סמינר מחלקתי Jane O'nill

School of Mechanical Engineering Seminar
Monday, November 10, 2014 at 15:00
Wolfson Building of Mechanical Engineering, Room 206

ACTIVE CLOAKING OF INCLUSIONS
FOR FLEXURAL WAVES IN KIRCHHOFF PLATES

Miss Jane O’Neill

University of Liverpool

Abstract text.

We present a new method to create an active cloak for a single inclusion in a Kirchhoff plate in the presence of flexural waves. We consider both clamped and free edge boundary conditions. To build an effective cloak, we place control sources exterior to the scatterer and choose their intensities to eliminate propagating components of the scattered wave. Our initial discussion is on the canonical problem of active cloaking of a circular cylinder for which a closed form analytic solution is derived, and exemplified in a number of illustrative cases. We then consider a clamped scatterer of arbitrary shape with a smooth boundary and describe a method for solving the active cloaking problem. Further details can be found at

http://arxiv.org/abs/1403.0816.

Short Bio: Miss Jane O'Neill finished her integrated masters programme in mathematics at the University of Liverpool in June 2013. She is currently a second year PhD student at the same department.