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Nonconforming h-p spectral element methods for elliptic problems

โœ Scribed by P K Dutt; N Kishore Kumar; C S Upadhyay


Book ID
107589217
Publisher
Indian Academy of Sciences
Year
2007
Tongue
English
Weight
527 KB
Volume
117
Category
Article
ISSN
0253-4142

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๐Ÿ“œ SIMILAR VOLUMES


Preconditioners for spectral element met
โœ P. Dutt; P. Biswas; G. Naga Raju ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 187 KB

In this paper we propose preconditioners for spectral element methods for elliptic and parabolic problems. These preconditioners are constructed using separation of variables and are easy to invert. Moreover they are spectrally equivalent to the quadratic forms which they are used to approximate.