Inertial effects and long waves in multilayer plane poiseuille flows

Igor Kliakhandler*, Gregory Sivashinsky

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The objective of this work is to clarify the role of inertial effects on the long-wavelength instabilities and dynamics of multilayer plane Poiseuille flows. A weakly nonlinear set of equations governing the evolution of interfacial waves is derived and examined. Numerical simulations show that for the flows irregular interface profiles are generic. For some systems a curious behaviour of interfaces is revealed: depending on initial conditions, interfaces evolve into irregular or soliton-like structures.

Original languageEnglish
Pages (from-to)90-95
Number of pages6
JournalPhysica Scripta
StatePublished - 1996


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