O(N1.5) solution of hybrid FEM problems

Muhammad A. Nasir, Cho Chew Weng, Padma Raghavan, Michael T. Heath

Research output: Contribution to journalConference articlepeer-review

Abstract

The solution of a hybrid finite element method (HFEM) problem is considered. It is shown that suitable ordering of the FEM mesh results in a canonical HFEM matrix system. This linear system can be solved in O(N1.5) cost when the sparse methods are used. Proposed in this paper is the ordering of the FEM mesh which results in a canonical matrix system. In order to distinguish this ordered form of HFEM from a straightforward HFEM, this technique is called ordered hybrid finite element method (OHFEM).

Original languageEnglish (US)
Pages (from-to)447-450
Number of pages4
JournalIEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Volume1
StatePublished - 1994
EventProceedings of the IEEE Antennas and Propagation International Symposium. Part 3 (of 3) - Seattle, WA, USA
Duration: Jun 19 1994Jun 24 1994

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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