Waves in Random and Complex Media,
Journal Year:
2021,
Volume and Issue:
34(6), P. 5933 - 5956
Published: Dec. 28, 2021
This
paper
investigates
the
nonlinear
vibrational
characteristics
of
two-dimensional
temperature-dependent,
and
imperfect
functionally
graded
(2D-FG)
truncated
conical
nanotubes
based
on
nonlocal
strain
gradient
theory
coupled
with
Von-Kármán
using
a
novel
high-order
tube
along
first-order
beam
theory.
The
Hamilton
principle
is
used
to
derive
governing
equations
associated
boundary
conditions.
A
numerical
approach,
including
couple
iteration
techniques
generalized
differential
quadrature
method
(GDQM),
solve
linear
for
different
clamped
simply-supported
composition
makes
temperature/-
porosity-dependent
material
ceramic
metal
phases
in
radius
direction
that
also
changes
length,
which
means
properties
are
varied
both
axial
radial
it
(2D-FGM).
obtained
results
discussed
detail
investigate
effect
parameter,
temperature
change,
amplitude,
porosity
aspect
ratio,
etc.,
behavior
nanotubes.
Mechanics of Advanced Materials and Structures,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 15
Published: July 8, 2024
Foldability
capacity
is
now
introduced
as
a
novel
nanofiller
reinforcement
production
procedure
using
some
operation
to
control
the
mechanical,
thermal
and
electrical
properties
in
sport
equipment.
Application
of
this
type
nanofillers
curved
structures
like
pole
vault
shell
leads
engineering
shape
structures.
This
article
organized
suggest
vibration-based
formulation
for
analysis
folded
reinforced
structure
subjected
mechanical
loading.
Using
computation
kinetic,
strain
external
energies,
one
can
arrive
motion's
equations
minimization
total
energy
Hamilton's
principle.
solution
through
an
analytical
approach,
parametric
presented.
The
verified
test
presented
confirmation
trend
results.
Mechanics of Advanced Materials and Structures,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 19
Published: June 19, 2024
Graphene
origami
in
a
copper
matrix
is
used
as
composition
of
core
sandwich
panel
between
two
piezoelectric/piezomagnetic
layers.
More
accurate
modeling
the
composite
structure
performed
using
higher-order
model
including
thickness
stretching
term.
Principle
virtual
work
order
to
derive
governing
equations
terms
resultant
components
force
and
moment
well
electromagnetic
loads.
The
are
derived
framework
with
accounting
electric
magnetic
potentials
effective
material
properties
graphene
Halpin-Tsai
rule
mixture
framework.
deformation/strain/stress
analytically
obtained
thermal,
mechanical,
electrical,
loads
folding
degree
content
origami.
Verification
for
justification
numerical
results.
A
foldability
dependent
parametric
analysis
presented
show
controllability
stress,
strain
deformations
along
direction.
Eídos,
Journal Year:
2024,
Volume and Issue:
17(24), P. 63 - 79
Published: July 1, 2024
This
paper
presents
a
comprehensive
investigation
on
the
vibrations
of
reinforced
concrete
structure
by
graphene
oxide
powders
(GOPs)
using
polynomial
displacement
field
and
Generalized
Differential
Quadrature
Method
(GDQM).
The
study
focuses
analyzing
dynamic
behavior
assessing
effects
three
different
distribution
patterns
GOPs
its
vibrations.
To
accurately
model
deformation
pressure
vessel,
is
employed,
taking
into
account
complex
geometrical
material
properties
structure.
results
highlight
significant
influence
pattern
natural
frequencies
spherical
vessel.
analysis
reveals
that
variations
in
weight
fraction
arrangement
have
direct
impact
stiffness
characteristics
Specifically,
increasing
generally
leads
to
higher
frequencies,
indicating
enhanced
structural
rigidity.
Moreover,
GDQM
demonstrate
their
effectiveness
predicting
combination
these
numerical
techniques
enables
efficient
reliable
response,
allowing
for
optimization
design
performance
vessels.
