Publication: Nonlinear capacitary problems for a general distribution of fibers
Issued Date
2014-01-01
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16871197
16871200
16871200
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2-s2.0-84896348778
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Mahidol University
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SCOPUS
Bibliographic Citation
Applied Mathematics Research eXpress. Vol.2014, No.1 (2014), 1-51
Suggested Citation
Michel Bellieud, Christian Licht, Somsak Orankitjaroen Nonlinear capacitary problems for a general distribution of fibers. Applied Mathematics Research eXpress. Vol.2014, No.1 (2014), 1-51. doi:10.1093/amrx/abt002 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/34140
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Nonlinear capacitary problems for a general distribution of fibers
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Abstract
We determine the effective electric properties of a composite with high contrast. The energy density is given locally in terms of a convex function of the gradient of the potential. The permittivity may take very large values in a fairly general distribution of parallel fibers of tiny cross sections. For a critical size of the cross sections, we show that a concentration of electric energy may arise in a small region of space surrounding the fibers. This extra contribution is caused by the discrepancy between the behaviors of the potential in the matrix and in the fibers and is characterized by the density of the cross sections of the fibers with respect to the cross section of the body in terms of some suitable notion of capacity. Our results extend those established in [7] in the periodic case for the p-Laplacian to a general nonlinear framework and a nonperiodic distribution of fibers. © 2013 The Author(s) 2013. Published by Oxford University Press. All rights reserved. For permissions, please.
