transformation acoustics

Tuesday, March 14, 2017 - 2:00pm - 2:50pm
Andrew Norris (Rutgers, The State University of New Jersey)
First, I will discuss a now-classic topic but with some new twists: Transformation acoustics (TA), focusing on the special case of isotropic TA for which the required properties can be realized by a wide variety of homogenized structures. First, the ability of conformal mappings to yield highly accurate focusing lenses is described. These act via reciprocity as monopole to highly one-way-wave radiators. Second, matching to the exterior fluid places constraints on the TA map that are explored.
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