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SUBROUTINE BREAD (IG,INV,II3,NORIG,KG)
C
C THIS ROUTINE IS USED ONLY IN BANDIT MODULE
C IT READS THE CONNECTING ELEMENTS AND GENEL ELEM. FROM GEOM2 FILE
C AND PREPROCESS THE MPC CARDS AND THE RIGID ELEMENTS FROM GEOM4
C
C REVISED BY G.CHAN/UNISYS
C 12/89, TO INCLUDE NEW RIGID ELEMENTS CRROD, CRBAR, CRTRPLT,
C CRBE1, CREB2, CRBE3 AND CRSPLINE
C 03/92, TO INCLUDE DUMMY ELEMENTS, CDUM1,...,CDUM9
C
IMPLICIT INTEGER (A-Z)
LOGICAL DEBUG
DIMENSION SUB(2), XXX(3), IZ(3), KG(7), IG(1),
1 NORIG(1), INV(II3,1)
CHARACTER UFM*23, UWM*25
COMMON /XMSSG / UFM, UWM
COMMON /BANDA / IBUF1, NOMPC
COMMON /BANDB / NBITIN, KORE, IFL, NGRID, IPNW(2),
1 KDIM
COMMON /BANDD / DUM6(6), NEL, NEQ, NEQR
COMMON /BANDS / NN(10)
COMMON /GEOMX / GEOM1, GEOM2, GEOM4, SCR1
COMMON /NAMES / RD, RDREW, WRT, WRTREW, REW
COMMON /SYSTEM/ IBUF, NOUT, DUM43(43),KDUM(9)
COMMON /GPTA1 / NE, LAST, INCR, KE(1)
COMMON /ZZZZZZ/ Z(1)
DATA CRIGDR, CRIGD1, CRIGD2, CRIGD3, GENEL /
1 8210, 5310, 5410, 8310, 4301 /
DATA CHBDY, PLOTEL, CRROD, CRBAR, CRTRPT /
1 4208, 5201, 6510, 6610, 6710 /
DATA CRBE1, CRBE2, CRBE3, CRSPLN, MSET /
1 6810, 6910, 7010, 7110, 4HMSET /
DATA SUB, MPC, MAXMPC, DEBUG /
1 4HBREA, 4HD , 4901, 150, .FALSE./
C
C
C CHECK THE PRESENCE OF GEOM2 FILE
C
KG(1) = GEOM2
CALL RDTRL (KG(1))
J = KG(2) + KG(3) + KG(4) + KG(5) + KG(6) + KG(7)
IF (KG(1).LT.0 .OR. J.EQ.0) GO TO 370
DO 10 I = 1,7
10 KG(I) = 0
C
C UPDATE /GPTA1/ IF DUMMY ELEMENTS ARE PRESENT
C
DO 15 I = 1,9
IF (KDUM(I) .EQ. 0) GO TO 15
K = KDUM(I)/10000000
L = (KDUM(I)-K*10000000)/10000
J = (I+51)*INCR
KE(J+ 6) = 2 + K + L
KE(J+10) = K
15 CONTINUE
C
C CHECK THE PRESENCE OF MPC CARDS AND RIGID ELEMENTS. SAVE THEIR
C GRID DATA IN SCR1 FILE FOR TIGER AND UPDATE NEQ AND NEQR COUNTERS
C
IF (NOMPC .EQ. 0) GO TO 200
Z(1) = GEOM4
CALL RDTRL (Z(1))
J = 0
DO 20 I = 2,7
20 J = J + Z(I)
IF (Z(1).LT.0 .OR. J.EQ.0) GO TO 200
C
IBUF2 = IBUF1 - IBUF
CALL OPEN (*290,SCR1,Z(IBUF2),WRTREW)
IFILE = GEOM4
CALL PRELOC (*190,Z(IBUF1),GEOM4)
C
IF (NOMPC .EQ. 1) GO TO 40
C
XXX(1) = MPC
XXX(2) = XXX(1)/100
CALL LOCATE (*40,Z(IBUF1),XXX,J)
25 J = 1
CALL READ (*300,*40,GEOM4,IZ,1,0,M)
30 J = J + 1
CALL READ (*300,*40,GEOM4,KG(J),3,0,M)
IF (KG(J) .NE. -1) IF (J+3-MAXMPC) 30,30,320
J = J - 1
KG(1) = J - 1
