[Nek5000-users] solver tolerances and norm of residual

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

Hi Frank,

The rea file has been attached.
Meanwhile I'll check the BC...

Thanks

> Hello Alex,
>
> I looked through your files & didn't see anything amiss (by the way, it
> would be best to post your *.rea file).  Since it blows up on the first
> attempt to solve for pressure, perhaps the BC's don't satisfy
> conservation of mass?
>
> Cheers,
> Frank
>
>
>
> On Tue, 2010-11-16 at 11:40 -0500, nek5000-users at lists.mcs.anl.gov
> wrote:
>
>> Hi Nek users,
>>
>> I am new in using Nek5. I have succesfully simualted the lid-driven
>> flow,
>> rayleigh-bénard in a square cavity and laminar poiseuille flow. All of
>> them were 2d cases. I though it would be straightforward to move from 2D
>> to 3D simualtions but I have not been able to run a 3D poiseuille
>> channel.
>> I am obtaining an error on Helmoltz solver even in the first iteration.
>>
>> Please, find output, usr and box files attached.
>> Thanks in advance.
>>
>> ..........................................
>>            Alex Fabregat
>>         Post-doctoral fellow
>>         University of Ottawa
>> Department of Mechanical Engineering
>> _______________________________________________
>> Nek5000-users mailing list
>> Nek5000-users at lists.mcs.anl.gov
>> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users
>
> --
> Frank Herbert Muldoon, Ph.D. Mechanical Engineering
> Technische Universität Wien (Vienna University of Technology)
> Inst. f. Strömungsmechanik und Wärmeübertragung (Institute of Fluid
> Mechanics and Heat Transfer)
> Resselgasse 3
> 1040 Wien
> Tel: +4315880132232
> Fax: +4315880132299
> Cell:+436765203470
> fmuldoo (skype)
> http://tetra.fluid.tuwien.ac.at/fmuldoo/public_html/webpage/frank-muldoon.html
> _______________________________________________
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> Nek5000-users at lists.mcs.anl.gov
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>


..........................................
           Alex Fabregat
        Post-doctoral fellow
        University of Ottawa
Department of Mechanical Engineering
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