[petsc-users] Differential operators in PETSc

[Tim Gallagher]

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 

----- Original Message -----

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. 
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