Vortex shedding induced by polygonal cylinders Saliha Nouri, Salah Boulaaras and Zouhaier Hafsia Eur. Phys. J. Spec. Top., 232 4 (2023) 403-414 Published online: 17 February 2023 DOI: 10.1140/epjs/s11734-023-00793-w