Advanced Engineering Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 30, 2024
Revealing
the
interaction
effect
in
nonlinear
bending
of
post‐buckled
functionally
graded
(FG)
piezoelectric
beams
promotes
intelligent
development
structural
design.
The
behavior
is
studied.
Based
on
displacement
field
constructed
by
refined
beam
model,
post‐buckling
configuration
considered.
geometric
relationship
and
constitutive
multi‐physical
are
modeled.
In
framework
principle
minimum
potential
energy,
static
models
FG
established.
obtained
extended
two‐step
perturbation
method.
To
obtain
approximate
solution
for
problems
beam,
scheme
electric
generalized
proposed.
detailed
parametric
analysis
indicates
mechanism
beam.
snap‐through
process
its
sensitive
interval
further
captured.
back
propagation
neural
network
(BPNN)
technique
developed
problem
achieves
accurate
prediction.