Viscoplastic flow over an inclined surface

NJ Balmforth, RV Craster, P Perona, AC Rust, R Sassi

Research output: Contribution to journalArticle (Academic Journal)

34 Citations (Scopus)


We review viscoplastic flow over inclined surfaces, focusing on constant-flux extrusions from small vents and the slumping of a fixed volume of material. Lubrication theory is used for shallow and slow flows to reduce the governing equations to a nonlinear diffusion-type equation for the local fluid depth; this model is used as the basis for exploration of the problem. Theory is compared to experiments. A number of complications and additional physical effects are discussed that enrich real situations.
Translated title of the contributionViscoplastic flow over an inclined surface
Original languageEnglish
Pages (from-to)219 - 243
Number of pages24
JournalJournal of Non-Newtonian Fluid Mechanics
Publication statusPublished - Mar 2007

Bibliographical note

Publisher: Elsevier
Other: First published in same journal in 2006, volume 139, pages 103-127

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