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|
SUBROUTINE ALG26
C
REAL LOSS,LAMI,LAMIP1,LAMIM1
C
DIMENSION XX1(21),DSDM(21),DRVWDM(21),DL(21),DSDL(21),FX1(21),FX2(
121),VVOLD(21),AFUN(20),BFUN(20),HS(20),XM2(20),DVMDVM(20),DVMDM(21
2),TBIP1(21),TEIP1(21)
C
COMMON /UD300C/ NSTNS,NSTRMS,NMAX,NFORCE,NBL,NCASE,NSPLIT,NREAD,
1NPUNCH,NPAGE,NSET1,NSET2,ISTAG,ICASE,IFAILO,IPASS,I,IVFAIL,IFFAIL,
2NMIX,NTRANS,NPLOT,ILOSS,LNCT,ITUB,IMID,IFAIL,ITER,LOG1,LOG2,LOG3,
3LOG4,LOG5,LOG6,IPRINT,NMANY,NSTPLT,NEQN,NSPEC(30),NWORK(30),
4NLOSS(30),NDATA(30),NTERP(30),NMACH(30),NL1(30),NL2(30),NDIMEN(30)
5,IS1(30),IS2(30),IS3(30),NEVAL(30),NDIFF(4),NDEL(30),NLITER(30),
6NM(2),NRAD(2),NCURVE(30),NWHICH(30),NOUT1(30),NOUT2(30),NOUT3(30),
7NBLADE(30),DM(11,5,2),WFRAC(11,5,2),R(21,30),XL(21,30),X(21,30),
8H(21,30),S(21,30),VM(21,30),VW(21,30),TBETA(21,30),DIFF(15,4),
9FDHUB(15,4),FDMID(15,4),FDTIP(15,4),TERAD(5,2),DATAC(100),
1DATA1(100),DATA2(100),DATA3(100),DATA4(100),DATA5(100),DATA6(100),
2DATA7(100),DATA8(100),DATA9(100),FLOW(10),SPEED(30),SPDFAC(10),
3BBLOCK(30),BDIST(30),WBLOCK(30),WWBL(30),XSTN(150),RSTN(150),
4DELF(30),DELC(100),DELTA(100),TITLE(18),DRDM2(30),RIM1(30),
5XIM1(30),WORK(21),LOSS(21),TANEPS(21),XI(21),VV(21),DELW(21),
6LAMI(21),LAMIM1(21),LAMIP1(21),PHI(21),CR(21),GAMA(21),SPPG(21),
7CPPG(21),HKEEP(21),SKEEP(21),VWKEEP(21),DELH(30),DELT(30),VISK,
8SHAPE,SCLFAC,EJ,G,TOLNCE,XSCALE,PSCALE,PLOW,RLOW,XMMAX,RCONST,
9FM2,HMIN,C1,PI,CONTR,CONMX
C
ITMAX=20
LPMAX=10
K=1
IF(I.EQ.ISTAG)K=2
XN=SPEED(I)*SPDFAC(ICASE)*PI/(30.0*SCLFAC)
IF(I.EQ.1)GO TO 234
DO 100 J=1,NSTRMS
LAMI(J)=LAMIP1(J)
100 LAMIP1(J)=1.0
IF(I.EQ.NSTNS)GO TO 234
IF(NDATA(I+1).EQ.0)GO TO 210
L1=NDIMEN(I+1)+1
GO TO(110,130,150,170),L1
110 DO 120 J=1,NSTRMS
120 XX1(J)=R(J,I+1)
GO TO 190
130 DO 140 J=1,NSTRMS
140 XX1(J)=R(J,I+1)/R(NSTRMS,I+1)
