Molecular & cellular biomechanics,
Год журнала:
2024,
Номер
21(3), С. 621 - 621
Опубликована: Ноя. 25, 2024
Vibration
control
in
cantilever
systems
is
a
critical
challenge
various
engineering
applications,
where
unwanted
vibrations
can
lead
to
structural
fatigue,
reduced
performance,
and
potential
failure.
This
study
investigates
the
effects
of
integrating
biomechanical
impact-responsive
metamaterials
into
mitigate
vibration
transmission.
The
metamaterials,
characterized
by
their
adaptive
stiffness
energy-absorbing
properties,
are
strategically
embedded
key
components
such
as
arms,
joints,
base.
Through
experimental
analysis,
this
work
assesses
reduction
amplitude,
shifts
natural
frequency,
enhanced
damping
capacity,
energy
absorption
during
impact,
strain
at
points.
results
show
that
metamaterial-enhanced
system
achieves
significant
reductions
up
40%,
increases
frequency
over
30%,
minimizing
risk
resonance.
Additionally,
ratio
improved
much
53%,
while
impact
increased
26%.
Strain
points
reaches
24%,
contributing
mechanical
resilience.
These
findings
demonstrate
enhancing
dynamic
performance
systems,
offering
new
approach
mitigation
applications.
Materials,
Год журнала:
2025,
Номер
18(2), С. 377 - 377
Опубликована: Янв. 15, 2025
The
phononic
crystals
composed
of
soft
materials
have
received
extensive
attention
owing
to
the
extraordinary
behavior
when
undergoing
large
deformations,
making
it
possible
provide
tunable
band
gaps
actively.
However,
inverse
designs
them
mainly
rely
on
gradient-driven
or
gradient-free
optimization
schemes,
which
require
sensitivity
analysis
cause
time-consuming,
lacking
intelligence
and
flexibility.
To
this
end,
a
deep
learning-based
framework
conditional
variational
autoencoder
multilayer
perceptron
is
proposed
discover
mapping
relation
from
topology
layout
applied
with
prestress.
nonlinear
superelastic
neo-Hookean
model
employed
describe
constitutive
characteristics,
based
structures
are
obtained
via
transfer
matrix
method
accompanied
Bloch
theory.
results
show
that
data-driven
approach
can
efficiently
rapidly
generate
multiple
candidates
predicted
in
accord
each
other
also
consistent
prescribed
targets,
verifying
accuracy
flexibility
simultaneously.
Furthermore,
generalization
performance,
design
space
deeply
exploited
obtain
desired
whose
stop
bands
characterized
by
wider
bandwidth,
lower
location,
enhanced
wave
attenuation
performance.
