Journal of Thermoplastic Composite Materials,
Journal Year:
2022,
Volume and Issue:
36(10), P. 4083 - 4105
Published: Dec. 24, 2022
The
main
aim
of
this
research
is
to
establish
the
algorithm
for
nonlinear
thermo-mechanical
buckling
sandwich
functionally
graded
graphene
platelet
reinforced
composite
(FG-GPLRC)
shallow
spherical
caps
and
circular
plates
with
porous
core
under
external
pressure
and/or
uniformly
distributed
thermal
load
according
higher-order
shear
deformation
theory
considering
von
Karman
nonlinearities.
Sandwich
are
made
by
two
FG-GPLRC
coatings
assumed
be
rested
on
an
elastic
foundation
modeled
Pasternak
model.
equilibrium
equation
system
in
form
algebra
can
approximately
obtained
using
Ritz
energy
method.
critical
loads
postbuckling
curves
explicitly
determined.
effects
material
parameters,
geometrical
core,
investigated
discussed
detail
numerical
investigation
section.