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Convergence of preconditioned iterative methods

โœ Scribed by Liu Xing-ping

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
677 KB
Volume
146
Category
Article
ISSN
0024-3795

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๐Ÿ“œ SIMILAR VOLUMES

On a class of preconditioned iterative m
On a class of preconditioned iterative methods on parallel computers
โœ O. Axelsson; G. Carey; G. Lindskog ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 856 KB

The standard implementations of iteratike solvers for finitc elcment and finite difercnce mcthods frequently use a diagonal (Jacobi) preconditioncr, particularly for element-by-element schemes. However, for such methods the actual order of the condition number with respect to mesh size is not reduce

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Static or Guyan reduction is widely used to reduce the number of degrees of freedom in a finite element model, but it is exact only at zero frequency. The Improved Reduced System (IRS) method makes some allowance for the inertia terms and produces a reduced model which more accurately estimates the