Effect of tip vortices on membrane vibration of flexible wings with different aspect ratiosMustafa Serdar Genç, Halil Hakan Açikel, Hacımurat Demir, Mustafa Özden, Mücahit Çağdaş and Iliasbek IsabekovEPJ Web of Conferences, 114 (2016) 02028DOI: https://doi.org/10.1051/epjconf/201611402028