A.A. Korobkov1, I.A. Safiullin2, I.P. Ashaev3, A.K. Gaysin4, A.F. Nadeev5

1-5 Kazan National Research Technical University n.a. A.N. Tupolev – KAI (Kazan, Russia)

1 aakorobkov@kai.ru; 2 iasafiullin@kai.ru; 3 ipashaev@kai.ru; 4 akgaysin@kai.ru; 5 afnadeev@kai.ru