0,16*0/
|
|
!
|
|
DO 300 N=1,4
|
|
IF(ITGEN(1,N,NTYP) .EQ. 0) GO TO 310
|
|
CALL GETELM(NEM)
|
|
NEUNDO=NEUNDO+1
|
|
IELDEL(NEUNDO)=NEM
|
|
DO 250 K=1,7,2
|
|
INN=ITGEN(K,N,NTYP)
|
|
INP=ITGEN(K+1,N,NTYP)
|
|
IF(INN .GT. 0) INN=NTRAN(INN)
|
|
IF(INP .GT. 0) INP=NTRAN(INP)
|
|
NOP(NEM,K)=INN
|
|
NOP(NEM,K+1)=INP
|
|
250 CONTINUE
|
|
IF(NOP(NEM,7) .EQ. 0) THEN
|
|
NCORN(NEM)=6
|
|
ELSE
|
|
NCORN(NEM)=8
|
|
ENDIF
|
|
IMAT(NEM)=NRMAT
|
|
IESKP(NEM)=0
|
|
IERC=0
|
|
CALL PLTELM(NEM,IERC)
|
|
300 END DO
|
|
310 CONTINUE
|
|
RETURN
|
|
END
|
|
SUBROUTINE SPLIT(N)
|
|
!
|
|
! Routine to split quadrilateral elements in two
|
|
!
|
|
USE BLK1MOD
|
|
! INCLUDE 'BLK1.COM'
|
|
|
|
INCLUDE 'TXFRM.COM'
|
|
!IPK MAY02 COMMON /TXFRM/ XS, YS, TXSCAL
|
|
!
|
|
DIST(N1,N2)=SQRT((CORD(N1,1)-CORD(N2,1))**2 &
|
|
& +(CORD(N1,2)-CORD(N2,2))**2)
|
|
if(nop(n,7) .eq. 0) go to 100
|
|
!
|
|
! Loop around element looking for longest diagonal
|
|
!
|
|
L1=NOP(N,1)
|
|
L5=NOP(N,5)
|
|
D15=DIST(L1,L5)
|
|
L3=NOP(N,3)
|
|
L7=NOP(N,7)
|
|
D37=DIST(L3,L7)
|
|
CALL GETELM(NEM)
|
|
NEUNDO=NEUNDO+1
|
|
IELDEL(NEUNDO)=NEM
|
|
IF(D15 .LT. D37) THEN
|
|
NOP(NEM,1)=L1
|
|
NOP(NEM,2)=0
|
|
NOP(NEM,3)=L5
|
|
NOP(NEM,4)=NOP(N,6)
|
|
NOP(NEM,5)=L7
|
|
NOP(NEM,6)=NOP(N,8)
|
|
IMAT(NEM)=IMAT(N)
|
|
IESKP(NEM)=0
|
|
NCORN(NEM)=6
|
|
NOP(N,6)=0
|
|
NOP(N,7)=0
|
|
NOP(N,8)=0
|
|
NCORN(N)=6
|
|
ELSE
|
|
NOP(NEM,1)=L3
|
|
NOP(NEM,2)=NOP(N,4)
|
|
NOP(NEM,3)=L5
|
|
NOP(NEM,4)=NOP(N,6)
|
|
NOP(NEM,5)=L7
|
|
NOP(NEM,6)=0
|
|
IMAT(NEM)=IMAT(N)
|
|
IESKP(NEM)=0
|
|
NCORN(NEM)=6
|
|
NOP(N,4)=0
|
|
NOP(N,5)=L7
|
|
NOP(N,6)=NOP(N,8)
|
|
NOP(N,7)=0
|
|
NOP(N,8)=0
|
|
NCORN(N)=6
|
|
ENDIF
|
|
|
|
! call plotot
|
|
RETURN
|
|
100 continue
|
|
!
|
|
! triangle split
|
|
!
|
|
l1=nop(n,1)
|
|
l3=nop(n,3)
|
|
l5=nop(n,5)
|
|
d13=dist(l1,l3)
|
|
d35=dist(l3,l5)
|
|
d51=dist(l5,l1)
|
|
CALL GETELM(NEM)
|
|
NEUNDO=NEUNDO+1
|
|
IELDEL(NEUNDO)=NEM
|
|
IMAT(NEM)=IMAT(N)
|
|
IESKP(NEM)=0
|
|
NCORN(NEM)=6
|
|
write(90,*) l1,l3,l5,d13,d35,d51,nentry
|
|
if(d13 .gt. d35) then
|
|
if(d13 .gt. d51) then
|
|
!
