A side question: would that mean that the said set of operators is there already for regular structured (topologically Cartesian) grids?
On Tue, Jan 3, 2012 at 1:47 PM, Tim Gallagher <tim.gallagher at gatech.edu> wrote: > I would also be interested in discussing staggered grids, both how to do > them correctly and best ways to do them with what we've got in PETSc > currently. > > Tim > > ________________________________ > From: "Jed Brown" <jedbrown at mcs.anl.gov> > To: "PETSc users list" <petsc-users at mcs.anl.gov> > Sent: Tuesday, January 3, 2012 7:28:35 AM > Subject: Re: [petsc-users] Differential operators in PETSc > > > On Tue, Jan 3, 2012 at 03:22, Alexander Grayver <agrayver at gfz-potsdam.de> > wrote: >> >> I want to implement general procedures to generate discretized >> differential operators (like grad,div,curl,laplacian) using PETSc and >> staggered structured grids. >> Before I start, I am wondering if there is something similar in PETSc >> already? > > > PETSc does not have specific support for staggered grids at this time. There > are a few ways to do it, but none are ideal and we have a proposal pending > in which one item is to improve staggered grid support (but we won't hear > back for several months). If you want to do this, it would be useful to > discuss how to manage staggered grids. The petsc-dev list would be the best > place for those discussions. >
