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    ARTICLE

    A Study on the Far Wake of Elliptic Cylinders

    Subhankar Sen1, Sanjay Mittal2, *

    CMES-Computer Modeling in Engineering & Sciences, Vol.113, No.1, pp. 35-55, 2017, DOI:10.3970/cmes.2017.113.033

    Abstract The evolution of far wake of stationary elliptic cylinders with angle of attack is investigated for the unsteady flow at Re = 200 using a stabilized finite- element method. The Reynolds number, Re, is based on the major axis of cylinder and free-stream speed. Cylinder aspect ratios, AR considered are 0.2, 0.5 and 0.8 while the angle of attack, α varies from 0◦ to 90◦. With increasing α, the Karman or primary shedding frequency of each cylinder decreases monotonically while the primary wavelength and time-averaged as well as r.m.s. drag increase monoton- ically. The time-averaged… More >

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