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Article

Čertíková, Marta ; Burda, Pavel ; Novotný, Jaroslav ; Šístek, Jakub
Some remarks on averaging in the BDDC method. (English). In: Chleboun, J., Přikryl, P., Segeth, K. and Šístek, J. (eds.): Programs and Algorithms of Numerical Mathematics. Proceedings of Seminar. Dolní Maxov, June 6-11, 2010. Institute of Mathematics AS CR, Prague, 2010. pp. 28-34
MSC: 65N55
Keywords:
BDDC; interface weights; averaging
Summary:
In this paper, we introduce a general framework for derivation of the averaging operator, from which the standard choices are recovered by simplifications. Then, an alternative approach derived by another simplification is proposed and tested on a 2D example.
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