A 2D interface-enriched generalized FEM for em analysis of composite materials

Kedi Zhang; Ahmad Raeis Najafi; Philippe H. Geubelle; Jian Ming Jin

doi:10.1109/APS.2015.7304471

A 2D interface-enriched generalized FEM for em analysis of composite materials

Kedi Zhang, Ahmad Raeis Najafi, Philippe H. Geubelle, Jian Ming Jin

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

An interface-enriched generalized finite-element method (IGFEM) is proposed for efficient electromagnetic analysis of composite materials with complex internal structures. By enriching the solution space at material interfaces, the IGFEM, even without discretizations conforming to the geometries, achieves the same level of solution accuracy as the standard finite-element method (FEM) based on conformal meshes. Numerical results are presented to demonstrate its accuracy, h-refinement convergence rate, conditioning, and capability to simulate highly inhomogeneous materials.

Original language	English (US)
Title of host publication	2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	171-172
Number of pages	2
ISBN (Electronic)	9781479978151
DOIs	https://doi.org/10.1109/APS.2015.7304471
State	Published - Oct 22 2015
Event	IEEE Antennas and Propagation Society International Symposium, APS 2015 - Vancouver, Canada Duration: Jul 19 2015 → Jul 24 2015

Publication series

Name	IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Volume	2015-October
ISSN (Print)	1522-3965

Other

Other	IEEE Antennas and Propagation Society International Symposium, APS 2015
Country/Territory	Canada
City	Vancouver
Period	7/19/15 → 7/24/15

ASJC Scopus subject areas

Electrical and Electronic Engineering

Online availability

10.1109/APS.2015.7304471

Library availability

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Zhang, K., Najafi, A. R., Geubelle, P. H., & Jin, J. M. (2015). A 2D interface-enriched generalized FEM for em analysis of composite materials. In 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings (pp. 171-172). Article 7304471 (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest); Vol. 2015-October). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APS.2015.7304471

A 2D interface-enriched generalized FEM for em analysis of composite materials. / Zhang, Kedi; Najafi, Ahmad Raeis; Geubelle, Philippe H. et al.
2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2015. p. 171-172 7304471 (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest); Vol. 2015-October).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Zhang, K, Najafi, AR, Geubelle, PH & Jin, JM 2015, A 2D interface-enriched generalized FEM for em analysis of composite materials. in 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings., 7304471, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), vol. 2015-October, Institute of Electrical and Electronics Engineers Inc., pp. 171-172, IEEE Antennas and Propagation Society International Symposium, APS 2015, Vancouver, Canada, 7/19/15. https://doi.org/10.1109/APS.2015.7304471

Zhang K, Najafi AR, Geubelle PH , Jin JM. A 2D interface-enriched generalized FEM for em analysis of composite materials. In 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2015. p. 171-172. 7304471. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)). doi: 10.1109/APS.2015.7304471

Zhang, Kedi ; Najafi, Ahmad Raeis ; Geubelle, Philippe H. et al. / A 2D interface-enriched generalized FEM for em analysis of composite materials. 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2015. pp. 171-172 (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)).

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abstract = "An interface-enriched generalized finite-element method (IGFEM) is proposed for efficient electromagnetic analysis of composite materials with complex internal structures. By enriching the solution space at material interfaces, the IGFEM, even without discretizations conforming to the geometries, achieves the same level of solution accuracy as the standard finite-element method (FEM) based on conformal meshes. Numerical results are presented to demonstrate its accuracy, h-refinement convergence rate, conditioning, and capability to simulate highly inhomogeneous materials.",

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A 2D interface-enriched generalized FEM for em analysis of composite materials

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