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A Computational Approach to Model Interfacial Effects on the Mechanical Behavior of Knitted Textiles
Journal article   Open access   Peer reviewed

A Computational Approach to Model Interfacial Effects on the Mechanical Behavior of Knitted Textiles

Dani Liu, Bahareh Shakibajahromi, Genevieve Dion, David Breen and Antonios Kontsos
Journal of applied mechanics, v 85(4)
01 Apr 2018
DOI: https://doi.org/10.1115/1.4039046
url
https://doi.org/10.1115/1.4039046View
Published, Version of Record (VoR)Maybe Open Access (Publisher Bronze),  Open

Abstract

Mechanics Science & Technology Technology
The mechanical behavior of knitted textiles is simulated using finite element analysis (FEA). Given the strong coupling between geometrical and physical aspects that affect the behavior of this type of engineering materials, there are several challenges associated with the development of computational tools capable of enabling physics-based predictions, while keeping the associated computational cost appropriate for use within design optimization processes. In this context, this paper investigates the relative contribution of a number of computational factors to both local and global mechanical behavior of knitted textiles. Specifically, different yarn-to-yarn interaction definitions in three-dimensional (3D) finite element models are compared to explore their relative influence on kinematic features of knitted textiles' mechanical behavior. The relative motion between yarns identified by direct numerical simulations (DNS) is then used to construct reduced order models (ROMs), which are shown to be computationally more efficient and providing comparable predictions of the mechanical performance of knitted textiles that include interfacial effects between yarns.

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15 citations in Web of Science
19 citations in Scopus

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