Algebraic multilevel preconditioners for non-symmetric PDEs on stretched grids.
Conference
·
OSTI ID:969878
We report on algebraic multilevel preconditioners for the parallel solution of linear systems arising from a Newton procedure applied to the finite-element (FE) discretization of the incompressible Navier-Stokes equations. We focus on the issue of how to coarsen FE operators produced from high aspect ratio elements.
- Research Organization:
- Sandia National Laboratories
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 969878
- Report Number(s):
- SAND2005-3332C
- Country of Publication:
- United States
- Language:
- English
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