Band gap behavior of optimal one-dimensional composite structures with an additive manufactured stiffener

Ampatzidis, Theofanis and Leach, Richard K. and Tuck, Christopher and Chronopoulos, Dimitrios (2018) Band gap behavior of optimal one-dimensional composite structures with an additive manufactured stiffener. Composites Part B: Engineering, 153 . pp. 26-35. ISSN 1359-8368

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Abstract

In this work, the banded behaviour of composite one-dimensional structures with an additive manufactured stiffener is examined. A finite element method is used to calculate the stiffness, mass and damping matrices, and periodic structure theory is used to obtain the wave propagation of one-dimensional structures. A multi-disciplinary design optimisation scheme is developed to achieve optimal banded behaviour and structural characteristics of the structures under investigation. Having acquired the optimal solution of the case study, a representative specimen is manufactured using a carbon fibre cured plate and additive manufactured nylon-based material structure. Experimental measurements of the dynamic performance of the hybrid composite structure are conducted using a laser vibrometer and electrodynamic shaker setup to validate the finite element model.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/950843
Keywords: Composite structures; Band gap behaviour; Additive manufacturing; Hybrid structures; Wave propagation
Schools/Departments: University of Nottingham, UK > Faculty of Engineering
Identification Number: https://doi.org/10.1016/j.compositesb.2018.07.012
Depositing User: Eprints, Support
Date Deposited: 20 Jul 2018 10:16
Last Modified: 04 May 2020 19:49
URI: http://eprints.nottingham.ac.uk/id/eprint/53054

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