Title: FREE VIBRATION ANALYSIS AND OPTIMAL DESIGN OF A CANTILEVERED ADHESIVELY BONDED COMPOSITE TUBULAR SINGLE LAP JOINT
Page Range: p.489-506
Author(s): Apalak M Kyildirim M
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 15
Issue No: No.6
Abstract
The results are reported of a three-dimensional free vibration analysis and modal stress analysis of an adhesively bonded cantilevered graphite fibre-reinforced epoxy composite tubular single lap joint. The effects of design parameters of the adhesive (epoxy resin) and composite tubes, such as fibre angle, fibre volume fraction, adhesive thickness, overlap length, inner tube radius and tube thickness, on the first ten natural frequencies and mode shapes of the joints are examined using a proposed back-propagation artificial neural network model. A genetic algorithm is combined with the artificial neural network model to search for an optimal joint design in which the natural frequencies are maximised and the corresponding modal strain energies of the joint are minimised. 28 refs.
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