Optimization of UAV structure and evaluation of vibrational and fatigue characteristics through simulation studiesAshraf Mahmud Rayed, Balasubramanian Esakki, Arunkumar Ponnambalam, Sajal Chandra Banik and Karim AlyInt. J. Simul. Multidisci. Des. Optim., 12 (2021) 17DOI: https://doi.org/10.1051/smdo/2021020