Vol. 13, No. 1, 2018

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Ordinary state-based peridynamics for open-hole tensile strength prediction of fiber-reinforced composite laminates

Xiao-Wei Jiang and Hai Wang

Vol. 13 (2018), No. 1, 53–82
DOI: 10.2140/jomms.2018.13.53
Abstract

This study presents an ordinary state-based peridynamic model (OSB PD) for open-hole tensile strength prediction of fiber-reinforced composite laminates. The transverse Poisson’s effect of composites is considered in the present OSB PD composite model, ensuring a precise capture of typical damage patterns and failure modes of composite laminates, especially when capturing the effect of thickness on damage patterns. The out-of-plane bond considers not only the adjacent plies, but also all the plies within the spherical horizon. The in-plane mesh could be much larger than the out-of-plane mesh, forming an “uneven spherical horizon”. The validation of the present model is demonstrated by several numerical results. Typical damage patterns and failures modes of open-hole composite laminates under tensile loading are illustrated, and the effect of thickness on damage patterns is also discussed.

Keywords
peridynamics, composite laminates, ordinary state-based, open-hole Strength, damage, delamination
Milestones
Received: 5 July 2017
Revised: 20 November 2017
Accepted: 23 December 2017
Published: 7 April 2018
Authors
Xiao-Wei Jiang
School of Aeronautics and Astronautics
Shanghai Jiao Tong University
Shanghai
China
Hai Wang
School of Aeronautics and Astronautics
Shanghai Jiao Tong University
Shanghai
China