Waves in Random and Complex Media,
Journal Year:
2023,
Volume and Issue:
unknown, P. 1 - 26
Published: March 17, 2023
In
the
present
study,
buckling
and
vibrational
analysis
of
a
double-curved
piezoelectric
panel
structure
under
low-velocity
impact
force
is
presented.
this
regard,
first-order
deformation
theory
shell
structures
utilized
to
approximate
displacement
shell,
linear
strain-displacement
relations
are
presented
in
constitutive
equation
small
elastic
region.
Finally,
principle
virtual
work
exploited
obtain
equations
motion
electrical
mechanical
loads.
The
complexity
loads
necessitates
using
semi-analytical
methods
obtaining
effects
different
factors
on
frequency,
contact
force,
indentation
impactor.
results
detailed
parametric
study.
Effects
moduli
elasticity
both
impactor
indenter
velocity
investigated.
As
desirable
result,
it
determined
that
certain
range
applied
external
voltage,
vibration
suppressed
completely.
Journal of Thermal Stresses,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 30
Published: Jan. 8, 2025
In
this
article
the
bending
behavior
of
sandwich
plates
with
a
Functionally
Graded
(FG)
core
Boltzmann-type
viscoelastic
integrated
piezoelectric
layers
at
top
and
bottom
surfaces,
is
reported
under
electrothermomechanical
loading
within
framework
three-dimensional
elasticity
theory.
For
various
boundary
conditions,
differential
quadrature
method
(DQM)
used
to
obtain
semi-analytical
solution
along
in-plane
coordinate
axes.
The
present
formulation
validated
by
comparing
numerical
results
on
bending,
stress
those
published
in
literature.
A
complete
parametric
study
performed
reveal
effect
different
parameters
such
as
length
thickness
ratio,
temperature
gradient,
mechanical
loading,
piezo-to-core
relaxation
time
constant,
applied
voltage
rectangular
plates.
show
that
an
increase
leads
decrease
deflection
plate;
Also
due
voltage,
curve
along-the-thickness
nonlinear
for
FG
core;
but
it
was
linear
both
layers.
Mechanics of Advanced Materials and Structures,
Journal Year:
2023,
Volume and Issue:
31(14), P. 2991 - 3004
Published: Feb. 1, 2023
The
vibration
of
different
structural
members
is
highly
dependent
on
the
external
forces
and
environment
they
are
moving
in
it.
stiffness
mass
properties
structure
main
factors
determining
frequency
responses.
However,
situations
commonly
occur
which
structures
exposed
to
perpetual
loading
conditions.
In
present
study,
a
novel
model
for
investigating
effects
friction
between
substrate
proposed
applied
small-scale
cylindrical
structures.
this
regard,
nanocomposite
materials
made
epoxy
reinforced
by
graphene
oxide
particles
an
axial
direction
used
as
material
cylinder.
classical
formulation
elasticity
anisotropic
polar
coordinate
system
derived
presented.
Moreover,
homogeneous
evaluated
using
Halpin–Tsai
formulation.
core
idea
current
study
develop
new
concept
frictional
incorporate
into
consideration
along
with
visco-elastic
reactions.
Both
finite
element
analytical
solutions
provided
examine
parameters
vibrational
behavior
structure.
results
presented
graphs
detailed
presentation
parameters.
