Journal of Food Science,
Journal Year:
2024,
Volume and Issue:
89(11), P. 7776 - 7790
Published: Oct. 11, 2024
Abstract
Euryale
ferox
was
chosen
for
this
study
to
examine
its
mechanical
properties
during
chewing.
Experiments
and
the
discrete
element
method
were
used
conduct
study.
Initially,
intrinsic
contact
parameters
of
E.
established
through
physical
tests.
The
maximum
compressive
force
breakage
chewing
(hardness,
springiness,
chewiness)
measured
using
a
texture
profile
analyzer
(TPA).
A
Hertz–Mindlin
with
bonding
model
constructed.
Optimal
values
significant
factors,
including
normal
stiffness
per
unit
area,
shear
radius,
obtained
single‐factor,
Plackett–Burman,
steepest
ascent,
Box–Behnken
response
surface
tests,
as
index.
Under
optimal
parameter
combination
conditions,
relative
error
between
simulated
experimental
0.79%,
errors
TPA
test
all
indicators
less
than
5.65%.
This
provides
valuable
reference
simulating
textural
characteristics
agricultural
products.
Agriculture,
Journal Year:
2025,
Volume and Issue:
15(4), P. 422 - 422
Published: Feb. 17, 2025
This
research
explores,
using
discrete
element
method
(DEM)
simulations,
the
behavior
of
rice
seed
infiltration
into
soil
when
it
is
deployed
via
unmanned
aerial
vehicle
(UAV)-mounted
systems.
Five
distinct
sowing
strategies
were
analyzed
to
evaluate
their
effectiveness
in
embedding
seeds
within
paddy
soil:
gravitational
drop,
centrifugal
spreading,
airflow
propulsion,
pneumatic
discharge,
and
shooting.
A
two-step
analysis
was
performed.
Initially,
flight
dynamics
modeled,
influence
air
water
drag
forces
accounted
for.
Subsequently,
penetration
simulated
with
DEM
based
on
material
properties
contact
parameters
sourced
from
existing
literature.
The
results
show
that
methods
effectively
penetrated
soil,
shooting
proving
be
most
efficient
due
its
superior
impact
momentum.
Conversely,
failed
penetrate
left
surface.
These
findings
demonstrate
necessity
enhance
UAV
technology
improve
depth
while
maintaining
operational
efficiency,
they
also
offer
crucial
insights
for
progress
applications
agriculture.
Agriculture,
Journal Year:
2025,
Volume and Issue:
15(3), P. 329 - 329
Published: Feb. 2, 2025
After
existing
ultra-deep
vertical
rotary
tillers
work
in
sugarcane
stubble
fields,
the
chopping
performance
is
poor,
and
reason
for
this
unknown.
To
solve
this,
paper
develops
a
simulation
model
of
tillage
(UDVRT)
field
using
FEM-SPH
coupling
method
physical
testing.
The
used
to
investigate
process
mechanism
UDVRT
cutter,
identifying
causes
inadequate
effectiveness.
results
show
that,
when
comparing
with
test,
magnitude
variation
cutter’s
torque
curves
are
relatively
consistent,
relative
error
topsoil
fragmentation
rate
9.5%,
entire
cultivated
layer
soil
11.3%,
average
number
times
stem
was
cut
off
closer;
thus,
modeling
reasonable
accurate.
When
cutter
cuts
simultaneously,
soil’s
constraint
on
gradually
weakened,
velocity
difference
between
blade
becomes
smaller,
tilt
stems
larger,
can
reduces,
leading
poor
effect
stubble.
order
from
top
bottom,
cutting
first
then
root,
which
an
effective
measure
increase
rate.
findings
provide
reliable
theoretical
basis
optimal
design
cutter.
Agriculture,
Journal Year:
2025,
Volume and Issue:
15(8), P. 854 - 854
Published: April 15, 2025
In
the
mechanized
harvesting
of
root
vegetables,
loosening
is
a
key
factor
that
restricts
efficiency.
Existing
mechanical
methods
have
poor
effect
and
high
operational
resistance.
Therefore,
more
efficient
agricultural
machinery
needed
to
reduce
energy
consumption
improve
To
this
end,
based
on
excavation
mechanism
first
claw
toe
structure
mole
cricket
forefoot,
paper
designs
shovel
tip
bionic
by
extracting
its
contour
curve
analyzing
process,
constructs
working
resistance
model
dynamic
balance
equation
shovel,
determines
optimal
parameters
through
two-factor
three-level
orthogonal
simulation
experiments,
carries
out
comparative
experiments
with
common
shovels.
The
results
show
combination
operating
for
rotational
speed
ω
=
5
r/s
traveling
whole
machine
v
0.5
m/s.
disturbance
performance
31
soil
improved
51.59%
compared
reduced
12.17%.
study
proved
can
significantly
which
effectively
cutting
loss
during
process.
