Abstract
Dynamic elastic constants can be determined by solving the inverse scattering problem of an infinite plane acoustic wave incident upon a spherically shaped elastomer. A least-squares analysis is used to find the values of the elastic constants that are most consistent with measured scattered pressures. The approximate values of the elastic constants required to initiate the least-squares procedure can be calculated from expressions that have been developed which constitute approximate relationships between these elastic constants and the first few coefficients of the series expansion for the scattered pressure. An experimental investigation of this technique is being developed. [Work supported by NAVSEA 63R.]
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