On the motion of a fluid-fluid interface along a solid surface

Elizabeth B. Dussan V.*, Stephen H. Davis

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

649 Scopus citations


A fluid-fluid interface that joins a solid surface forms a common line. If the common line moves along the solid, a mutual displacement process is involved and is studied here. Some simple experiments motivate the formulation of the basic assumption of the analysis. The basic assumption is a formalization of the idea that the fluid-fluid interface rolls on or unrolls off the solid. This forms an axiom for the mostly kinematical analysis that follows. The predictions are tested through a series of qualitative experiments. The role of the no-slip boundary condition at the solid surface is discussed.

Original languageEnglish (US)
Pages (from-to)71-95
Number of pages25
JournalJournal of fluid Mechanics
Issue number1
StatePublished - Aug 1974

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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