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57 lines
1.8 KiB
57 lines
1.8 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 ZMFIXD (NELBLK, NUMELB, NUMLNK, LINK, NUMNP, IXNP)
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C=======================================================================
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C --*** ZMFIXD *** (GJOIN) Find nodes in element blocks
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C -- Written by Amy Gilkey - revised 01/20/88
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C --
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C --ZMFIXD finds the nodes that are within the existing element blocks.
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C --The new indices of the nodes are stored.
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C --
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C --Parameters:
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C -- NELBLK - IN - the number of element blocks
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C -- NUMELB - IN - the number of elements in each element block
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C -- NUMLNK - IN - the number of nodes per element in each element block
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C -- LINK - IN - the connectivity for all elements
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C -- NUMNP - IN/OUT - the number of nodes; returned compressed
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C -- IXNP - OUT - the index of the compressed node; <= 0 if deleted
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INTEGER NUMELB(*)
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INTEGER NUMLNK(*)
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INTEGER LINK(*)
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INTEGER IXNP(*)
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DO 100 INP = 1, NUMNP
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IXNP(INP) = 0
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100 CONTINUE
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IXL0 = 0
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DO 130 IELB = 1, NELBLK
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DO 120 NE = 1, NUMELB(IELB)
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DO 110 K = 1, NUMLNK(IELB)
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IXNP(LINK(IXL0+K)) = 1
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110 CONTINUE
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IXL0 = IXL0 + NUMLNK(IELB)
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120 CONTINUE
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130 CONTINUE
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C --Index nodes of selected element block within the zoom mesh
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JNP = 0
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DO 140 INP = 1, NUMNP
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IF (IXNP(INP) .GT. 0) THEN
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JNP = JNP + 1
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IXNP(INP) = JNP
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END IF
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140 CONTINUE
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NUMNP = JNP
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RETURN
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END
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