Thank you, Bruno. :-) On Tuesday, May 12, 2020 at 2:50:35 PM UTC+2, Bruno Turcksin wrote: > > Konrad, > > There is nothing out of the box. However, deal.II uses p4est which can > use more that one layer of ghost cells. So you should take a look > there to see how hard it is to change the code. If that's the way you > want to go, I am sure that someone will be able to provide you with > some guidance. > > Best, > > Bruno > > Le mar. 12 mai 2020 à 06:04, Konrad Simon <ksimo...@gmail.com > <javascript:>> a écrit : > > > > Thank you, Bruno. What is sometimes done for semi-Lagrangian methods is > that one defines a halo region around the locally owned cells (like ghost > cells) that contains information from previous time steps and then limits > the time step so that one never leaves the halo region when asking for > information from previous time steps. Is there a way in Deal.ii to control > the size of the halo region. In my case I have pretty uniform grids if it > helps. > > > > Best, > > Konrad > > > > On Monday, May 11, 2020 at 2:49:21 PM UTC+2, Bruno Turcksin wrote: > >> > >> Konrad, > >> > >> Unfortunately, you will need to do the communication yourself. You can > only evaluate the solution on cells that locally owned or on ghost cells. > >> > >> Best, > >> > >> Bruno > > > > -- > > The deal.II project is located at http://www.dealii.org/ > > For mailing list/forum options, see > https://groups.google.com/d/forum/dealii?hl=en > > --- > > You received this message because you are subscribed to a topic in the > Google Groups "deal.II User Group" group. > > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/dealii/9li9twVxrGE/unsubscribe. > > To unsubscribe from this group and all its topics, send an email to > dea...@googlegroups.com <javascript:>. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/bfc6dd81-abb3-421c-8f6c-539c234b624f%40googlegroups.com. > > >
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