Journal
WAVE MOTION
Volume 48, Issue 6, Pages 497-504Publisher
ELSEVIER
DOI: 10.1016/j.wavemoti.2011.04.008
Keywords
Acoustic cloaking; Homogenization; Layered materials; Broadband cloaks
Categories
Funding
- Office of Naval Research [N000140910554]
- Spanish Ministerio de Ciencia e Innovacion [TEC2010-17451, CSD2008-66]
- program Campus de Excelencia 2010 UPV
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We present an analysis of acoustic cloaks based on the homogenization of two fluidlike materials, with an emphasis on periodically layered imperfect cloaks, by removing the singularities of the acoustic parameters required for ideal cloaks. The conditions that material layers should satisfy are systematically analyzed and critically discussed according to their feasibility. (C) 2011 Elsevier B.V. All rights reserved.
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