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A new approach to modeling viscoelastic flow
Yuan, X F; Ball, R C; Edwards, S F
Journal of Non-Newtonian Fluid Mechanics. 1993;46(2-3):331-50.
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Abstract
By adapting the free Lagrangian approach (M. J. Fritts and J. P. Boris, 1979), a new numerical simulation technique for modeling viscoelastic fluid flow was developed. Using a comoving Voronoi mesh, the method is able to track the details of fluid behaviors, e.g. deformation and stream line. The primary results include a Johnson-Segalman fluid and a single-integral M. Doi and S. F. Edwards (1986) fluid in a simple planar channel, and a Giesekus-Leonov fluid and an Oldroyd-B fluid in a planar 4:1 abrupt contraction at modestly high Weissenberg no. A free-surface flow is also considered. [on SciFinder(R)]
Keyword(s)
Flow (of viscoelastic fluid, math. modeling of); Simulation and Modeling (of viscoelastic fluid flow); numerical simulation viscoelastic fluid flow; viscoelastic flow model
Bibliographic metadata
- CAN 119:98893 48-7 Unit Operations and Processes Journal 0377-0257 written in English