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Inverse bounds and bulk properties of complex-valued two-component composites
Lund University, Sweden.
2006 (English)In: SIAM Journal on Applied Mathematics, ISSN 0036-1399, E-ISSN 1095-712X, Vol. 67, no 1, p. 194-213Article in journal (Refereed) Published
Abstract [en]

The bulk properties of composites are known to depend strongly on the microstructure. This dependence can be quantified in terms of a representation introduced by D. Bergman, which factorizes the geometry dependence from the contrast. Based on this analytic representation of the effective permittivity, we present a general scheme to estimate the microstructural parameters such as the volume fraction and the anisotropy of two‐component composites. The estimates are given as bounds, that is, the largest parameter region which is compatible with the available information. Thus, more information produces better estimates on the microstructural parameters. The method, which uses complex‐valued measurements of bulk properties of the composite, is illustrated by numerical examples.

Place, publisher, year, edition, pages
Society for Industrial and Applied Mathematics, 2006. Vol. 67, no 1, p. 194-213
National Category
Other Mathematics
Research subject
Mathematics, Mathematics
Identifiers
URN: urn:nbn:se:lnu:diva-81926DOI: 10.1137/060649598OAI: oai:DiVA.org:lnu-81926DiVA, id: diva2:1304785
Available from: 2019-04-13 Created: 2019-04-13 Last updated: 2019-05-07Bibliographically approved

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Engström, Christian

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