|
|
! Search table for L1
|
|
!
|
|
IF(NENTRY .NE. 0) THEN
|
|
DO J=1,NENTRY
|
|
IF(L1 .EQ. NEF(J,3) .AND. L3 .EQ. NEF(J,1)) THEN
|
|
!
|
|
! We have found match so use this info
|
|
!
|
|
NOP(N,2)=NEF(J,2)
|
|
NEWND=NEF(J,2)
|
|
!
|
|
! For regular ops remove value in NEF(J,1) so that it seems blank and s
|
|
! otherwise set value negative
|
|
! IF(IELGB(2) .EQ. 1) THEN
|
|
! NEF(J,1)=0
|
|
! ELSE
|
|
NEF(J,1)=-NEF(J,1)
|
|
! ENDIF
|
|
GO TO 200
|
|
ENDIF
|
|
ENDDO
|
|
ENDIF
|
|
!
|
|
! Define a node, enter it, initialize it, and make entry in NEF
|
|
!
|
|
IF(NOP(N,2) .EQ. 0) THEN
|
|
CALL GETNOD(NEWND)
|
|
NPUNDO=NPUNDO+1
|
|
NODDEL(NPUNDO)=NEWND
|
|
NOP(N,2)=NEWND
|
|
CORD(NEWND,1)=(CORD(L1,1)+CORD(L3,1))/2.
|
|
CORD(NEWND,2)=(CORD(L1,2)+CORD(L3,2))/2.
|
|
XUSR(NEWND) = CORD(NEWND,1)*TXSCAL - XS
|
|
YUSR(NEWND) = CORD(NEWND,2)*TXSCAL - YS
|
|
INEW(NEWND) = 1
|
|
IF(LOCK(L1) .EQ. 1 .AND. LOCK(L3) .EQ. 1 ) LOCK(NEWND)=1
|
|
|
|
INSKP(NEWND) =0
|
|
ELSE
|
|
NEWND=NOP(N,2)
|
|
IF(INEW(NEWND) .NE. 1) THEN
|
|
CORD(NEWND,1)=(CORD(L1,1)+CORD(L3,1))/2.
|
|
CORD(NEWND,2)=(CORD(L1,2)+CORD(L3,2))/2.
|
|
XUSR(NEWND) = CORD(NEWND,1)*TXSCAL - XS
|
|
YUSR(NEWND) = CORD(NEWND,2)*TXSCAL - YS
|
|
INEW(NEWND) = 1
|
|
INSKP(NEWND) =0
|
|
ENDIF
|
|
ENDIF
|
|
!ipk jan98
|
|
IF(IDELV .EQ. 1) then
|
|
WD(NEWND)=-9999.
|
|
ELSE
|
|
WD(NEWND)=(WD(L1)+WD(L3))/2.
|
|
ENDIF
|
|
WIDTH(NEWND)=0.
|
|
SS1(NEWND)=0.
|
|
SS2(NEWND)=0.
|
|
WIDS(NEWND)=0.
|
|
NENTRY=NENTRY+1
|
|
NEF(NENTRY,1)=L1
|
|
NEF(NENTRY,2)=NEWND
|
|
NEF(NENTRY,3)=L3
|
|
200 CONTINUE
|
|
|
|
nop(nem,1)=nop(n,1)
|
|
nop(nem,3)=newnd
|
|
nop(nem,5)=nop(n,5)
|
|
nop(nem,6)=nop(n,6)
|
|
nop(n,1)=newnd
|
|
nop(n,2)=0
|
|
nop(n,6)=0
|
|
else
|
|
|
|
!
|
|
! Search table for L5
|
|
!
|
|
IF(NENTRY .NE. 0) THEN
|
|
DO J=1,NENTRY
|
|
IF(L5 .EQ. NEF(J,3) .AND. L1 .EQ. NEF(J,1)) THEN
|
|
!
|
|
! We have found match so use this info
|
|
!
|
|
NOP(N,2)=NEF(J,2)
|
|
NEWND=NEF(J,2)
|
|
!
|
|
! For regular ops remove value in NEF(J,1) so that it seems blank and s
|
|
! otherwise set value negative
|
|
! IF(IELGB(2) .EQ. 1) THEN
|
|
! NEF(J,1)=0
|
|
! ELSE
|
|
NEF(J,1)=-NEF(J,1)
|
|
! ENDIF
|
|
GO TO 300
|
|
ENDIF
|
|
ENDDO
|
|
ENDIF
|
|
!
|
|
! Define a node, enter it, initialize it, and make entry in NEF
|
|
!
