Simulating an Unsteady Turbulent Flow around a Cylinder by the Immersed Boundary Method

— The paper presents a technique for the numerical modeling of unsteady turbulent flows. A special feature of the technique consists of applying the immersed boundary method to ensure the fulfilment of the boundary conditions on the surface of the bodies in the flow for the resulting numerical solut...

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Bibliographic Details
Published in:Mathematical models and computer simulations 2019, Vol.11 (1), p.74-85
Main Authors: Abalakin, I. V., Duben, A. P., Zhdanova, N. S., Kozubskaya, T. K.
Format: Article
Language:English
Subjects:
Boundary conditions
Computational fluid dynamics
Computer simulation
Cylinders
Mathematical Modeling and Industrial Mathematics
Mathematical models
Mathematics
Mathematics and Statistics
Simulation and Modeling
Three dimensional flow
Turbulent flow
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Summary:— The paper presents a technique for the numerical modeling of unsteady turbulent flows. A special feature of the technique consists of applying the immersed boundary method to ensure the fulfilment of the boundary conditions on the surface of the bodies in the flow for the resulting numerical solution. It is used for the numerical solution of the problem on a turbulent flow past a three-dimensional cylinder. The obtained numerical solution is compared with numerous experimental and calculated reference data and calculation results using boundary-fitted grids.
ISSN:2070-0482
2070-0490
DOI:10.1134/S2070048219010022