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108 lines
3.4 KiB
108 lines
3.4 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 DTREAD (A, ISTEP, IDTVAR, NNDVAR, NEDVAR,
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& LENF, IF2EL, IELBST, ISEVOK, VARNP, VARFAC, VAR, LVARF)
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C=======================================================================
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C --*** DTREAD *** (DETOUR) Read variables for time step
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C -- Written by Amy Gilkey - revised 05/11/88
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C --
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C --DTREAD reads the nodal and element variables needed for the time step.
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C --The element variables are converted to face variables.
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C --
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C --Parameters:
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C -- A - IN - the dynamic memory base array
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C -- ISTEP - IN - the selected time step number
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C -- IDTVAR - IN - the variable numbers
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C -- NNDVAR - IN - the number of nodal variables needed
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C -- NEDVAR - IN - the number of element variables needed
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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 -- IELBST - IN - the element block status (>0 if selected)
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C -- ISEVOK - IN - the element block variable truth table;
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C -- variable i of block j exists iff ISEVOK(j,i)
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C -- VARNP - OUT - the nodal variable values
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C -- (sized for all needed nodal variables)
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C -- VARFAC - OUT - the face variable values
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C -- (sized for all needed element variables)
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C -- VAR - SCRATCH - array to hold an element variable
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C --
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C --Common Variables:
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C -- Uses NUMNP, NUMEL, 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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DIMENSION A(*)
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INTEGER IDTVAR(*)
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INTEGER LENF(0:NELBLK)
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INTEGER IF2EL(*)
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INTEGER IELBST(NELBLK)
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LOGICAL ISEVOK(NELBLK,*)
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REAL VARNP(NUMNP,*)
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REAL VARFAC(LVARF,*)
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REAL VAR(NUMEL)
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CHARACTER TYP
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DO 160 IVAR = MAX (NNDVAR, NEDVAR), 1, -1
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C --Get the variable type
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CALL DBVTYP_BL (IDTVAR(IVAR), TYP, ID)
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C --Read in variable
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IF (TYP .EQ. ' ') THEN
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C --Zero out nodal variable and element variable if needed
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IF (NNDVAR .GE. IVAR) THEN
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DO 110 INP = 1, NUMNP
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VARNP(INP,IVAR) = 0.0
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110 CONTINUE
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END IF
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IF (NEDVAR .GE. IVAR) THEN
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DO 130 IELB = 1, NELBLK
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IF (IELBST(IELB) .GT. 0) THEN
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DO 120 IFAC = LENF(IELB-1)+1, LENF(IELB)
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VARFAC(IFAC,IVAR) = 0.0
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120 CONTINUE
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END IF
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130 CONTINUE
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END IF
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ELSE IF (TYP .EQ. 'N') THEN
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C --Get nodal variable
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CALL GTMVAR (A, IDTVAR(IVAR), -999, ISTEP, NUMNPF,
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& VARNP(1,IVAR))
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ELSE IF (TYP .EQ. 'E') THEN
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C --Get element variable, change to face variable
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CALL GETVAR (A, IDTVAR(IVAR), -1, ISTEP, NUMEL, VAR)
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DO 150 IELB = 1, NELBLK
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IF ((IELBST(IELB) .GT. 0) .AND. ISEVOK(IELB,ID)) THEN
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DO 140 IFAC = LENF(IELB-1)+1, LENF(IELB)
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VARFAC(IFAC,IVAR) = VAR(IF2EL(IFAC))
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140 CONTINUE
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END IF
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150 CONTINUE
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END IF
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160 CONTINUE
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RETURN
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END
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