Implementation of the second-order ABC in the FETI-DPEM method for 3D EM problems

Yu Jia Li, Jian Ming Jin

Research output: Contribution to journalArticlepeer-review


The electromagnetic dual-primal finite element tearing and interconnecting (FETI-DPEM) method, originally equipped with the first-order absorbing boundary condition (ABC), is combined with the second-order ABC implemented using auxiliary variables to enhance the accuracy of electromagnetic scattering and radiation simulations. When the second-order ABC surface is partitioned by domain decomposition, it is necessary to enforce an extra continuity condition on the auxiliary variables representing a continuous surface divergence for the electric field at the junctions of the subdomain interfaces and the truncation surface. A simple approach to enforce such a continuity is proposed without altering the overall framework of the FETI-DPEM method. Numerical examples are provided to demonstrate the accuracy improvement due to the use of the second-order ABC.

Original languageEnglish (US)
Pages (from-to)2765-2769
Number of pages5
JournalIEEE Transactions on Antennas and Propagation
Issue number8 II
StatePublished - 2008


  • Domain decomposition method (DDM)
  • Finite element method (FEM)
  • Finite element tearing and interconnecting (FETI)
  • Second-order absorbing boundary condition

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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