Complex bursting dynamics in a Rayleigh–Liénard oscillator
Nonlinear Dynamics,
Год журнала:
2024,
Номер
112(9), С. 7679 - 7693
Опубликована: Март 18, 2024
Язык: Английский
Geometric Parameter Effects on Bandgap Characteristics of Periodic Pile Barriers in Passive Vibration Isolation
Symmetry,
Год журнала:
2024,
Номер
16(9), С. 1130 - 1130
Опубликована: Сен. 1, 2024
To
investigate
the
impact
of
geometric
parameters
periodic
pile
barriers
on
bandgap
characteristics
in
passive
vibration
isolation,
a
two-dimensional,
three-component
unit
cell
was
developed
using
finite
element
method
(FEM).
This
study
analyzed
properties
and
validated
effectiveness
FEM
through
model
testing.
The
then
methodically
applied
to
evaluate
effects
pipe
thickness,
constant,
arrangement
pattern,
cross-sectional
shape
characteristics,
culminating
proposition
novel
H-shaped
cross-section
for
piles.
results
demonstrated
that
FEM-calculated
frequency
range,
featuring
steel
piles
arranged
square
closely
aligned
with
attenuation
zone
tests.
lower
band
(LBF)
primarily
influenced
by
pile’s
inner
radius,
while
upper
(UBF)
predominantly
affected
its
outer
radius.
As
constant
increased,
LBF,
UBF,
width
gap
(WBG)
all
decreased.
Conversely,
changing
pattern
from
hexagonal
led
increases
UBF
WBG,
LBF
diminished.
Notably,
WBG
H-section
piles,
possessing
same
area,
1.31
times
greater
than
indicating
an
enhanced
isolation
performance.
Additionally,
transverse
vertical
characteristic
dimensions
distribution
assessed,
revealing
exerted
more
significant
influence
dimensions.
Язык: Английский
Quasi-periodic Bursting in a Kind of Duffing–Van der Pol System with Two Excitation Terms
Journal of Vibration Engineering & Technologies,
Год журнала:
2024,
Номер
13(1)
Опубликована: Дек. 30, 2024
Язык: Английский
Bursting oscillation and mechanism analysis of a class of Duffing–Van der Pol system with two excitation terms
The European Physical Journal Plus,
Год журнала:
2023,
Номер
138(11)
Опубликована: Ноя. 15, 2023
Язык: Английский
Bursting Dynamics of the 3-D Hindmarsh-Rose Neuron Model Under Periodic Excitation
Journal of Vibration Engineering & Technologies,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 24, 2024
Язык: Английский
Detection and Reconstruction of Bursting Oscillations in Complex Systems Using the HAVOK Analysis Framework
Algorithms,
Год журнала:
2024,
Номер
17(9), С. 388 - 388
Опубликована: Сен. 2, 2024
Multi-scale
dynamical
systems
may
exhibit
bursting
oscillations,
which
are
typically
identified
by
analyzing
time
series
and
phase
portraits.
However,
in
cases
where
oscillations
not
apparent,
relying
solely
on
these
methods
have
limitations
accurately
detecting
their
occurrence.
This
paper
introduces
the
HAVOK
analysis
framework
to
field
of
oscillations.
By
using
single-variable
data,
models
that
produce
restructured
into
forced
linear
models.
approach
allows
for
rapid
prediction
observing
terms.
The
results
show
intermittent
periodic
bursts
visualizations
eigen
within
strongly
correlated
with
excitation
states
enabling
Especially
it
is
challenging
determine
presence
through
plots
alone,
this
method
can
still
sensitively
detect
them.
Additionally,
embedded
reconstructed
flow
fields
plotted
help
understand
dynamics
certain
scenarios.
Язык: Английский