|
|
IF(NOP(N,6) .EQ. 0) THEN
|
|
CALL GETNOD(NEWND)
|
|
NPUNDO=NPUNDO+1
|
|
NODDEL(NPUNDO)=NEWND
|
|
NOP(N,6)=NEWND
|
|
CORD(NEWND,1)=(CORD(L5,1)+CORD(L1,1))/2.
|
|
CORD(NEWND,2)=(CORD(L5,2)+CORD(L1,2))/2.
|
|
XUSR(NEWND) = CORD(NEWND,1)*TXSCAL - XS
|
|
YUSR(NEWND) = CORD(NEWND,2)*TXSCAL - YS
|
|
INEW(NEWND) = 1
|
|
IF(LOCK(L1) .EQ. 1 .AND. LOCK(L5) .EQ. 1) LOCK(NEWND)=1
|
|
INSKP(NEWND) =0
|
|
ELSE
|
|
NEWND=NOP(N,6)
|
|
IF(INEW(NEWND) .NE. 1) THEN
|
|
CORD(NEWND,1)=(CORD(L5,1)+CORD(L1,1))/2.
|
|
CORD(NEWND,2)=(CORD(L5,2)+CORD(L1,2))/2.
|
|
XUSR(NEWND) = CORD(NEWND,1)*TXSCAL - XS
|
|
YUSR(NEWND) = CORD(NEWND,2)*TXSCAL - YS
|
|
INEW(NEWND) = 1
|
|
INSKP(NEWND) =0
|
|
ENDIF
|
|
ENDIF
|
|
!ipk jan98
|
|
IF(IDELV .EQ. 1) then
|
|
WD(NEWND)=-9999.
|
|
ELSE
|
|
WD(NEWND)=(WD(L5)+WD(L1))/2.
|
|
ENDIF
|
|
WIDTH(NEWND)=0.
|
|
SS1(NEWND)=0.
|
|
SS2(NEWND)=0.
|
|
WIDS(NEWND)=0.
|
|
NENTRY=NENTRY+1
|
|
NEF(NENTRY,1)=L5
|
|
NEF(NENTRY,2)=NEWND
|
|
NEF(NENTRY,3)=L1
|
|
300 CONTINUE
|
|
|
|
nop(nem,1)=nop(n,1)
|
|
nop(nem,2)=nop(n,2)
|
|
nop(nem,3)=nop(n,3)
|
|
nop(nem,5)=newnd
|
|
nop(n,1)=newnd
|
|
nop(n,2)=0
|
|
nop(n,6)=0
|
|
endif
|
|
elseif(d35 .gt. d51) then
|
|
|
|
!
|
|
! Search table for L3
|
|
!
|
|
IF(NENTRY .NE. 0) THEN
|
|
DO J=1,NENTRY
|
|
IF(L3 .EQ. NEF(J,3) .AND. L5 .EQ. NEF(J,1)) THEN
|
|
!
|
|
! We have found match so use this info
|
|
!
|
|
NOP(N,4)=NEF(J,2)
|
|
NEWND=NEF(J,2)
|
|
!
|
|
! For regular ops remove value in NEF(J,1) so that it seems blank and s
|
|
! otherwise set value negative
|
|
! IF(IELGB(2) .EQ. 1) THEN
|
|
! NEF(J,1)=0
|
|
! ELSE
|
|
NEF(J,1)=-NEF(J,1)
|
|
! ENDIF
|
|
GO TO 400
|
|
ENDIF
|
|
ENDDO
|
|
ENDIF
|
|
!
|
|
! Define a node, enter it, initialize it, and make entry in NEF
|
|
!
|
|
IF(NOP(N,4) .EQ. 0) THEN
|
|
CALL GETNOD(NEWND)
|
|
NPUNDO=NPUNDO+1
|
|
NODDEL(NPUNDO)=NEWND
|
|
NOP(N,4)=NEWND
|
|
CORD(NEWND,1)=(CORD(L3,1)+CORD(L5,1))/2.
|
|
CORD(NEWND,2)=(CORD(L3,2)+CORD(L5,2))/2.
|
|
XUSR(NEWND) = CORD(NEWND,1)*TXSCAL - XS
|
|
YUSR(NEWND) = CORD(NEWND,2)*TXSCAL - YS
|
|
INEW(NEWND) = 1
|
|
IF(LOCK(L3) .EQ. 1 .AND. LOCK(L5) .EQ. 1) LOCK(NEWND)=1
|
|
INSKP(NEWND) =0
|
|
ELSE
|
|
NEWND=NOP(N,4)
|
|
IF(INEW(NEWND) .NE. 1) THEN
|
|
CORD(NEWND,1)=(CORD(L3,1)+CORD(L5,1))/2.
