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68 lines
2.0 KiB
68 lines
2.0 KiB
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 FIXAL2 (ALIVE, LENF, IF2EL, IE2ELB, NEWELB)
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C=======================================================================
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C --*** FIXAL2 *** (MESH) Adjust for element birth/death (2D)
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C -- Written by Amy Gilkey - revised 03/10/88
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C --
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C --FIXAL2 adjusts the face array to reflect the new element states.
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C --Faces that are dead are moved to LENF(NELBLK+2).
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C --
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C --Parameters:
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C -- ALIVE - IN - true iff element i is alive
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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 -- 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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LOGICAL ALIVE(NUMEL)
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INTEGER LENF(0:NELBLK+2)
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INTEGER IF2EL(*)
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INTEGER IE2ELB(NUMEL)
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INTEGER NEWELB(*)
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DO 110 IELB = 1, NELBLK+2
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DO 100 IFAC = LENF(IELB-1)+1, LENF(IELB)
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NEWELB(IFAC) = IELB
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100 CONTINUE
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110 CONTINUE
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C --Check each face by its defining elements, and move face if necessary
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DO 130 IELB = 1, NELBLK+2
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DO 120 IFAC = LENF(IELB-1)+1, LENF(IELB)
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C --Determine if the element for this face is alive
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IEL = IF2EL(IFAC)
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IF (ALIVE(IEL)) THEN
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C --If alive, change to an ALIVE face
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NEWELB(IFAC) = IE2ELB(IEL)
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ELSE
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C --If not alive, change to a DEAD face
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NEWELB(IFAC) = NELBLK+2
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END IF
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120 CONTINUE
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130 CONTINUE
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RETURN
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END
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