Re: [Libmesh-devel] [Libmesh-users] Support for Matrix-free algorithms

2008-01-24 Thread Benjamin Kirk
> This is an interesting development... > > One thing I would warn against is tying ourselves too close to Petsc. > I am currently waiting on a project to get green lighted where I will > be tying Trilinos into libMesh... where we will have access to other > matrix free solvers (like NOX, which ca

Re: [Libmesh-devel] [Libmesh-users] Support for Matrix-free algorithms

2008-01-23 Thread Benjamin Kirk
> I agree about not tying LibMesh too much to PETSc but since there is a > PetscNonlinearSolver class, I definitely want to use its full potential when > solving nonlinear problems. And hence exposure to the actual snes object > either through a property or function is necessary to have better con

Re: [Libmesh-devel] [Libmesh-users] Support for Matrix-free algorithms

2008-01-23 Thread Derek Gaston
k > Cc: Vijay M; libmesh-devel@lists.sourceforge.net > Subject: Re: [Libmesh-devel] [Libmesh-users] Support for Matrix-free > algorithms > > This is an interesting development... > > One thing I would warn against is tying ourselves too close to Petsc. > I am currently waiting o

Re: [Libmesh-devel] [Libmesh-users] Support for Matrix-free algorithms

2008-01-23 Thread Vijay M
bmesh-devel@lists.sourceforge.net Subject: Re: [Libmesh-devel] [Libmesh-users] Support for Matrix-free algorithms This is an interesting development... One thing I would warn against is tying ourselves too close to Petsc. I am currently waiting on a project to get green lighted where I will be

Re: [Libmesh-devel] [Libmesh-users] Support for Matrix-free algorithms

2008-01-23 Thread Derek Gaston
This is an interesting development... One thing I would warn against is tying ourselves too close to Petsc. I am currently waiting on a project to get green lighted where I will be tying Trilinos into libMesh... where we will have access to other matrix free solvers (like NOX, which can work with

Re: [Libmesh-devel] [Libmesh-users] Support for Matrix-free algorithms

2008-01-23 Thread Benjamin Kirk
Here is a really, really raw example, the comments are not clear right now, but I wanted to keep you informed. This requires the latest svn branch to work. Unpack it in the ./examples directory and run make. Run it as $ ./ex19-dbg -snes_view -r 4 for a successive approximation which will conver