Stratified Newtonian and non-Newtonian flow calculations by the boundary element method |
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| Authors: | D C Constable M B Bush |
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| Affiliation: | (1) Department of Mechanical Engineering, University of Western Australia, 6009 Nedlands, Australia |
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| Abstract: | In this paper stratified Newtonian and viscoelastic flow problems are solved using a direct boundary integral formulation. Both the free surface and fluid/fluid interface geometries are unknown in advance. The technique is tested by comparison with some previously published finite element solutions and found to perform well. The extrusion of Newtonian/ Oldroyd-B and Oldroyd-B/Oldroyd-B fluids is considered in detail. |
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