Buckling behaviour for advance cylindrical shells (COPV) subjected to extreme pressure conditions: A comprehensive review
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 16, 2025
Abstract
Hemispherical
end
caps
cover
cylindrical
pressure
vessels
mid‐surfaces
for
oil
and
gas,
subsea
vacuum
enclosures,
automobile,
aerospace
hydrogen
carriers
globally.
This
review
discusses
the
importance
of
composite
overwrapped
vessel
design
characteristics
like
external
pressures.
The
analysis
material
properties
their
resistive
behavior
on
section
is
used
to
ensure
accurate,
safe,
effective
operation
at
high
Composite
materials
are
popular
lightweight
end‐use
performance
in
diverse
applications.
Current
fibers
include
carbon,
glass,
carbon/glass
hybrid
that
employ
less
heavy
material.
(COPV)
need
accurate
lamina
sequence,
laminate
thickness,
fiber
winding
angles.
Mandrel
(liner)
material,
also
examined
suggested
metallic
high‐pressure
(MC‐HPVs)
including
metal
liners
or
circular
rings
circumferentially
decrease
buckling
reinforce
(Type‐III)
COPV
shells.
focus
designing
components
prevent
space
rockets
automobiles
under
conditions,
using
stiffeners
holes
various
stress
scenarios.
Genetic
algorithm
(GA)
optimizes
worst
defects
cylinder
shape
buckling,
cutting
shell
optimum
stacking
sequence
lamination
over
liner,
snap‐through
reactions
support
against
factors
pressure.
autofrettage
vibration
was
analyzed.
Liner‐less
(Type‐V)
represent
future
high‐performance
vessels,
yet
(Type
IV)
cylinders
with
plastic
light
strong
have
numerous
uses.
Highlights
Buckling
shells
mandrel
transition.
Язык: Английский
Compression and bending properties of regularly arrayed short fiber reinforced composite laminates: Experimental and numerical analysis
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 3, 2025
Abstract
Unidirectional
arrayed
chopped
strands
(UACS)
are
made
by
introducing
regularly
distributed
slits
into
continuous
fiber
prepregs,
which
show
better
flowability
and
formability
while
maintaining
high
strength
modulus.
In
this
research,
the
quasi‐static
compression
three‐point
bending
tests
were
carried
out
on
quasi‐isotropic
laminates
UACS
laminates.
The
results
illustrate
that
compressive
modulus
of
53.38
GPa
489.58
MPa,
respectively,
maintain
relatively
mechanical
properties.
decreased
7.3%,
but
its
remained
stable.
Additionally,
exhibit
resistance
to
shear
delamination
damage
retaining
good
To
further
explore
behavior
laminates,
finite
element
models
established
numerically
analyze
properties
mechanism
under
loads.
present
model
could
accurately
simulate
errors
numerical
analysis
6.03%
4.05%,
respectively.
From
mechanism,
ensure
have
lower
energy
release
rates
during
damage,
enables
stable
evolution
plays
a
positive
effect
in
reducing
area
inhibiting
delamination.
Highlights
response
loads
was
studied.
laminate
revealed.
distribution
difference
between
conventional
CFRP
is
analyzed.
Язык: Английский
An extended R-number-based multi-objective optimization method and its application to optimal design of door inner panel
Computers & Structures,
Год журнала:
2025,
Номер
314, С. 107762 - 107762
Опубликована: Апрель 14, 2025
Язык: Английский
Study on energy absorption characteristics of hybrid thin-walled tubes reinforced with carbon fibers and glass fibers
Mechanics of Advanced Materials and Structures,
Год журнала:
2025,
Номер
unknown, С. 1 - 20
Опубликована: Апрель 22, 2025
Язык: Английский
Damage evolution and failure mechanism of carbon fiber wound composite tubes under lateral compression
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 25, 2025
Abstract
Carbon
fiber
winding
composite
tubes
are
widely
used
in
automobiles,
pressure
vessels,
and
other
structures
because
of
their
excellent
performance.
The
difference
angle
has
a
significant
impact
on
the
performance
carbon
tubes.
In
this
study,
effect
different
angles
(±35°,
±55°,
±75°)
transverse
compressive
strength
was
studied
by
acoustic
emission
high‐speed
photography.
mechanical
properties
damage
evolution
during
compression
were
investigated
analyzing
multifractal
sentinel
functions
(AE)
signals.
results
show
that
increasing
can
improve
load‐carrying
capacity.
peak
load
±75°
tube
is
123.5%
higher
than
±35°
14.6%
±55°
tube.
all
samples,
matrix
cracking
dominant
mode,
accounting
for
more
90%,
followed
delamination
breakage.
Scanning
electron
microscopy
revealed
fracture
patterns
outer
surface
angles.
addition,
plays
an
important
role
stiffness
morphology
Highlights
Effect
lateral
CFRP
AE
camera
reveal
process.
Multifractal
features
sentry
function
significantly
impacts
patterns.
Язык: Английский