[Nek5000-users] logfile

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Fri Mar 30 10:01:38 CDT 2018


The logfile says v17.0-rc1 where the latest release prints v17.0

-----Original message-----
> From:nek5000-users at lists.mcs.anl.gov <nek5000-users at lists.mcs.anl.gov>
> Sent: Friday 30th March 2018 16:55
> To: nek5000-users at lists.mcs.anl.gov
> Subject: Re: [Nek5000-users] logfile
> 
> I am using the latest release. The flow is incompressible. I will
> check with the non-dimensional formulation
> 
> On Fri, Mar 30, 2018 at 7:15 PM,  <nek5000-users at lists.mcs.anl.gov> wrote:
> > Some random observations/comments from the logfile:
> >
> > - Please use the latest offical replease (available as a tarball) instead of the master branch on GitHub
> > - Your're using a dimensional setup with (unreasonably) tight tolerances (as discussed)
> > - Is your flow incompressible?
> >
> > -----Original message-----
> >> From:nek5000-users at lists.mcs.anl.gov <nek5000-users at lists.mcs.anl.gov>
> >> Sent: Friday 30th March 2018 15:33
> >> To: nek5000-users at lists.mcs.anl.gov
> >> Subject: Re: [Nek5000-users] logfile
> >>
> >> Please find the attached link with permissions enabled
> >>  logfile <https://drive.google.com/file/d/1co21p9SNAq_Vs0YQgSp9Y_PeAWvOfem3/view?usp=drive_web>or try the link:
> >>
> >> https://drive.google.com/file/d/1co21p9SNAq_Vs0YQgSp9Y_PeAWvOfem3/view?usp=sharing <https://drive.google.com/file/d/1co21p9SNAq_Vs0YQgSp9Y_PeAWvOfem3/view?usp=sharing>
> >>
> >> On Fri, Mar 30, 2018 at 6:54 PM,  <nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov>> wrote:
> >> Can you please change the permissions such that everyone with the link can read it. Thanks!
> >>
> >> -----Original message-----
> >> > From:nek5000-users at lists.mcs.anl.gov <mailto:From%3Anek5000-users at lists.mcs.anl.gov> <nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov>>
> >> > Sent: Friday 30th March 2018 13:42
> >> > To: nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov>
> >> > Subject: Re: [Nek5000-users] logfile
> >> >
> >> > Please find the link for the logfile
> >> >  logfile <https://drive.google.com/file/d/17OwfMBxok-h5Uy2QWtKGnQUYVBEiG5wC/view?usp=drive_web <https://drive.google.com/file/d/17OwfMBxok-h5Uy2QWtKGnQUYVBEiG5wC/view?usp=drive_web>>
> >> >
> >> > On Fri, Mar 30, 2018 at 4:59 PM,  <nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov> <mailto:nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov>>> wrote:
> >> > Can you please attach your logfile?
> >> >
> >> >
> >> > -----Original message-----
> >> > > From:nek5000-users at lists.mcs.anl.gov <mailto:From%3Anek5000-users at lists.mcs.anl.gov> <mailto:From%3Anek5000-users at lists.mcs.anl.gov <mailto:From%253Anek5000-users at lists.mcs.anl.gov>> <nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov> <mailto:nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov>>>
> >> > > Sent: Friday 30th March 2018 13:21
> >> > > To: nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov> <mailto:nek5000-users at lists.mcs.anl.gov <mailto: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 <mailto:nek5000-users at lists.mcs.anl.gov> <mailto:nek5000-users at lists.mcs.anl.gov <mailto: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 <mailto:From%3Anek5000-users at lists.mcs.anl.gov> <mailto:From%3Anek5000-users at lists.mcs.anl.gov <mailto:From%253Anek5000-users at lists.mcs.anl.gov>> <nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov> <mailto:nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov>>>
> >> > > >> Sent: Friday 30th March 2018 11:52
> >> > > >> To: nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov> <mailto:nek5000-users at lists.mcs.anl.gov <mailto: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 <mailto:nek5000-users at lists.mcs.anl.gov> <mailto:nek5000-users at lists.mcs.anl.gov <mailto: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 <mailto:From%3Anek5000-users at lists.mcs.anl.gov> <mailto:From%3Anek5000-users at lists.mcs.anl.gov <mailto:From%253Anek5000-users at lists.mcs.anl.gov>> <nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov> <mailto:nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov>>>
> >> > > >> >> Sent: Friday 30th March 2018 10:30
> >> > > >> >> To: nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov> <mailto:nek5000-users at lists.mcs.anl.gov <mailto: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
> >> > > >> >> _______________________________________________
> >> > > >> >> Nek5000-users mailing list
> >> > > >> >> Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov> <mailto:Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov>>
> >> > > >> >> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users> <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users>>
> >> > > >> >>
> >> > > >> > _______________________________________________
> >> > > >> > Nek5000-users mailing list
> >> > > >> > Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov> <mailto:Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov>>
> >> > > >> > https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users> <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users>>
> >> > > >> _______________________________________________
> >> > > >> Nek5000-users mailing list
> >> > > >> Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov> <mailto:Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov>>
> >> > > >> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users> <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users>>
> >> > > >>
> >> > > > _______________________________________________
> >> > > > Nek5000-users mailing list
> >> > > > Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov> <mailto:Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov>>
> >> > > > https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users> <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users>>
> >> > > _______________________________________________
> >> > > Nek5000-users mailing list
> >> > > Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov> <mailto:Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov>>
> >> > > https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users> <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users>>
> >> > >
> >> > _______________________________________________
> >> > Nek5000-users mailing list
> >> > Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov> <mailto:Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov>>
> >> > https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users> <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users>>
> >> >
> >> > _______________________________________________
> >> > Nek5000-users mailing list
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> >> > https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users>
> >> _______________________________________________
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> >> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users>
> >>
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