Archives of Computational Methods in Engineering,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 4, 2024
Abstract
In
the
past
three
decades,
biomedical
engineering
has
emerged
as
a
significant
and
rapidly
growing
field
across
various
disciplines.
From
an
perspective,
biomaterials,
biomechanics,
biofabrication
play
pivotal
roles
in
interacting
with
targeted
living
biological
systems
for
diverse
therapeutic
purposes.
this
context,
silico
modelling
stands
out
effective
efficient
alternative
investigating
complex
interactive
responses
vivo.
This
paper
offers
comprehensive
review
of
swiftly
expanding
machine
learning
(ML)
techniques,
empowering
to
develop
cutting-edge
treatments
addressing
healthcare
challenges.
The
categorically
outlines
different
types
ML
algorithms.
It
proceeds
by
first
assessing
their
applications
covering
such
aspects
data
mining/processing,
digital
twins,
data-driven
design.
Subsequently,
approaches
are
scrutinised
studies
on
mono-/multi-scale
biomechanics
mechanobiology.
Finally,
extends
techniques
bioprinting
biomanufacturing,
encompassing
design
optimisation
situ
monitoring.
Furthermore,
presents
typical
ML-based
implantable
devices,
including
tissue
scaffolds,
orthopaedic
implants,
arterial
stents.
challenges
perspectives
illuminated,
providing
insights
academia,
industry,
professionals
further
apply
strategies
future
studies.
International Journal of Mechanical Sciences,
Год журнала:
2024,
Номер
270, С. 109091 - 109091
Опубликована: Фев. 7, 2024
Hexagonal
perforated
honeycomb
(HPH)
metamaterials
were
designed,
fabricated
and
investigated
in
this
work.
Initially,
the
mechanical
properties
deformation
modes
of
various
proposed
HPH
(HPH-U,
HPH-1L
HPH-3L)
under
quasi-static
vertical
compression
analyzed
using
experimental
finite
element
methods.
The
findings
reveal
significant
improvements
energy
absorption
due
to
hierarchical
expandable
design.
Notably,
auxetic
effect
is
diminished.
Subsequently,
impact
key
dimensional
parameters
on
Poisson's
ratio
behavior
was
explored.
results
highlighted
that
an
increase
elliptical
perforation
major
axis
minor
enhanced
but
compromised
load-bearing
absorptive
capacity.
Additionally,
displayed
exceptional
performance
horizontal
compression,
with
their
structure
enabling
them
withstand
both
impacts
while
exhibiting
excellent
capabilities.
study
also
identified
relative
density
as
a
crucial
factor
influencing
performance.
Finally,
subjected
multiple
repetitive
compressions,
meticulously
analyzing
variations
diverse
ratios.
Due
distinctive
structural
design
impressive
properties,
demonstrate
immense
potential
for
applications
automotive
engineering
sports
protection
fields.
Abstract
Lattice
materials
are
an
emerging
family
of
advanced
engineering
with
unique
advantages
for
lightweight
applications.
However,
the
mechanical
behaviors
lattice
at
ultra‐low
relative
densities
still
not
well
understood,
and
this
severely
limits
their
lightweighting
potential.
Here,
a
high‐precision
micro‐laser
powder
bed
fusion
technique
is
dveloped
that
enables
fabrication
metallic
lattices
density
range
much
wider
than
existing
studies.
This
allows
to
confirm
cubic
in
compression
undergo
yielding‐to‐buckling
failure
mode
transition
low
densities,
fundamentally
changes
usual
strength
ranking
from
plate
>
shell
truss
high
or
densities.
More
importantly,
it
shown
increasing
bending
energy
ratio
through
imperfections
such
as
slightly‐corrugated
geometries
can
significantly
enhance
stability
counterintuitive
result
suggests
new
way
designing
ultra‐lightweight
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 7, 2025
In
order
to
improve
the
power
and
energy
of
water-jet-guided
laser,
this
paper
introduces
a
double
beam
laser
(DWJL)
technology.
Based
spatially
polarized
light
combination
temporal
phase
modulation,
two
lasers
are
effectively
coupled
into
water
jet
with
diameter
100
μm.
The
maximum
output
peak
reaches
kW
pulse
is
4.63
mJ
an
operation
frequency
range
from
1
20
kHz.
coupling
efficiency
as
high
90.4%.
Its
efficient
utilization
offers
new
solutions
for
precision
cutting
processing
thick
materials.
Ultimately,
machining
capability
high-power/high-energy
DWJL
was
demonstrated
by
through
7075
aluminum
alloys
varying
thicknesses.
depth
10.61
mm,
corresponding
depth-to-width
ratio
gap
exceeds
90:1,
taper
only
approximately
0.23°.
There
no
heat-affected
ablation
zone
on
processed
surface.
For
deep
micro
holes
processing,
minimum
radius
248.54
μm
depth-to-diameter
21:1.
As
ongoing
development
technology,
innovation
anticipated
find
broader
applications
in
aerospace,
automotive
manufacturing,
high-end
equipment
manufacturing
future.
