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64 lines
2.3 KiB
64 lines
2.3 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 MAKN2B (LENF, NLNKF, LINKF, IELBST, IN2ELB)
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C=======================================================================
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C --*** MAKN2B *** (MESH) Create node to element block index
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C -- Written by Amy Gilkey - revised 03/09/88
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C --
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C --MAKN2B finds the element block to be associated with each node. The
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C --element block is determined by examining the faces which contain the
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C --node. If they all are of the same element block, this is the node's
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C --element block. If not, the node is assigned element block 0.
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C --Only selected element blocks are included in the calculation.
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C --
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C --Parameters:
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C -- LENF - IN - the cumulative face counts by element block
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C -- NLNKF - IN - the number of nodes per face
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C -- LINKF - IN - the connectivity for all faces
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C -- IELBST - IN - the element block status (>0 if selected)
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C -- IN2ELB - OUT - the element block for each node;
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C -- <0 if not in any selected element block
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C -- =0 if in more than one selected element block
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C --
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C --Common Variables:
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C -- Uses NELBLK of /DBNUMS/
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C -- Uses IS3DIM, NUMNPF of /D3NUMS/
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include 'dbnums.blk'
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COMMON /D3NUMS/ IS3DIM, NNPSUR, NUMNPF, LLNSET
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LOGICAL IS3DIM
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INTEGER LENF(0:NELBLK+2)
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INTEGER NLNKF(NELBLK)
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INTEGER LINKF(*)
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INTEGER IELBST(NELBLK)
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INTEGER IN2ELB(NUMNPF)
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CALL INIINT (NUMNPF, -999, IN2ELB)
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DO 120 IELB = 1, NELBLK
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IF (IELBST(IELB) .GT. 0) THEN
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IXL0 = IDBLNK (IELB, 0, LENF, NLNKF) - 1
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DO 110 IFAC = LENF(IELB-1)+1, LENF(IELB)
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DO 100 K = 1, NLNKF(IELB)
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INP = LINKF(IXL0+K)
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IF (IN2ELB(INP) .LT. 0) THEN
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IN2ELB(INP) = IELB
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ELSE IF (IN2ELB(INP) .NE. IELB) THEN
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IN2ELB(INP) = 0
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END IF
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100 CONTINUE
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IXL0 = IXL0 + NLNKF(IELB)
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110 CONTINUE
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END IF
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120 CONTINUE
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RETURN
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END
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