Numerical simulation of Oldroyd-B fluid with application to hemodynamics | Zendy

Ahmed Elhanafy | Zendy; Amr Guaily | Zendy; A. Elsaid | Zendy

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Numerical simulation of Oldroyd-B fluid with application to hemodynamics

Author(s) -

Ahmed Elhanafy,

Amr Guaily,

A. Elsaid

Publication year - 2019

Publication title -

advances in mechanical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 40

eISSN - 1687-8140

pISSN - 1687-8132

DOI - 10.1177/1687814019852844

Subject(s) - viscoelasticity , finite element method , mechanics , shear stress , galerkin method , mathematics , materials science , physics , thermodynamics

Oldroyd-B viscoelastic fluid is numerically simulated using the stabilized Galerkin least squares finite element method. The instabilities due to the connective nature of the Oldroyd-B model is treated using the discrete viscous elastic split stress method. The model is used to study the behavior of the flow of blood through an abdominal aortic segment. The results show that the viscoelastic nature of the blood should be considered specially at low shear rates.

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