article
A combined analytical model and finite element analysis (FEA) framework is used to assess how the stress field evolves together with the vibratory response of the flywheels within the elastic limit range. Results indicate that circumferential stress rises faster than the radial component, and the outer rim emerges as the dominant failure-prone region. According to the Tresca criterion, the analysis yields an estimate of the maximum safe rotational speed associated with the design. Modal analysis reveals natural frequencies at 613.82 Hz, 616.35 Hz, 1231.1 Hz, and 1514.9 Hz, with a peak mass participation factor of 0.904 in the Y-direction. The framework links material, geometry, and operating conditions, supporting optimized design for high-speed applications.
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DOI: 10.3390/engproc2026132004
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