Waves in Random and Complex Media,
Год журнала:
2021,
Номер
34(3), С. 1835 - 1858
Опубликована: Июль 6, 2021
This
is
the
first
research
on
smart
control
and
frequency
analysis
of
a
cylindrical
sandwich
nanoshell
in
framework
numerical-based
generalized
differential
quadrature
method
(2D-GDQM).
The
current
nanostructure
made
honeycomb
core
piezoelectric
face
sheets
as
sensor
actuator
(PFSA).
For
modeling
size-dependent
nanoshell,
nonlocal
stress-strain
gradient
theory
(NSGT)
presented.
Also,
this
under
conveying
viscous
fluid,
related
force
calculated
by
modified
formulation
Navier–Stokes.
structure
rotates
around
its
axial
direction.
stresses
strains
are
obtained
using
higher-order
shear
deformation
(HSDT).
external
voltage
applied
to
layer,
Proportional-Derivative
(PD)
controller
used
for
output
control.
Governing
equations
boundary
conditions
implementing
Hamilton's
principle.
results
show
that
geometry
core,
PD
controller,
velocity
fluid
flow,
length
radius
ratio
(L/R),
have
significant
influence
characteristics
nanoshell.
Another
important
consequence
applying
leads
an
increase
critical
flow
nanostructure.
Case Studies in Thermal Engineering,
Год журнала:
2024,
Номер
54, С. 104049 - 104049
Опубликована: Янв. 20, 2024
Many
researchers
have
used
the
homotopy
perturbation
method
(HPM)
but
with
different
strategies,
and
this
paper
aims
to
present
a
general
of
HPM
make
more
straightforward
use
for
future
studies.
itself
has
lot
potential.
By
making
it
general,
makes
even
useable
than
before
gives
potential
applications.
This
warrantyable
works.
is
strong
technique
investigating
both
linear
nonlinear
differential
equations.
SymPy,
Python
library,
was
also
implement
solve
problems
allegorically.
Three
issues
were
addressed:
Convection
radiation
combining
cool
lumped
system,
purely
convective
rectangular
fin,
Laplace
equation
heat
transfer.
The
produced
superior
outcomes
compared
numerical
analytical
methods.
At
last,
SymPy's
accomplishment
been
described,
each
three
researched
problems,
complete
implementing
using
presented.
It
shown
that
mathematical
covers
limitations
classical
approach
can
be
generally
in
physics
engineering
subjects.
