Effects of surface–interface theory on the circumferential shear horizontal wave in a piezoelectric composite cylinder
Mechanics of Advanced Materials and Structures,
Год журнала:
2025,
Номер
unknown, С. 1 - 22
Опубликована: Фев. 16, 2025
The
current
work
aims
to
theoretically
investigate
the
surface–interface
effects
on
circumferential
antiplane
surface
wave
through
a
thin
piezoelectric
(PE)
layer
cylindrical
structure.
elasticity
has
been
formulated
in
coordinate
system
for
PE
material.
Along
with
parameters
such
as
and
density,
charges
are
also
considered.
material
properties
considered
heterogeneous
make
model
realistic.
dispersion
equation
shear
obtained
analytically
closed
form
electrically
short
open
cases
using
Bessel's
function.
of
essential
behavior
parameters,
coupling
parameter
radii
ratio,
heterogeneity
parameter,
prestress,
have
illustrated
numerical
simulation
graphs.
Each
graph
displayed
lowest
two
modes
facilitate
thorough
interpretation
dispersion.
Three-dimensional
plots
provided
interpret
field
variables.
It
found
that
size-dependent
sensitive
relation
only
when
is
thin.
study
findings
could
help
develop
nano/microsized
transducers
sensors.
Язык: Английский
Wave propagation characteristics of quasi-3D graphene origami-enabled auxetic metamaterial plates
International Journal of Engineering Science,
Год журнала:
2024,
Номер
unknown, С. 104185 - 104185
Опубликована: Дек. 1, 2024
Язык: Английский
A well-posed and microstructure-emerged homogenization method for nonlocal metamaterial truss
Mechanics of Advanced Materials and Structures,
Год журнала:
2025,
Номер
unknown, С. 1 - 18
Опубликована: Янв. 2, 2025
The
classical
multiscale
homogenization
methods
can
only
take
into
account
the
pure
microstructural
effect,
resulting
in
inability
to
accurately
capture
nonlocal
interactions
emerged
from
underlying
microstructures
of
metamaterial
structures.
This
paper
explores
interplay
mechanism
that
artificial
and
develops
a
well-posed
microstructure-emerged
method
capable
capturing
nonlocality
is
strictly
related
its
extrinsic
intrinsic
length
scales.
First,
we
propose
novel
concentrated
element
model
accounts
for
both
effect
interaction
describe
static
response
trusses.
not
considers
but
also
further
interaction,
thus
providing
more
comprehensive
description
Then,
based
on
model,
developed
trusses
with
an
accuracy
comparable
high-fidelity
numerical
methods.
Since
well-posed,
closed-form
solution
displacement
truss
obtained.
High-fidelity
finite
simulations
show
effective
moduli
different
have
significant
effects,
especially
high
porosity.
Results
indicate
provides
robust
accurate
representation
truss,
significantly
outperforming
consider
effects.
Язык: Английский
Anti-plane interfacial waves in a square lattice
Networks and Heterogeneous Media,
Год журнала:
2025,
Номер
20(1), С. 52 - 64
Опубликована: Янв. 1, 2025
<p>Using
the
lattice
dynamics
approach,
we
discussed
propagation
of
interfacial
waves
localized
near
interface
in
an
infinite
square
lattice.
The
has
been
modeled
as
a
single-particle
layer
material
particles
with
masses
and
elastic
bonds
different
from
those
bulk.
In
this
structure
there
were
anti-plane
waves,
i.e.,
that
decayed
exponentially
distance
interface.
Such
could
be
useful
for
determining
properties
vicinity
We
obtained
equations
motion
analyzed
corresponding
dispersion
relations
steady-state
solutions.
Here,
equation
related
circular
frequency
to
wave
number.
addition,
provided
comparison
derived
within
Gurtin-Murdoch
surface
elasticity.
To
do
this,
have
used
scaling
law
links
continuum
discrete
models.
Unlike
model,
model
number
was
limited
by
first
Brillouin
zone,
whereas
it
took
range
zero
infinity.
detailed
parametric
analysis
given
model.
Finally,
other
models
interfaces
case
discussed.</p>
Язык: Английский
On the nonlinear forced vibration of nanoshells via nonlocal strain gradient theory
International Journal of Engineering Science,
Год журнала:
2025,
Номер
211, С. 104257 - 104257
Опубликована: Март 27, 2025
Язык: Английский
Asymptotic long-wave model for an elastic isotropic nanoplate with surface effects derived from the 3D theory of elasticity and its comparison with hypotheses-based models
Continuum Mechanics and Thermodynamics,
Год журнала:
2025,
Номер
37(2)
Опубликована: Март 1, 2025
Язык: Английский
Effect of surface–interface elasticity on SH-wave scattering at the interface of two piezoelectric media with initial stress
Journal of Engineering Mathematics,
Год журнала:
2025,
Номер
152(1)
Опубликована: Апрель 24, 2025
Язык: Английский
Analysis of SH and anti‐plane SH wave signals for nanosensor applications using two distinct models of piezoelectric materials lead zirconate titanate
ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik,
Год журнала:
2025,
Номер
105(5)
Опубликована: Май 1, 2025
Abstract
The
primary
goal
of
the
current
study
is
to
examine
effects
wave
propagation
on
performance
surface
acoustic
(SAW)
macro‐
and
nano‐sensors.
Therefore,
shear
horizontal
waves
(SH)
in
an
orthotropic
piezoelectric
layer
laid
top
elastic
framework
(Model
I),
a
substrate,
substrate
II)
are
studied
using
piezoelectricity
theory.
used
variable‐separable
methodology.
Theoretical
forms
developed
show
wavenumber
any
direction
medium
based
differential
equations
matrix
formulation.
A
material
half‐space
with
nano
over
two
configurations
that
investigated.
Frequency
expressed
analytically
for
both
symmetric
anti‐symmetric
waves.
looks
into
how
phase
velocity
affected
by
density,
anisotropic
constant,
constants,
antisymmetric
modes.
limited
linear
Furthermore,
analysis
predicated
material's
characteristics
idealized
qualities.
Surface
effect
novelty,
which
conducted
model
its
applications
sensors.
findings
this
research
may
be
useful
designing
SAW
devices.
Язык: Английский