Electromagnetic modeling of periodically-structured fiber-reinforced single-layer laminate with multiple fibers missing

Abstract : Modeling of periodically-structured, fiber-reinforced laminates with fibers missing is investigated, this applying as well to similarly disorganized photonic crystals at optical frequencies. Parallel cylindrical fibers are periodically embedded within a layer sandwiched between two half-spaces. Absent fibers destroy the periodicity. The supercell concept involving an auxiliary periodic structure provides subsidiary solutions, wherein plane-wave illumination can be analyzed with the help of the Floquet theorem, while the field response due to a line source can be calculated from the pertinent plane-wave expansion. Accuracy, computational efficacy and versatility of the above approaches are illustrated by comprehensive numerical simulations with in particular comparisons to results provided by a finite-element code, all-purpose but computationally demanding, this work seen as the first step to the localization of missing fibers in a damaged laminate and imaging thereof.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01396976
Contributeur : Dominique Lesselier <>
Soumis le : mardi 15 novembre 2016 - 11:47:41
Dernière modification le : jeudi 5 avril 2018 - 12:30:05

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Zicheng Liu, Changyou Li, Dominique Lesselier, Yu Zhong. Electromagnetic modeling of periodically-structured fiber-reinforced single-layer laminate with multiple fibers missing. Applied physics. A, Materials science & processing, Springer Verlag, 2016, 122 (12), 993 (6 pp). 〈10.1007/s00339-016-0524-7〉. 〈hal-01396976〉

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