Mechanics Based Design of Structures and Machines,
Journal Year:
2024,
Volume and Issue:
52(12), P. 10583 - 10611
Published: May 30, 2024
The
propagation
of
flexural
waves
in
advanced
nanocomposites
reinforced
sandwich
structures
is
a
topic
paramount
importance
the
field
structural
engineering
and
materials
science.
This
study
investigates
dynamic
behavior
such
structures,
focusing
on
wave
characteristics
along
with
longitude
lateral
directions
their
influence
performance.
Advanced
nanocomposites,
unique
material
properties
enhanced
mechanical
properties,
offer
promising
opportunities
for
development
lightweight
high-strength
structures.
For
this
important
aim,
first,
mathematical
modeling
using
three-dimensional
flexibility
theory
an
analytical
solution
procedure,
results
are
collected.
After
that
datasets
section,
hybrid
deep
neural
networks
trained,
tested,
validated.
Through
comprehensive
simulations
machine
network
validations,
research
elucidates
complex
interplay
between
composition,
geometry,
phenomena.
Key
parameters,
as
velocity,
dispersion,
geometry
conditions
analyzed
to
gain
insights
into
response
structure.
findings
contribute
deeper
understanding
underlying
physics
governing
nanocomposite-reinforced
thereby
facilitating
design
optimization
resilient
systems
diverse
applications.
Mechanics Based Design of Structures and Machines,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 37
Published: Aug. 8, 2024
This
study
investigates
functionally
graded
materials
(FGMs)
as
reinforcement
for
notched
plates
prone
to
crack
propagation.
Using
a
novel
meshing
technique
and
the
Gurson-Tvergaard-Needleman
damage
model
within
ABAQUS-Explicit,
we
explore
how
various
gradation
parameters
affect
material
under
stress.
The
model,
incorporating
Von
Mises
stress
theory
Voce
hardening
law,
simulates
plastic
flow
progressive
from
void
dynamics.
Validated
against
experimental
data,
our
findings
reveal
that
local
significantly
influence
structural
performance
of
components.
research
provides
crucial
insights
into
FGMs'
potential
enhance
integrity
in
engineering
applications
involving
structures.
Mechanics Based Design of Structures and Machines,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 29
Published: Nov. 7, 2024
In
this
research,
the
free
vibration
and
supersonic
flutter
analyses
of
a
cylindrical
sandwich
shell
with
reinforced
honeycomb
core
(RHC)
integrated
piezoelectric
face
sheets
are
investigated.
The
is
structure
enriched
fibers
carbon
nanotubes
(CNTs).
layers
modeled
based
on
Cooper-Naghdi
theory
continuity
conditions
between
considered.
aerodynamic
pressure
flow
using
linear
piston
theory.
Hamilton's
principle
used
to
derive
governing
equations.
A
semi-analytical
solution
presented
including
an
exact
in
circumferential
direction
followed
by
numerical
longitudinal
via
differential
quadrature
method
(DQM).
effects
several
parameters
frequencies,
corresponding
damping
coefficients,
critical
It
concluded
that
improving
stiffness
CNTs
does
not
necessarily
improve
aeroelastic
stability
shell.
results
can
be
design
analysis
aerospace
structures.
Mechanics of Advanced Materials and Structures,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 13
Published: Jan. 14, 2025
The
present
study
investigates
the
oscillation
characteristics
of
a
sport
ball
that
is
modeled
as
doubly
curved
shell
made
nanocomposite
material
consisting
functionally
graded
graphene
platelets
and
metal
foams.
immersed
on
Kerr
basis,
which
an
elastic
foundation
with
three
parameters.
organization
pores
dispersion
throughout
thickness
model
are
considered
based
stated
functionality.
Halpin-Tsai
expanded
rule
mixture
micromechanical
models
employed
to
determine
effective
mechanical
property
values.
Once
motion
equations
established,
frequencies
derived
using
analytical
method,
especially
efficient
for
shells
simply
supported
edges.
investigation
takes
into
account
deals
effects
different
influences
natural
frequencies.
results
could
serve
benchmark
future
research.
Given
absence
comparable
research
in
existing
literature,
findings
this
can
standard
investigations.
Journal of Vibration and Control,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 15, 2025
The
utilization
of
flexural,
longitudinal,
and
torsional
modes
in
functionally
graded
piezoelectric
(FGP)
annular
plates
depends
on
their
geometric
features.
investigation
the
relationship
between
features
vibrational
characteristics
offers
valuable
insights
for
optimal
design.
In
this
paper,
double
Legendre
polynomial
method
(DLPM)
is
extended
first
time
to
study
three-dimensional
(3D)
flexural
vibration
FGP
from
two-dimensional
(2D)
axisymmetric
based
3D
elasticity
theory.
validity
proposed
verified
by
literature
results
finite
element
(FEM)
results.
influence
radial
wall
thickness
height
longitudinal
vibrations
systematically
revealed.
provide
comprehensive
guidance
design
application
domains
requiring
high
precision,
stability,
sensitivity.