|
|
CORD(NEWND,2)=(CORD(L3,2)+CORD(L5,2))/2.
|
|
XUSR(NEWND) = CORD(NEWND,1)*TXSCAL - XS
|
|
YUSR(NEWND) = CORD(NEWND,2)*TXSCAL - YS
|
|
INEW(NEWND) = 1
|
|
INSKP(NEWND) =0
|
|
ENDIF
|
|
ENDIF
|
|
!ipk jan98
|
|
IF(IDELV .EQ. 1) then
|
|
WD(NEWND)=-9999.
|
|
ELSE
|
|
WD(NEWND)=(WD(L3)+WD(L5))/2.
|
|
ENDIF
|
|
WIDTH(NEWND)=0.
|
|
SS1(NEWND)=0.
|
|
SS2(NEWND)=0.
|
|
WIDS(NEWND)=0.
|
|
NENTRY=NENTRY+1
|
|
NEF(NENTRY,1)=L3
|
|
NEF(NENTRY,2)=NEWND
|
|
NEF(NENTRY,3)=L5
|
|
400 CONTINUE
|
|
|
|
nop(nem,1)=nop(n,1)
|
|
nop(nem,2)=nop(n,2)
|
|
nop(nem,3)=nop(n,3)
|
|
nop(nem,5)=newnd
|
|
nop(n,3)=newnd
|
|
nop(n,2)=0
|
|
nop(n,4)=0
|
|
else
|
|
|
|
!
|
|
! Search table for L5
|
|
!
|
|
IF(NENTRY .NE. 0) THEN
|
|
DO J=1,NENTRY
|
|
IF(L5 .EQ. NEF(J,3) .AND. L1 .EQ. NEF(J,1)) THEN
|
|
!
|
|
! We have found match so use this info
|
|
!
|
|
NOP(N,2)=NEF(J,2)
|
|
NEWND=NEF(J,2)
|
|
!
|
|
! For regular ops remove value in NEF(J,1) so that it seems blank and s
|
|
! otherwise set value negative
|
|
! IF(IELGB(2) .EQ. 1) THEN
|
|
! NEF(J,1)=0
|
|
! ELSE
|
|
NEF(J,1)=-NEF(J,1)
|
|
! ENDIF
|
|
GO TO 500
|
|
ENDIF
|
|
ENDDO
|
|
ENDIF
|
|
!
|
|
! Define a node, enter it, initialize it, and make entry in NEF
|
|
!
|
|
IF(NOP(N,6) .EQ. 0) THEN
|
|
CALL GETNOD(NEWND)
|
|
NPUNDO=NPUNDO+1
|
|
NODDEL(NPUNDO)=NEWND
|
|
NOP(N,6)=NEWND
|
|
CORD(NEWND,1)=(CORD(L5,1)+CORD(L1,1))/2.
|
|
CORD(NEWND,2)=(CORD(L5,2)+CORD(L1,2))/2.
|
|
XUSR(NEWND) = CORD(NEWND,1)*TXSCAL - XS
|
|
YUSR(NEWND) = CORD(NEWND,2)*TXSCAL - YS
|
|
INEW(NEWND) = 1
|
|
IF(LOCK(L1) .EQ. 1 .AND. LOCK(L5) .EQ. 1) LOCK(NEWND)=1
|
|
INSKP(NEWND) =0
|
|
ELSE
|
|
NEWND=NOP(N,6)
|
|
IF(INEW(NEWND) .NE. 1) THEN
|
|
CORD(NEWND,1)=(CORD(L5,1)+CORD(L1,1))/2.
|
|
CORD(NEWND,2)=(CORD(L5,2)+CORD(L1,2))/2.
|
|
XUSR(NEWND) = CORD(NEWND,1)*TXSCAL - XS
|
|
YUSR(NEWND) = CORD(NEWND,2)*TXSCAL - YS
|
|
INEW(NEWND) = 1
|
|
INSKP(NEWND) =0
|
|
ENDIF
|
|
ENDIF
|
|
!ipk jan98
|
|
IF(IDELV .EQ. 1) then
|
|
WD(NEWND)=-9999.
|
|
ELSE
|
|
WD(NEWND)=(WD(L5)+WD(L1))/2.
|
|
ENDIF
|
|
WIDTH(NEWND)=0.
|
|
SS1(NEWND)=0.
|
|
SS2(NEWND)=0.
|
|
WIDS(NEWND)=0.
