  Resonance ultrasound spectroscopy (RUS) is a non-destructive technique used
to assess materials' elastic and anelastic properties. It involves measuring
the frequencies of free vibrations in a carefully prepared sample to extract
material properties. In this paper, we investigate the asymptotic behavior of
eigenfrequencies. Our primary focus is on analyzing the asymptotic behavior of
eigenfrequencies, aiming to understand their rate of growth and convergence. We
also make observations regarding the impact of elastic constants on
eigenfrequencies.
