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A three-dimensional numerical analysis on the effective permittivity of composites including ellipsoids

  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

To investigate the effective permittivity of composites composed of ellipsoidal inclusions, three-dimension numerical models for ellipsoidal inclusions distributed randomly are built with the finite-element modeling software Comsol Multiphysics. After calculating the effective permittivity for different cases and comparing the results with analytical results from the Maxwell-Garnett mixing rule, we find that the finite-element method has an advantage in detecting details of the interaction among inclusions, which have some impacts on the effective permittivity and could not be accurately taken into account in the analytical model. The finite-element method is expected to solve more complex problems on electromagnetic computation.

Original languageEnglish
Title of host publicationMechanical Engineering, Materials and Energy III
Pages23-27
Number of pages5
DOIs
StatePublished - 2014
Event2013 3rd International Conference on Mechanical Engineering, Materials and Energy, ICMEME 2013 - Changsha, China
Duration: 9 Nov 201310 Nov 2013

Publication series

NameApplied Mechanics and Materials
Volume483
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference2013 3rd International Conference on Mechanical Engineering, Materials and Energy, ICMEME 2013
Country/TerritoryChina
CityChangsha
Period9/11/1310/11/13

Keywords

  • Ellipsoidal inclusions
  • Finite-element method
  • The effective permittivity

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