|
|
NENTRY=NENTRY+1
|
|
NEF(NENTRY,1)=L5
|
|
NEF(NENTRY,2)=NEWND
|
|
NEF(NENTRY,3)=L1
|
|
500 CONTINUE
|
|
|
|
nop(nem,1)=nop(n,1)
|
|
nop(nem,2)=nop(n,2)
|
|
nop(nem,3)=nop(n,3)
|
|
nop(nem,5)=newnd
|
|
nop(n,1)=newnd
|
|
nop(n,2)=0
|
|
nop(n,6)=0
|
|
endif
|
|
return
|
|
END
|
|
SUBROUTINE REVERS(N1,N2)
|
|
!
|
|
! Routine to reverse diagonal of two quadrilateral elements
|
|
!
|
|
USE BLK1MOD
|
|
USE BLK2MOD
|
|
! INCLUDE 'BLK1.COM'
|
|
|
|
INCLUDE 'TXFRM.COM'
|
|
!IPK MAY02 COMMON /TXFRM/ XS, YS, TXSCAL
|
|
!
|
|
! Search for common nodes on the elements
|
|
!
|
|
DO 300 M=1,NCORN(N1),2
|
|
J=NOP(N1,M)
|
|
DO 250 MM=1,NCORN(N2),2
|
|
JJ=NOP(N2,MM)
|
|
IF(JJ .EQ. J) THEN
|
|
!
|
|
! We have a match find the other nodes around element
|
|
!
|
|
MID1=M+1
|
|
JMID1=NOP(N1,MID1)
|
|
write(90,*) n1,mid1,jmid1
|
|
MID2=M+3
|
|
IF(M .EQ. 5) MID2=2
|
|
JMID2=NOP(N1,MID2)
|
|
MID3=M+5
|
|
IF(MID3 .GT. 6) MID3=MID3-6
|
|
JMID3=NOP(N1,MID3)
|
|
!
|
|
! Now find the other node
|
|
!
|
|
M1=M+2
|
|
IF(M1 .GT. 6) M1=1
|
|
J1=NOP(N1,M1)
|
|
MM1=MM-2
|
|
IF(MM1 .LT. 1) MM1=5
|
|
JJ1=NOP(N2,MM1)
|
|
IF(J1 .EQ. JJ1) THEN
|
|
!
|
|
! We have the other match find nodes around the element
|
|
!
|
|
MID4=MM+1
|
|
JMID4=NOP(N2,MID4)
|
|
MID5=MM+3
|
|
IF(MM .EQ. 5) MID5=2
|
|
JMID5=NOP(N2,MID5)
|
|
M2=9-M-M1
|
|
MM2=9-MM-MM1
|
|
J2=NOP(N1,M2)
|
|
JJ2=NOP(N2,MM2)
|
|
NOP(N1,1)=J2
|
|
NOP(N1,2)=JMID3
|
|
NOP(N1,3)=J
|
|
NOP(N1,4)=JMID4
|
|
NOP(N1,5)=JJ2
|
|
NOP(N1,6)=JMID1
|
|
NOP(N2,1)=JJ2
|
|
NOP(N2,2)=JMID5
|
|
NOP(N2,3)=J1
|
|
NOP(N2,4)=JMID2
|
|
NOP(N2,5)=J2
|
|
NOP(N2,6)=JMID1
|
|
write(90,*) (nop(n1,i),i=1,6)
|
|
write(90,*) (nop(n2,i),i=1,6)
|
|
if(jmid1 .gt. 0) then
|
|
CORD(JMID1,1) = (CORD(J2,1)+CORD(JJ2,1))/2.0
|
|
CORD(JMID1,2) = (CORD(J2,2)+CORD(JJ2,2))/2.0
|
|
XUSR(JMID1) = CORD(JMID1,1)*TXSCAL - XS
|
|
YUSR(JMID1) = CORD(JMID1,2)*TXSCAL - YS
|
|
IF(NECON(JMID2,1) .EQ. N1) NECON(JMID2,1)=N2
|
|
IF(NECON(JMID2,2) .EQ. N1) NECON(JMID2,2)=N2
|
|
IF(NECON(JMID4,1) .EQ. N2) NECON(JMID4,1)=N1
|
|
IF(NECON(JMID4,2) .EQ. N2) NECON(JMID4,2)=N1
|
|
endif
|
|
GO TO 350
|
|
ENDIF
|
|
ENDIF
|
|
250 CONTINUE
|
|
300 END DO
|
|
350 CONTINUE
|
|
! CALL PLOTOT
|
|
RETURN
|
|
END
|