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Numerical Simulation of Flow Past Circular Cylinder Based on Overset Grid Method
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Numerical Simulation of Flow Past Circular Cylinder Based on Overset Grid Method
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Journal Article
Numerical Simulation of Flow Past Circular Cylinder Based on Overset Grid Method
2022
Overview
Based on overset grid method, the problems about flow past circular cylinder were numerically studied, which include the flow around a single circular cylinder at Reynolds number Re=100 and Reynolds number Re=200, the flow past two tandem circular cylinders at Reynolds number Re=200 and dimensionless distance g
*
=4, and the flow around a lateral oscillating circular cylinder at Reynolds number Re=200. Overset grid method is effective in dealing with the problems of flow over multi-body and flow with moving boundaries. This grid method couple overlapping regions in an arbitrary manner through flow field information updating over acceptor cells in one region suing its donor cells in another region. The computed drag coefficient and lift coefficients of the circular cylinder, vortical structure in the flow wake and vortex shedding P+S mode are agreed well with the results in previous experiment investigations and numerical simulations.
Publisher
IOP Publishing
