3D Geometrical Model of Plain Weave Fabrics for Finite Element Analysis

Abstract:

Woven unit-cell geometry functions are presented for a balanced plain weave fabric. Based on the functions, a 3D geometrical model applying to a meshing preprocessor for 3D finite element is proposed. The geometry model takes into account the existence of the space between tows, the undulation of the tow, and the actual tow cross-section shape. The internal geometry of model is from micrographs of sectioned laminates, which is helpful to define the accurate and actual 3D geometrical model. The section shape of the yarn remains unchanged along the trajectory. This model can be easily identified using three parameters measured on a real fabric. An accurate hexahedral mesh developed using these geometry model is presented. This is an important point for 3D finite element simulation of fabric model, which is a powerful method to investigate the mechanical behavior and also the composites made from it.

• Periodical: Advanced Materials Research (Volumes 332-334)
• Pages: 1635-1638
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.332-334.1635
• Online since: September 2011
• Authors: Dong Ning Wang, Ya Nan Jiao, Jia Lu Li
• Keywords: Fabric, Finite Element, Geometrical Model, Mesh, Mesoscopic

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