!IPK LAST UPDATE SEP 23 2015 ADD TESTING FOR CHNAGED ELEMENTS/NODES ! last update Sept 20 1999 ! Last change: IPK 13 Jan 98 10:05 am !ipk last update Nov 18 1997 !ipk last update Oct 24 1996 SUBROUTINE REFB ! ! Routines to control refinement of elements ! USE BLK1MOD INCLUDE 'BFILES.I90' ! INCLUDE 'BLK1.COM' ! CHARACTER*1 ANS,ANSW(10) DATA ANSW/'f','l','s','t','v','n',' ','m',' ','q'/ ! ! Draw box around selections ! 100 CONTINUE NHTP=8 NMESS=0 NBRR=0 CALL HEDR ! ! Get answer ! !ipk jan98 210 continue call wrtbox(idelv) call xyloc(XPT,YPT,ANS,IBOX) IF(IRMAIN .EQ. 1) RETURN !ipk jan98 add option for deleting elevation on move IF(IBOX .EQ. 7 .or. ANS .eq. 'e') THEN IDELV=MOD(IDELV+1,2) GO TO 210 ENDIF IF(ANS .EQ. 'c') THEN if(ibox .eq. 0) go to 210 ANS=ANSW(IBOX) ENDIF ! ! Element generation ! IF (ANS .EQ. 'f') THEN ! ! Refine elements by four ! IECHG=0 !IPK MAY03 ICHG=0 CALL REFIN(0) IRDONE=0 IF(IRMAIN .EQ. 1) RETURN ! ELSEIF (ANS .EQ. 'l') THEN ! ! Refine elements by two long ! IECHG=0 !IPK MAY03 ICHG=0 CALL REFIN(1) IRDONE=0 IF(IRMAIN .EQ. 1) RETURN ! ELSEIF (ANS .EQ. 's') THEN ! ! Refine elements by two short ! IECHG=0 !IPK MAY03 ICHG=0 CALL REFIN(2) IRDONE=0 IF(IRMAIN .EQ. 1) RETURN ! ! ELSEIF (ANS .EQ. 't') THEN ! ! Refine elements by splitting quads ! IECHG=0 !IPK MAY03 ICHG=0 CALL REFIN(3) IRDONE=0 IF(IRMAIN .EQ. 1) RETURN ! ! ELSEIF (ANS .EQ. 'v') THEN ! ! Reverse element diagonals for quads ! IECHG=0 !IPK MAY03 ICHG=0 CALL REFIN(4) IRDONE=0 IF(IRMAIN .EQ. 1) RETURN ! ELSEIF (ANS .EQ. 'n') THEN ! ! Clean up element refinement ! IECHG=0 !IPK MAY03 ICHG=0 CALL CLENUP(0) IRDONE=0 IF(IRMAIN .EQ. 1) RETURN ! ELSEIF (ANS .EQ. 'm') THEN IF(IRMAIN .EQ. 1) RETURN ! ! simplify layout ! IECHG=0 !IPK MAY03 ICHG=0 CALL SMFY ! IRDONE=0 ELSEIF (ANS .EQ. 'q') THEN CALL WRTOUT(0) ! RETURN ! ! Look again ! ENDIF GO TO 100 END ! SUBROUTINE REFIN(ITYPT) ! ! Routine to refine elements ! USE BLK1MOD ! INCLUDE 'BLK1.COM' INCLUDE 'TXFRM.COM' !IPK MAY02 COMMON /TXFRM/ XS, YS, TXSCAL ! DIMENSION NTRAN(9),IELGB(8) CHARACTER*1 IFLAG DIST(N1,N2)=SQRT((CORD(N1,1)-CORD(N2,1))**2 & & +(CORD(N1,2)-CORD(N2,2))**2) ! ITYP=ITYPT IF(NEFL .GT. 0) GO TO 150 !ipk may94 change so that refine does not change display ! DO 2 I=1,9 ! IPSW(I)=0 ! 