GO TO 190
150 DO 160 J=1,NSTRMS
160 XX1(J)=XL(J,I+1)
GO TO 190
170 DO 180 J=1,NSTRMS
180 XX1(J)=XL(J,I+1)/XL(NSTRMS,I+1)
190 L1=IS2(I+1)
CALL ALG01(DATAC(L1),DATA4(L1),NDATA(I+1),XX1,XX1,X1,NSTRMS,NTERP
1(I+1),0)
DO 200 J=1,NSTRMS
200 LAMIP1(J)=1.0-XX1(J)
210 DO 220 J=1,NSTRMS
X1=SQRT((R(J,I+1)-R(J,I))**2+(X(J,I+1)-X(J,I))**2)
X2=SQRT((R(J,I)-RIM1(J))**2+(X(J,I)-XIM1(J))**2)
X3=ATAN2(R(J,I+1)-R(J,I),X(J,I+1)-X(J,I))
X4=ATAN2(R(J,I)-RIM1(J),X(J,I)-XIM1(J))
PHI(J)=(X3+X4)/2.0
CR(J)=(X3-X4)/(X1+X2)*2.0
DSDM(J)=0.0
DRVWDM(J)=0.0
DVMDM(J)=0.0
IF(IPASS.EQ.1)GO TO 220
DSDM(J)=((S(J,I+1)-S(J,I))/X1+(S(J,I)-S(J,I-1))/X2)/2.0*G*EJ
DRVWDM(J)=((R(J,I+1)*VW(J,I+1)-R(J,I)*VW(J,I))/X1+(R(J,I)*VW(J,I)-
1RIM1(J)*VW(J,I-1))/X2)/(2.0*R(J,I))
DVMDM(J)=((VM(J,I+1)-VM(J,I))/X1+(VM(J,I)-VM(J,I-1))/X2)*0.5
220 CONTINUE
IF(IPASS.EQ.1.OR.NDATA(I).EQ.0.OR.NEQN.EQ.3.OR.NWORK(I).NE.0.OR.NW
1ORK(I+1).EQ.0)GO TO 390
L1=NDIMEN(I)+1
GO TO(221,223,225,227),L1
221 DO 222 J=1,NSTRMS
222 TEIP1(J)=R(J,I)
GO TO 229
223 DO 224 J=1,NSTRMS
224 TEIP1(J)=R(J,I)/R(NSTRMS,I)
GO TO 229
225 DO 226 J=1,NSTRMS
226 TEIP1(J)=XL(J,I)
GO TO 229
227 DO 228 J=1,NSTRMS
228 TEIP1(J)=XL(J,I)/XL(NSTRMS,I)
229 L1=IS2(I)
CALL ALG01(DATAC(L1),DATA3(L1),NDATA(I),TEIP1,TEIP1,X1,NSTRMS,NTE
1RP(I),0)
X1=SPEED(I+1)*SPDFAC(ICASE)*PI/(30.0*SCLFAC)
DO 230 J=1,NSTRMS
TEIP1(J)=TAN(TEIP1(J)/C1)
230 TBIP1(J)=(VW(J,I)-X1*R(J,I))/VM(J,I)
GO TO 390
234 DO 240 J=1,NSTRMS
DVMDM(J)=0.0
DSDM(J)=0.0
DRVWDM(J)=0.0
240 CR(J)=0.0
IF(I.EQ.1)GO TO 244
DO 246 J=1,NSTRMS
246 PHI(J)=ATAN2(R(J,I)-RIM1(J),X(J,I)-XIM1(J))
GO TO 390
244 DO 260 J=1,NSTRMS
260 PHI(J)=ATAN2(R(J,2)-R(J,1),X(J,2)-X(J,1))
DO 270 J=1,NSTRMS
XI(J)=H(J,1)
LAMI(J)=1.0
270 LAMIP1(J)=1.0
IF(NDATA(2).EQ.0)GO TO 390
L2=NDIMEN(2)+1
GO TO(290,310,330,350),L2
290 DO 300 J=1,NSTRMS
300 XX1(J)=R(J,2)
GO TO 370
