A nonlinear instability result to the Navier-Stokes equations with Navier slip boundary conditions

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1. Verfasser: Nguyen, Tien-Tai
Format: Preprint
Veröffentlicht: 2025
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author Nguyen, Tien-Tai
author_facet Nguyen, Tien-Tai
contents In this paper, we investigate the instability of the trivial steady states to the incompressible viscous fluid with Navier-slip boundary conditions. For the linear instability, the existence of infinitely many normal mode solutions to the linearized equations is shown via the operator method of Lafitte and Nguyen (2022). Hence, we prove the nonlinear instability by adapting the framework of Desjardins and Grenier (2003) studying some classes of viscous boundary layers to obtain two separated solutions at escaping time. Our work performs a different approach from that of Ding, Li and Xin (2018).
format Preprint
id arxiv_https___arxiv_org_abs_2512_23946
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle A nonlinear instability result to the Navier-Stokes equations with Navier slip boundary conditions
Nguyen, Tien-Tai
Analysis of PDEs
In this paper, we investigate the instability of the trivial steady states to the incompressible viscous fluid with Navier-slip boundary conditions. For the linear instability, the existence of infinitely many normal mode solutions to the linearized equations is shown via the operator method of Lafitte and Nguyen (2022). Hence, we prove the nonlinear instability by adapting the framework of Desjardins and Grenier (2003) studying some classes of viscous boundary layers to obtain two separated solutions at escaping time. Our work performs a different approach from that of Ding, Li and Xin (2018).
title A nonlinear instability result to the Navier-Stokes equations with Navier slip boundary conditions
topic Analysis of PDEs
url https://arxiv.org/abs/2512.23946