Science and Education Publishing American Journal of Mechanical Engineering 2 7 2014 11 07 Modal Analysis of Axially Symmetric Structure 265 269 EN Pavol Lengvarsky Department of Applied Mechanics and Mechanical Engineering, Technical University of Košice, Faculty of Mechanical Engineering, Slovakia Martin Hagara Martin Schr?tter Jozef Bocko AJME20142719 10.12691/ajme-2-7-19 2014 10 16 2014 10 22 2014 11 07 There is described the identification of coupled modes of axially symmetric structure in this paper. The stiff pipe with free-free boundary conditions was chosen as an investigated specimen. Two different experimental modal analysis approaches were performed and their results were compared with numerical methods.