A mPOD-based Reduced-order Modelling Approach for Fast Gas-solid Flow Simulations
Chemical Engineering Science,
Год журнала:
2025,
Номер
unknown, С. 121155 - 121155
Опубликована: Янв. 1, 2025
Язык: Английский
A LSTM-enhanced surrogate model to simulate the dynamics of particle-laden fluid systems
Computers & Fluids,
Год журнала:
2024,
Номер
280, С. 106361 - 106361
Опубликована: Июль 6, 2024
Язык: Английский
A data-driven method for fast predicting the long-term hydrodynamics of gas–solid flows: Optimized dynamic mode decomposition with control
Physics of Fluids,
Год журнала:
2024,
Номер
36(10)
Опубликована: Окт. 1, 2024
Data-driven
methods
are
of
great
interest
in
studying
the
hydrodynamics
gas–solid
flows.
In
this
paper,
we
developed
an
optimized
dynamic
mode
decomposition
with
control
(DMDc)
method
for
long-term
and
fast
prediction
one
physical
field
aid
another
field.
Using
computational
fluid
dynamics-discrete
element
(CFD-DEM)
simulation
results
as
benchmark,
ability
standard
DMDc
is
evaluated.
It
was
shown
that
superior
when
order
magnitude
predicted
data
much
larger
than
auxiliary
data,
which
cannot
be
addressed
by
using
scaled
or
dimensionless
instance,
gas
pressure
solid
volume
fraction;
on
other
hand,
both
can
reasonably
predict
behavior
flows,
elements
comparative
to
This
study
proposes
a
relatively
accurate
predicting
flows
known
Язык: Английский
Enhanced Long-Time prediction of Gas-Solid flows via Integrating Reduced-Order model with Cluster-Based network model
Chemical Engineering Science,
Год журнала:
2025,
Номер
unknown, С. 121634 - 121634
Опубликована: Апрель 1, 2025
Язык: Английский
Advanced graph neural network-based surrogate model for granular flows in arbitrarily shaped domains
Chemical Engineering Journal,
Год журнала:
2024,
Номер
500, С. 157349 - 157349
Опубликована: Ноя. 1, 2024
Язык: Английский
Coupling numerical simulation and artificial intelligence prediction: A computational fluid dynamics–discrete element method and deep learning approach to gas–solid flows
Physics of Fluids,
Год журнала:
2024,
Номер
37(5)
Опубликована: Май 1, 2024
With
the
development
of
computing
technology
and
numerical
methods,
a
coupling
discrete
element
method
(DEM)
with
computational
fluid
dynamics
(CFD)
is
becoming
an
effective
simulation
for
deeper
understanding
large-scale
gas–solid
flow
systems.
Traditionally,
cost
DEM
part
usually
much
higher
than
CFD
due
to
explicitly
tracking
more
solid
particles
grids.
However,
coarse-graining
high-performance
computing,
actually
wall-time
bottleneck
in
many
cases.
To
mitigate
this
problem,
deep-learning-based
fluid-dynamics
prediction
(FPM)
proposed
replace
or
accelerate
CFD.
Accurate
CFD–DEM
results
provide
dataset
deep
learning
using
artificial
neural
network
(ANN)
UNet
architecture,
time-series
local,
neighboring,
global
information
consider
its
critical
spatiotemporal
heterogeneity
feature.
The
FPM
can
be
incorporated
into
(FPM–CFD–DEM)
simply
(FPM–DEM).
Simulations
have
demonstrated
that
FPM–DEM
10-fold
faster
original
under
similar
accuracy,
while
FPM–CFD–DEM
only
double
speed
but
predict
reasonable
longer
time.
Future
work
may
exploit
remarkable
potential
intelligence
techniques
developing
efficient
methods
other
multiphase
system.
Язык: Английский