A Three-Dimensional Finite-Element Model of a Human Dry Skull for Bone-Conduction Hearing
Level of the mechanical point impedance, , of the dry skull. The black-solid line represents the experimental data in Stenfelt et al.  and the solid red line (normal) is the results with the optimized values in the model. Young’s modulus of the polyurethane was altered by increasing or decreasing its real (Re) or imaginary (Im) parts by two orders of magnitude. For example, complex Young’s modulus, , is for the “normal,” “high ” means .
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