Cool, thanks! On Fri, Nov 22, 2019 at 4:24 PM Stogner, Roy H <royst...@ices.utexas.edu> wrote:
> > On Fri, 22 Nov 2019, Renato Poli wrote: > > > I am alternatively considering a global L2 Glaerkin mapping. > > > > Something like - find f_i where: > > f(x,y)=f_i \phi_i (new mesh) > > g(x,y) (function evaluated in the old mesh) > > \int f(x,y) \phi dA = \int g(x,y) \phi dA > > > > It make take more time, > > It may take more CPU time but I bet it'll be *much* cheaper in > programmer-hours. > > > but it looks safe ... doesn't it? > > That depends on your problem and your formulation, I think. Global > projections can be a great way to maintain conservation, but they're > prone to "ringing" artifacts, and either one of those factors can be > critically important or nearly inconsequential depending on what > you're solving and how. > --- > Roy _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
