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Article Dans Une Revue Archives of civil and mechanical engineering Année : 2024

Experimental and numerical investigations of 3D-printed Onyx parts reinforced with continuous glass fibers

Résumé

The efficient modeling of 3D-printed parts, especially long fiber-reinforced composite parts, is a significant concern. This paper discusses finite-element modeling using the embedded element technique to simulate the mechanical behavior of specimens reinforced with long glass fibers. The study considered the concentric deposition mode of the fibers, the walls, and the solid filling pattern of the printed parts as parameters. In addition, classical numerical modeling of the composites using 2D Shell elements and an analytical prediction of the Young's modulus using the rule of mixtures were implemented. The results showed that both the classical 2D Shell modeling and the law of mixtures predict the Young's modulus with acceptable prediction error. However, these approaches have limitations in predicting the overall behavior of the specimens. The use of the embedded element technique allowed for the prediction of both the Young's modulus and the global behavior of the specimens with acceptable prediction error. Keywords 3D printing • Glass fibers • Mechanical properties • Finite-element modeling • Embedded elements * Daouda Nikiema
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Dates et versions

hal-04442292 , version 1 (06-02-2024)

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Daouda Nikiema, Pascale Balland, Alain Sergent. Experimental and numerical investigations of 3D-printed Onyx parts reinforced with continuous glass fibers. Archives of civil and mechanical engineering, 2024, 24 (2), pp.50. ⟨10.1007/s43452-024-00861-5⟩. ⟨hal-04442292⟩

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