[Nek5000-users] Boundary condition loop

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

Hi Aleks,

I was actually thinking about doing just that, was just curious if such an array already existed.  Thanks!

Josh
On Apr 22, 2013, at 9:03 AM, nek5000-users at lists.mcs.anl.gov wrote:

> Hi Josh,
> 
> one additional comment that you can loop with if statements only once to fill up your 1-D mask/pointer array which you can later loop over instead.
> 
> Let me know if you need more details.
> 
> Best.
> Aleks 
> 
> 
> ----- Original Message -----
> From: nek5000-users at lists.mcs.anl.gov
> To: nek5000-users at lists.mcs.anl.gov
> Sent: Monday, April 22, 2013 8:39:22 AM
> Subject: Re: [Nek5000-users] Boundary condition loop
> 
> 
> 
> Hi Josh,
> 
> Your approach is the only one I know of.
> 
> Note that there are many routines around that will access
> the points that are on a given face pair (f,e), so you might
> want to check the structure of those for your "Do computations"
> block.
> 
> Don't forget "integer e,f"    :)
> 
> Cheers, Paul
> 
> 
> On Mon, 22 Apr 2013, nek5000-users at lists.mcs.anl.gov wrote:
> 
>> Neks,
>> 
>> I need to loop over all element faces that are boundary faces (doesn't matter which type of boundary condition).  I know one way to do this would be
>> 
>> do e=1,nelv
>> do f=1,2*ndim
>>   if (cbc(f,e,1).ne.'E  '.and.cbc(f,e,1).ne.'P  ') then
>>       ! Do computations
>>   endif
>> enddo
>> enddo
>> 
>> Is there a more elegant solution for this, maybe some array that points to element/face combinations that are boundary conditions?
>> 
>> Thanks,
>> 
>> Josh
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>> Nek5000-users at lists.mcs.anl.gov
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>> 
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