Review of smoothed particle hydrodynamics modeling of fluid flows in porous media with a focus on hydraulic, coastal, and ocean engineering applications
Physics of Fluids,
Год журнала:
2025,
Номер
37(2)
Опубликована: Фев. 1, 2025
A
comprehensive
review
is
conducted
on
the
application
of
Lagrangian
mesh-free
methods
for
simulating
flows
in
various
types
porous
media,
ranging
from
fixed
structures
like
coastal
breakwaters
to
deformable
and
transportable
media.
Deformable
media
refer
soil
that
may
deform
under
influence
currents
waves,
while
involve
processes
such
as
sediment
transport
scour
around
hydraulic,
coastal,
ocean
structures.
This
addresses
problem
dimensionality,
governing
equations,
domain
discretization
schemes,
interaction
mechanisms,
applications.
The
literature
analysis
reveals
numerical
techniques
have
been
employed
model
complex
between
fluid
solid
phases,
not
all
are
physically
or
mathematically
justifiable.
However,
some
approaches
significantly
advanced
modeling
process
over
past
two
decades.
Based
these
findings,
a
framework
proposed
guide
construction
models
flow
interactions
with
natural
engineered
It
highlights
effective
approaches:
(i)
Three-dimensional
(3D)
pore-scale
microscopic
through
large-sized
particles
using
coupled
smoothed
particle
hydrodynamics
(SPH)
discrete
element
method
(DEM),
(ii)
two-dimensional
(2D)
macroscopic
small-sized
mixture
theory
SPH.
mixture-theory-based
particularly
large-scale
simulations
SPH-DEM
coupling
enable
precise
fluid–solid
interactions.
serves
researchers
developing
simulate
engineering
Язык: Английский
Unresolved MPS-DEM coupling method for three-dimensional liquid-solid dam-break flows impacting on rigid structures
Ocean Engineering,
Год журнала:
2025,
Номер
323, С. 120601 - 120601
Опубликована: Фев. 8, 2025
Язык: Английский
FLUID-SOLID COUPLING MODEL BASED ON DEM USING OpenFOAM AND preCICE
Japanese Journal of JSCE,
Год журнала:
2025,
Номер
81(16), С. n/a - n/a
Опубликована: Янв. 1, 2025
Язык: Английский
A motif based wall boundary model for smoothed particle hydrodynamics
Physics of Fluids,
Год журнала:
2025,
Номер
37(5)
Опубликована: Май 1, 2025
In
free
surface
flow
problems
solved
using
the
Smoothed
Particle
Hydrodynamics
(SPH),
solid
walls
(or
rigid
interfaces)
are
often
represented
as
particles
in
order
to
provide
adequate
support
computational
kernel.
These
wall
put
severe
restrictions
on
resolution
of
geometry
and
also
significantly
contribute
memory
footprint
simulation.
We
propose
a
kernel
motif-based
boundary
model
through
an
implementation
incompressible
smoothed
particle
hydrodynamics.
use
global
motif,
which
is
rigidly
translated
SPH
particle's
projection
onto
element,
providing
full
while
pinning
ensuring
no
penetration.
This
approach
drastically
reduces
simulations
that
involve
large
area
by
reducing
number
degrees
freedom.
The
method
allows
thin
be
immersed
fluid,
removing
wall's
minimum
thickness.
Several
two-dimensional
relevant
offshore
engineering
presented
test
cases
for
validation.
Язык: Английский
Simulating waves induced by landslide using coupled smoothed particle hydrodynamics and discrete element method: Evaluating the impact of irregular rock shapes
Physics of Fluids,
Год журнала:
2024,
Номер
36(12)
Опубликована: Дек. 1, 2024
The
morphology
of
rock
plays
an
important
role
in
the
process
landslide-induced
wave,
yet
it
is
often
neglected
current
studies.
This
work
aims
to
fill
this
gap
by
investigating
impact
irregular
shapes
on
wave
generation
and
propagation
via
coupling
smooth
particle
fluid
dynamics
discrete
element
method
from
a
multi-scale
perspective.
Initially,
induced
column
collapse
reproduced
validated
against
existing
results.
Subsequently,
influence
shapes,
particularly
aspect
ratio
particles
waves,
analyzed.
findings
indicate
that
spherical
particles,
due
their
low
self-locking
tendency
simple
force
chain
structure,
exhibit
higher
average
velocities
more
stable
velocity
changes
during
landslide
process.
Spherical
generate
larger
free
surface
waves
with
smoother
regular
waveforms
when
entering
water.
In
contrast,
polyhedral
produce
multiple
secondary
peaks
alongside
main
wave.
height
these
negatively
correlated
ratio.
Specifically,
maximum
run-up
generated
elliptical
highest
11.7%
lower
than
particles.
research
highlights
mechanism
tsunami
dynamics,
which
provides
theoretical
foundation
for
disaster
prediction
assessment.
Язык: Английский