[Nek5000-users] Pn-pn formulation

Tue Jun 3 04:21:32 CDT 2014

Yes, but it starts to become less critical -- both formulations have exponential
convergence.  So, once you're resolved, they are pretty much the same.

________________________________________
From: nek5000-users-bounces at lists.mcs.anl.gov [nek5000-users-bounces at lists.mcs.anl.gov] on behalf of nek5000-users at lists.mcs.anl.gov [nek5000-users at lists.mcs.anl.gov]
Sent: Tuesday, June 03, 2014 4:20 AM
To: nek5000-users at lists.mcs.anl.gov
Subject: Re: [Nek5000-users] Pn-pn formulation

   Hi paul,

   Thanks for reply. Is it good to maintain Pn- Pn for DNS too ??

    Regards,
    Kamal

On 03/06/2014 11:17, nek5000-users at lists.mcs.anl.gov wrote:
> Hi Kamal,
>
> For LES, the extra resolution in the pressure that the PnPn formulation
> has tends to yield better results.
>
> Paul
>
> ________________________________________
> From: nek5000-users-bounces at lists.mcs.anl.gov [nek5000-users-bounces at lists.mcs.anl.gov] on behalf of nek5000-users at lists.mcs.anl.gov [nek5000-users at lists.mcs.anl.gov]
> Sent: Tuesday, June 03, 2014 4:08 AM
> To: nek5000-users at lists.mcs.anl.gov
> Subject: [Nek5000-users] Pn-pn formulation
>
> Hi Neks,
>
> I found that in the turbulence channel example, (Pn-Pn) formulation is
> used instead of (Pn-Pn-2) is there a reason behind to choose that
> formulation for the channel flow (SEM) ??. Could some one please tell me
> what difference does it make.
>
> Thanks in advance
>
> Best Regards,
> Kamal
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