Vortex shedding control of circular cylinder by perforated shroud in deep water Gokturk M. Ozkan, Tahir Durhasan, Engin Pinar, Muhammed M. Aksoy, Huseyin Akilli and Beşir Sahin EPJ Web Conf., 143 (2017) 02087 Published online: 12 May 2017 DOI: 10.1051/epjconf/201714302087