[Nek5000-users] lelx vs nelx

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Fri Aug 27 05:50:55 CDT 2010


You typically need this only if you are using the fast
tensor-product solver with the Pn-Pn-2 method.

You can safely set it to 1, and set params 116-118 to 0
in the .rea or .usr file.

Paul


On Fri, 27 Aug 2010, nek5000-users at lists.mcs.anl.gov wrote:

> Hi,
>
> I am not exactly understanding what is the LELX parameter and how to use it.
> ( LELX/LELY/LELZ: Maximum number of elements per processor for global fdm 
> solver )
>
> and why sometime in the code there is this check
> (for example in the  turbchannel's userchk or in genbox.f) :
>
>          if(nelx.gt.lelx .or. nely.gt.lely .or. nelz.gt.lelz) then
>           if(nid.eq.0) write(6,*) 'ABORT: nel_xyz > lel_xyz!'
>           call exitt
>         endif
>
> can anyone help me on that ?
>
>
> thank you a lot
> francesco
>



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