2 CONTINUE ! IPSW(4)=1 ! CALL PLOTOT !ipk may94 end changes 3 CONTINUE NHTP=0 NMESS=12 NBRR=3 CALL HEDR ! ! Write out ! NEFL=0 4 CONTINUE IBOX=1 CALL PROX(XC,YC,NE,XX,YY,IELEM,IFLAG,IESKP,IBOX) IF(IRMAIN .EQ. 1) RETURN ! IF (IFLAG .EQ. 'c') THEN NEFL=NEFL+1 NEFLAG(NEFL)=IELEM CALL FILLEM(IELEM) ELSEIF (IFLAG .EQ. 'U') THEN NEFLAG(NEFL)=0 NEFL=NEFL-1 CALL PLOTOT(1) CALL HEDR DO IELEM=1,NEFL CALL FILLEM(NEFLAG(IELEM)) ENDDO ! ! ELSEIF(IFLAG .EQ. 'r') THEN ! CALL PLOTS(0) ! CALL PLOTOT ! GO TO 4 ELSEIF(IFLAG .EQ. 'q' .OR. IFLAG .EQ. 'e') THEN GO TO 152 ! ELSE !IPK JAN98 WRITE(*,*) CHAR(7),CHAR(7) ENDIF ! GOTO 4 ! ! 150 CONTINUE ! IPSWO=IPSW ! IPSW=4 ! CALL PLOTS(0) !ipk oct96 DO 151 I=1,9 !ipk oct96 IPSW(I)=0 !ipk oct96 151 CONTINUE !ipk oct96 IPSW(4)=1 !ipk nov97 add (1) CALL PLOTOT(1) ! IPSW=IPSWO ! ! Define NEF and process elements ! 152 CONTINUE DO N=1,NE DO M=1,8 NOPSV(N,M)=NOP(N,M) ENDDO IMATSV(N)=IMAT(N) ENDDO NPUNDO=0 NEUNDO=0 NESAV=NE NEFSAV=NENTRY IF(NENTRY .GT. 0) THEN DO N=1,NENTRY DO M=1,3 NEFSV(N,M)=NEF(N,M) ENDDO ENDDO ENDIF ITYPSV=ITYP DO 250 NN=1,NEFL ITYP=ITYPSV N=NEFLAG(NN) IF(IMAT(N) .GT. 900 .AND. IMAT(N) .LT. 904) GO TO 250 ! IF(IMAT(N) .EQ. 999) ITYP=1 NCN=NCORN(N) ! ! Split a one-dimensional element in two ! IF(NCN .EQ. 3) THEN N1=NOP(N,1) N2=NOP(N,2) N3=NOP(N,3) IF(NOP(N,2) .EQ. 0) THEN CALL GETNOD(N2) NPUNDO=NPUNDO+1 NODDEL(NPUNDO)=N2 ELSEIF(INEW(N2) .EQ. 1) THEN GO TO 153 ENDIF CORD(N2,1)=(CORD(N1,1)+CORD(N3,1))/2. CORD(N2,2)=(CORD(N1,2)+CORD(N3,2))/2. IF(LOCK(N1) .EQ. 1 .AND. LOCK(N3) .EQ. 1) LOCK(N2)=1 XUSR(N2) = CORD(N2,1)*TXSCAL - XS YUSR(N2) = CORD(N2,2)*TXSCAL - YS INEW(N2) = 1 INSKP(N2) =0 153 CALL GETELM(NEM) NEUNDO=NEUNDO+1 IELDEL(NEUNDO)=NEM NOP(NEM,3)=N3 NOP(N,2)=0 NOP(N,3)=N2 NOP(NEM,1)=N2 NOP(NEM,2)=0. NOP(NEM,3)=N3 IMAT(NEM)=IMAT(N) IESKP(NEM)=0 NCORN(NEM)=3 !ipk jan98 IF(IDELV .EQ. 1) then WD(N2)=-9999. WIDTH(N2)=0. SS1(N2)=0. SS2(N2)=0. WIDS(N2)=0. ELSE