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100 lines
3.0 KiB
100 lines
3.0 KiB
2 years ago
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C Copyright(C) 1999-2020 National Technology & Engineering Solutions
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C of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
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C NTESS, the U.S. Government retains certain rights in this software.
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C
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C See packages/seacas/LICENSE for details
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SUBROUTINE SAVREG (MXND, MAXNBC, MAXSBC, XN, YN, NUID, LXK, NXL,
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& LXN, LSTNBC, LSTSBC, KNBC, KSBC, NNN, KKK, NUMREG, IUNIT, BAR,
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& M1)
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C***********************************************************************
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C SUBROUTINE SAVREG = SAVES THE NODE AND ELEMENT DESCRIPTIONS AS WELL
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C AS THE BOUNDARY CONDITIONS
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C***********************************************************************
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C NOTE:
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C THE MESH TABLES ARE EFFECTIVELY DESTROYED BY THIS ROUTINE
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C***********************************************************************
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DIMENSION XN (MXND), YN (MXND), NUID (MXND)
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DIMENSION LXK (4, MXND), NXL (2, MXND*3), LXN (4, MXND)
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DIMENSION LSTNBC (MAXNBC), LSTSBC (MAXSBC), NODES (4)
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LOGICAL CCW, BAR
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CCW = .TRUE.
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IF (.NOT.BAR) THEN
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C DEFINE NUID-S FOR INTERIOR NODES.
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C SKIP DELETED NODES AND CONTINUATIONS.
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K = 0
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DO 100 I = 1, NNN
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IF ((NUID (I) .EQ. 0) .AND. (LXN (1, I) .GT. 0)) THEN
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K = K+1
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NUID (I) = NUMREG*100000+K
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ENDIF
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100 CONTINUE
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C GET COUNTER-CLOCKWISE NODE LISTS.
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C (THESE LISTS WILL OVERWRITE THE LXK ARRAY.)
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C DELETED ELEMENTS WILL BE SKIPPED.
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J = 0
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IDEL = 0
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DO 130 K = 1, KKK
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IF (LXK (1, K) .LE. 0) THEN
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DO 110 JJ = 2, KSBC, 3
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IF (LSTSBC (JJ) .GE. (K - IDEL)) THEN
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LSTSBC (JJ) = LSTSBC (JJ) - 1
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ENDIF
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110 CONTINUE
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IDEL = IDEL + 1
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ELSE
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CALL GNXKA (MXND, XN, YN, K, NODES, AREA, LXK, NXL, CCW)
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J = J+1
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DO 120 I = 1, 4
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N = NODES (I)
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LXK (I, J) = IABS (NUID (N))
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120 CONTINUE
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ENDIF
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130 CONTINUE
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KKK = J
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ELSE
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DO 140 I = 1, KKK
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LXK (1, I) = IABS (NUID (LXK (1, I)))
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LXK (2, I) = IABS (NUID (LXK (2, I)))
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140 CONTINUE
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ENDIF
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C COLLAPSE THE NODE ARRAYS TO ELIMINATE DELETED NODES,
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C CONTINUATIONS, AND NODES ALREADY WRITTEN OUT.
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K = 0
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DO 150 I = 1, NNN
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IF ( ( (LXN (1, I) .GT. 0) .OR. (BAR))
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& .AND. (NUID (I) .GT. 0) ) THEN
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K = K+1
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XN (K) = XN (I)
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YN (K) = YN (I)
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NUID (K) = NUID (I)
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ENDIF
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150 CONTINUE
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NNN = K
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C WRITE HEADER, NODE LIST, ELEMENT LIST, AND BOUNDARY LISTS
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WRITE (IUNIT)KKK, NNN, KNBC, KSBC, NUMREG, BAR, M1
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IF (NNN .GE. 1) WRITE (IUNIT) (NUID (I), XN (I), YN (I),
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& I = 1, NNN)
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WRITE (IUNIT) ((LXK (I, J), I = 1, 4), J = 1, KKK)
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IF (KNBC .GT. 0)WRITE (IUNIT) (LSTNBC (I), I = 1, KNBC)
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IF (KSBC .GT. 0)WRITE (IUNIT) (LSTSBC (I), I = 1, KSBC)
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RETURN
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END
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