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Numerical Characterization of the Mechanics of Bézier-Based Lattice-Beams

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Abstract:

Metamaterials are controlled arrangements of material structures in which their mechanical properties can be tailored by tuning their geometrical parameters. A parametrization based on cubic Bézier curves is employed here to generate cantilever lattice-beams by changing the position of a free control point. The apparent stiffness of these lattice-beams is numerically analyzed by means of tensile, bending, and free vibration simulations. Results expose the influence of shear deformation in the mechanical behavior of beams made from a cellular material; different degrees of variation depending on the loading conditions and lattice topology are observed and discussed.

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Periodical:

Key Engineering Materials (Volume 913)

Pages:

301-306

DOI:

https://doi.org/10.4028/p-i7z5z9

Citation:

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Online since:

March 2022

Authors:

Alberto Álvarez-Trejo, Enrique Cuan-Urquizo*, Armando Roman, Leonardo I. Farfan-Cabrera, L.G. Trápaga-Martínez, Juan M. Alvarado-Orozco

Keywords:

Apparent Stiffness, Bézier Curves, Finite Element Analysis, Metamaterials, Modal Analysis

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© 2022 Trans Tech Publications Ltd. All Rights Reserved

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