WD(N2)=(WD(N1)+WD(N3))/2. WIDTH(N2)=(WIDTH(N1)+WIDTH(N3))/2. SS1(N2)=(SS1(N1)+SS1(N3))/2. SS2(N2)=(SS2(N1)+SS2(N3))/2. WIDS(N2)=(WIDS(N1)+WIDS(N3))/2. IF(ICRIN .EQ. 23) CALL COMPWGT(0) ENDIF GO TO 250 ENDIF ! ! Setup for each type of refinement ! !ipk jan08 IF(ITYP .EQ. 0) THEN ! ! Full refinement all nodes are eligible ! ! IF(imat(n) .eq. 999) then ! IELGB(2)=2 ! IELGB(4)=0 ! IELGB(6)=2 ! IELGB(8)=0 ! ELSE DO M=2,NCN IELGB(M)=1 ENDDO ! ENDIF ELSEIF(ITYP .EQ. 1 .OR. ITYP .EQ. 2) THEN ! ! Setup for long or short side refinement ! IF(ITYP .EQ. 1) THEN DISTLL=0. DISTL=0. ELSE DISTLL=-VOID DISTL=-VOID ENDIF ! ! Sort out longest or shortest sides ! DO 165 M=2,NCN,2 IELGB(M)=0 N1=NOP(N,M-1) N2=MOD(M,NCN)+1 N2=NOP(N,N2) DSEP=DIST(N1,N2) IF(ITYP .EQ. 1) THEN IF(DISTLL .LT. DSEP) THEN ! Separation greater DISTLL IF(DISTLL .GT. 0.) THEN ! DISTLL already exists then move it down the line DISTL=DISTLL NDS=NDSS ENDIF ! Save separation DISTLL=DSEP NDSS=M GO TO 165 ELSEIF(DISTL .LT. DSEP) THEN ! 2nd longest DISTL=DSEP NDS=M ENDIF ELSE IF(DSEP .LT. DISTLL) THEN ! Separation less than DISTLL IF(DISTLL .LT. -VDX) THEN ! DISTLL already exists then move it up the line DISTL=DISTLL NDS=NDSS ENDIF DISTLL=DSEP NDSS=M GO TO 165 ELSEIF(DSEP .LT. DISTL) THEN ! 2nd shortest DISTL=DSEP NDS=M ENDIF ENDIF 165 CONTINUE IELGB(NDSS)=2 IELGB(NDS)=2 ELSEIF(ITYP .EQ. 3) THEN !ipk jan98 IF(NCN .EQ. 8) CALL SPLIT(N) IF(NCN .GT. 5) CALL SPLIT(N) GO TO 250 ELSEIF(ITYP .EQ. 4) THEN NPL=NEFLAG(NN+1) CALL REVERS(N,NPL) GO TO 255 ENDIF ! ! Loop through element sides ! DO 200 M=2,NCN,2 IF(IELGB(M) .EQ. 0) GO TO 200 N1=NOP(N,M-1) N3=MOD(M+1,NCN) N3=NOP(N,N3) ! ! Search table for N1 ! IF(NENTRY .EQ. 0) GO TO 182 DO 180 J=1,NENTRY IF(N1 .EQ. NEF(J,3) .AND. N3 .EQ. NEF(J,1)) THEN ! ! We have found match so use this info ! NOP(N,M)=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(M) .EQ. 1) THEN NEF(J,1)=0 ELSE NEF(J,1)=-NEF(J,1) ENDIF GO TO 200 ENDIF 180 CONTINUE 182 CONTINUE ! ! Define a node, enter it, initialize it, and make entry in NEF ! IF(IMAT(N) .EQ. 999 .AND. (M .EQ. 4 .OR. M .EQ. 8)) GO TO 200 IF(NOP(N,M) .EQ. 