Bi-material multistable auxetic honeycombs with reusable and enhanced energy-absorbing phases under in-plane crushing
Thin-Walled Structures,
Год журнала:
2024,
Номер
201, С. 111988 - 111988
Опубликована: Май 8, 2024
Язык: Английский
Shear-thickening-fluid-based meta-material for adaptive impact response
Materials & Design,
Год журнала:
2024,
Номер
244, С. 113174 - 113174
Опубликована: Июль 23, 2024
Lattice
and
Triply-Periodic-Minimal-Surface
(TPMS)
structures
are
widely
employed
in
different
engineering
disciplines,
combining
interesting
designs
with
optimal
mechanical
properties
thanks
to
the
capabilities
of
Additive
Manufacturing.
In
this
framework,
a
technique
based
on
filling
3D-printed
flexible
structure
shear-thickening
fluid
(STF)
is
proposed
improve
response
resulting
bi-phase
composite
under
impact
loads
low-velocity
regime
up
around
3
m/s.
Test
data
indicate
that
once
critical
shear
rate
threshold
for
reached,
STF-filled
can
effectively
smooth
peak
acceleration
by
50%,
decrease
penetration
depth
significantly
enhance
energy
absorption
capability
remarkable
85%.
The
hybrid
paves
way
novel
functional
applications,
exploiting
adaptive
behavior
non-Newtonian
fillers.
To
end,
Finite-Element
model
further
investigate
optimize
underlying
fluid-structure
interaction
responsible
improvement
dynamic
compressive
response.
Язык: Английский
Kresling Origami-Inspired Structures: Exploring Structure Types, Applications, Properties, and Analysis Methods
Hadi Ebrahimi Fakhari,
Juan Rosario Barboza,
Sepehr Faridmarandi
и другие.
AIAA SCITECH 2022 Forum,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 3, 2025
Язык: Английский
Mechanics of origami/kirigami structures and metamaterials
Theoretical and Applied Mechanics Letters,
Год журнала:
2025,
Номер
unknown, С. 100587 - 100587
Опубликована: Март 1, 2025
Язык: Английский
Flexible electronics for cardiovascular monitoring on complex physiological skins
iScience,
Год журнала:
2024,
Номер
27(9), С. 110707 - 110707
Опубликована: Авг. 12, 2024
Cardiovascular
diseases
(CVDs)
pose
a
significant
global
health
threat,
responsible
for
considerable
portion
of
worldwide
mortality.
Flexible
electronics
enable
continuous,
noninvasive,
real-time,
and
portable
monitoring,
providing
an
ideal
platform
personalized
healthcare.
Nevertheless,
challenges
persist
in
sustaining
stable
adherence
across
diverse
intricate
skin
environments,
hindering
further
advancement
toward
clinical
applications.
Strategies
such
as
structural
design
chemical
modification
can
significantly
enhance
the
environmental
adaptability
monitoring
performance
flexible
electronics.
This
review
delineates
processing
techniques,
including
modification,
to
mitigate
signal
interference
from
sebaceous
skin,
motion
artifacts
motion,
infection
risks
fragile
thereby
enabling
accurate
key
cardiovascular
indicators
complex
physiological
environments.
Moreover,
it
delves
into
potential
strategic
development
improvement
ensure
their
alignment
with
environment
requirements,
facilitating
transition
Язык: Английский
Recent Experimental Advances in Solid–Liquid Composites for Impact and Blast Mitigation
Journal of Composites Science,
Год журнала:
2024,
Номер
8(11), С. 462 - 462
Опубликована: Ноя. 8, 2024
The
development
of
high-performance
composites
for
mechanical
energy
dissipation
during
impact
or
explosive
events
is
vital
importance
the
safety
personnel
and
infrastructures.
Solid–liquid
are
an
emerging
class
absorbers
where
a
liquid-phase
filler
seamlessly
integrated
into
solid
matrix
to
enhance
resistance
protection
target.
This
innovative
approach
leverages
distinct
properties
both
phases
unique
interactions
between
them
achieve
superior
performance
under
high-impact
conditions.
paper
aims
review
materials
used
in
solid–liquid
composites,
ranging
from
neat
liquids
complex
fluids,
including
liquid
nanofoam
shear-thickening
provide
in-depth
analysis
fundamental
physics
underpinning
resulting
explore
how
their
contribute
enhanced
absorption.
Furthermore,
this
evaluates
advantages
limitations
these
offers
insights
future
directions
various
fields,
personal
protective
equipment,
automotive
systems,
structural
protection.
Язык: Английский
An Incremental Interpolation Scheme With Discrete Cosine Series Expansion for Multimaterial Topology Optimization
Journal of Applied Mechanics,
Год журнала:
2024,
Номер
91(8)
Опубликована: Апрель 25, 2024
Abstract
Topology
optimization
is
a
powerful
tool
for
structural
design,
while
its
computational
cost
quite
high
due
to
the
large
number
of
design
variables,
especially
multilateral
systems.
Herein,
an
incremental
interpolation
approach
with
discrete
cosine
series
expansion
(DCSE)
established
topology
optimization.
A
step
function
shape
coefficients
(i.e.,
ensuring
that
no
extra
variables
are
required
as
materials
increases)
and
use
DCSE
together
reduces
(e.g.,
from
8400
120
clamped–clamped
beam
four
materials).
Remarkably,
proposed
can
effectively
bypass
checkerboard
problem
without
using
any
filter.
The
enhanced
efficiency
∼89.2%
reduction
in
computation
time
439.1
s
47.4
s)
validated
via
both
2D
3D
numerical
cases.
Язык: Английский