Distributed Point Source Method for Modeling Scattered Ultrasonic Fields in the Presence of an Elliptical Cavity

Scattering of ultrasonic waves by an elliptical cavity is modeled. The ratio of the semimajor to semiminor axes is varied from 1 to model a cylindrical cavity with a circular cross section to a large value to approximately model a Griffith crack. The distributed point source method (DPSM), which is...

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Veröffentlicht in:	Structural health monitoring 2010-11, Vol.9 (6), p.527-539
Hauptverfasser:	Shelke, Amit, Das, Samik, Kundu, Tribikram
Format:	Artikel
Sprache:	eng
Schlagworte:	Crack tips Griffith crack Holes Mathematical models Point sources Scattering Slits Strikes Traction
Online-Zugang:	Volltext
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