OBSERVATÓRIO DE LA ECONOMÍA LATINOAMERICANA,
Journal Year:
2023,
Volume and Issue:
21(9), P. 11067 - 11086
Published: Sept. 6, 2023
The
negative
effect
of
the
traffic
machinery
and
agricultural
implements
associated
with
little
soil
disturbance
promotes
an
increase
in
density
resistance
to
penetration.
An
alternative
minimize
degree
compaction
is
its
mobilization
seeding
row
utilizing
depth
action
shank.
plowing
on
performance
energy
requirement
a
tractor-seeder-fertilizer
combination
was
analyzed
using
completely
randomized
design.
Oxisol
clayey
texture,
submitted
soybean
corn
cultivation
no-till
crop
succession
system.
Using
shank
at
greater
cutting
causes
tractive
effort,
power
demand,
fuel
consumption
slip,
reduces
efficiency.
Agriculture,
Journal Year:
2023,
Volume and Issue:
13(3), P. 541 - 541
Published: Feb. 23, 2023
In
agricultural
machinery
design
and
optimization,
the
discrete
element
method
(DEM)
has
played
a
major
role
due
to
its
ability
speed
up
manufacturing
process
by
reducing
multiple
prototyping,
testing,
evaluation
under
experimental
conditions.
field
of
soil
dynamics,
DEM
been
mainly
applied
in
optimization
soil-engaging
tools,
especially
tillage
tools
furrow
openers.
This
numerical
is
able
capture
dynamic
bulk
behaviour
soils
soil–tool
interactions.
review
focused
on
various
aspects
application
simulation
opening
for
tool
optimization.
Different
contact
models,
particle
sizes
shapes,
calibration
techniques
determining
input
parameters
research
have
reviewed.
Discrete
predictions
profiles,
disturbed
surface
failure,
loosening,
disturbance
parameters,
reaction
forces,
types
modelled
with
also
highlighted.
pool
information
consolidates
existing
working
approaches
used
prior
studies
helps
identify
knowledge
gaps
which,
if
addressed,
will
advance
current
dynamics
modelling
capability.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(7), P. 3573 - 3573
Published: March 25, 2025
This
paper
presents
the
development
of
empirical
mathematical
models
draught
force,
Fx,
and
vertical
Fy,
acting
on
duckfoots
attached
to
tines
with
different
stiffness
working
in
various
soil
conditions.
The
consider
technical
variables
such
as
stiffness,
k,
tool
depth-to-width
ratio,
d/w,
movement
speed,
v,
moisture
content,
MC,
which
have
not
been
thoroughly
analysed
literature.
correlation
coefficients
for
predicting
Fx
Fy
values
were
0.4996
0.6227,
respectively.
Statistical
analysis
confirmed
significant
effect
these
parameters
forces
tools,
d/w
v
having
most
critical
impact
Fy.
SLSQP
(sequential
least
squares
programming)
optimisation
method
was
used
determine
optimal
variables.
maximum
value
438.55
N,
minimum
98.98
variable
at
edges
studied
ranges.
Similarly,
135.25
N
−84.55
respectively,
obtained.
results
showed
good
fitness
experimental
results,
negative
relative
errors
(from
−1.72%
do
−4.81%),
indicating
overestimating,
accuracy
model’s
predictions.
justification
research
allowed
us
conclude
that
there
is
no
basis
rejecting
explanatory
hypotheses.
developed
a
generalisable
ranges,
further
should
focus
creating
more
universal,
theoretical
soil–tool
interactions.
