#7165. Nonlinear mechanics of a thin-walled honeycomb with zero Poisson’s ratio

January 2027publication date
Proposal available till 11-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Mathematics (all);
Ocean Engineering;
Aerospace Engineering;
Mechanical Engineering;
Civil and Structural Engineering;
Automotive Engineering;
Mechanics of Materials;
Condensed Matter Physics;
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Abstract:
The nonlinear, in-plane mechanics of a thin-walled honeycomb with zero Poisson’s ratio under large deformation is investigated in this paper. A theoretical method for calculating in-plane tensile modulus, modified factors of linear constitutive relations of the honeycomb structures with zero Poisson’s ratio is proposed based on the theory of Euler-Bernoulli beam and the bending theory of beam in large deflection, and a finite element simulation is given to validate. In addition, parametric analysis for revealing the impacts of geometrical configurations and material parameters on in-plane mechanical properties of the honeycombs have been studied systematically. These findings suggest that geometric and/or material parameters provide different contributions to the effective mechanical properties and lead to a separate design for the in-plane mechanical properties. After that, the effects of geometric and/or material nonlinearities on mechanical properties of the honeycomb structures with zero Poisson’s ratio are revealed by considering the dimensionless tangent stiffness of the honeycombs.
Keywords:
morphing application; nonlinear mechanical properties; parameter designs; Thin-walled honeycomb structures; zero Poisson’s ratio

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