[Nek5000-users] NaN after velocity save

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Thu Jan 6 13:53:32 CST 2011


Aleks,

Thanks, that did it.    Incidentally, I was starting it *with* the steady-state solution, so it couldn't have been closer!

--Mike

On Jan 6, 2011, at 12:49 PM, <nek5000-users at lists.mcs.anl.gov> wrote:

> Hi Mike,
> 
> Before we look at the case, can you try it with p94=p95=0?  Once a 
> solution is close to steady state there can be a problem with 
> projection...
> 
> Thanks,
> Aleks
> 
> On Thu, 6 Jan 2011, nek5000-users at lists.mcs.anl.gov wrote:
> 
>> Hello All.
>> 
>> I'm try to run about the simplest problem possible in order to test some in-house post-processing code.
>> 
>> So, I'm trying to run a 2-D simulation of planar couette flow and I'm doing so in serial on my mac.  Once velocity solutions start being saved, param=94, I abruptly start getting NaN's.
>> 
>> Any thoughts as to what's going wrong??
>> 
>> Attached are the relevant files.
>> 
>> Thanks.
>> --Mike
>> 
>> 
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