dorsal/arxiv
View SchemaDynamics for a viscoelastic beam equation with past history and nonlocal boundary dissipation
| Authors | Linfang Liu, Vando Narciso, Zhijian Yang |
|---|---|
| Categories | |
| ArXiv ID | 2601.06414vv1 |
| URL | https://arxiv.org/abs/2601.06414 |
| License | http://creativecommons.org/publicdomain/zero/1.0/ |
Abstract
This article aims to study the long-time dynamics of the linear viscoelastic plate equation $\displaystyle{u_{tt}+\Delta^2 u-\int_{\tau}^tg(t-s)\Delta^2u(s)ds=0}$ subject to nonlinear and nonlocal boundary conditions. This model, with $\tau=0$, was first considered by Cavalcanti (Discrete Contin. Dyn. Syst., 8(3), 675-695, 2002), where results of global existence and uniform decay rates of energy have been established. In this work, by taking $\tau=-\infty$, and considering the autonomous equivalent problem we prove that the dynamical system $(\mathcal{H},S_t)$ generated by the weak solutions has a compact global attractor $\mathfrak{A}$ (in the topology of the weak phase space $\mathcal{H}$), which in subcritical case has finite dimension and smoothness. Furthermore, when the force follows the {\it Hook Law}, we prove that $(\mathcal{H},S_t)$ possesses a (generalized) fractal exponential attractor $\mathfrak{A}_{\exp}$ with finite dimension in a space $\widetilde{\mathcal{H}}\supset\mathcal{H}$.
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"abstract": "This article aims to study the long-time dynamics of the linear viscoelastic plate equation $\\displaystyle{u_{tt}+\\Delta^2 u-\\int_{\\tau}^tg(t-s)\\Delta^2u(s)ds=0}$ subject to nonlinear and nonlocal boundary conditions. This model, with $\\tau=0$, was first considered by Cavalcanti (Discrete Contin. Dyn. Syst., 8(3), 675-695, 2002), where results of global existence and uniform decay rates of energy have been established. In this work, by taking $\\tau=-\\infty$, and considering the autonomous equivalent problem we prove that the dynamical system $(\\mathcal{H},S_t)$ generated by the weak solutions has a compact global attractor $\\mathfrak{A}$ (in the topology of the weak phase space $\\mathcal{H}$), which in subcritical case has finite dimension and smoothness. Furthermore, when the force follows the {\\it Hook Law}, we prove that $(\\mathcal{H},S_t)$ possesses a (generalized) fractal exponential attractor $\\mathfrak{A}_{\\exp}$ with finite dimension in a space $\\widetilde{\\mathcal{H}}\\supset\\mathcal{H}$.",
"arxiv_id": "2601.06414",
"authors": [
"Linfang Liu",
"Vando Narciso",
"Zhijian Yang"
],
"categories": [
"math.AP"
],
"license": "http://creativecommons.org/publicdomain/zero/1.0/",
"title": "Dynamics for a viscoelastic beam equation with past history and nonlocal boundary dissipation",
"url": "https://arxiv.org/abs/2601.06414",
"version": "v1"
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