European Journal of Mechanics - A/Solids,
Journal Year:
2024,
Volume and Issue:
107, P. 105384 - 105384
Published: July 21, 2024
The
prime
target
of
the
present
study
is
to
inspect
role
surface
elasticity
at
nanoscale
in
changing
stability
branches
as
well
lower
and
upper
limit
loads
uniformly
thermomechanical
loaded
curved
nanobeams
having
different
degrees
curvature.
To
this
end,
classical
elastic-based
multiple
equilibria
are
predicted
for
nanosized
third-order
shear
flexible
clamped
beams
consisted
through-thickness
functionally
graded
porosity
with
schemes
besides
reinforcing
by
graphene
nanofillers.
established
nanoscale-dependent
nonlinear
formulations
then
solved
numerically
aid
isogeometric
collocation
technique
creating
a
distinct
grid
points
allocated
contemplated
basis
assortments
individually
via
Greville
abscissas.
It
deduced
that
taking
temperature
escalation
into
account,
along
applied
sidewise
uniform
pressure,
prominence
stress
effects
on
quantity
load
reduces,
while
them
enhances.
These
anticipations
become
more
prominent
FGP
reinforced
nanobeam
possessing
less
degree
Accordingly,
owning
small-curved
nanobeam,
increasing
amount
from
150°C
300°C,
turns
down
16.90%
1.51%
if
h=15nm,
6.76%
0.38%
h=30nm,
2.48%
0.07%
h=60nm.
While
gets
higher
48.69%
138.25%
22.70%
83.95%
8.89%
22.91%
Owning
medium-curved
rise
14.98%
12.68%
7.09%
6.03%
2.84%
2.41%
Alternatively,
large-curved
22.30%
21.15%
10.38%
9.82%
4.11%
3.87%
Journal of Materials and Engineering,
Journal Year:
2024,
Volume and Issue:
2(2), P. 125 - 135
Published: Jan. 1, 2024
Bio-tribology,
the
study
of
lubrication,
wear,
and
friction
in
biological
systems,
has
made
recent
strides
lubrication
medical
implants
joints.
This
comprehensive
review
discusses
most
developments
bio-tribology,
with
an
emphasis
on
transition
from
basic
science
to
engineering
applications.
An
overview
bio-tribology
its
increasing
significance
medicine
commences
study.
Following
this,
research
composition
synovial
fluid
function
minimizing
natural
joints
is
discussed.
Medical
implant
tribology,
including
degradation
issues
dental
prostheses
joint
replacements,
then
addressed.
investigates
manner
which
surface
modifications
coatings
improve
tribological
performance
implants.
It
emphasizes
material
engineering.
article
relation
functionality
longevity
biomedical
devices.
digital
models,
simulations,
state-of-the-art
imaging
techniques
that
have
propelled
forward
are
highlighted.
In
addition
proposing
potential
avenues
overcome
current
obstacles,
highlights
interdisciplinary
nature
urges
collaboration
among
materials
science,
biomechanics
researchers.
Structures,
Journal Year:
2024,
Volume and Issue:
63, P. 106431 - 106431
Published: April 21, 2024
This
paper
proposes
a
finite
element
model
based
on
Quasi-3D
theory,
which
includes
both
normal
and
shear
effects,
to
study
the
bending,
vibration,
buckling
responses
of
FG-CNTRC
GPLRC
curved
beams.
A
two-node
beam
satisfying
C1
continuity
requirement
is
utilized
compute
displacements,
critical
loads,
natural
frequencies
for
beams
with
various
boundary
conditions.
To
evaluate
precision
suggested
model,
numerical
examples
are
conducted.
Next,
comprehensive
parameter
carried
out
effects
distribution
patterns
fractional
volume
reinforced
materials,
open
angles,
aspect
ratios,
Numerous
results
can
serve
as
benchmarks
subsequent
investigations.
