Stability analysis of non-linear plates coupled with darcy flows

Eugenio Aulisa, Akif Ibragimov, Emine Yasemen Kaya-Cekin

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

In this paper we study the dynamical response of a non-linear plate with viscous damping perturbed in both vertical and axial directions and interacting with Darcy flow. We first consider the problem for non-linear elastic body with damping coefficient; existence and uniqueness of the solution for the steady state problem is proven. The stability of the dynamical non-linear plate problem under certain conditions on the applied loads is investigated. Second, we explore the fluid structure interaction problem with Darcy flow in porous media. Energy functional for the displacement field of the plate and the gradient pressure of the fluid flow is built in an appropriate Sobolev type norm. We show that for a class of boundary conditions the energy functional is limited by the flux of mass through the inlet boundary.

Original languageEnglish
Pages (from-to)193-232
Number of pages40
JournalEvolution Equations and Control Theory
Volume2
Issue number2
DOIs
StatePublished - 2013

Keywords

  • Darcy flow
  • Non-linear plate
  • Stability
  • Von Karman plate

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