Viscous Flow with Large Fluid-Fluid Interface Displacement

Henrik Koblitz Rasmussen, Ole Hassager, Arild Saasen

Research output: Contribution to journalJournal articleResearchpeer-review


The arbitrary Lagrange-Euler (ALE) kinematic description has been implemented in a 3D transient finite element program to simulate multiple fluid flows with fluid-fluid interface or surface displacements. The description of fluid interfaces includes variable interfacial tension, and the formulation is useful in the simulation of low and intermediate Reynolds number viscous flow. The displacement of two immiscible Newtonian fluids in a vertical (concentric and eccentric) annulus and a (vertical and inclined)tube is simulated.
Original languageEnglish
JournalInternational Journal for Numerical Methods in Fluids
Issue number5
Pages (from-to)859-881
Publication statusPublished - 1998


  • 3D
  • Finite elements
  • Arbitrary Lagrange-Euler
  • Fluid-fluid interfaces
  • Annulus
  • Displacement

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