Numerical Simulation of the Flow Around a Sphere Using the Immersed Boundary Method for Low Reynolds

Author(s):  
R. Campregher ◽  
S. S. Mansur ◽  
A. Silveira-Neto
2018 ◽  
Vol 374 ◽  
pp. 361-383 ◽  
Author(s):  
H. Riahi ◽  
M. Meldi ◽  
J. Favier ◽  
E. Serre ◽  
E. Goncalves

Author(s):  
T. X. Dinh

The immediate aim of this study is to check the accuracy of Kajishima’s method (one kind of immersed boundary method) for the direct numerical simulation (DNS) of turbulent channel flow over a complicated bed. In this paper, the simulation of three dimensional, time -dependent turbulent flows over a fixed hemisphere at the bed of an open channel is carried out. A finite different method (FDM) is applied with a staggered Cartesian mesh. The forces, the moments about the center of the hemisphere, and the distribution of pressure on the hemisphere in the plane of symmetry are calculated.


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