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Comparison of Micromechanics Theories for Modeling Discontinuous Long Fiber Reinforced Composites

EVAN J. PINEDA, IBRAHIM KALEEL, BRETT A. BEDNARCYK, SANDI G. MILLER

Abstract


Two micromechanics theories, the high fidelity generalized method of cells and Carrera Unified Formulation, are used to model a repeating unit cell of a discrete long fiber composite. The models are used to predict the effective properties of a single fiber with varying fiber-to-fiber end gap lengths, as well as the local stresses in the fiber and matrix. Both models produced similar results and demonstrated that they could capture the complex local load transfer due to the shear lag effect.


DOI
10.12783/asc38/36653

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