Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Adaptive nonreciprocal wave attenuation in linear piezoelectric
  metastructures shunted with one-way electrical transmission lines   In contrary to elastic media, it is easy to attain one-way coupling feature
among electrical elements, which enables unidirectional transmission of
electrical wave. In this paper, we explore and exploit the interaction of a
piezoelectric beam with a one-way electrical transmission line to facilitate
nonreciprocal transmission of elastic wave in the linear fashion. Theoretical
dispersion analysis and numerical simulations are performed to reveal
transmission behaviors of elastic wave in the presented piezoelectric
metastructure. It is uncovered that, when the one-way electrical coupling
feature is introduced, local-resonance bandgaps are maintained in opposite
directions of the piezoelectric metastructure. However, the bandgap attenuation
capability in one direction is increased compared to conventional
local-resonance metastructures, in which no electrical coupling exists between
cells, while that in the other direction is decreased. Therefore, nonreciprocal
transmission of elastic wave emerges in this system due to the distinct bandgap
attenuation capability. It is also revealed that this sort of nonreciprocal
wave attenuation capability is adaptive with the one-way electrical coupling
coefficient and the resistance of electrical cells. An experimental set-up of
the piezoelectric metastructure is built and experimental results verify the
nonreciprocity property and its adaptiveness. Overall, the presented
piezoelectric metastructure provides a linear and concise approach to realize
adaptive nonreciprocal transmission of elastic wave.

23
The categories of this paper are: solv-int
7
The categories of this paper are: hep-th
4
The categories of this paper are: cond-mat
0
The categories of this paper are: hep-ph
35
The categories of this paper are: mtrl-th
28
The categories of this paper are: alg-geom
31
The categories of this paper are: ao-sci
11
The categories of this paper are: hep-lat
21
The categories of this paper are: adap-org
20
The categories of this paper are: acc-phys
27
The categories of this paper are: comp-gas
16
The categories of this paper are: stat
37
The categories of this paper are: supr-con
34
The categories of this paper are: chem-ph
12
The categories of this paper are: nucl-th
19
The categories of this paper are: eess