Failure and nonfailure of fluid filaments in extension

Ole Hassager, Mette Irene Kolte, Michael Renardy

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Abstract

The phenomenon of ductile failure of Newtonian and viscoelastic fluid filaments without surface tension is studied by a 2D finite element method and by ID non-linear analysis. The viscoelastic fluids are described by single integral constitutive equations. The main conclusions are: (1) Newtonian fluid filaments do not exhibit ductile failure without surface tension; (2) some viscoelastic fluids form stable filaments while other fluids exhibit ductile failure as a result of an elastic instability; (3) for large Deborah numbers, the Considere condition may be used to predict the Hencky strain of the elastic instability.
Original languageEnglish
JournalJournal of Non-Newtonian Fluid Mechanics
Volume76
Issue number1-3
Pages (from-to)137-151
ISSN0377-0257
DOIs
Publication statusPublished - 1998
EventSecond International Conference on the Dynamics of Polymeric Liquids - Capri, Italy
Duration: 1 May 19971 May 1997
Conference number: 2

Conference

ConferenceSecond International Conference on the Dynamics of Polymeric Liquids
Number2
CountryItaly
CityCapri
Period01/05/199701/05/1997

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