Dear All, Thanks for the reply. Could you please indicate why exactly pyFR does not have local dt for steady state solutions? I mean, is there any constraint in FR different from the normal local dt used in FV?
Cheers, Antonio On Monday, October 20, 2014 11:38:39 PM UTC+2, Vincent, Peter E wrote: > > Hi Antonio > > I would add that in the next release of PyFR (v0.2.3) we will have support > for adaptive step-size control based on error estimating RK schemes, > however this will adapt the global dt, not local dt. As Freddie says, we do > not have element local dt in PyFR at the moment. > > Cheers > > Peter > > On 20 Oct 2014, at 14:19, Freddie Witherden <[email protected] > <javascript:>> wrote: > > > On 20/10/14 12:01, Antonio Garcia-Uceda wrote: > >> Dear All, > >> > >> My name is Antonio Garcia-Uceda, and I'm working on Flux > Reconstruction. > >> I'd like to know the way you compute the local time step in FR, for > >> steady state solution. Originally I was using an approach inherited > from > >> FV (i.e. cellwise computation using cell-averaged solution values), and > >> then apply this value to all solution points throughout the cell > However > >> I'm aware that this may over-restrict the real CFL limit at each point. > >> Do you compute the time step rather in a pointwise manner? Thanks in > >> advance. > > > > PyFR does not use local time stepping; the time step is the same for all > > elements in the simulation. If you're interested in solving steady > > state problems there are better tools for the job (fully implicit > > schemes with HP adaptivity, for example). > > > > Regards, Freddie. > > > > -- > > You received this message because you are subscribed to the Google > Groups "PyFR Mailing List" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected] <javascript:>. > > To post to this group, send an email to [email protected] > <javascript:>. > > Visit this group at http://groups.google.com/group/pyfrmailinglist. > > For more options, visit https://groups.google.com/d/optout. > > -- You received this message because you are subscribed to the Google Groups "PyFR Mailing List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. Visit this group at http://groups.google.com/group/pyfrmailinglist. For more options, visit https://groups.google.com/d/optout.