CALL WRITE (SCR1,KG,J,1)
NEQ = NEQ + 1
GO TO 25
C
C LOCATE ANY CRIGDR AND CRROD ELEMENTS, AND SAVE THE GRID DATA IN
C SCR1. (DEPENDENT GRID FIRST, AND ONE INDEPENDENT GRID LAST)
C
C FOR ALL RIGID ELEMENTS, THE FIRST WORD OF KG ARRAY CONTAINS
C (NO. OF DEPENDENT + INDEP. GRIDS)*1000 + (NO. OF INDEP. GRIDS)
C THE DATA IN SCR1 WILL BE PROCESSED BY TIGER
C
40 IF (NOMPC .EQ. 3) GO TO 180
XXX(1) = CRIGDR
50 XXX(2) = XXX(1)/100
CALL LOCATE (*60,Z(IBUF1),XXX,J)
55 CALL READ (*300,*60,GEOM4,IZ,1,0,M)
CALL READ (*300,*60,GEOM4,KG(3),3,0,M)
KG(1) = 2*1000 + 1
KG(2) = KG(4)
CALL WRITE (SCR1,KG,3,1)
NEQR = NEQR + 1
GO TO 55
C
60 IF (XXX(1) .EQ. CRROD) GO TO 70
XXX(1) = CRROD
GO TO 50
C
C LOCATE ANY CRIGD1, CRIGD2 AND CRBE2 ELEMENTS, AND SAVE GRID
C DATA IN SCR1. PUT THE ONE INDEPENDENT GRID LAST
C
70 XXX(1) = CRIGD1
75 XXX(2) = XXX(1)/100
CALL LOCATE (*90,Z(IBUF1),XXX,J)
80 J = 1
CALL READ (*300,*90,GEOM4,IZ,2,0,M)
IZ2 = IZ(2)
85 J = J + 1
CALL READ (*300,*90,GEOM4,KG(J),1,0,M)
CALL READ (*300,*90,GEOM4, 0,-6,0,M)
IF (KG(J) .NE. -1) IF (J-MAXMPC) 85,85,320
KG(J) = IZ2
KG(1) = (J-1)*1000 + 1
CALL WRITE (SCR1,KG,J,1)
NEQR = NEQR + 1
GO TO 80
90 IF (XXX(1) .EQ. CRBE2) GO TO 110
C
C LOCATE ANY CRIGD2 ELEMENT
C
IF (XXX(1) .EQ. CRIGD2) GO TO 100
XXX(1) = CRIGD2
GO TO 75
C
C LOCATE ANY CRBE2 ELEMENT
C
100 XXX(1) = CRBE2
GO TO 75
C
C LOCATE ANY CRIGD3, CRBE1, CRBAR AND CRTRPLT ELEMENTS, AND SAVE
C GRID DATA IN SCR1 FILE. PUT THE INDEPENDENT GRID LAST
C
110 XXX(1) = CRBAR
ASSIGN 115 TO IRTN
GO TO 130
115 XXX(1) = CRTRPT
ASSIGN 120 TO IRTN
GO TO 130
120 XXX(1) = CRBE1
ASSIGN 125 TO IRTN
GO TO 130
125 XXX(1) = CRIGD3
ASSIGN 150 TO IRTN
130 XXX(2) = XXX(1)/100
CALL LOCATE (*145,Z(IBUF1),XXX,J)
133 J = 2
K = 1
CALL READ (*300,*145,GEOM4,IZ,1,0,M)
135 CALL READ (*300,*145,GEOM4,IZ(K),1,0,M)
IF (IZ(K) .EQ. MSET) GO TO 137
CALL READ (*300,*145,GEOM4,0,-6,0,M)
K = K + 1
IF (K .GT. 999) GO TO 340
GO TO 135
137 CALL READ (*300,*145,GEOM4,KG(J),1,0,M)
CALL READ (*300,*145,GEOM4,0,-6,0,M)
IF (KG(J) .EQ. -1) GO TO 140
J = J + 1
IF (J .GT. MAXMPC) GO TO 320
GO TO 137
140 K = K - 1
DO 142 I = 1,K
KG(J) = IZ(I)
142 J = J + 1
J = J - 1
KG(1) = (J-1)*1000 + K
CALL WRITE (SCR1,KG,J,1)
NEQR = NEQR + 1
GO TO 133
C
C LOCATE ANY CRSPLINE ELEMENTS, AND SAVE GRID DATA IN SCR1 FILE.
