Abstract
Our previous resonance formalism for the scattering of p‐waves by fluid‐filled cavities in solids [J. Acoust. Soc. Am. 63, S40(A) (1978) and J. Acoust. Soc. Am. 63, 1690 (1978)] is extended by performing the theoretical analysis needed for the complete study of the monopole mode of vibration. We develop a complete analysis of the giant fundamental resonance and its overtones in the monopole case. We particularize our results to the Rayleigh region, and to the cases of evacuated cavities in robber and to gas bubbles in water, recovering and extending some results available in the literature. We have quantitatively studied how absorption shifts the resonance peaks and broadens their width. The width of the resonance peaks is found to be linearly dependent on the resonance frequencies and this important result is used to determine the shear absorption parameter of rubbers. The giant monopole resonance for air‐filled cavities in rubber is shown to contain a contribution from the shear waves in the cavity‐wall...
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