Abstract

Using superposed elementary wave functions, an attempt has been made to model the oscillating wave displacement profile at the interface of a flush-mounted deep cavity resonator. It is found that, in order to obtain a match with experimental profile data for an air cavity, it is necessary to postulate the presence of upstream as well as downstream-traveling waves. Surface wave amplitude is set by requirement of asymptotic agreement with particle displacement of acoustic field in cavity. Implications for cavity drive mechanism will be discussed. [Work supported by GHR contract with the Naval Ship Research and Development Center.]

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