Journal of Science and Transport Technology,
Год журнала:
2023,
Номер
unknown, С. 46 - 55
Опубликована: Сен. 29, 2023
This
paper
presents
and
analyzes
the
nonlinear
buckling
responses
of
cylindrical
sinusoid
Functionally
graded
graphene
platelet
reinforced
composite
(FG-GPLRC)
panels
under
axial
compressive
load.
The
higher-order
shear
deformation
theory
is
applied
to
establish
governing
equations
structures.
stress
function
approximated
using
like-Galerkin
method,
Galerkin
method
solve
equations.
critical
loads
postbuckling
load-deflection
curves
are
expressed
in
explicit
form.
effects
panel
types,
geometrical
parameters,
imperfection,
foundation
on
FG-GPLRC
discussed.
Numerical
results
also
evaluate
compare
panels.
Ships and Offshore Structures,
Год журнала:
2024,
Номер
unknown, С. 1 - 22
Опубликована: Апрель 3, 2024
This
paper
presents
the
free
vibration
and
buckling
analyses
of
multi-directional
functionally
graded
porous
doubly
curved
shallow
shells
resting
on
Pasternak
elastic
foundations
in
a
thermal
environment.
For
first
time,
linear
finite
element
formulation
using
refined
high-order
shear
deformation
theory,
combined
with
Hermitian
function,
is
developed
to
compute
behaviour
shells.
Mechanical
properties
MFGP
material
change
according
length,
width
thickness
directions
porosity
distribution
including
even
uneven.
The
shell
operated
uniform,
non-linear
temperature
environments.
convergence
accuracy
proposed
method
are
verified
by
comparing
numerical
results
published
works.
In
addition,
comprehensive
investigation
was
carried
out
evaluate
influence
parameters
natural
frequency
critical
Journal of Thermoplastic Composite Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 8, 2024
The
main
aim
of
this
paper
is
to
analyze
the
nonlinear
electro-thermo-mechanical
dynamic
buckling
and
vibration
third-order
shear
deformable
circular
plates
spherical
caps
with
functionally
graded
graphene
platelet
reinforced
composite
(FG-GPLRC)
coatings,
piezoelectric
layers,
porous
core.
are
assumed
be
rested
on
Pasternak
visco-elastic
foundation,
subjected
external
pressure
in
thermal
environment.
total
potential
energy
expression
structures
established
using
Lagrange
function.
Euler-Lagrange
equations
Rayleigh
dispassion
functions
applied
obtain
motion
equation
structures.
This
can
solved
Runge-Kutta
method
responses
caps.
Significant
discussions
different
effects
distribution,
volume
fraction,
core,
foundation
parameters
presented
through
investigated
examples.
Mechanics of Advanced Materials and Structures,
Год журнала:
2024,
Номер
unknown, С. 1 - 17
Опубликована: Ноя. 17, 2024
This
research
aims
to
study
the
nonlinear
electro-thermo-mechanical
dynamic
responses
of
cylindrical,
sine,
and
parabolic
graphene
platelets
reinforced
panels
with
auxetic
cores
piezoelectric
layers.
By
applying
higher-order
shear
deformation
theory,
viscoelastic
foundation
model,
approximate
technique
for
stress
function,
Rayleigh
dissipation
energy
method,
governing
formulations
are
established.
The
natural
frequency
is
determined
explicitly,
Runge-Kutta
method
used
acquire
time
amplitude
numerically.
noticeable
effects
piezoelectrical
layers,
core,
GPL
parameters
on
mechanical
thermal
buckling
vibration
recognized
from
numerical
investigations.
