Two-scale asymptotic homogenization analysis of piezoelectric composite materials in generalized curvilinear coordinates
Composites Part B Engineering,
Год журнала:
2024,
Номер
284, С. 111677 - 111677
Опубликована: Июль 3, 2024
Язык: Английский
Integrability and Dynamic Behavior of a Piezoelectro-Magnetic Circular Rod
Mathematics,
Год журнала:
2024,
Номер
12(2), С. 236 - 236
Опубликована: Янв. 11, 2024
The
present
work
strives
to
explore
some
qualitative
analysis
for
the
governing
equation
describing
dynamic
response
of
a
piezoelectro-magnetic
circular
rod.
As
result
integrability
study
governed
equation,
which
furnishes
valuable
insights
into
its
structure,
solutions,
and
applications
in
various
fields,
we
apply
well-known
Ablowitz–Ramani–Segur
(ARS)
algorithm
prove
non-integrability
Painlevé
sense.
theory
planar
integrable
systems
is
applied
bifurcation
solutions
based
on
values
rod
material
properties.
Some
new
are
presented
they
categorized
solitary
double
periodic
functions.
We
display
3D
representation
addition
investigating
influence
wave
velocity
obtained
solution
particular
Язык: Английский
Elastic‐Wave Propagation in Chiral Metamaterials: A Couple‐Stress Theory Perspective
Advanced Engineering Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 14, 2025
Chiral
metamaterials,
lacking
centrosymmetry
at
the
unit
cell
level,
exhibit
acoustic
activity
and
are
promising
candidates
for
elastic‐wave
manipulation.
For
numerical
analysis,
their
complex
structures
require
substantial
computational
resources,
making
wave
propagation
simulations
of
chiral
metamaterials
challenging.
Well‐known
homogenization
methods,
based
on
classical
Cauchy
continuum,
fail
to
predict
in
metamaterials.
This
failure
is
due
use
even‐order
material
property
tensors,
which
only
account
centrosymmetric
behavior,
overlooking
intrinsic
chirality
microrotations
essential
tailored
responses.
In
this
study,
augmented
asymptotic
couple‐stress
theory
(CST)
employed.
The
governing
partial
differential
equations
involve
second‐
fourth‐order
spatial
derivatives
displacements.
Herein,
solution
demonstrated
both
analytically
a
closed
form
low‐frequency
range
numerically
using
COMSOL
Multiphysics,
employing
equation‐based
module.
homogenized
results
verified
by
comparing
with
band
diagram
polarization
rotation
analysis
derived
from
conducting
computationally
expensive
detailed
modelling.
analytical
closely
aligned
predictions
modelling
domain,
indicating
that
CST
offers
an
efficient
accurate
method
predicting
rationally
designed
Язык: Английский
Manipulation of hybrid love wave interaction with laminated metabarrier: Dynamic homogenization approach
Journal of Sound and Vibration,
Год журнала:
2025,
Номер
unknown, С. 119134 - 119134
Опубликована: Апрель 1, 2025
Язык: Английский
Magnetoelectric Coupling in Nonlinear Three-Phase Composites: A Micromechanical Study
International Journal of Mechanical Sciences,
Год журнала:
2025,
Номер
unknown, С. 110425 - 110425
Опубликована: Май 1, 2025
Язык: Английский
A study of non-uniform imperfect contact in shear wave propagation in a magneto-electro-elastic laminated periodic structure
Archive of Applied Mechanics,
Год журнала:
2024,
Номер
94(6), С. 1475 - 1501
Опубликована: Апрель 17, 2024
Abstract
The
present
study
deals
with
shear
wave
propagation
in
a
fully
coupled
Magneto-Electro-Elastic
(MEE)
multi-laminated
periodic
structure
having
non-uniform
and
imperfect
interfaces.
As
solution
methodology,
we
applied
more
general
low-frequency
dynamic
asymptotic
homogenization
technique
where
the
will
be
single-frequency
dependent
obtained
results
generalize
those
published
Chaki
Bravo-Castillero
(Compos
Struct
322:117410,
2023b)
perfect
contact
case
was
studied.
Effective
homogenized
dispersive
equations
of
motion
second-
fourth-order
approximations,
also
known
as
“Good”
Boussinesq
elastic
case,
are
derived.
Local
problems,
closed-form
expression
dispersion
second
approximations
solutions
first
local
problems
second-order
approximation
for
tri-laminated
MEE
have
been
validated
laminates
case.
effect
contact,
angle
incidence,
unit
cell
size,
volume
fraction
ME-coupling
on
is
illustrated
through
graphs.
curve
serves
highlight
work.
Язык: Английский
Unified micromechanics of magnetoelectric fibrous, particulate, and laminated composite materials
International Journal of Mechanical Sciences,
Год журнала:
2024,
Номер
unknown, С. 109900 - 109900
Опубликована: Дек. 1, 2024
Язык: Английский
Thermal Contact Response of a Transversely Isotropic Magneto-Electro-Elastic Coating
Materials,
Год журнала:
2023,
Номер
17(1), С. 128 - 128
Опубликована: Дек. 26, 2023
The
magneto-electro-elastic
(MEE)
medium
is
a
typical
intelligent
material
with
promising
application
prospects
in
sensors
and
transducers,
whose
thermal
contact
response
responsible
for
their
sensitivity
stability.
An
effective
model
between
moving
sphere
coated
MEE
transverse
isotropy
established
via
semi-analytical
method
(SAM)
to
explore
its
response.
First,
group
of
frequency
functions
the
magneto-electro-thermo-elastic
field
are
derived,
assuming
that
coating
perfectly
bonded
substrate.
Then,
aid
discrete
convolution–fast
Fourier
transform
algorithm
conjugate
gradient
method,
pressure
heat
flux
can
be
determined.
Subsequently,
induced
elastic,
thermal,
electric
magnetic
fields
substrate
obtained
influence
coefficients
relating
external
loads.
With
proposed
parametric
studies
on
sliding
velocity
property
conducted
investigate
behavior
resulting
responses
material.
properties
have
significant
effect
material;
coupled
multi-field
controlled
by
changing
thickness
~0.1
a0
a0.
Язык: Английский