On Fri, Aug 7, 2009 at 4:49 PM, Vijay S. Mahadevan<[email protected]> wrote:
> hmm well thanks for the quick reply John. I haven't has enough time to
> play around too much with the AMR capabilities but I've been playing
> around with it for an eigenvalue problem. It would be useful for me to
> reuse the same mesh as the eigenproblem because the mesh resolves the
> discontinuities in the solution decently and the transient solution
> does not change much spatially. I currently just wrote the final mesh
> in eigenvalue simulation to a file and re-read that for my transient
> and proceeded. Of course, things don't quite look the same because now
> I've lost all information about the constraints.

Write the final mesh of the eigenvalue solution in xda format as well
as gmsh.  Then you should be able to read it back in and do different
calculations on it.  I'm assuming that you solved the eigenproblem in
Libmesh as well... or was it using some other adaptive library?

> Anyway, I have another question based on your answer though. Is there
> a routine to make a given non-conforming mesh to level-0 conforming
> mesh so that it can be read correctly ?

I won't say this is impossible but it would be very difficult (and the
result might be non-unique) even if you could do it.  Short answer:
once you've lost the tree data structure of the grid there's no easy
way to get it back.

-- 
John

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