Browsing by Subject "Oldroyd-B model"
Now showing items 1-3 of 3
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Article
Linear stability diagrams for the shear flow of an Oldroyd-B fluid with slip along the fixed wall
(1998)We consider the time-dependent shear flow of an Oldroyd-B fluid with slip along the fixed wall. Slip is allowed by means of a generic slip equation predicting that the shear stress is a non-monotonic function of the velocity ...
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Article
On numerical simulations of polymer extrusion instabilities
(2002)The objective of this study is mainly to review recent work concerning the numerical modeling of the stick-slip and gross melt fracture polymer extrusion instabilities. Three different mechanisms of instability are discussed: ...
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Article
On the stability of the shear flow of a viscoelastic fluid with slip along the fixed wall
(1996)In this paper we solve the time-dependent shear flow of an Oldroyd-B fluid with slip along the fixed wall. We use a non-linear slip model relating the shear stress to the velocity at the wall and exhibiting a maximum and ...