Stability of Poiseuille Flow in a Porous Medium

  • Antony A. Hill
  • Brian StraughanEmail author


We study the linear instability and nonlinear stability of Poiseuille flow in a porous medium of Brinkman type. The equivalent of the Orr-Sommerfeld eigenvalue problem is solved numerically. Difficulties with obtaining the spectrum of the porous Orr-Sommerfeld equation are discussed. The nonlinear energy stability eigenvalue problems are solved for x, z and y, z disturbances.


Poiseuille flow Porous media Orr-Sommerfeld equation Nonlinear stability 


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© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  1. 1.School of Mathematical Sciences, University of NottinghamNottinghamUK
  2. 2.Department of Mathematical SciencesDurham UniversityDurhamUK

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