Morphological variability and its influence on the true triaxial mechanical response of rockfill: A DEM approach
Computers and Geotechnics,
Год журнала:
2025,
Номер
182, С. 107153 - 107153
Опубликована: Фев. 24, 2025
Язык: Английский
CNN-based calibration of discrete element method parameters for calcareous sand
Yangpan Fu,
Huawei Tong,
Jie Yuan
и другие.
Environmental Earth Sciences,
Год журнала:
2025,
Номер
84(5)
Опубликована: Март 1, 2025
Язык: Английский
Prediction of stress-strain behavior of rock materials under biaxial compression using a deep learning approach
PLoS ONE,
Год журнала:
2025,
Номер
20(4), С. e0321478 - e0321478
Опубликована: Апрель 29, 2025
Deep
learning
has
significantly
advanced
in
predicting
stress-strain
curves.
However,
due
to
the
complex
mechanical
properties
of
rock
materials,
existing
deep
methods
have
problem
insufficient
accuracy
curves
materials.
This
paper
proposes
a
method
based
on
long
short-term
memory
autoencoder
(LSTM-AE)
for
materials
discrete
element
numerical
simulations.
The
LSTM-AE
approach
uses
LSTM
network
construct
both
encoder
and
decoder,
where
extracts
features
from
input
data
decoder
generates
target
sequence
prediction.
mean
square
error
(
MSE
),
root
RMSE
absolute
MAE
coefficient
determination
R
2
)
predicted
true
values
are
used
as
evaluation
metrics.
proposed
is
compared
with
network,
recurrent
neural
(RNN),
BP
(BPNN),
XGBoost
model.
results
indicate
that
outperforms
LSTM,
RNN,
BPNN,
XGBoost.
Furthermore,
robustness
confirmed
by
10
sets
special
samples.
scalability
handling
large
datasets
its
applicability
laboratory
need
further
verification.
Nevertheless,
this
study
provides
valuable
reference
solving
prediction
Язык: Английский
Artificial intelligence for computational granular media
Computers and Geotechnics,
Год журнала:
2025,
Номер
185, С. 107310 - 107310
Опубликована: Май 7, 2025
3D-measurement of particles and particulate assemblies - A review of the paradigm shift in describing anisotropic particles
Powder Technology,
Год журнала:
2024,
Номер
447, С. 120109 - 120109
Опубликована: Авг. 3, 2024
The
goal
of
seeking
advanced
solutions
to
the
descriptions
particle
shape,
packing
and
tomographic
measurement
were
key
areas
promoted
by
Professor
Reg
Davies.
In
this
paper
we
review
reflect
on
revolution
that
has
taken
place
over
last
30
years
in
our
ability
describe
measure
shape
going
beyond
simple
factors
their
real
morphologies
complex
particles
particulate
assemblies.
presents
a
comprehensive
how
been
described
some
critical
analyses
form
extended
tabulations.
We
show
digital
approaches
can
be
used
predict
properties
assemblies
use
simulations
processing.
note
current
status
prospects
for
continued
development
microtomographic
systems
enable
3D
also
imaging
structures
property
processing
predictions.
Examples
these
developments
appraisal
utility
will
given.
Язык: Английский
A discrete element solution method embedded within a Neural Network
Powder Technology,
Год журнала:
2024,
Номер
unknown, С. 120258 - 120258
Опубликована: Сен. 1, 2024
Язык: Английский
Modeling of Triaxial Pressure Tests with Uniform Granular Materials Discrete Particle Method
Kastamonu University Journal of Engineering and Sciences,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 13, 2024
Predicting
the
mechanical
behavior
of
soils
on
which
structures
and
facilities
are
built
is
crucial
in
civil
engineering.
Although
solutions
made
by
modeling
as
continuous
homogeneous
environments
due
to
their
ease
fast
solutions,
soil
combination
particles
a
multiphase
environment.
Therefore,
Discrete
Element
Method,
offers
closer
approach
properties,
was
used
study.
This
study
modeled
granular
materials
under
triaxial
compression
tests
using
Method
(DEM).
DEM,
an
ideal
numerical
technique
for
simulating
particle
environments,
investigate
responses
assemblies
when
subjected
varying
confining
pressures.
The
research
focused
effects
shape,
size
distribution,
contact
mechanics
material's
stress-strain
relationship
deformation
during
test.
Using
DEM
PFC3D,
test
uniform
sands
estimate
Poisson's
ratio,
Young's
modulus,
bearing
capacity.
Язык: Английский