Modelling and simulation of the mechanical behaviour of weft-knitted fabrics for technical applications. Part III: 2D hexagonal FEA model with non-linear truss elements

• Autorzy: Araújo M. , Fangueiro R. , Hong H.
• Języki publikacji: EN

Abstrakty

EN

This paper is in four parts. The first is related to general considerations and experimental analyses, and each of the others is related to different approaches to theoretical analyses of the mechanical behaviour of weft-knitted fabrics and weft-knitted reinforced composites made of glass fibre. The objective is to find ways of improving the mechanical properties and simulating the mechanical behaviour of knitted fabrics and knitted reinforced composites, so that the engineering design of such materials and structures may be improved. In Part III the second model is presented, and this is a 2D model based on FEA (finite element analyses). A plain weft-knitted fabric, based on the simple loop structure, is simplified and represented by a 2D hexagonal structure constructed by non-linear truss elements. The characteristics of the truss elements for FEA simulation are obtained from experimental results through an analytical method when a loop is converted to a FEA model. The elongation deformation is simulated in one, two and multiple directions. The model can also be used to calculate a planar knitted fabric for deformation to fit a 3D spherical mould.

Słowa kluczowe

EN

knitted fabric; load-extension curve; technical textiles; modelling; mechanical properties; composite materials; finite element analysis; resin moulding

PL

dzianina; tkaniny techniczne; modelowanie; właściwości mechaniczne; materiały kompozytowe; analiza elementów skończonych

• Wydawca: Lodz University of Technology, Faculty of Material Technologies and Textile Design
• Czasopismo: Autex Research Journal
• Rocznik: 2004
• Tom: Vol. 4, no. 1
• Strony: 25--32
• Opis fizyczny: Bibliogr. 22 poz.

Twórcy

autor

Araújo M.

• University of Minho, Guimarães, Portugal Phone: [phone] Fax: [phone]

autor

Fangueiro R.

• University of Minho, Guimarães, Portugal Phone: [phone] Fax: [phone]

autor

Hong H.

• University of Minho, Guimarães, Portugal Phone: [phone] Fax: [phone]

Bibliografia

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