Journal
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
Volume 14, Issue 1, Pages 33-42Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15376490600864547
Keywords
homogenization; piezoelectricity; electromagnetic composites; bio-material; strong heterogenetics; elasticwaves; band gaps
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One way to obtain new materials is to mix classical ones with periodic heterogeneous microstructures. Using the homogenization method, we rigorously justify the limit models obtained ( when the size of the microstructures goes to zero) for composites with very promising properties. We present here three different examples: a new bio-compatible piezoelectric/living cells material designed to improve bone regeneration, a bianisotropic electromagnetic material in a first attempt of photonic crystals modelling and a strongly heterogeneous elastic material exhibiting acoustic band-gaps. We also provide numerical simulations in order to illustrate the influence of the change of intrinsic parameters such as shape and physical characteristics of the micro structures.
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