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Title: Damage mechanisms of random fibrous networks
Authors: Sozumert, Emrah
Farukh, Farukh
Demirci, Emrah
Acar, Memis
Pourdeyhimi, Behnam
Silberschmidt, Vadim V.
Issue Date: 2015
Publisher: IOP Publishing Ltd. (© the authors)
Citation: SOZUMERT, E. ... et al., 2015. Damage mechanisms of random fibrous networks. 11th International Conference on Damage Assessment of Structures DAMAS 2015, Ghent University, Belgium, 24-26 August 2015.
Abstract: Fibrous networks are ubiquitous: they can be found in various engineering applications as well as in biological tissues. Due to complexity of their random microstructure, anisotropic properties and large deformation, their modelling is challenging. Though, there are numerous studies in literature focusing either on numerical simulations of fibrous networks or explaining their damage mechanisms at micro or meso-scale, the respective models usually do not include actual random microstructure and failure mechanisms. The microstructure of fibrous networks, together with highly non-linear mechanical behaviour of their fibres, is a key to initiation of damage, its spatial localization and ultimate failure [1]. Numerical models available in literature are not capable of elucidating actual microstructure of the material and, hence, its influence on damage processes in fibrous networks. To emulate a real-life microstructure in a developed finite-element model, an orientation distribution function for fibres obtained from X-ray micro computed-tomography images was considered to provide actual alignment of fibres. To validate the suggested model, notched and unnotched rectangular specimens were experimentally tested. A good correlation between the experimental data and simulation results was observed. This study revealed a significant effect of a notch on damage evolution.
Description: Published under licence in Journal of Physics: Conference Series by IOP Publishing Ltd. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.” It was published in the Journal of Physics: Conference Series (JPCS), Conference 628:012093, doi: 10.1088/1742-6596/628/1/012093.
Sponsor: Nonwoven Cooperation Research Center of North Carolina State University, Raleigh, USA
Version: Published publication
DOI: 10.1088/1742-6596/628/1/012093
URI: https://dspace.lboro.ac.uk/2134/17221
Publisher Link: http://dx.doi.org/10.1088/1742-6596/628/1/012093
ISSN: 1742-6588
Appears in Collections:Conference Papers and Contributions (Mechanical, Electrical and Manufacturing Engineering)

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