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A numerical comparison of two decoupled methods for the simulation of viscoelastic fluid flows (1990)

El Hadj, M. ; Tanguy, P. A. ; Fortin, A.

Springer

Rheologica acta 29 (1990), S. 342-351

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Details

ISSN: 1435-1528

Schlagwort(e): Oldroyd-B fluids ; die flows ; stick-slip problem ; finite element method

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie , Physik

Notizen: Abstract Two decoupled methods for the finite element solution of the planar stick-slip transition problem with Oldroyd-B fluids, namely the method of characteristics and the Lesaint-Raviart technique, are presented and compared. These procedures are used for the local treatment of the stress transport equation imbedded in the constitutive law and allow the approximation of stresses with discontinuous shape functions. Computations are carried out up to a Deborah number of 4 and the methods are shown to yield fairly similar results.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01339889

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