[Nek5000-users] logfile

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Fri Mar 30 06:29:29 CDT 2018


Can you please attach your logfile?


-----Original message-----
> From:nek5000-users at lists.mcs.anl.gov <nek5000-users at lists.mcs.anl.gov>
> Sent: Friday 30th March 2018 13:21
> To: nek5000-users at lists.mcs.anl.gov
> Subject: Re: [Nek5000-users] logfile
> 
> Thanks for the information.
> 
> In my calculation, I am using a variable viscosity formulation. The
> viscosity depends on the temperature. As the run proceeds the initial
> residual for the TEMP gradually rises from 1E+03 until at around at
> the value 6E+07, the logfile shows an error for non-positive
> diffusivity. I have checked the temperature distribution which has no
> such value so as to make the diffusivity negative (or zero). Please
> indicate what I may be doing wrong.
> 
> Thank you
> Swarandeep
> 
> On Fri, Mar 30, 2018 at 3:30 PM,  <nek5000-users at lists.mcs.anl.gov> wrote:
> >
> >>Step   1520, t= 7.6000000E-02, DT= 5.0000000E-05, C=  0.072 5.3831E+03 3.5403E+00
> > timestep, time, dt, Courant Number, elapsed solver time, solver time of last time iteration
> >
> >>1520  Hmholtz TEMP      12   3.8789E-11   4.5120E+07   1.0000E-10
> > timestep, solve type, iteration counter, final residual, initial residual, solver tolerance
> >
> > ...
> >
> >
> > -----Original message-----
> >> From:nek5000-users at lists.mcs.anl.gov <nek5000-users at lists.mcs.anl.gov>
> >> Sent: Friday 30th March 2018 11:52
> >> To: nek5000-users at lists.mcs.anl.gov
> >> Subject: Re: [Nek5000-users] logfile
> >>
> >> The following is my logfile entry (sample lines). The first line is
> >> understandable. What do the values in the third and following lines
> >> denote?
> >>
> >>
> >> ------------------------------------------------------
> >> Step   1520, t= 7.6000000E-02, DT= 5.0000000E-05, C=  0.072 5.3831E+03
> >> 3.5403E+00
> >>              Solving for Hmholtz scalars
> >>        1520  Hmholtz TEMP      12   3.8789E-11   4.5120E+07   1.0000E-10
> >>        1520  Scalars done  7.6000E-02  8.3823E-02
> >>              Solving for fluid
> >>        1520  Helmh3 fluid      17   3.6594E-11   4.7524E-01   1.0000E-10
> >>        1520  U-PRES gmres     120   1.3494E-08   4.5675E-06
> >> 1.0000E-10   7.8799E-01   3.0171E+00
> >>        1520  Fluid done  7.6000E-02  3.3650E+00
> >> --------------------------------------------------------
> >>
> >> On Fri, Mar 30, 2018 at 3:05 PM,  <nek5000-users at lists.mcs.anl.gov> wrote:
> >> > I am not sure what you are talking about?
> >> >
> >> > -----Original message-----
> >> >> From:nek5000-users at lists.mcs.anl.gov <nek5000-users at lists.mcs.anl.gov>
> >> >> Sent: Friday 30th March 2018 10:30
> >> >> To: nek5000-users at lists.mcs.anl.gov
> >> >> Subject: [Nek5000-users] logfile
> >> >>
> >> >> Hi Neks,
> >> >>
> >> >>      What are the entries in the logfile that is output from running
> >> >> the code.  Please let me know where the entries are determined in the
> >> >> code.
> >> >>
> >> >> Thanks
> >> >> Swarandeep
> >> >> _______________________________________________
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> >> >> Nek5000-users at lists.mcs.anl.gov
> >> >> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users
> >> >>
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