C PUT THE INDEPENDENT GRIDS LAST
145 GO TO IRTN, (115,120,125,150)
C
C LOCATE ANY CRBE3 ELEMENTS, AND SAVE GRID DATA IN SCR1 FILE. PUT
C THE INDEPENDENT GRID LAST
C
150 XXX(1) = CRBE3
XXX(2) = XXX(1)/100
CALL LOCATE (*165,Z(IBUF1),XXX,J)
151 CALL READ (*300,*165,GEOM4,IZ,3,0,M)
IZ2 = IZ(2)
J = 2
CALL READ (*300,*165,GEOM4,0,-2,0,M)
153 CALL READ (*300,*165,GEOM4,KG(J),1,0,M)
K = -KG(J)
IF (K .GT. 0) GO TO (155,157,160) K
J = J + 1
IF (J-MAXMPC) 153,153,320
155 CALL READ (*300,*165,GEOM4,I,1,0,M)
IF (I .EQ. -2) GO TO 157
CALL READ (*300,*165,GEOM4,0,-1,0,M)
GO TO 153
157 CALL READ (*300,*165,GEOM4,KG(J),1,0,M)
IF (KG(J) .LT. 0) GO TO 160
CALL READ (*300,*165,GEOM4,0,-1,0,M)
J = J + 1
GO TO 157
160 KG(J) = IZ2
KG(1) = (J-1)*1000 + 1
CALL WRITE (SCR1,KG,J,1)
NEQR = NEQR + 1
GO TO 151
C
C LOCATE ANY CRSPLINE ELEMENTS, AND SAVE GRID DATA IN SCR1 FILE.
C PUT THE INDEPENDENT GRIDS LAST
C
165 XXX(1) = CRSPLN
XXX(2) = XXX(1)/100
CALL LOCATE (*180,Z(IBUF1),XXX,J)
167 CALL READ (*300,*180,GEOM4,IZ,3,0,M)
K = 1
IZ(K) = IZ(3)
J = 1
170 J = J + 1
173 CALL READ (*300,*175,GEOM4,KG(J),2,0,M)
IF (KG(J) .EQ. -1) GO TO 175
IF (J+2 .GT. MAXMPC) GO TO 320
IF (KG(J+1) .NE. 0) GO TO 170
K = K + 1
IF (K .GT. 999) GO TO 340
IZ(K) = KG(J)
GO TO 173
175 DO 177 I = 1,K
KG(J) = IZ(I)
177 J = J + 1
J = J - 1
KG(1) = (J-1)*1000 + K
CALL WRITE (SCR1,KG,J,1)
NEQR = NEQR + 1
GO TO 167
C
180 DO 185 K = 1,MAXMPC
185 KG(K) = 0
190 CALL CLOSE (GEOM4,REW)
CALL CLOSE (SCR1,REW)
C
C PROCESS ELEMENT CARDS AND FILL UP CONNECTION TABLE IG
C
200 IFILE = GEOM2
CALL PRELOC (*300,Z(IBUF1),GEOM2)
IELEM = 1 - INCR
205 IELEM = IELEM + INCR
IF (IELEM .GT. LAST) GO TO 250
IF (KE(IELEM+3) .EQ. CHBDY ) GO TO 205
IF (KE(IELEM+3) .EQ. PLOTEL) GO TO 205
SCALAR = KE(IELEM+10)
IF (SCALAR .EQ. -1) GO TO 205
CALL LOCATE (*205,Z(IBUF1),KE(IELEM+3),J)
NWDS = KE(IELEM+ 5)
NGPTS = KE(IELEM+ 9)
NGPT1 = KE(IELEM+12)
NCON = NGPTS
210 CALL READ (*300,*205,GEOM2,KG(1),NWDS,0,M)
IF (SCALAR .EQ. 0) GO TO 220
IF (KG(5).EQ.0 .OR. KG(6).EQ.0) GO TO 210
C THE ABOVE CONDITIONS HOLD TRUE FOR CDAMPI, CELASI, AND CMASSI
C WHERE I = 1,2
220 NEL = NEL + 1
CALL SCAT (KG(NGPT1),NCON,INV,II3,NORIG)
IF (NGRID .EQ. -1) GO TO 270
IF (NCON .LE. 1) GO TO 240
NGPT2 = NGPT1 + NCON - 1
K = NGPT2 - 1
DO 230 I = NGPT1,K
L = I + 1
DO 230 J = L,NGPT2
230 CALL SETIG (KG(I),KG(J),IG,NORIG)
240 IF (IELEM-LAST) 210,210,255
C
C SPECIAL TREATMENT FOR GENERAL ELEM.
