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Title: 2D finite element analysis of thermally bonded nonwoven materials: continuous and discontinuous models
Authors: Hou, Xiaonan
Acar, Memis
Silberschmidt, Vadim V.
Issue Date: 2009
Publisher: © Elsevier
Citation: HOU, X., ACAR, M. and SILBERSCHMIDT, V., 2009. 2D finite element analysis of thermally bonded nonwoven materials: continuous and discontinuous models. Computational Materials Science, 46 (3), pp.700-707.
Abstract: Due to a random structure of nonwoven materials, their non-uniform local material properties and nonlinear properties of single fibres, it is difficult to develop a numerical model that adequately accounts for these features and properly describes their performance. Two different finite element (FE) models – continuous and discontinuous – are developed here to describe the tensile behaviour of nonwoven materials. A macro-level continuum finite element model is developed based on the classic composite theory by treating the fibrous network as orthotropic material. This model is used to analyse the effect of thermally bonding points on the deformational behaviour and deformation mechanisms of thermally bonded nonwoven materials at macro-scale. To describe the effects of discontinuous microstructure of the fabric and implement the properties of polypropylene fibres, a micro-level discontinuous finite element model is developed. Applicability of both models to describe various deformational features observed in experiments with a real thermally bonded nonwoven is discussed.
Version: Accepted for publication
DOI: 10.1016/j.commatsci.2009.07.007
URI: https://dspace.lboro.ac.uk/2134/25651
Publisher Link: https://doi.org/10.1016/j.commatsci.2009.07.007
ISSN: 0927-0256
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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