Engineering Physics Annotation << Back Justification of Damper Design Parameters Using Finite Element Modeling Imaeva E.Sh., Shkrabiy I.S., Mazidullin D.N. This article presents the results of verifying a mathematical model for a "damper-bit" vibration protection system. An analytical approach to assessing the dependence of the damper's natural vibration frequency on load is considered, and the impact of the damping device on the bottomhole assembly is assessed. The results were verified using the ANSYS finite element analysis system (stress-strain state of the damping element, static, modal, and harmonic analyses). The obtained results will allow for the substantiation of the damper's parameter selection in drilling equipment design. Keywords: damper, deformations, finite element modeling, natural vibrations, stability, static analysis, zero resonance. DOI: 10.25791/infizik.6.2026.1557 Pp. 09-16.