Mechanics of Advanced Materials and Structures,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 32
Published: Aug. 29, 2024
The
present
work
models
and
studies
the
resonance
frequency
change
due
to
adsorption
phenomena
in
a
simply-supported
adatom-microbeam
system
under
an
axial
magnetic
environment.
microbeam
structure
is
functionally
graded
(FG)
sandwich
that
includes
rectangular
configuration
ceramic
perforated
core
with
periodic
square
holes
network
FG
porous
material
faces.
To
evaluate
adsorption-induced
energies
produced
by
van
der
Waals
interaction
(vdW),
Morse
Lennard-Jones
(6–12)
potentials
are
included
conjunction
nonlocal
elasticity
adopt
small-scale
impact.
Moreover,
explicit
formulas
for
inertia
moments
shear
force
developed
Timoshenko
beam
equations,
considering
residual
stress
influence
as
additional
load.
Navier-type
solution
differential
quadratic
method
(DQM)
implemented
compute
of
governing
equations.
It
established
O/Si
(100)
H/Si
dependent
on
geometrical,
perforation,
porosity
parameters,
density,
mode
number,
field
intensity
well.
Therefore,
these
numerical
results
have
been
discussed
detail
properly
examine
dynamic
vibration
behavior
suitable
mass
detection
design
M/NEMS
structures.
Mechanics of Advanced Materials and Structures,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 17
Published: Jan. 5, 2025
This
study
explores
free
vibration
of
a
rectangular
plate
composed
PU
closed-cell
foam
enhanced
with
GNPs
and
MWCNTs.
The
governing
motion
equations
are
derived
based
on
first
shear
deformation
theory
in
conjunction
Hamilton's
principle,
then
solved
by
finite
element
method.
Biot's
constitutive
law
for
poroelastic
behavior
is
utilized
place
conventional
Hooke's
to
consider
fluid-saturated
nature
pores.
In
contrast
majority
previous
studies
those
were
using
the
Halpin–Tsai
micromechanical
model,
which
presumes
an
unrealistic
ideal
uniform
distribution
nanofillers
within
matrix,
modified
model
used.
this
method,
leveraging
existing
experimental
data
employing
GA,
exponential
shape
factor
parameter
corresponding
different
GNP
MWCNT
ratios
determined
achieve
best
R-squared
fit
data.
Comprehensive
analysis
various
parameters
undertaken,
encompassing
geometric
parameters,
porosity
across
patterns
boundary
conditions.
Furthermore,
considers
influence
weight
fraction,
diverse
ratios,
reinforcement
pattern.
obtained
results
showed
that
increasing
coefficient
from
0
0.9,
natural
frequency
reduced
about
36.5%,
regardless
reinforcement.
addition,
Skempton
increased
5.3%.
Also,
caused
greatest
decrease
frequency,
dropping
36.3%
as
0.9.
Mechanics of Advanced Materials and Structures,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 19
Published: May 11, 2024
This
study
focuses
on
modeling
and
analyzing
the
thermomechanical
vibration
behavior
of
sandwich
nanobeams
made
from
biocompatible
zirconia
Ti-6Al-4V
materials.
The
nanobeam
is
composed
materials
mentioned
earlier,
featuring
a
porous
structure
in
core
layer.
experiences
significant
thermal
load
subjected
to
horizontal
external
electromagnetic
field.
equations
motion
for
were
derived
through
application
sinusoidal
high-order
shear
stress
theorem
constitutive
equation
based
nonlocal
strain
gradient
elasticity.
converted
into
using
Hamilton's
principle,
incorporating
Lorentz
force
generated
field,
solved
Navier
method.
Analyses
conducted
nanoplate,
taking
consideration
properties
layers,
impact
temperature,
intensity
applied
magnetic
layer
nanoplate
porosity
volume
ratio
distribution
function
has
been
established.
Research
demonstrated
that
an
field
can
effectively
mitigate
adverse
impacts
loads
caused
by
high
temperatures.
Mechanics of Advanced Materials and Structures,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 19
Published: March 26, 2024
This
article
is
organized
to
investigate
effect
of
material
and
geometric
characteristics
graphene
origami
as
well
multifield
loading
on
the
electro-magneto-elastic
bending
results
sandwich
smart
nanocomposite
curved
beam.
The
analysis
performed
using
higher-order
shear
deformation
theory
accounting
out
plane
normal
strain.
constitutive
relations
are
extended
in
cylindrical
coordinate
presence
thermal,
electrical,
magnetic
loads.
governing
equations
derived
principle
virtual
work
with
electric
works.
effective
properties
reinforced
composite
core
evaluated
through
Halpin–Tsai
micromechanical
models
rule
mixture
for
modulus
elasticity,
Poisson's
ratio,
density.
analytical
solution
presented
simply
supported
boundary
conditions
based
trigonometric
functions.
A
verification
test
validation
formulation,
procedure,
numerical
results.
stress
components
changes
along
thickness
direction.
show
a
significant
Mechanics of Advanced Materials and Structures,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 23
Published: March 12, 2024
In
this
article,
the
solution
for
free
vibration
and
static
bending
of
nonporous
porous
square
microplate/nanoplate
is
studied
by
practicing
modified
couple
stress
theory
(MCST).
The
impact
incorporating
length
scale
parameter
MCST
confirmed
comparing
results
to
that
molecular
dynamics
simulations.
This
study
aimed
at
investigating
influence
implementing
a
variable
on
dynamic
behavior
small-scaled
plates.
Results
are
obtained
adopting
analytical
technique
compared
cases
presupposing
constant
numerical
values
material
throughout
each
plate.
novelty
theoretical
approach
employed
achieve
formulation
parameter,
which
varies
along
thickness
both
indicate
inclusion
increases
fundamental
frequency
stiffness
When
two
one
approximating
constituent
based
Poisson's
ratio
material,
other
estimated
prior
experimental
studies,
reveals
latter
gives
higher
chosen
correspondingly.
Mechanics of Advanced Materials and Structures,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 18
Published: Oct. 8, 2024
A
novel
smart
analysis
of
sandwich
composite
cylindrical
shell
is
presented
in
this
article.
It
assumed
that
the
manufactured
from
graphene
origami
reinforced
copper
core
between
two
intelligent
layers.
The
proposed
structure
article
can
be
used
as
an
idealized
model
for
cylinder
shapes
gymnastic
sport
and
physical
therapy
units.
virtual
work
principle
piezo
elasticity
framework
coordinate
system
extended
to
derive
governing
equations.
To
arrive
at
more
accurate
results,
a
third
order
shear
deformable
kinematic
relations.
electro
elastic
responses
are
explored
using
analytical
method
seek
impact
main
parameters
such
foldability
parameter,
content
percent,
applied
electric
potential
on
strain,
deformation
stress
results.