C (LIMITED TO KDIM*4 GRID POINTS PER GENEL)
C
250 XXX(1) = GENEL
XXX(2) = XXX(1)/100
CALL LOCATE (*270,Z(IBUF1),XXX,J)
KDIM4 = KDIM*4
255 NTOT = 0
CALL READ (*300,*270,GEOM2,K,1,0,M)
K = 0
KGPV = 0
GO TO 263
260 IF (KG(NCON) .EQ. KGPV) GO TO 265
KGPV = KG(NCON)
263 NTOT = NTOT + 1
IF (NTOT .LT. KDIM4) NCON = NTOT
265 CALL READ (*300,*270,GEOM2,KG(NCON),2,0,M)
IF (KG(NCON) .NE. -1) IF (KG(NCON+1)) 260, 265, 260
C GRD SCALAR GRD
C PT. PT. PT.
K = K + 1
XXX(K) = KG(NCON+1)
IF (K .LT. 2) GO TO 265
NCON = NCON - 1
M = XXX(1)
NWDS = 1 + (M*M-M)/2 + M
CALL READ (*300,*270,GEOM2,K,-NWDS,0,M)
CALL READ (*300,*270,GEOM2,K, 1,0,M)
NGPT1 = 1
IF (K .EQ. 0) GO TO 220
NWDS = M*XXX(2)
CALL READ (*300,*270,GEOM2,K,-NWDS,0,M)
GO TO 220
270 CALL CLOSE (GEOM2,REW)
IF (NTOT .GT. KDIM4) GO TO 330
IF (.NOT.DEBUG) RETURN
C
M = NN(1)
WRITE (NOUT,280) NN
WRITE (NOUT,285) ((INV(I,J),J=1,2),I=1,M)
280 FORMAT (//21H /BANDS/ FROM BREAD =,10I8)
285 FORMAT (/12H TABLE INV =,(/10X,2I8))
RETURN
C
290 IFILE = SCR1
300 CALL MESAGE (-1,IFILE,SUB)
320 WRITE (NOUT,325) UWM,IZ(1),MAXMPC
325 FORMAT (A25,', MPC SET (OR CRIGID ID)',I9,
1 ' IS TOO LONG, ONLY THE FIRST',I4, /5X,
2 ' GRID POINTS ARE USED IN THE BANDIT COMPUTATION')
GO TO 180
330 WRITE (NOUT,335) UFM,NTOT
335 FORMAT (A23,', GENEL ELEMENT HAS TOO MANY GRID POINTS,',I7)
J = NTOT/400 + 1
IF (J .LE. 9) WRITE (NOUT,336) J
336 FORMAT (5X,'USER NEEDS TO ADD A ''NASTRAN BANDTDIM=',I1,
1 ''' CARD AND RERUN JOB')
GO TO 350
340 WRITE (NOUT,345)
345 FORMAT ('0*** MORE THAN 1000 INDEPENDENT GRID POINTS USED IN A ',
1 'RIGID ELEMENT')
350 CALL MESAGE (-61,0,0)
C
370 NGRID = 0
RETURN
END
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