Phase-Space Analysis of Elastic Vector Solitons in Flexible Mechanical Metamaterials

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Autori principali: Duong, M. H., Reynolds, M. J.
Natura: Preprint
Pubblicazione: 2025
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author Duong, M. H.
Reynolds, M. J.
author_facet Duong, M. H.
Reynolds, M. J.
contents The purpose of this paper is to propose a revised continuum model from the discrete system introduced in [Deng et.al., PRL, 2017] . Using a Galilean transformation, we obtain an equation governing the soliton solutions in the phase plane - a second-order nonlinear ODE related to the Klein-Gordon equation with quadratic nonlinearity. These admit the well-known $\mathrm{sech}^2$ solutions, which we employ as an ansätz following [Deng et.al., PRL, 2017]. The resulting analysis yields soliton amplitudes and velocities that agree closely with numerical simulations, achieving an improvement of exactly 1/9 relative to the benchmark reported by the Harvard group.
format Preprint
id arxiv_https___arxiv_org_abs_2510_19837
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Phase-Space Analysis of Elastic Vector Solitons in Flexible Mechanical Metamaterials
Duong, M. H.
Reynolds, M. J.
Pattern Formation and Solitons
Mathematical Physics
The purpose of this paper is to propose a revised continuum model from the discrete system introduced in [Deng et.al., PRL, 2017] . Using a Galilean transformation, we obtain an equation governing the soliton solutions in the phase plane - a second-order nonlinear ODE related to the Klein-Gordon equation with quadratic nonlinearity. These admit the well-known $\mathrm{sech}^2$ solutions, which we employ as an ansätz following [Deng et.al., PRL, 2017]. The resulting analysis yields soliton amplitudes and velocities that agree closely with numerical simulations, achieving an improvement of exactly 1/9 relative to the benchmark reported by the Harvard group.
title Phase-Space Analysis of Elastic Vector Solitons in Flexible Mechanical Metamaterials
topic Pattern Formation and Solitons
Mathematical Physics
url https://arxiv.org/abs/2510.19837