We homogenize the mechanical properties of a two-phase polymer composite, made of a polyurethane matrix containing porous spherical silicone-based inclusions, and designed to be used for wave control as a local resonant insulator. First we consider a homogenized energy for the spherical inclusions, an expression obtained by an explicit method. Then, we couple inclusions and matrix by means of the second-order tangent method. Direct finite element simulations allow some comparisons with available experiments.
Non-linear homogenization of polymer composites with porous inclusions / D. Zeka; A. Catapano; P. M. Mariano; M. Montemurro; R. Poupart; O. Mondain-Monval; J. Delcroix; P. Rublon. - In: MECHANICS OF MATERIALS. - ISSN 0167-6636. - STAMPA. - 168:(2022), pp. 1-12. [10.1016/j.mechmat.2022.104276]
Non-linear homogenization of polymer composites with porous inclusions
D. Zeka;P. M. Mariano;
2022
Abstract
We homogenize the mechanical properties of a two-phase polymer composite, made of a polyurethane matrix containing porous spherical silicone-based inclusions, and designed to be used for wave control as a local resonant insulator. First we consider a homogenized energy for the spherical inclusions, an expression obtained by an explicit method. Then, we couple inclusions and matrix by means of the second-order tangent method. Direct finite element simulations allow some comparisons with available experiments.
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