The Impact of Non-constant Inertia and Nonlinear Damping on the Torsional Vibration Characteristics of Internal Combustion Engine Including External Forces. KJAR [Internet]. 2022 Oct. 16 [cited 2025 Aug. 5];7(2):26-45. Available from: https://www.kjar.spu.edu.iq/index.php/kjar/article/view/776