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2D finite element analysis of thermally bonded nonwoven materials: continuous and discontinuous models

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2D finite element analysis of thermally bonded nonwoven materials : continuous and discontinuous models. / Hou, Xiaonan; Acar, Memis ; Silberschmidt, Vadim .

In: Computational Materials Science, Vol. 46, No. 3, 09.2009, p. 700–707.

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Hou, Xiaonan ; Acar, Memis ; Silberschmidt, Vadim . / 2D finite element analysis of thermally bonded nonwoven materials : continuous and discontinuous models. In: Computational Materials Science. 2009 ; Vol. 46, No. 3. pp. 700–707.

Bibtex

@article{5674645dbd0f47a68fc12e048ee49d9c,
title = "2D finite element analysis of thermally bonded nonwoven materials: continuous and discontinuous models",
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.",
keywords = "Nonwovens, Finite element analysis, Random microstructure, Anisotropic behaviour",
author = "Xiaonan Hou and Memis Acar and Vadim Silberschmidt",
year = "2009",
month = sep
doi = "10.1016/j.commatsci.2009.07.007",
language = "English",
volume = "46",
pages = "700–707",
journal = "Computational Materials Science",
issn = "0927-0256",
publisher = "Elsevier",
number = "3",

}

RIS

TY - JOUR

T1 - 2D finite element analysis of thermally bonded nonwoven materials

T2 - continuous and discontinuous models

AU - Hou, Xiaonan

AU - Acar, Memis

AU - Silberschmidt, Vadim

PY - 2009/9

Y1 - 2009/9

N2 - 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.

AB - 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.

KW - Nonwovens

KW - Finite element analysis

KW - Random microstructure

KW - Anisotropic behaviour

U2 - 10.1016/j.commatsci.2009.07.007

DO - 10.1016/j.commatsci.2009.07.007

M3 - Journal article

VL - 46

SP - 700

EP - 707

JO - Computational Materials Science

JF - Computational Materials Science

SN - 0927-0256

IS - 3

ER -