• DocumentCode
    3676124
  • Title

    W-FETI: Global Domain Decomposition preconditioning done right

  • Author

    Wei Wang;Marinos N. Vouvakis

  • Author_Institution
    ECE, University of Massachusetts at Amherst, 01003, United States
  • fYear
    2015
  • fDate
    7/1/2015 12:00:00 AM
  • Firstpage
    175
  • Lastpage
    176
  • Abstract
    An effective, efficient and robust algebraic global preconditioner for the FETI-2λ Domain Decomposition Method (DDM) is proposed. The new preconditioner is based on the Woodbury matrix identity, termed as W-FETI, and is inspired by the observation that under certain circumstances the discrete Diritch-to-Newmann (DtN) operators of the domains are rank deficient. Numerical examples showcase the excellent convergence and scalability properties of W-FETI.
  • Keywords
    "Convergence","Robustness","Matrix decomposition","Scattering","Finite element analysis","Yttrium","Scalability"
  • Publisher
    ieee
  • Conference_Titel
    Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2015 IEEE International Symposium on
  • Type

    conf

  • DOI
    10.1109/APS.2015.7304473
  • Filename
    7304473
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3676124