Abstract
The acoustic radiation impedance of curved vibrating caps and rings located on hard baffles of oblate spheroidal shape is analyzed using eigenfunction expansion in oblate spheroidal wave functions. The numerical evaluation of the formulas is accomplished with the help of extensive computer programs. The results are presented in families of plotted curves showing the effect of curvature on the acoustic radiation impedance. Calculations are made for values of the acoustic size in the range 0.1⩽ka⩽20.0.
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