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Free vibration of doubly curved composite honeycomb rectangular sandwich panels

Free vibration of doubly curved composite honeycomb rectangular sandwich panels
Free vibration of doubly curved composite honeycomb rectangular sandwich panels
Sandwich panels have a wide variety of applications in many branches of engineering including aerospace, marine, civil and motorsport. Their very high stiffness-to-weight ratio make them particularly useful in aircraft and typical applications include floor panels, fairings and inlet cowl panels. In the latter case, the geometry of the panels can be considered doubly curved and they are usually constructed with carbon fibre reinforced plastic face plates and a lightweight resin impregnated paper honeycomb core. The free vibration of such panels both experimentally, and theoretically using a commercially available finite element code, has been investigated. Results are presented for the natural frequencies, and the theoretical investigation is extended to cover a variety of configurations in terms of the radius of curvature.
091205364X
65-71
Bellingham, USA
Cunningham, P.R.
678bb28d-d7b5-4c50-b312-0a25cec0c3f5
White, R.G.
d67216d7-2691-4322-9dac-56b96add39e1
Cunningham, P.R.
678bb28d-d7b5-4c50-b312-0a25cec0c3f5
White, R.G.
d67216d7-2691-4322-9dac-56b96add39e1

Cunningham, P.R. and White, R.G. (1999) Free vibration of doubly curved composite honeycomb rectangular sandwich panels. In 17th International Modal Analysis Conference. vol. 3727, Bellingham, USA. pp. 65-71 .

Record type: Conference or Workshop Item (Paper)

Abstract

Sandwich panels have a wide variety of applications in many branches of engineering including aerospace, marine, civil and motorsport. Their very high stiffness-to-weight ratio make them particularly useful in aircraft and typical applications include floor panels, fairings and inlet cowl panels. In the latter case, the geometry of the panels can be considered doubly curved and they are usually constructed with carbon fibre reinforced plastic face plates and a lightweight resin impregnated paper honeycomb core. The free vibration of such panels both experimentally, and theoretically using a commercially available finite element code, has been investigated. Results are presented for the natural frequencies, and the theoretical investigation is extended to cover a variety of configurations in terms of the radius of curvature.

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More information

Published date: 1999
Venue - Dates: IMAC XVII:17th International Modal Analysis Conference, 1999-01-01

Identifiers

Local EPrints ID: 22028
URI: http://eprints.soton.ac.uk/id/eprint/22028
ISBN: 091205364X
PURE UUID: 56a0bfb5-2ece-4bf1-8697-64e04028f7f2

Catalogue record

Date deposited: 15 Feb 2007
Last modified: 15 Jul 2019 19:23

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Contributors

Author: P.R. Cunningham
Author: R.G. White

University divisions

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