A Flexible 2-Level Neumann-Neumann Method for Structural Analysis Problems

Authors:
Petter E. Bjørstad;Piotr Krzyzanowski
Affiliations:
-;-
Venue:
PPAM '01 Proceedings of the th International Conference on Parallel Processing and Applied Mathematics-Revised Papers
Year:
2001

Citing 5
Cited 0

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Abstract

We discuss a new approach for the construction of the second-level Neumann-Neumann coarse space. Our method is based on an inexpensive and parallel analysis of the lower part spectrum of each subdomain stiffness matrix. We show that the method is flexible enough to converge fast on nonstandard decompositions and various types of finite elements used in structural analysis packages.