Dynamic analysis of spinning hollow parabolic shaft-rotor with axially function graded materials
A. Aziz Saim,
Abdelkrim Boukhalfa
Mechanics Based Design of Structures and Machines,
Год журнала:
2025,
Номер
unknown, С. 1 - 26
Опубликована: Апрель 19, 2025
Язык: Английский
Combined effect of mass and two-parameter elastic foundation on the free vibration characteristics of laminated composite plates using a FSDT- based finite element method
Journal of Vibration Engineering & Technologies,
Год журнала:
2025,
Номер
13(5)
Опубликована: Май 6, 2025
Язык: Английский
Finite element static analysis of functionally graded sandwich beams with porous core resting on a two-parameter elastic foundation based on quasi-3D theory
Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 29, 2024
This
paper
presents
for
the
first
time
an
investigation
into
static
characteristics
of
FG
sandwich
beams
with
porous
ceramic
core
and
resting
on
a
two-parameter
Winkler-Pasternak
elastic
foundation
using
new
three-node
higher-order
finite
element
model
five
degrees-of-freedom
per
node
based
quasi-3D
deformation
theory,
that
accounts
both
effects
transverse
shear
normal
deformations.
The
are
subjected
to
uniformly
distributed
loads,
their
material
properties
vary
gradually
through
thickness
according
power-law
distribution.
governing
equation
motion
is
derived
from
Lagrange’s
equations.
Uniform,
symmetric,
asymmetric
porosity
patterns
considered.
accuracy
proposed
verified
comparisons
existing
results.
A
comprehensive
parametric
study
carried
out
explore
various
parameters
such
as
boundary
conditions,
skin-to-core
ratio,
index,
slenderness,
porosity,
displacements
stresses
beams.
Benchmark
results
presented
in
this
can
serve
reference
future
research
endeavors
cores.
Язык: Английский
On the Development of a Modified Timoshenko Beam Element for the Bending Analysis of Functionally Graded Beams
Mathematics,
Год журнала:
2024,
Номер
13(1), С. 73 - 73
Опубликована: Дек. 28, 2024
This
study
examines
the
static
bending
behavior
of
functionally
graded
beams
using
a
newly
developed
modified
Timoshenko
beam
element.
The
mixed
finite
element
formulation
and
theory
serve
as
foundation
for
proposed
There
are
two
nodes
degrees
freedom
in
each
node
new
suggested
is
free
shear
locking,
without
need
reduced
or
selective
integrations,
because
formulation.
Comparative
results
demonstrate
high
accuracy
computations,
even
with
both
regular
irregular
meshes,
well
coarse
fine
discretization.
Because
its
rapid
convergence
rate,
an
excellent
tool
analyzing
structures
complex
geometries
load
conditions.
Several
examples
provided
to
Additionally,
effects
various
parameters,
such
power-law
index
thickness-to-length
ratio,
on
investigated.
findings
highlight
robustness
versatility
element,
which
makes
it
useful
contribution
research
into
computational
mechanics
structures.
Язык: Английский