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Proceedings Paper

Sensing and actuation of smart chiral honeycombs
Author(s): H. Abramovitch; M. Burgard; Lucy Edery-Azulay; K. E. Evans; M. Hoffmeister; W. Miller; F. Scarpa; C. W. Smith; K. F. Tee; A Schönecker; L Seffner
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Paper Abstract

A chiral honeycomb configuration is developed with embedded piezosensors and actuators for smart sandwich panel applications. The chiral honeycomb concept is made of repeating units of cylinders and plates (ligaments), featuring an in-plane negative Poisson's ratio. Rapid Prototyping vacuum-cast and FDM (Fusion Deposition Moulding) techniques are developed to embed micro fibres composites to be used for potential structural health monitoring (SHM) applications, and microwave absorption screens for electromagnetic compatibility. Finite Element models are also developed to prototype and simulate the response, sensing and actuation capability of the honeycombs for design purposes. Dynamic tests using scanning laser vibrometers and acoustic wave propagation are carried out to assess the feasibility of the concept.

Paper Details

Date Published: 10 April 2008
PDF: 7 pages
Proc. SPIE 6935, Health Monitoring of Structural and Biological Systems 2008, 693506 (10 April 2008); doi: 10.1117/12.775588
Show Author Affiliations
H. Abramovitch, Technion (Israel)
M. Burgard, Fraunhofer FhG-IPA (Germany)
Lucy Edery-Azulay, Technion (Israel)
K. E. Evans, Univ. of Exeter (United Kingdom)
M. Hoffmeister, Fraunhofer FhG-IPA (Germany)
W. Miller, Univ. of Exeter (United Kingdom)
F. Scarpa, Univ. of Bristol (United Kingdom)
C. W. Smith, Univ. of Exeter (United Kingdom)
K. F. Tee, Univ. of Bristol (United Kingdom)
A Schönecker, Fraunhofer FhG-IKTS (Germany)
L Seffner, Fraunhofer FhG-IKTS (Germany)


Published in SPIE Proceedings Vol. 6935:
Health Monitoring of Structural and Biological Systems 2008
Tribikram Kundu, Editor(s)

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