NUMERICAL INVESTIGATION OF TRANSIENT LAMINAR FLOW OF A GIESEKUS VISCOELASTIC FLUID AROUND A CIRCULAR CYLINDER

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VAREDI S.R.; MAGHREBI M.J.; NOROUZI M.; SHAHMARDAN M.M.

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Paper Information

Journal: Journal of Applied and Computational Sciences in Mechanics Year:2013 | Volume:24 | Issue:2 (8) Page(s): 67-80

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Title

NUMERICAL INVESTIGATION OF TRANSIENT LAMINAR FLOW OF A GIESEKUS VISCOELASTIC FLUID AROUND A CIRCULAR CYLINDER

Author(s)

VAREDI S.R. | MAGHREBI M.J. | NOROUZI M. | SHAHMARDAN M.M. | Issue Writer Certificate

Keywords

GIESEKUS MODELQ2

VISCOELASTIC FLOWQ2

NUMERICAL METHODQ2

CIRCULAR CYLINDERQ2

VON KÁRMÁNQ2

TIME DEPENDENTQ2

Abstract

In this paper, the transient inertial VISCOELASTIC FLOW around a CIRCULAR CYLINDER is investigated numerically. A second order finite-volume method is used to increase the numerical accuracy. Here, the GIESEKUS MODEL is used as the constitutive equation. This nonlinear model has prominent ability in describing normal stress differences and viscosity in power-law regions. The impacts of the elasticity and Reynolds number on the shedding frequency are discussed. Also, drag reduction phenomenon in the VISCOELASTIC FLOW is studied by extracting pressure distribution on the cylinder surface. The obtained results are in good agreement with recent experimental and numerical investigations reported in the literature for Newtonian fluids.

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APA: Copy

VAREDI, S.R., MAGHREBI, M.J., NOROUZI, M., & SHAHMARDAN, M.M.. (2013). NUMERICAL INVESTIGATION OF TRANSIENT LAMINAR FLOW OF A GIESEKUS VISCOELASTIC FLUID AROUND A CIRCULAR CYLINDER. JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), 24(2 (8)), 67-80. SID. https://sid.ir/paper/196253/en

Vancouver: Copy

VAREDI S.R., MAGHREBI M.J., NOROUZI M., SHAHMARDAN M.M.. NUMERICAL INVESTIGATION OF TRANSIENT LAMINAR FLOW OF A GIESEKUS VISCOELASTIC FLUID AROUND A CIRCULAR CYLINDER. JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2013;24(2 (8)):67-80. Available from: https://sid.ir/paper/196253/en

IEEE: Copy

S.R. VAREDI, M.J. MAGHREBI, M. NOROUZI, and M.M. SHAHMARDAN, “NUMERICAL INVESTIGATION OF TRANSIENT LAMINAR FLOW OF A GIESEKUS VISCOELASTIC FLUID AROUND A CIRCULAR CYLINDER,” JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), vol. 24, no. 2 (8), pp. 67–80, 2013, [Online]. Available: https://sid.ir/paper/196253/en

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