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Numerical simulation of the dynamic response in pulse-loaded fibre–metal-laminated plates

Permanent link
https://hdl.handle.net/10037/9683
DOI
https://doi.org/10.1177/2041419616658383
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Publisher's version (PDF)
Date
2016-07-27
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Author
Nwankwo, Ebuka; Fallah, Arash Soleiman; Moatamedi, Mojtaba; Louca, Luke A.
Abstract
This article presents a three-dimensional constitutive model to replicate the dynamic response of blast-loaded fibre–metal laminates made of 2024-0 aluminium alloy and woven composite (glass fibre–reinforced polypropylene). Simulation of the dynamic response is challenging when extreme localised loads are of concern and requires reliable material constitutive models as well as accurate modelling techniques. It is well known that back layers in a fibre–metal laminate provide structural support for front layers; thus, proper modelling of constituent failure and degradation is essential to understanding structural damage and failure. The improved developed model to analyse damage initiation, progression and failure of the composite is implemented in finite element code ABAQUS, and a good correlation is observed with experimental results for displacements of the back and front faces as presented by other researchers. The model was also able to predict accurately the tearing impulses. Finally, the concepts of the ‘efficiency of the charge’ and ‘effectiveness of the target’ are proposed in the context of localised blast loading on a structure. Dimensionless parameters are introduced to quantify these parameters.
Description
Publisher's version, source: http://doi.org/10.1177/2041419616658383.
Publisher
Multi-Science Publishing
Citation
International Journal of Protective Structures 2016, 1-26
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  • Artikler, rapporter og annet (datateknologi og beregningsorienterte ingeniørfag) [171]

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