THE ULTIMATE IMAGE SINGULARITIES FOR EXTERNAL SPHEROIDAL AND ELLIPSOIDAL HARMONICS.

Research output: Book/ReportReportpeer-review

Abstract

THE IMAGE SYSTEM OF SINGULARITIES OF AN ARBITRARY EXTERIOR POTENTIAL FIELD WITHIN A TRI-AXIAL ELLIPSOID IS DERIVED.IT IS FOUND THAT THE IMAGE SYSTEM CONSISTS OF A SOURCE AND DOUBLET DISTRIBUTION OVER THE FUNDAMENTAL ELLIPSOID.THE PRESENT CONTRIBUTION IS A GENERALISATION OF PREVIOUS THEORIES ON THE IMAGE SYSTEM OF AN EXTERIOR POTENTIAL FIELD WITHIN A SPHERE AND SPHEROID.A PROOF OF HAVELOCK'S SPHERIOD THEOREM WHICH APPARENTLY IS NOT AVAILABLE IN THE LITERATURE IS ALSO GIVEN.THE KNOWLEDGE OF THE IMAGE SYSTEM IS REQUIRED, FOR EXAMPLE, WHEN HYDRODYNAMICAL FORCES AND MOMENTS ACTING ON AN ELLIPSOID IMMERSED IN A POTENTIAL FLOW ARE COMPUTED BY THE LAGALLY THEOREM.THE TWO EXAMPLES GIVEN CONSIDER THE IMAGE SYSTEM OF SINGULARITIES OF AN ELLIPSOID IN A UNIFORM TRANSLATORY MOTION AND IN PURE ROTATION.(A)

Original languageEnglish
Place of PublicationIowa City, Iowa
PublisherUniversity of Iowa
Commissioning bodyOffice of Naval Research Fluid Dynamics Branch
Number of pages20
Edition(JUNE, 1973)
StatePublished - Jun 1973

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