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The question of the e_ective response of two-phase hybrid “fibrous-laminate” piezoelectric composites, with periodic microstructure, is adressed with two homogenization approaches: a full-field numerical scheme based on Fourier transform and a simplifying approach relying on a decoupled two-step homogenisation process. In the case of a two-phase epoxy/PZT composite, this latter is shown to overestimate out-of-plane e_ective piezoelectric coe_cients.
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Brenner et al. (2012) studied this question.
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