HIGHLIGHTS
- who: Lalith Sai Srinivas Pillarisetti and colleagues from the Department of Engineering Science and Mechanics, Penn State, University Park, Pennsylvania, USA have published the research work: Control of low-frequency guided elastic wave modes in a hollow pipe using a meta-surface, in the Journal: (JOURNAL)
- what: The authors demonstrate the presence of bandgaps for the low-frequency axisymmetric longitudinal modes L(0 1) and L(0 2) and the torsional mode T(0 1). The authors demonstrate a meta-surface design with two important functional capabilities: (a) preferentially transmitting the L(0,2) mode . . .
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