Strength and Progressive Failure Predictions of T-Joint Laminated Composites Using 3D Continuum Damage Modeling 


Vol. 26,  No. 3, pp. 983-994, Mar.  2025
10.1007/s12221-025-00853-z


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  Abstract

The complex stresses in T-joint structures and the limitation of conventional FEA in accurately predicting the strength and progressive failure mechanisms have led to increased interest. In this work, the progressive failure analysis of T-joint laminated composites is investigated for strength prediction using the 3D continuum damage modeling implemented in Abaqus UMAT. The 3D Hashin failure criterion is employed to predict the damage initiation of the ply. The 3D continuum damage model is used for intralaminar damage while the cohesive zone model is used for interlaminar damage. The numerical results are compared with the experimental data obtained from the existing literature. In addition, the comparisons between the numerical and experimental results considering the intra- and inter-ply damages and the one solely considering the inter-ply damage are investigated. Overall, the numerical results effectively capture the key characteristics of the damage sequence observed in the experiments, and the strength prediction aligns well with the experimental values.

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  Cite this article

[IEEE Style]

Y. Liang, J. Hsia, Y. Chen, "Strength and Progressive Failure Predictions of T-Joint Laminated Composites Using 3D Continuum Damage Modeling," Fibers and Polymers, vol. 26, no. 3, pp. 983-994, 2025. DOI: 10.1007/s12221-025-00853-z.

[ACM Style]

Yu-Jui Liang, Jui-Pu Hsia, and Yu-Lun Chen. 2025. Strength and Progressive Failure Predictions of T-Joint Laminated Composites Using 3D Continuum Damage Modeling. Fibers and Polymers, 26, 3, (2025), 983-994. DOI: 10.1007/s12221-025-00853-z.

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