310 DO 320 J=1,NSTRMS
320 XX1(J)=R(J,2)/R(NSTRMS,2)
GO TO 370
330 DO 340 J=1,NSTRMS
340 XX1(J)=XL(J,2)
GO TO 370
350 DO 360 J=1,NSTRMS
360 XX1(J)=XL(J,2)/XL(NSTRMS,2)
370 L1=IS2(2)
CALL ALG01(DATAC(L1),DATA4(L1),NDATA(2),XX1,XX1,X1,NSTRMS,NTERP(2
1),0)
DO 380 J=1,NSTRMS
380 LAMIP1(J)=1.0-XX1(J)
390 CALL ALG01(R(1,I),X(1,I),NSTRMS,R(1,I),X1,GAMA,NSTRMS,0,1)
DO 400 J=1,NSTRMS
GAMA(J)=ATAN(GAMA(J))
SPPG(J)=GAMA(J)+PHI(J)
CPPG(J)=COS(SPPG(J))
SPPG(J)=SIN(SPPG(J))
400 VV(J)=VM(J,I)
DO 410 J=1,ITUB
DL(J)=XL(J+1,I)-XL(J,I)
410 DSDL(J)=(S(J+1,I)-S(J,I))*G*EJ/DL(J)
IF(I.EQ.1.OR.NWORK(I).GE.5)GO TO 430
DO 420 J=1,ITUB
DVMDVM(J)=0.0
FX1(J)=(VW(J+1,I)+VW(J,I))/(R(J+1,I)+R(J,I))*(R(J+1,I)*VW(J+1,I)-R
1(J,I)*VW(J,I))/DL(J)
420 FX2(J)=(H(J+1,I)-H(J,I))/DL(J)*G*EJ
GO TO 450
430 DO 440 J=1,ITUB
FX1(J)=(TBETA(J+1,I)+TBETA(J,I))/(R(J+1,I)+R(J,I))*(R(J+1,I)*TBETA
1(J+1,I)-R(J,I)*TBETA(J,I))/DL(J)
440 FX2(J)=(XI(J+1)-XI(J))/DL(J)*G*EJ
450 VMAX=0.0
VMIN=2500.0
ITER=0
460 ITER=ITER+1
IFAIL=0
ICONF1=0
DO 470 J=1,NSTRMS
470 VVOLD(J)=VV(J)
IF(I.EQ.1.OR.NWORK(I).GE.5)GO TO 810
DO 580 J=1,ITUB
X1=(H(J,I)+H(J+1,I))/2.0-(((VVOLD(J)+VVOLD(J+1))/2.0)**2+((VW(J,I)
1+VW(J+1,I))/2.0)**2)/(2.0*G*EJ)
IF(X1.GE.HMIN)GO TO 520
IF(IPASS.LE.NFORCE)GO TO 510
IF(LNCT.LT.NPAGE)GO TO 480
WRITE(LOG2,500)
LNCT=1
480 LNCT=LNCT+1
WRITE(LOG2,490)IPASS,I,ITER,J,X1
490 FORMAT(5X,4HPASS,I3,9H STATION,I3,11H ITERATION,I3,12H STREAMTU
1BE,I3,53H STATIC ENTHALPY BELOW LIMIT IN MOMENTUM EQUATION AT,E13
2.5)
500 FORMAT(1H1)
510 IFAIL=1
X1=HMIN
520 X2=(S(J,I)+S(J+1,I))/2.0
X7=ALG7(X1,X2)
X2=(CPPG(J)+CPPG(J+1))*0.5
X3=(SPPG(J)+SPPG(J+1))*0.5
AFUN(J)=-2.0*X3*(DVMDM(J)+DVMDM(J+1))/(VVOLD(J)+VVOLD(J+1))-X2*(CR
1(J)+CR(J+1))
BFUN(J)=2.0*(FX2(J)-X7*DSDL(J)-FX1(J))
IF(IPASS.EQ.1.OR.I.EQ.NSTNS)GO TO 580
IF(NDATA(I).EQ.0.OR.NEQN.EQ.3.OR.(NWORK(I).EQ.0.AND.NWORK(I+1).EQ.
