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A predictive fabric model for membrane structure design

Lookup NU author(s): Professor Ben BridgensORCiD, Professor Peter Gosling



A predictive model has been developed to determine the biaxial stress-strain response of architectural fabrics, without the need for biaxial testing. Sawtooth and sinusoid models of the fabric unit cell have been formulated, with spring elements between crossovers used to represent the coating. In both models a constant yarn cross-sectional area has been maintained, resulting in a relationship between unit cell length and yarn thickness which eliminates the need to determine the yarn crushing stiffness. A state-of-the-art biaxial test rig and new test protocol have been developed to fully ascertain the stress-strain behaviour of structural fabrics. This enables meaningful comparison to be made between the model output and actual fabric response. The model provides a more accurate representation of fabric behaviour than current industry best practice (i.e. use of elastic constants based on biaxial test data), but without the need for specialist testing or equipment.

Publication metadata

Author(s): Bridgens BN, Gosling PD

Editor(s): Oñate E; Kröplin B

Publication type: Book Chapter

Publication status: Published

Book Title: Textile Composites and Inflatable Structures II

Year: 2008

Volume: 8

Pages: 35-50

Series Title: Computational Methods in Applied Sciences

Publisher: Springer

Place Published: Dordrecht

Notes: Times Cited: 0 Onate, E 2nd International Conference on Textile Composites and Inflated Structures OCT 02-04, 2005 Stuttgart, GERMANY

Library holdings: Search Newcastle University Library for this item

ISBN: 9781402068553