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167 lines
5.1 KiB
167 lines
5.1 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 DBITIM (NDB, OPTION, EXODUS,
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& NVARNP, NELBLK, NVAREL, ISEVOK,
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& NSTEPS, NSTEPW, A, KTIMES, KWHOLE, *)
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C=======================================================================
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C --*** DBITIM *** (EXOLIB) Read database time step times
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C -- Written by Amy Gilkey - revised 11/11/87
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C --
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C --DBITIM reads all time steps of the database, storing the time for
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C --each step in dynamic memory. It also sets the number of time steps.
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C --If there is a dynamic memory problem, the routine returns immediately
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C --without issuing an error message. If there is a read error, a
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C --warning is printed and the step with the error is ignored.
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C --
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C --Parameters:
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C -- NDB - IN - the database number
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C -- OPTION - IN - ' ' to not store, '*' to store all, else store options:
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C -- 'W' to store whole times only
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C -- 'H' to store history times only
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C -- EXODUS - IN - true iff this is an EXODUS file
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C -- NVARNP - IN - the number of nodal variables
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C -- NELBLK - IN - the number of element blocks
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C -- NVAREL - IN - the number of element variables
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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 -- NSTEPS - OUT - the number of database time steps
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C -- NSTEPW - OUT - the number of whole (versus history) database time steps
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C -- A - IN/OUT - the dynamic memory base array
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C -- KTIMES - OUT - the dynamic memory index of TIMES (if OPTION)
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C -- KWHOLE - OUT - the dynamic memory index of WHOTIM (if OPTION);
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C -- WHOTIM(i) is true iff TIMES(i) is a whole (versus history) time step
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C -- * - return statement if error encountered, message is printed
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C --
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C --Database must be positioned in front of first time step upon entry;
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C --upon exit positioned at end of file.
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PARAMETER (MEMAMT=128)
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INTEGER NDB
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CHARACTER*(*) OPTION
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LOGICAL EXODUS
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INTEGER NVARNP, NELBLK, NVAREL
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C --NOTE: ISEVOK is doubly-dimensioned array (NELBLK,NVAREL)
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LOGICAL ISEVOK(*)
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INTEGER NSTEPS, NSTEPW
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REAL A(*)
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INTEGER KTIMES
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INTEGER KWHOLE
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LOGICAL STOWHO, STOHIS
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LOGICAL WHOTIM
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NSTEPS = 0
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NSTEPW = 0
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STOWHO = ((OPTION .EQ. '*') .OR. (INDEX (OPTION, 'W') .GT. 0))
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STOHIS = ((OPTION .EQ. '*') .OR. (INDEX (OPTION, 'H') .GT. 0))
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IF (STOWHO .OR. STOHIS) THEN
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NSTOR = 0
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C --Reserve memory for step times
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MAXMEM = MEMAMT
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CALL MDRSRV ('TIMES', KTIMES, MAXMEM)
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IF (STOWHO .AND. STOHIS) THEN
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CALL MDRSRV ('WHOTIM', KWHOLE, MAXMEM)
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END IF
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CALL MDSTAT (NERR, MEM)
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IF (NERR .GT. 0) GOTO 150
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END IF
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IF (.NOT. EXODUS) GOTO 140
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WRITE (*, 10000) 'Please wait while the step times are read in'
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C --Set NRECST = the number of database records in a whole time step
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NRECST = 1 + 1 + 1 + NVARNP
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DO 110 IELB = 1, NELBLK
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DO 100 I = 1, NVAREL
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IF (ISEVOK( (I-1)*NELBLK+IELB) ) THEN
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NRECST = NRECST + 1
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END IF
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100 CONTINUE
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110 CONTINUE
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120 CONTINUE
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IF (.TRUE.) THEN
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C --Read step time
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READ (NDB, END=140, ERR=140, IOSTAT=IERR) TIME, HISTFL
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WHOTIM = (HISTFL .EQ. 0.0)
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C --Scan by variables
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IF (WHOTIM) THEN
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N = NRECST
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ELSE
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N = 2
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END IF
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DO 130 I = 2, N
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READ (NDB, END=160, ERR=160, IOSTAT=IERR)
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130 CONTINUE
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IF ((STOWHO .AND. WHOTIM) .OR.
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& (STOHIS .AND. (.NOT. WHOTIM))) THEN
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C --Reserve more space for times if needed
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IF (NSTOR .GE. MAXMEM) THEN
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MAXMEM = MAXMEM + MEMAMT
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CALL MDLONG ('TIMES', KTIMES, MAXMEM)
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IF (STOWHO .AND. STOHIS) THEN
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CALL MDLONG ('WHOTIM', KWHOLE, MAXMEM)
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END IF
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CALL MDSTAT (NERR, MEM)
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IF (NERR .GT. 0) GOTO 150
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END IF
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C --Store step time after time step read correctly
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A(KTIMES+NSTOR) = TIME
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IF (STOWHO .AND. STOHIS) THEN
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CALL CPYLOG (1, WHOTIM, A(KWHOLE+NSTOR))
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END IF
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NSTOR = NSTOR + 1
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END IF
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NSTEPS = NSTEPS + 1
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IF (WHOTIM) NSTEPW = NSTEPW + 1
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GOTO 120
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END IF
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140 CONTINUE
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C --Shorten space reserved for step times
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IF (STOWHO .OR. STOHIS) THEN
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CALL MDLONG ('TIMES', KTIMES, NSTOR)
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IF (STOWHO .AND. STOHIS) THEN
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CALL MDLONG ('WHOTIM', KWHOLE, NSTOR)
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END IF
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CALL MDSTAT (NERR, MEM)
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IF (NERR .GT. 0) GOTO 150
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END IF
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150 CONTINUE
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RETURN
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160 CONTINUE
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CALL PRTERR ('WARNING', 'End-of-file during time steps')
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RETURN
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10000 FORMAT (/, 1X, A)
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END
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