10))GO TO 560
IF(NWORK(I).EQ.0)GO TO 540
X4=(TBETA(J,I)+TBETA(J+1,I))*0.5
X5=(TANEPS(J)+TANEPS(J+1))*0.5
530 BFUN(J)=BFUN(J)+X7*(DSDM(J)+DSDM(J+1))*(X3/(1.0+X4*X4)-X5*X4/(1.0+
1X4*X4)*0.5)-X5*(DRVWDM(J)+DRVWDM(J+1))*(VVOLD(J)+VVOLD(J+1))*0.5
GO TO 580
540 X4=(TBIP1(J)+TBIP1(J+1))*0.5
X5 = (TEIP1(J)+TEIP1(J+1))*0.5
GO TO 530
560 BFUN(J)=BFUN(J)+X7*(DSDM(J)+DSDM(J+1))*X3
580 VV(IMID)=VVOLD(IMID)**2
J=IMID
JINC=1
590 JOLD=J
J=J+JINC
JJ=JOLD
IF(JINC.EQ.-1)JJ=J
IF(ABS(AFUN(J)).LE.1.0E-5) GO TO 660
X1=-AFUN(JJ)*(XL(J,I)-XL(JOLD,I))
IF(ABS(X1).LE.1.0E-10)GO TO 660
IF(X1.LE.88.0)GO TO 630
IF(IPASS.LE.NFORCE)GO TO 620
IF(LNCT.LT.NPAGE)GO TO 600
WRITE(LOG2,500)
LNCT=1
600 LNCT=LNCT+1
WRITE(LOG2,610)IPASS,I,ITER,JJ,X1
610 FORMAT(5X,4HPASS,I3,9H STATION,I3,11H ITERATION,I3,12H STREAMTU
1BE,I3,43H MOMENTUM EQUATION EXPONENT ABOVE LIMIT AT,E13.5)
620 IFAIL=1
X1=88.0
630 X1=EXP(X1)
VV(J)=VV(JOLD)*X1+(1.0-X1)*BFUN(JJ)/AFUN(JJ)
640 IF(J.EQ.K)GO TO 670
IF(J.EQ.NSTRMS)GO TO 650
GO TO 590
650 J=IMID
JINC=-1
GO TO 590
660 VV(J)=VV(JOLD)+BFUN(JJ)*(XL(J,I)-XL(JOLD,I))
GO TO 640
670 DO 710 J=K,NSTRMS
IF(VV(J).LE.4.0*VVOLD(IMID)**2)GO TO 676
IFAIL=1
IF(IPASS.LE.NFORCE)GO TO 674
CALL ALG03(LNCT,1)
WRITE(LOG2,672)IPASS,I,ITER,J
672 FORMAT(5X,4HPASS,I3,9H STATION,I3,11H ITERATION,I3,12H STREAMLI
1NE,I3,50H MERIDIONAL VELOCITY GREATER THAN TWICE MID VALUE)
674 VV(J)=4.0*VVOLD(IMID)**2
676 IF(VV(J).GE.1.0)GO TO 702
IF(IPASS.LE.NFORCE)GO TO 700
IF(LNCT.LT.NPAGE)GO TO 680
WRITE(LOG2,500)
LNCT=1
680 LNCT=LNCT+1
WRITE(LOG2,690)IPASS,I,ITER,J,VV(J)
690 FORMAT(5X,4HPASS,I3,9H STATION,I3,11H ITERATION,I3,12H STREAMLI
1NE,I3,46H (MERIDIONAL VELOCITY) SQUARED BELOW LIMIT AT,E13.5)
700 VV(J)=1.0
IFAIL=1
GO TO 710
702 VV(J)=SQRT(VV(J))
710 CONTINUE
X1=0.0
DO 712 J=K,ITUB
712 X1=X1+(XL(J+1,I)-XL(J,I))*ABS((VV(J+1)+VV(J))/(VVOLD(J+1)+VVOLD(J)
