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SUMMARY:Homogenisation and a Wiener-Hopf formulation for a scattering prob
 lem around a semi-infinite elastic structured duct - Alexander Movchan (Un
 iversity of Liverpool)
DTSTART:20190814T103000Z
DTEND:20190814T110000Z
UID:TALK128539@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:Authors: I.S. Jones\, N.V. Movchan\, A.B. Movchan<br> <br> Abs
 tract: The lecture will cover analysis of elastic waves in a flexural plat
 e\, which contains a semi-infinite structured duct.<br> The problem is red
 uced to a functional equation of the Wiener-Hopf type. The Kernel function
  reflects on the quasi-periodic <br> Green&#39\;s function for an infinite
  periodic structure. Analysis of the Kernel function enables us to identif
 y localised waveguide modes.<br> Homogenisation approximation has been der
 ived to explain the modulation of the wave trapped within the structured d
 uct.<br> Analytical findings are accompanied by numerical examples and sim
 ulations.
LOCATION:Seminar Room 1\, Newton Institute
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