Shape identification using acoustic measurements: a numerical investigation using BIE and shape differentiation - Archive ouverte HAL
Conference Papers Year : 1992

Shape identification using acoustic measurements: a numerical investigation using BIE and shape differentiation

Marc Bonnet

Abstract

The purpose of this paper is to study numerically the problem of identifying a rigid 3D finite body Ω imbedded in an infinite acoustical medium Ωe = R3 - Ω (wave velocity c). The cavity is subjected to a known harmonic incident pressure pI(x)exp(-iωt), which satisfies Helmholtz’ equation (Δ+k2)pI = 0 inside Ωe with k = ω/c.
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hal-00122006 , version 1 (20-10-2022)

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Marc Bonnet. Shape identification using acoustic measurements: a numerical investigation using BIE and shape differentiation. IUTAM Symposium: Inverse Problems in Engineering Mechanics, 1993, Tokyo, Japan. pp.191-200, ⟨10.1007/978-3-642-52439-4_19⟩. ⟨hal-00122006⟩
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