1)-1.0)
X1=X1/(XL(NSTRMS,I)-XL(K,I))
X2=0.1
IF(X1.LT.0.2)X2=EXP(-11.52*X1)
DO 715 J=K,NSTRMS
715 VV(J)=VVOLD(J)+X2*(VV(J)-VVOLD(J))
IF(NLOSS(I).EQ.1.AND.NL2(I).EQ.0)CALL ALG07
DO 800 J=1,ITUB
HS(J)=(H(J,I)+H(J+1,I))/2.0-(((VV(J)+VV(J+1))/2.0)**2+((VW(J,I)+VW
1(J+1,I))/2.0)**2)/(2.0*G*EJ)
IF(HS(J).GE.HMIN)GO TO 800
IF(IPASS.LE.NFORCE)GO TO 790
IF(LNCT.LT.NPAGE)GO TO 770
WRITE(LOG2,500)
LNCT=1
770 LNCT=LNCT+1
WRITE(LOG2,780)IPASS,I,ITER,J,HS(J)
780 FORMAT(5X,4HPASS,I3,9H STATION,I3,11H ITERATION,I3,12H STREAMTU
1BE,I3,55H STATIC ENTHALPY BELOW LIMIT IN CONTINUITY EQUATION AT,E
213.5)
790 IFAIL=1
HS(J)=HMIN
800 XM2(J)=ALG9(HS(J),(S(J,I)+S(J+1,I))/2.0,((VV(J)+VV(J+1))/2.0)**2)
GO TO 1100
810 J=IMID
JINC=1
820 LOOP=1
JOLD=J
J=J+JINC
JJ=JOLD
IF(JINC.EQ.-1)JJ=J
830 VOLD=VV(J)
VAV=(VOLD+VV(JOLD))/2.0
IFAIE=0
ICONF2=0
X2=(TBETA(J,I)+TBETA(JOLD,I))/2.0
X1=(XI(J)+XI(JOLD))/2.0+((XN*(R(J,I)+R(JOLD,I))/2.0)**2-VAV**2*(1.
10+X2*X2))/(2.0*G*EJ)
IF(X1.GE.HMIN)GO TO 870
IF(IPASS.LE.NFORCE)GO TO 860
IF(LNCT.LT.NPAGE)GO TO 840
WRITE(LOG2,500)
LNCT=1
840 LNCT=LNCT+1
WRITE(LOG2,850)IPASS,I,ITER,JJ,LOOP,X1
850 FORMAT(5X,4HPASS,I3,9H STATION,I3,11H ITERATION,I3,12H STREAMTU
1BE,I3,6H LOOP,I3,43H STATIC H IN MOMENTUM EQUN. BELOW LIMIT AT,E
213.5)
860 IFAIE=1
ICONF2 = 1
X1=HMIN
870 X3=(S(J,I)+S(JOLD,I))/2.0
X7=ALG7(X1,X3)
X4=(SPPG(J)+SPPG(JOLD))*0.5
X5=(CPPG(J)+CPPG(JOLD))*0.5
X1=X5*(CR(J)+CR(JOLD))*0.5-FX1(JJ)
X12=1.0/(1.0+X2*X2)
X8=(TANEPS(J)+TANEPS(JOLD))*0.5
X11=FX2(JJ)-X7*DSDL(JJ)
X6=X4*(DVMDM(J)+DVMDM(JOLD))*0.5-2.0*XN*X2*COS((GAMA(J)+GAMA(JOLD)
1)*0.5)
IF(IPASS.EQ.1.OR.I.EQ.1.OR.I.EQ.NSTNS)GO TO 920
IF(NEQN.EQ.3)GO TO 900
X11=X11+X7*(DSDM(J)+DSDM(JOLD))*0.5*(X4*X12-X8*X2*X12)
X6=X6-X8*(DRVWDM(J)+DRVWDM(JOLD))*0.5
GO TO 920
900 X11=X11+X7*(DSDM(J)+DSDM(JOLD))*0.5*X4