0) THEN CALL GETNOD(N2) NPUNDO=NPUNDO+1 NODDEL(NPUNDO)=N2 NOP(N,M)=N2 CORD(N2,1)=(CORD(N1,1)+CORD(N3,1))/2. CORD(N2,2)=(CORD(N1,2)+CORD(N3,2))/2. IF(LOCK(N1) .EQ. 1 .AND. LOCK(N3) .EQ. 1) LOCK(N2)=1 XUSR(N2) = CORD(N2,1)*TXSCAL - XS YUSR(N2) = CORD(N2,2)*TXSCAL - YS INEW(N2) = 1 INSKP(N2) =0 ELSE N2=NOP(N,M) IF(INEW(N2) .NE. 1) THEN CORD(N2,1)=(CORD(N1,1)+CORD(N3,1))/2. CORD(N2,2)=(CORD(N1,2)+CORD(N3,2))/2. XUSR(N2) = CORD(N2,1)*TXSCAL - XS YUSR(N2) = CORD(N2,2)*TXSCAL - YS INEW(N2) = 1 INSKP(N2) =0 ENDIF ENDIF !ipk jan98 IF(IDELV .EQ. 1) then WD(N2)=-9999. ELSE WD(N2)=(WD(N1)+WD(N3))/2. ENDIF IF(M .EQ. 2 .AND. IMAT(N) .EQ. 999) THEN WIDTH(N2)=(WIDTH(N1)+WIDTH(N3))/2. SS1(N2)=(SS1(N1)+SS1(N3))/2. SS2(N2)=(SS2(N1)+SS2(N3))/2. WIDS(N2)=(WIDS(N1)+WIDS(N3))/2. ELSE WIDTH(N2)=0. SS1(N2)=0. SS2(N2)=0. WIDS(N2)=0. ENDIF NENTRY=NENTRY+1 NEF(NENTRY,1)=N1 NEF(NENTRY,2)=N2 NEF(NENTRY,3)=N3 200 CONTINUE IF(ITYP .GT. 0) GO TO 250 ! ! Copy NOP into temporary NTRAN for processing then delete element ! DO 220 K=1,8 NTRAN(K)=NOP(N,K) NOP(N,K)=0 220 CONTINUE NRMAT=IMAT(N) IMAT(N)=0 IESKP(N)=-1 NTYP=1 NELAST= MIN(NELAST,N) IF(NCN .EQ. 8) THEN IF(NRMAT .EQ. 999) THEN IF(NTRAN(2) .EQ. 0) THEN CALL GETNOD(N2) NPUNDO=NPUNDO+1 NODDEL(NPUNDO)=N2 N1=NTRAN(1) N3=NTRAN(3) CORD(N2,1)=(CORD(N1,1)+CORD(N3,1))/2. CORD(N2,2)=(CORD(N1,2)+CORD(N3,2))/2. INEW(N2) = 1 IF(LOCK(N1) .EQ. 1 .AND. LOCK(N3) .EQ. 1) LOCK(N2)=1 NTRAN(2)=N2 WD(N2)=(WD(N1)+WD(N3))/2. WIDTH(N2)=(WIDTH(N1)+WIDTH(N3))/2. SS1(N2)=(SS1(N1)+SS1(N3))/2. SS2(N2)=(SS2(N1)+SS2(N3))/2. WIDS(N2)=(WIDS(N1)+WIDS(N3))/2. ENDIF IF(NTRAN(6) .EQ. 0) THEN CALL GETNOD(N6) NPUNDO=NPUNDO+1 NODDEL(NPUNDO)=N6 N5=NTRAN(5) N7=NTRAN(7) CORD(N6,1)=(CORD(N5,1)+CORD(N7,1))/2. CORD(N6,2)=(CORD(N5,2)+CORD(N7,2))/2. INEW(N6) = 1 IF(LOCK(N5) .EQ. 1 .AND. LOCK(N7) .EQ. 1) LOCK(N6)=1 NTRAN(6)=N6 WD(N6)=(WD(N5)+WD(N7))/2. WIDTH(N6)=(WIDTH(N5)+WIDTH(N7))/2. SS1(N6)=(SS1(N5)+SS1(N7))/2. SS2(N6)=(SS2(N5)+SS2(N7))/2. WIDS(N6)=(WIDS(N5)+WIDS(N7))/2. ENDIF CALL GETELM(NEM) NEUNDO=NEUNDO+1 IELDEL(NEUNDO)=NEM 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