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DRAPING WOVEN SHEETS

Published online by Cambridge University Press:  07 January 2021

P. D. HOWELL*
Affiliation:
OCIAM, Mathematical Institute, Andrew Wiles Building, OxfordOX2 6GG, UK; e-mail: ockendon@maths.ox.ac.uk, ock@maths.ox.ac.uk.
H. OCKENDON
Affiliation:
OCIAM, Mathematical Institute, Andrew Wiles Building, OxfordOX2 6GG, UK; e-mail: ockendon@maths.ox.ac.uk, ock@maths.ox.ac.uk.
J. R. OCKENDON
Affiliation:
OCIAM, Mathematical Institute, Andrew Wiles Building, OxfordOX2 6GG, UK; e-mail: ockendon@maths.ox.ac.uk, ock@maths.ox.ac.uk.

Abstract

Motivated by the manufacture of carbon fibre components, this paper considers the smooth draping of loosely woven fabric over rigid obstacles, both smooth and nonsmooth. The draped fabric is modelled as the continuum limit of a Chebyshev net of two families of short rigid rods that are freely pivoted at their joints. This approach results in a system of nonlinear hyperbolic partial differential equations whose characteristics are the fibres in the fabric. The analysis of this system gives useful information about the drapability of obstacles of many shapes and also poses interesting theoretical questions concerning well-posedness, smoothness and computability of the solutions.

Type
Research Article
Copyright
© Australian Mathematical Society 2020

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