920 DV2DL=2.0*X12*(VAV*(X6+VAV*X1)+X11)
DVMDVM(JJ)=X12*(X1-X11/VAV**2)
X1=VV(JOLD)**2+DV2DL*(XL(J,I)-XL(JOLD,I))
IF(X1.LE.9.0*VVOLD(IMID)**2)GO TO 938
ICONF2=1
IFAIE=1
IF(IPASS.LE.NFORCE)GO TO 936
CALL ALG03(LNCT,1)
X1=SQRT(X1)
X2=3.0*VVOLD(IMID)
WRITE(LOG2,934)IPASS,I,ITER,J,LOOP,X1,X2
934 FORMAT(5X,4HPASS,I3,9H STATION,I3,11H ITERATION,I3,12H STREAMLI
1NE,I3,6H LOOP,I3,33H MERIDIONAL VELOCITY ABOVE LIMIT,E13.5,9H L
2IMIT =,E13.5)
936 X1=9.0*VVOLD(IMID)**2
938 IF(X1.GE.1.0)GO TO 950
IF(IPASS.LE.NFORCE)GO TO 944
IF(LNCT.LT.NPAGE)GO TO 930
WRITE(LOG2,500)
LNCT=1
930 LNCT=LNCT+1
WRITE(LOG2,940)IPASS,I,ITER,J ,LOOP,X1
940 FORMAT(5X,4HPASS,I3,9H STATION,I3,11H ITERATION,I3,12H STREAMLI
1NE,I3,6H LOOP,I3,46H (MERIDIONAL VELOCITY) SQUARED BELOW LIMIT A
2T,E13.5)
944 X1=1.0
IFAIE=1
ICONF2=1
950 VV(J)=SQRT(X1)
IF(ABS(VV(J)/VOLD-1.0).LE.TOLNCE/5.0)GO TO 990
IF(LOOP.GE.LPMAX)GO TO 960
LOOP=LOOP+1
GO TO 830
960 ICONF2=1
IF(IPASS.LE.NFORCE)GO TO 990
IF(LNCT.LT.NPAGE)GO TO 970
WRITE(LOG2,500)
LNCT=1
970 LNCT=LNCT+1
WRITE(LOG2,980)IPASS,I,ITER,J,VV(J),VOLD
980 FORMAT(5X,4HPASS,I3,9H STATION,I3,11H ITERATION,I3,12H STREAMLI
1NE,I3,38H MERIDIONAL VELOCITY UNCONVERGED VM=,E13.6,9H VM(OLD)=,
2E13.6)
990 IF(IFAIE.EQ.1)IFAIL=1
IF(ICONF2.EQ.1)ICONF1=1
IF(J.EQ.NSTRMS)GO TO 1000
IF(J.EQ.1)GO TO 1010
GO TO 820
1000 J=IMID
JINC=-1
GO TO 820
1010 IF(I.EQ.1)GO TO 1014
IF(NLOSS(I).EQ.2.OR.(NLOSS(I).EQ.1.AND.NL2(I).EQ.0))CALL ALG07
1014 DO 1090 J=1,ITUB
X1=((VV(J)+VV(J+1))/2.0)**2*(1.0+((TBETA(J,I)+TBETA(J+1,I))/2.0)**
12)
HS(J)=(XI(J)+XI(J+1))/2.0+((XN*(R(J,I)+R(J+1,I))/2.0)**2-X1)/(2.0*
1G*EJ)
IF(HS(J).GE.HMIN)GO TO 1080
IF(IPASS.LE.NFORCE)GO TO 1070
IF(LNCT.LT.NPAGE)GO TO 1060
WRITE(LOG2,500)
LNCT=1
1060 LNCT=LNCT+1
WRITE(LOG2,780)IPASS,I,ITER,J,HS(J)
1070 IFAIL=1
HS(J)=HMIN
1080 XM2(J)=ALG9(HS(J),(S(J,I)+S(J+1,I))/2.0,X1)
