Abstract
The present study aims to investigate the influence of the pore fluid on the phase velocity in bovine trabecular bone in vitro. The frequency-dependent phase velocity was measured in 20 marrow-filled and water-filled bovine femoral trabecular bone samples. The mean phase velocities at frequencies between 0.6 and 1.2 MHz exhibited significant negative dispersions for both the marrow-filled and the water-filled samples. The magnitudes of the dispersions showed no significant differences between the marrow-filled and the water-filled samples. In contrast, replacement of marrow by water led to a mean increase in the phase velocity of 27 m/s at frequencies from 0.6 to 1.2 MHz. The theoretical phase velocities of the fast wave predicted by using the Biot model for elastic wave propagation in fluid-saturated porous media showed good agreements with the measurements.
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Lee, K.I. Influence of the pore fluid on the phase velocity in bovine trabecular bone In Vitro: Prediction of the biot model. Journal of the Korean Physical Society 62, 48–52 (2013). https://doi.org/10.3938/jkps.62.48
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DOI: https://doi.org/10.3938/jkps.62.48