[Nek5000-users] problem about case turbChannel

[nek5000-users at lists.mcs.anl.gov]

Thanks a lot! I download the latest master branch of Nek5000 and NekExamples , and the problem was solved!
Hu


> -----原始邮件-----
> 发件人: nek5000-users at lists.mcs.anl.gov
> 发送时间: 2017年2月17日 星期五
> 收件人: "nek5000-users at lists.mcs.anl.gov" <nek5000-users at lists.mcs.anl.gov>
> 抄送: 
> 主题: Re: [Nek5000-users] problem about case turbChannel
> 
> What compiler are you using? 
> Can you please download the latest master branch of Nek5000 and NekExamples on GitHub and try again.  
> 
>  
> -----Original message-----
> > From:nek5000-users at lists.mcs.anl.gov <nek5000-users at lists.mcs.anl.gov>
> > Sent: Friday 17th February 2017 11:34
> > To: nek5000-users at lists.mcs.anl.gov
> > Subject: Re: [Nek5000-users] problem about case turbChannel
> > 
> > Hi, Tanmoy
> > Thanks! Here are parts of my logfile, and please see the attachment for details. (I didn't change any data for this case)
> > Starting time loop ...
> >      DT/DTCFL/DTFS/DTINIT   0.200E-01   0.227-314   0.227-314   0.200E-01
> > Step      1, t= 2.0000000E-02, DT= 2.0000000E-02, C=  0.521 0.0000E+00 0.0000E+00
> > filt amp 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0125 0.0500
> > filt trn 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 0.9875 0.9500
> >              Solving for fluid
> >     1 1.00000E-05         NaN         NaN         NaN       1 Divergence
> >     2 1.00000E-05         NaN         NaN         NaN       1 Divergence
> >     3 1.00000E-05         NaN         NaN         NaN       1 Divergence
> > 
> > Best regards!
> > Hu
> > -----原始邮件-----
> > 发件人: nek5000-users at lists.mcs.anl.gov
> > 发送时间: 2017年2月14日 星期二
> > 收件人: nek5000-users at lists.mcs.anl.gov
> > 抄送: 
> > 主题: Re: [Nek5000-users] problem about case turbChannel
> > 
> > Hi Hu,
> > 
> > Please post a MWE (minimal working example), a logfile / and or a .usr file snippet which your are changing, otherwise it is hard to comment.
> > <br clear="all" />Best Regards,
> > Tanmoy
> > 
> > On Mon, Feb 13, 2017 at 6:42 AM, <nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov>> wrote:
> > Hi all,
> > When I tried to do the test "turbChannel", I found value NAN appeared in the process, and after a while the pressure solver detect rank deficiency. I tried almost all the
> > test case, and found this problem appeared in some other cases. I want to know why and how to accomplish the turbChannel case. Should I change any values in the .usr file?
> > 
> > Best wishes!
> > Hu
> > 
> > 
> > 
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