Hello,
We have a domain split up into two subdomains, the first subdomain
has a higher resolution mesh and solves a complex physics, while the second
has a lower resolution mesh and a simpler physics.
We are observing that, with GMRES, the completely complex problem solves
much faster than with a multiphysics setup (10% domain being complex
physics). We are trying to see if this is due to a linear solver choice
issue.
Would GMRES have a problem with a subdomain physics/mesh split up ? Is
PCFIELDSPLIT a better way to go here ?
Thanks.
--
Vikram Garg
Postdoctoral Associate
The University of Texas at Austin
http://vikramvgarg.wordpress.com/
http://www.runforindia.org/runners/vikramg
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