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

  • Petter E. Bjørstad
  • Piotr Krzyżanowski
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2328)

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.

Keywords

Domain Decomposition Domain Decomposition Method Coarse Space Rigid Body Mode Domain Decomposition Algorithm 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Petter E. Bjørstad
    • 1
  • Piotr Krzyżanowski
    • 2
  1. 1.Institute of InformaticsUniversity of BergenBergenNorway
  2. 2.Institute of Applied MathematicsWarsaw UniversityWarszawaPoland

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