IF(I.EQ.1.OR.NLOSS(I).NE.1.OR.NL2(I).NE.0)GO TO 1090
X1=(S(J,I)+S(J+1,I))/2.0
X2=ALG4(HS(J),X1)
X4=ALG8(HS(J),X1)
X3=(XI(J)+XI(J))/2.0+(XN*((R(J,I)+R(J+1,I))/2.0))**2/(2.0*G*EJ)
X3=ALG4(X3,X1)
XM2(J)=XM2(J)*(1.0+X4*(LOSS(J)+LOSS(J+1))/2.0*X2/(X3*(1.0+(LOSS(J)
1+LOSS(J+1))/2.0*(1.0-X2/X3))))
1090 CONTINUE
1100 DELW(1)=0.0
DWDV=0.0
X2=BBLOCK(I)*BDIST(I)
X3=BBLOCK(I)*(1.0-BDIST(I))/XL(NSTRMS,I)
DO 1200 J=1,ITUB
X1=DL(J)*(R(J+1,I)+R(J,I))*ALG5(HS(J),(S(J,I)+S(J+1,I))/2.0)*(VV(J
1)+VV(J+1))*(CPPG(J)+CPPG(J+1))*PI/(4.0*SCLFAC**2)
X1=X1*((LAMI(J)+LAMI(J+1))/2.0-WWBL(I)-X2-X3*(XL(J,I)+XL(J+1,I)))
DELW(J+1)=DELW(J)+X1
X4=0.0
IF(J.GE.IMID)GO TO 1130
L1=J
1110 X4=X4+DVMDVM(L1)
IF(L1.GE.IMID-1)GO TO 1120
L1=L1+1
GO TO 1110
1120 X4=X4/FLOAT(IMID-J)
GO TO 1200
1130 L1=IMID+1
1140 X4=X4+DVMDVM(L1)
IF(L1.GE.J)GO TO 1150
L1=L1+1
GO TO 1140
1150 X4=X4/FLOAT(J-IMID+1)
1200 DWDV=DWDV+X1*(1.0-XM2(J))*2.0/((VV(J)+VV(J+1))*(1.0-((XL(J,I)+XL(J
1+1,I))*0.5-XL(IMID,I))*X4))
W=DELW(NSTRMS)
FM2=DWDV/W*VV(IMID)
DO 1210 J=2,NSTRMS
1210 DELW(J)=DELW(J)/W
IF(DWDV.LE.0.0)GO TO 1280
IF(NMACH(I).EQ.1)GO TO 1330
IF(W.LT.FLOW(ICASE).AND.ICONF1.EQ.0)VMAX=VV(IMID)
1220 DV=(FLOW(ICASE)-W)/DWDV
IF(DV.LT.-0.1*VV(IMID))DV=-0.1*VV(IMID)
IF(DV.GT. 0.1*VV(IMID))DV= 0.1*VV(IMID)
1230 IF(IPASS.EQ.1.OR.(I.NE.1.AND.NWORK(I).LE.4))GO TO 1234
IF(VV(IMID)+DV.LT.VMIN)GO TO 1232
DV=(VMIN-VV(IMID))*0.5
1232 IF(VV(IMID)+DV.GT.VMAX)GO TO 1234
DV=(VMAX-VV(IMID))*0.5
1234 DO 1270 J=K,NSTRMS
VV(J)=VV(J)+DV
IF(VV(J).GE.1.0)GO TO 1270
IF(IPASS.LE.NFORCE)GO TO 1260
IF(LNCT.LT.NPAGE)GO TO 1240
WRITE(LOG2,500)
LNCT=1
1240 LNCT=LNCT+1
WRITE(LOG2,1250)IPASS,I,ITER,J,VV(J)
1250 FORMAT(5X,4HPASS,I3,9H STATION,I3,11H ITERATION,I3,12H STREAMLI
1NE,I3,50H MERIDIONAL VELOCITY BELOW LIMIT IN CONTINUITY AT,E13.5)
1260 VV(J)=1.0
IFAIL=1
