Numerical approaches to capture fluid–structure interaction considering interfaces for offshore structures
Deleted Journal,
Год журнала:
2025,
Номер
2(2)
Опубликована: Янв. 17, 2025
Recent
developments
in
offshore
renewable
energy
facilities,
such
as
wind
turbines
and
photovoltaic
generators,
often
face
challenges
posed
by
the
harsh
environments
to
which
these
structures
are
exposed.
To
ensure
continuous
operation
of
reliable
numerical
methods
urgently
needed
capture
dynamics
ocean
waves
their
complex
interactions
with
large-scale
structures.
With
development
computational
fluid
techniques,
advanced
algorithms
have
been
proposed
fluid–structure
(FSI)
applications.
Although
a
variety
introduced,
comprehensive
review
all
latest
modeling
has
not
available
literature.
address
this
gap,
paper
reviews
recent
schemes
for
dealing
FSI
problems
The
difficulties
faced
summarized,
future
directions
advancing
research
into
field
also
discussed.
Язык: Английский
A coupled particle dynamics-lattice Boltzmann method model for particle-resolved direct numerical simulation of gas–liquid–solid flow with an irregular particle expressed by multi-sphere algorithm
Physics of Fluids,
Год журнала:
2025,
Номер
37(2)
Опубликована: Фев. 1, 2025
In
this
paper,
we
develop
a
lattice
Boltzmann
(LB)
model
for
simulating
the
gas–liquid–solid
three-phase
flow.
Based
on
gas–solid
two-phase
fluid
in
framework
of
method
(LBM),
multiphase
fluid–solid
two-way
coupling
algorithm
is
proposed.
model,
fluid–fluid
interface
tracked
using
phase-field
method.
Kinetic-theory-based
boundary
treatment,
such
as
interpolated
bounce
back,
combined
with
momentum
exchange
methods
handle
flow–particle
interactions.
Particle
dynamics
(PD)
equation
depicts
particle's
movement
and
direction.
Multi-sphere
inserted
into
LBM
frame
to
efficiently
express
irregular
particle
borrowing
from
idea
multi-sphere
discrete
element
frame.
Several
typical
benchmark
cases
are
used
validate
present
including
flow
around
static
rotating
cylinder,
wetting
behavior
regular
particles
liquid–gas
interface,
setting
cylindrical
particle,
sinking
pulled
out
water.
The
numerical
results
show
that
agrees
well
analytical
solutions,
experimental
data,
published
literature.
coupled
PD-LBM
validated
can
accurately
simulate
any
system
containing
moving
contact
line
phenomena.
Язык: Английский
A hybrid immersed boundary-lattice Boltzmann method for flow and heat transfer within a fluid heat exchanger
Physics of Fluids,
Год журнала:
2025,
Номер
37(3)
Опубликована: Март 1, 2025
This
study
extended
a
hybrid
immersed
boundary-lattice
Boltzmann
method
(IB-LBM)
to
analyze
the
hydrodynamic
and
thermodynamic
behaviors
of
fluid
heat
exchanger
(FHE)
with
an
asymptotic
tube
configuration.
The
effects
Reynolds
number
(Re),
superheat
levels,
porosity,
cylinder
arrangements
on
temperature
flow
velocity
were
primarily
examined.
Several
parameters
introduced
as
metrics
evaluate
thermal
efficiency
FHE.
results
revealed
that
Re
significantly
influenced
Pressure
drops
increased
higher
Re,
while
rapid
decline
in
average
flux
was
attributed
reduced
conductive
transfer
caused
by
decreasing
difference.
Moreover,
levels
directly
impacted
outlet
but
affected
frequency
fluctuations.
frequency,
determined
through
fast
Fourier
analysis,
helps
avoid
resonance
structure's
natural
thereby
preventing
potential
structural
failures.
Additionally,
five
different
porosity
configurations
analyzed
their
impact
performance
findings
from
this
research
provide
valuable
insights
for
enhancing
Язык: Английский
Pulsation Analysis of Hose Pumps with Different Roller Counts Based on Two-Way FSI
Processes,
Год журнала:
2024,
Номер
13(1), С. 42 - 42
Опубликована: Дек. 27, 2024
Xinjiang,
as
a
major
agricultural
region,
offers
extensive
application
potential
for
hose
pumps,
given
their
excellent
performance
fertilization
devices.
Analyzing
the
pulsation
characteristics
of
pumps
during
operation
is
valuable
reducing
noise
and
extending
pump
service
life.
To
investigate
unsteady
flow
with
different
roller
numbers,
this
study
adopts
bidirectional
fluid-structure
interaction
(FSI)
method
utilizes
ANSYS
19.0
commercial
finite
element
software
to
analyze
outlet
inlet
pressure
pulsations,
velocity
distribution
field
at
intermediate
plane
both
two-roller
three-roller
transporting
high
low
Reynolds
number
fluids
under
same
working
conditions.
It
was
observed
that
exhibited
higher
compared
intensity
lower
in
than
conditions,
an
analysis
provided
on
reasons
phenomenon.
This
theoretical
support
selection
further
optimization
designs.
reduce
negative
effects
it
recommended
increase
rollers
design
while
also
considering
shape
casing
or
using
feedback
control
systems
adjust
intensity.
Язык: Английский