An orthogonal mapping technique for the computation of a viscous free-surface flow
Cliffe, K.A., Tavener, S.J. and Wheeler, A.A. (1992) An orthogonal mapping technique for the computation of a viscous free-surface flow. International Journal for Numerical Methods in Fluids, 15, (11), 1243-1258.
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In this paper we describe finite element computations of the free-surface flow of a viscous fluid down an undulating inclined plane. The technique developed here employs an orthogonal mapping that is computed along with the velocity and pressure. This is allied to a technique to compute symbolically the Jacobian and other derivatives required for numerical continuation methods. The solutions obtained are compared with laboratory experiments and finite element computations reported by Pritchard and co-workers. The finite element computational method used by these authors employs spines to represent the free surface. An excellent agreement is shown to exist between the new computations and the laboratory experiments, and with the numerical solutions of Pritchard and co-workers.
|Keywords:||Free surface, viscous flow, finite element method, orthogonal mappings.|
|Subjects:||Q Science > QA Mathematics|
|Divisions:||University Structure - Pre August 2011 > School of Mathematics > Applied Mathematics
|Date Deposited:||25 Mar 2004|
|Last Modified:||31 May 2011 23:09|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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