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90 lines
2.7 KiB
90 lines
2.7 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 TOSTEP (NSTEP, NUMELB, IDELB, ISEVOK,
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& TIME, VARGL, VARNP, VAREL)
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C=======================================================================
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C --*** TOSTEP *** (EXPLORE) Move database to given time step number
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C --
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C --TOSTEP reads the given time step variables (NSTEP), setting
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C --the time step to the new current time step. A message is
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C --displayed if the time step is too large.
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C --
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C --Parameters:
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C -- NSTEP - IN/OUT - the number of the time step to be read;
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C -- the returned number of the time step actually read
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C -- NUMELB - IN - the number of elements per block
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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(i,j) is NOT 0
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C -- TIME - OUT - the time step time
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C -- VARGL - IN/OUT - the global variables for the time step
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C -- VARNP - IN/OUT - the nodal variables for the time step
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C -- VAREL - IN/OUT - the element variables for the time step
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C --
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C --Common Variables:
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C -- Sets and uses NCSTEP of /DBASE/
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C -- Uses NELBLK, NQAREC, NINFO, NVARHI, NVARGL, NVARNP, NVAREL, NSTEPS
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C -- of /DBNUMS/
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include 'exp_dbase.blk'
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include 'exp_dbnums.blk'
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INTEGER NUMELB(*)
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INTEGER IDELB(*)
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INTEGER ISEVOK(NVAREL,*)
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REAL VARGL(*), VARNP(*), VAREL(*)
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CHARACTER*5 STRA
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LOGICAL FIRST
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SAVE FIRST
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INTEGER NCSTEP
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REAL CTIME
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save ctime
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C --NCSTEP - the current step number
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C --CTIME - the current time
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DATA FIRST / .TRUE. /
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IF (FIRST) THEN
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NCSTEP = -999
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FIRST = .FALSE.
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END IF
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IF (NSTEP .LE. 0) THEN
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CALL INTSTR (1, 0, NSTEP, STRA, LSTRA)
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CALL PRTERR ('CMDERR',
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& 'Invalid time step number ' // STRA(:LSTRA))
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GOTO 150
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END IF
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if (nstep .ne. ncstep) then
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CALL RDSTEP (NDB, NSTEP,
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& NUMELB, IDELB, ISEVOK,
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& CTIME, VARGL, VARNP, VAREL,
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$ max(1,nvarel))
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ncstep = nstep
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END IF
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TIME = CTIME
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IF (NSTEP .GT. NSTEPS) THEN
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IF (NCSTEP .EQ. 0) THEN
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WRITE (*, 10010) 'There are no time steps'
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ELSE
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WRITE (*, 10010)
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& 'All time steps have been read from the database'
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END IF
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END IF
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150 CONTINUE
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NSTEP = NCSTEP
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RETURN
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10010 FORMAT (1X, 5A)
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END
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