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61 lines
1.9 KiB
61 lines
1.9 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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C=======================================================================
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SUBROUTINE REFNOD (NELB, IDELB, NUMELB, NUMLNK, LINK, NUMNP, MAP)
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C=======================================================================
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C --*** REFNOD *** (GREPOS) Reference nodes on all elements
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C -- Written by Greg Sjaardema - revised 03/02/90
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C --
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C --Parameters:
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C -- NELB - IN - the number of element blocks
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C -- IDELB - IN - the element block IDs for each block
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C -- NUMELB - IN - the number of elements in each block
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C -- NUMLNK - IN - the number of nodes per element in each block
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C -- LINK - IN - the connectivity for each block
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C -- NUMNP - IN/OUT - the number of nodes on input, the number of
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C active nodes on exit.
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C -- MAP - OUT - list of active nodes
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C -- map(i) > 0 for active node
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C -- map(i) = length of map()+1 for deleted node
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INTEGER IDELB(NELB)
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INTEGER NUMELB(NELB)
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INTEGER NUMLNK(NELB)
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INTEGER LINK(*)
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INTEGER MAP(NUMNP)
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CALL INIINT (NUMNP, 0, MAP)
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IELNK = 0
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DO 10 IELB = 1, NELB
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ISLNK = IELNK + 1
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IELNK = IELNK + NUMLNK(IELB) * NUMELB(IELB)
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IF (IDELB(IELB) .NE. 0) THEN
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CALL REFND1 (NELB, NUMELB(IELB), NUMLNK(IELB), LINK(ISLNK),
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& MAP)
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END IF
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10 CONTINUE
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C .. Set up map of old number to new number. If old id = I, then
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C new id = MAP(I)
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NEWID = 0
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DO 20 NP = 1, NUMNP
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IF (MAP(NP) .GT. 0) THEN
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NEWID = NEWID + 1
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MAP(NP) = NEWID
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ELSE
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MAP(NP) = NUMNP+1
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END IF
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20 CONTINUE
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NUMNP = NEWID
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RETURN
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END
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