Model-Based Simulation Analysis of Wicking Behavior in Hygroscopic Cotton Fabric

Hong, Chul-Jae; Kim, Byung Jick

doi:10.12940/jfb.2016.20.6.66

Cited by 3 publications

(1 citation statement)

References 12 publications

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“…This alleviates the requirement for an explicit representation of what could be a very complex topology by performing on-demand evaluation as certain information is needed by higher-level applications. Examples of applications that require this type of efficient topological representation include simulations of electrical current, water, and heat flow through textiles [6,7,8].…”

Section: Introductionmentioning

confidence: 99%

TopoKnit : A Process-Oriented Representation for Modeling the Topology of Yarns in Weft-Knitted Textiles

Kapllani¹,

Amanatides²,

Dion³

et al. 2021

Preprint

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Machine knitted textiles are complex multi-scale material structures increasingly important in many industries, including consumer products, architecture, composites, medical, and military. Computational modeling, simulation, and design of industrial fabrics require efficient representations of the spatial, material, and physical properties of such structures. We propose a process-oriented representation, TopoKnit, that defines a foundational data structure for representing the topology of weft-knitted textiles at the yarn scale. Process space serves as an intermediary between the machine and fabric spaces, and supports a concise, computationally efficient evaluation approach based on on-demand, near constanttime queries. In this paper, we define the properties of the process space, and design a data structure to represent it and algorithms to evaluate it. We demonstrate the effectiveness of the representation scheme by providing results of evaluations of the data structure in support of common topological operations in the fabric space.

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Section: Introductionmentioning

confidence: 99%

TopoKnit : A Process-Oriented Representation for Modeling the Topology of Yarns in Weft-Knitted Textiles

Kapllani¹,

Amanatides²,

Dion³

et al. 2021

Preprint

View full text Add to dashboard Cite

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TopoKnit: A Process-Oriented Representation for Modeling the Topology of Yarns in Weft-Knitted Textiles

et al. 2021

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Loop Order Analysis of Weft-Knitted Textiles

et al. 2022

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In this paper, we describe algorithms that perform loop order analysis of weft-knitted textiles, which build upon the foundational TopoKnit topological data structure and associated query functions. During knitting, loops of yarn may be overlayed on top of each other and then stitched together with another piece of yarn. Loop order analysis aims to determine the front-to-back ordering of these overlapping loops, given a stitch pattern that defines the knitted fabric. Loop order information is crucial for the simulation of electrical current, water, force, and heat flow within functional fabrics. The new algorithms are based on the assumption that stitch instructions are executed row-by-row and for each row the instructions can be executed in any temporal order. To make our algorithms knitting-machine-independent, loop order analysis utilizes precedence rules that capture the order that stitch commands are executed when a row of yarn loops are being knitted by a two-bed flat weft knitting machine. Basing the algorithms on precedence rules allows them to be modified to adapt to the analysis of fabrics manufactured on a variety of knitting machines that may execute stitch commands in different temporal orders. Additionally, we have developed visualization methods for displaying the loop order information within the context of a TopoKnit yarn topology graph.

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Model-Based Simulation Analysis of Wicking Behavior in Hygroscopic Cotton Fabric

Abstract: I. IntroductionAbsorbency plays an important role in many textile applications, i.e., design and manufacture of comfort textiles as well as in various processes such as dyeing and finishing. To

Cited by 3 publications

References 12 publications

TopoKnit : A Process-Oriented Representation for Modeling the Topology of Yarns in Weft-Knitted Textiles

TopoKnit : A Process-Oriented Representation for Modeling the Topology of Yarns in Weft-Knitted Textiles

TopoKnit: A Process-Oriented Representation for Modeling the Topology of Yarns in Weft-Knitted Textiles

Loop Order Analysis of Weft-Knitted Textiles

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