Multi-scale simulation and finite-element-assisted computation of elastic properties of braided textile reinforced composites

被引：37

作者：

Ji, Xianbai ^{[1
]}

Khatri, Aditya M. ^{[1
]}

Chia, Elvin S. M. ^{[2
]}

Cha, Ryan K. H. ^{[3
]}

Yeo, Bern T. B. ^{[4
]}

Joshi, Sunil C. ^{[5
]}

Chen, Zhong ^{[6
]}

机构：

[1] Temasek Labs NTU, Singapore, Singapore

[2] DSO Natl Labs, Singapore, Singapore

[3] Singapore Technol Kinet Ltd, Singapore, Singapore

[4] Temasek Polytech, Sch Engn, Singapore, Singapore

[5] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore

[6] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore

来源：

JOURNAL OF COMPOSITE MATERIALS | 2014年 / 48卷 / 08期

关键词：

multi-scale simulation; finite element analysis; mechanical properties; braiding; Textiles; MECHANICAL-PROPERTIES; PERFORMANCE;

D O I：

10.1177/0021998313480198

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

This article deals with the computation of effective elastic properties of braided textile composites assisted by finite element analysis. In this approach, dynamic representative unit cells are first constructed to model typical geometry of braided textile preform. After establishing the elastic properties of braiding yarns, the effective Young's moduli, shear moduli and Poisson's ratios corresponding to varying braiding angles are obtained by analysing these geometric models of preform with the help of the commercial finite element analysis code Abaqus. Effects of fibre volume fraction on the elastic properties of both biaxial and triaxial composite unit cells are also examined. Finally, the bending behaviour of a simply supported beam with braided composite skin is evaluated via the finite element analysis assisted multi-scale modelling, which is further verified experimentally. The predicted results were compared favourably with the experiment, backing the accuracy of the proposed modelling approach.

引用

页码：931 / 949

页数：19

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