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Progressive Failure Mechanism of FRP Composite Laminates with Discrete Element Method

LEI WAN, DONGMIN YANG, YONG SHENG

Abstract


This paper presents a novel approach to investigate the mechanism of progressive failure of fiber reinforced polymer composite (FRP) using a 3D model based on Discrete Element Method. The elasticity of this model has been validated by classic laminate theory and Finite Element Method with a very good agreement for lamina, cross-ply laminate and angle-ply laminate. Thereafter, the Tasi-Hill failure criterion is adopted in the model for predicting progressive failure of cross-ply laminates under tension. The progressive behavior of failure could be captured by the model and in the future the crack density of the failure obtained from the model will be validated by the experimental data.


DOI
10.12783/asc33/25910

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