Sustained Oscillations in Hyperbolic-Parabolic Systems

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1. Verfasser: Tzavaras, Athanasios E.
Format: Preprint
Veröffentlicht: 2024
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author Tzavaras, Athanasios E.
author_facet Tzavaras, Athanasios E.
contents We construct examples of oscillating solutions with persistent oscillations for various hyperbolic-parabolic systems with singular diffusion matrices that appear in mechanics. These include, an example for the equations of nonlinear viscoelasticity of Kelvin-Voigt type with stored energy that violates rank-one convexity, which amounts to a time-dependent variant of twinning solutions. An example pertaining to the system of gas dynamics with thermal effects for a viscous, adiabatic gas. Finally, an example for the compressible Navier-Stokes system in one-space dimension with nonmonotone pressure function. We also study the existence of oscillating solutions for linear hyperbolic-parabolic systems with singular diffusion matrices.
format Preprint
id arxiv_https___arxiv_org_abs_2404_18457
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Sustained Oscillations in Hyperbolic-Parabolic Systems
Tzavaras, Athanasios E.
Analysis of PDEs
35M31, 35L65, 74H05, 74H35, 74N20
We construct examples of oscillating solutions with persistent oscillations for various hyperbolic-parabolic systems with singular diffusion matrices that appear in mechanics. These include, an example for the equations of nonlinear viscoelasticity of Kelvin-Voigt type with stored energy that violates rank-one convexity, which amounts to a time-dependent variant of twinning solutions. An example pertaining to the system of gas dynamics with thermal effects for a viscous, adiabatic gas. Finally, an example for the compressible Navier-Stokes system in one-space dimension with nonmonotone pressure function. We also study the existence of oscillating solutions for linear hyperbolic-parabolic systems with singular diffusion matrices.
title Sustained Oscillations in Hyperbolic-Parabolic Systems
topic Analysis of PDEs
35M31, 35L65, 74H05, 74H35, 74N20
url https://arxiv.org/abs/2404.18457