Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Symmetry Effect on the Dynamic Behaviors of Sandwich Beams with Periodic
  Face Sheets   We investigate theoretically and demonstrate experimentally, the effect of
material and geometric periodicity in face sheets on the overall dynamics of
sandwich beams. By treating the two face sheets and core as separate entities
using the classic sandwich plate theory (CPT), in conjunction with Bloch
theorem, and solving the governing equations with the transfer matrix method
(TMM) and the generalized differential quadrature method (GDQM), we obtain a
low-frequency \textit{total} bandgap in which both transverse and longitudinal
waves are blocked in sandwich beams with glide-reflected (GR) face sheets. On
the other hand, only \textit{partial} bandgaps blocking either transverse or
longitudinal waves are present in the ones with mirror-reflected (MR) face
sheets. Furthermore, a combination of full-scale finite element method (FEM)
simulations and experimental characterization provide unequivocal evidence of
these phenomenal wave features, as well as the accuracy of our theoretical
results via defining separate displacement fields in comparison with effective
periodic Timoshenko beam models. Our study indicates new mechanisms to suppress
low-frequency elastic waves by tuning face sheet symmetry. Our explanation of
wave behaviors from a structural symmetry point of view also provides a more
comprehensive understanding of the symmetry effect on wave propagation in
quasi-one-dimensional structures at large.

14
The categories of this paper are: math-ph
27
The categories of this paper are: comp-gas
31
The categories of this paper are: ao-sci
10
The categories of this paper are: q-bio
33
The categories of this paper are: plasm-ph
6
The categories of this paper are: astro-ph
0
The categories of this paper are: hep-ph
20
The categories of this paper are: acc-phys
36
The categories of this paper are: cmp-lg
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The categories of this paper are: eess
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The categories of this paper are: stat
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The categories of this paper are: q-fin
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The categories of this paper are: bayes-an
32
The categories of this paper are: atom-ph
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The categories of this paper are: adap-org
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The categories of this paper are: quant-ph