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71 lines
2.2 KiB
71 lines
2.2 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 ALLAL3 (LENF, IF2EL, IF2EL2, IE2ELB, NEWELB)
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C=======================================================================
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C --*** ALLAL3 *** (MESH) Adjust for elements all alive (3D)
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C -- Written by Amy Gilkey - revised 03/10/88
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C --
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C --ALLAL3 adjusts the face array to reflect all elements alive.
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C --
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C --An element birth causes all the faces of the element to be moved
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C --as follows:
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C -- Dead -> surface (if one alive element for face) or
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C -- interior (if two alive elements)
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C -- Surface -> interior
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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 -- IF2EL - IN - the element number of each face
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C -- IF2EL2 - IN - the secondary element number of each face
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C -- IE2ELB - IN - the element block for each element
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C -- NEWELB - OUT - size = LENF(NELBLK+1)
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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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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 IF2EL(*), IF2EL2(*)
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INTEGER IE2ELB(NUMEL)
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INTEGER NEWELB(*)
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C --Change half-dead surface faces back to interior faces
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DO 110 IELB = 1, NELBLK
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DO 100 IFAC = LENF(IELB-1)+1, LENF(IELB)
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IF (IF2EL2(IFAC) .GT. 0) THEN
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NEWELB(IFAC) = NELBLK+1
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END IF
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100 CONTINUE
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110 CONTINUE
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C --Leave interior faces alone
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IELB = NELBLK+1
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DO 120 IFAC = LENF(IELB-1)+1, LENF(IELB)
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NEWELB(IFAC) = IELB
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120 CONTINUE
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C --Change dead faces back to surface or interior faces
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IELB = NELBLK+2
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DO 130 IFAC = LENF(IELB-1)+1, LENF(IELB)
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IF (IF2EL2(IFAC) .LE. 0) THEN
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NEWELB(IFAC) = IE2ELB(IF2EL(IFAC))
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ELSE
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NEWELB(IFAC) = NELBLK+1
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END IF
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130 CONTINUE
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RETURN
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END
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