Abstract
The purpose of this paper is to present three-dimensional models of fabric reinforcements for composite components by using computer aided geometric design (CAGD) techniques. A novel approach to structural representation of fabric preforms is described in both parametric and graphic forms. The philosophy behind the development of the computer generated model of a composite fabric reinforcement is discussed. The model described here is a general one, capable of producing a 3D representation of any 2D and 3D fabrics. The computer program also provides a very useful visualisation of the structure. Various structures of fabrics used as reinforcements for composite materials, such as woven, braided, knit, and multi-axial 3D weave, are demonstrated in virtual realistic forms.
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