Comments on “Elastic wave radiation and diffraction of a piston source” [J. Acoust. Soc. Am. 87, 1894 (1990)

Abstract

It is noted that the second item in Eq. (12) [J. Acoust. Soc. Am. 87, 1894 (1990)] could not be ignored at low frequencies. Meanwhile, a precise solution for Eq. (1) without overflow problems is proposed at high frequencies.