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SUMMARY:Flexural wave scattering in plates - Ian Thompson (University of L
 iverpool)
DTSTART:20230206T133000Z
DTEND:20230206T141500Z
UID:TALK194734@talks.cam.ac.uk
DESCRIPTION:Many two-dimensional canonical scattering problems from elecro
 magnetism\, acoustics and water wave theory have analogues inplate theory.
  For example\, a model for an antenna array based on infinitely long cylin
 ders shares the same geometry as a row of bolts (or holes) in an elastic p
 late. In this presentation\, we will review the formulation of multiple sc
 attering theory for waves in plates\,using classical (Kirchhoff) theory an
 d also Mindlin's more sophisticated theory. We will show how to calculate 
 the wavenumbersfor Rayleigh--Bloch waves in thin plates\, and finally we w
 ill examine the effectiveness of `small scatterer' models\, akin to Foldy'
 s approximation in acoustics.
LOCATION:Seminar Room 1\, Newton Institute
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