[Nek5000-users] Grid to grid interpolation

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

Sure you can interpolate onto a smaller mesh as well.
Stefan

On Thu, Sep 2, 2010 at 6:13 PM, <nek5000-users at lists.mcs.anl.gov> wrote:

> Hi Stefan,
>
>
>
> I have a question about this routine.  I haven't tried this yet, but I am
> curious if the "overall domain"
>
> of the new mesh needs to be exactly the same as the old mesh?  Or if you
> can remove a portion of
>
> the domain completely, but still use g2gi to interpolate onto the new,
> remaining mesh?
>
>
>
> Thanks for any info!
>
>
>
> - Michael
>
>
> ----- Original Message -----
> From: nek5000-users at lists.mcs.anl.gov
> To: nek5000-users at lists.mcs.anl.gov
> Sent: Tuesday, August 24, 2010 1:45:24 AM GMT -06:00 US/Canada Central
> Subject: Re: [Nek5000-users] Grid to grid interpolation
>
> Shriram:
>
> The g2gi() routine can be used to interpolate an existing field file onto a
> new mesh - so it will do exactly what you want to do.
> For more details:
> http://nek5000.mcs.anl.gov/index.php/Data_processing_example
>
> Stefan
>
>
> On Tue, Aug 24, 2010 at 3:31 AM, <nek5000-users at lists.mcs.anl.gov> wrote:
>
>> Hi,
>>
>> Recently there was an updated routine in nek called grid-to-grid
>> interpolation (g2gi). I tried to understand it by grepping to source code,
>> but couldn't make much sense out of it. Could anyone brief what it is it for
>> ?
>>
>> I have a nek simulation in which I have got lots of data, but for some
>> comparisons, would like to do a grid refinement (quad/oct from prenek) and
>> restart from the existing field files if that is possible. I know that for
>> h-type refinement, usually the simulation has to be started afresh. But I
>> was wondering if g2gi would make it possible to restart from a previous
>> simulation.
>>
>> Thanks
>> Shriram
>>
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>
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