Engineering Optimization,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 23
Published: Dec. 3, 2024
Optimizing
structural
designs,
especially
for
complex
systems
like
turbine
blade
cooling
structures,
requires
efficient
strategies
handling
categorical
configurations
alongside
computationally
expensive
simulations.
This
article
presents
a
Bayesian
optimization
strategy
tailored
integrated
tasks
involving
and
high-dimensional
continuous
design
variables.
A
Gaussian
process
with
Con-Cat
kernel
is
proposed
in
order
to
merge
response
datasets
from
diverse
effectively,
capturing
inter-configuration
intra-configuration
correlations
seamlessly.
Additionally,
supervised
dimension–reduction
scheme
developed
based
on
subspace
activation,
utilizing
half-Cauchy
distribution.
Remarkably,
the
represents
generalization
of
standard
kernels,
achieving
equivalence
scenarios
solely
The
activation
enhances
surrogate
modelling
performance
without
introducing
extra
model
parameters,
which
particularly
beneficial
sparse
datasets.
Numerical
evaluations,
including
three
mathematical
functions,
supported
beam
problem,
structure
optimization,
demonstrate
superiority
strategy,
exhibiting
up
an
85%
improvement
over
five
alternative
approaches,
data.
Automotive Experiences,
Journal Year:
2024,
Volume and Issue:
7(1), P. 149 - 160
Published: May 3, 2024
Crashworthiness
is
a
passive
device
that
has
an
important
function
as
absorbing
component
of
the
impact
energy
resulting
from
accidental
event.
The
main
problem
in
crashworthy
design
dimensional
limitation
on
front
end
vehicle
with
driver
so
most
absorption
limited.
Besides,
complexity
crashworthiness
difficult
to
make
conventionally.
This
research
aims
find
out
effectiveness
and
deformation
patterns.
Crashwortines
are
made
multi-cell
shape
using
PLA
material
printed
3D
printing
raise
machine.
produced
four
variation
shapes
Multi-cell
circle
(MCC),
Multi-Cell
square
(MCS),
Multicell
pentagonal
(MCP),
circles
(MCPC)
side
thickness
2
mm
length
150
mm.
Experimental
quasi-static
testing
carried
frontal
direction
UTM
machine
at
operating
speed
2mm/s.
results
study
show
crash
box
pentagon
significant
increase
value
62.49%,
which
can
be
recommended
future
resistance
tube
designs.
characteristics
pattern
failure
tend
form
bending
lamina
failure.
Failures
occur
due
plastic
fold,
elastic
bend,
pressure
mechanisms
followed
by
new
folding
formations
(lobes).