1270 CONTINUE
GO TO 1340
1280 IF(NMACH(I).EQ.0)GO TO 1290
IF(W.LT.FLOW(ICASE).AND.ICONF1.EQ.0)VMIN=VV(IMID)
GO TO 1220
1290 IF(VV(IMID).LT.VMIN.AND.ICONF1.EQ.0)VMIN=VV(IMID)
DV=-.1*VV(IMID)
1300 IFAIL=1
IF(IPASS.LE.NFORCE)GO TO 1230
IF(LNCT.LT.NPAGE)GO TO 1310
WRITE(LOG2,500)
LNCT=1
1310 LNCT=LNCT+1
WRITE(LOG2,1320)IPASS,I,ITER
1320 FORMAT(5X,4HPASS,I3,9H STATION,I3,11H ITERATION,I3,43H OTHER CO
1NTINUITY EQUATION BRANCH REQUIRED)
GO TO 1230
1330 IF(VV(IMID).GT.VMAX.AND.ICONF1.EQ.0)VMAX=VV(IMID)
DV=0.1*VV(IMID)
GO TO 1300
1340 X1=TOLNCE/5.0
IF(NEVAL(I).GT.0)X1=X1/2.0
IF(ABS(W/FLOW(ICASE)-1.0).GT.X1)GO TO 1354
DO 1350 J=K,NSTRMS
IF(ABS(VV(J)/VVOLD(J)-1.0).GT.X1)GO TO 1354
1350 CONTINUE
GO TO 1390
1354 IF(ITER.GE.ITMAX)GO TO 1360
IF(I.EQ.1)GO TO 460
IF((NLOSS(I).EQ.1.AND.NL2(I).EQ.0).OR.(NWORK(I).GE.5.AND.NLOSS(I).
1EQ.2))CALL ALG07
GO TO 460
1360 IF(IPASS.LE.NFORCE)GO TO 1390
IF(LNCT.LT.NPAGE)GO TO 1370
WRITE(LOG2,500)
LNCT=1
1370 LNCT=LNCT+1
X1=W/FLOW(ICASE)
X2=VV(K)/VVOLD(K)
X3=VV(IMID)/VVOLD(IMID)
X4=VV(NSTRMS)/VVOLD(NSTRMS)
WRITE(LOG2,1380)IPASS,I,X1,X2,X3,X4
1380 FORMAT(5X,4HPASS,I3,9H STATION,I3,49H MOMENTUM AND/OR CONTINUITY
1 UNCONVERGED W/WSPEC=,F8.5,16H VM/VM(OLD) HUB=,F8.5,5H MID=,F8.5,5
2H TIP=,F8.5)
1390 IF(IFAIL.NE.0.AND.IFAILO.EQ.0)IFAILO=I
DO 1400 J=1,NSTRMS
1400 VM(J,I)=VV(J)
IF(I.NE.1)GO TO 1420
DO 1410 J=1,NSTRMS
1410 VW(J,1)=VV(J)*TBETA(J,1)
GO TO 1480
1420 IF(NMIX.NE.1)GO TO 1440
DO 1430 J=1,NSTRMS
S(J,I-1)=SKEEP(J)
H(J,I-1)=HKEEP(J)
1430 VW(J,I-1)=VWKEEP(J)
1440 IF(NWORK(I).GE.5)GO TO 1460
TBETA(1,I)=0.0
DO 1450 J=K,NSTRMS
1450 TBETA(J,I)=(VW(J,I)-XN*R(J,I))/VV(J)
GO TO 1480
1460 DO 1470 J=1,NSTRMS
VW(J,I)=VV(J)*TBETA(J,I)+XN*R(J,I)
1470 H(J,I)=XI(J)+XN*R(J,I)*VW(J,I)/(G*EJ)
1480 CONTINUE
RETURN
END
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