Multi-pole representation of small acoustic sources

Fadil Santosa, William W. Symes

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Band-limited acoustic sources of small spatial extent produce radiation patterns well approximated by those of multi-poles. Assumed limits on dimensionless size Ka and source efficiency lead to explicit rules for the necessary length of the multi-pole series.

Original languageEnglish (US)
Pages (from-to)15-21
Number of pages7
JournalJournal of Mechanics
Issue number1
StatePublished - Jan 1 2000


  • Acoustic wave propagation
  • Far-field pattern
  • Multi-pole expansion
  • Source modeling

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