Postbuckling of multilayer cylindrical and spherical shell panels reinforced with graphene platelet by isogeometric analysis
Sign Up to like & getrecommendations! Published in 2021 at "Engineering With Computers"
DOI: 10.1007/s00366-021-01360-4
Abstract: The present work fills a gap on the postbuckling behavior of multilayer functionally graded graphene platelet reinforced composite (FG-GPLRC) cylindrical and spherical shell panels resting on elastic foundations subjected to central pinching forces and pressure… read more here.
Keywords: cylindrical spherical; graphene platelet; shell; spherical shell ... See more keywords
General three-dimensional scattering and dynamic stress concentration of Lamb-like waves in a spherical shell with a spherical inclusion
Sign Up to like & getrecommendations! Published in 2017 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-017-1240-2
Abstract: Three-dimensional scattering and dynamic stress concentration of Lamb-like waves around a spherical inclusion (inhomogeneity and a cavity) in a thick spherical shell are investigated theoretically and numerically. Two spherical coordinates, located at the spherical shell… read more here.
Keywords: three dimensional; inclusion; dimensional scattering; spherical shell ... See more keywords
Autofrettage and shakedown analyses of an internally pressurized thick-walled spherical shell based on two strain gradient plasticity solutions
Sign Up to like & getrecommendations! Published in 2017 at "Acta Mechanica"
DOI: 10.1007/s00707-016-1695-1
Abstract: An autofrettage analysis of an internally pressurized thick-walled spherical shell is performed by using two closed-form solutions for an elastic linear-hardening shell and an elastic power-law hardening shell based on a strain gradient plasticity theory,… read more here.
Keywords: strain gradient; thick walled; walled spherical; spherical shell ... See more keywords
Influence of Flexible Coating on the Limit Equilibrium of a Spherical Shell with Meridional Crack
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DOI: 10.1007/s11003-020-00329-w
Abstract: We study the problem of tension of a spherical shell reinforced by a flexible coating and weakened by a meridional crack. The coating is modeled by a hinge connecting the faces of the cut on… read more here.
Keywords: flexible coating; coating; spherical shell; shell ... See more keywords
The radially inhomogeneous isotropic elastic equal thickness spherical shell
Sign Up to like & getrecommendations! Published in 2018 at "Composites Part B: Engineering"
DOI: 10.1016/j.compositesb.2018.08.098
Abstract: Abstract The axisymmetric elastostatic problem with axisymmetric geometry and loading is analyzed for a radially inhomogeneous equal thickness spherical shell, in linear elasticity. Considering that the stress field, the displacement field and the stiffness matrix… read more here.
Keywords: thickness spherical; radially inhomogeneous; spherical shell; equal thickness ... See more keywords
Nonlinear vibration analysis of CFRP spherical shell panel under hygrothermal effects
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DOI: 10.1016/j.compstruct.2021.114343
Abstract: Abstract Based on the nonlinear static stability analysis, this paper establishes the governing equations of the nonlinear dynamic stability of a spherical shell panel of carbon fiber-reinforced polymer (CFRP) under the hygrothermal effects; the Galerkin… read more here.
Keywords: shell panel; spherical shell; vibration; hygrothermal effects ... See more keywords
Buckling and strength of an externally pressurized spherical shell with reinforced opening
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Pressure Vessels and Piping"
DOI: 10.1016/j.ijpvp.2018.05.010
Abstract: Abstract This paper focuses on two opening reinforcement methods of spherical shells under uniform external pressure. To reduce the local weakening and buckling effects of openings in spherical shells, designs comprising the wall reinforcement and… read more here.
Keywords: strength externally; spherical shells; spherical shell; externally pressurized ... See more keywords
Energy barrier as a criterion for stability estimation of spherical shell under uniform external pressure
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2017.04.026
Abstract: Abstract Energy perturbation is applied as a measure in the stability analysis of a spherical shell subjected to uniform external pressure. The energy barrier (buckling energy) is calculated using asymptotic method, which allows to estimate… read more here.
Keywords: energy barrier; energy; uniform external; spherical shell ... See more keywords
Geometry induced phase transitions in magnetic spherical shell
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2017.07.036
Abstract: Abstract Equilibrium magnetization states in spherical shells of a magnetically soft ferromagnet form two out-of-surface vortices with codirectionally magnetized vortex cores at the sphere poles: (i) a whirligig state with the in-surface magnetization oriented along… read more here.
Keywords: induced phase; geometry induced; geometry; spherical shell ... See more keywords
Deformation and failure of thin spherical shells under dynamic impact loading: Experiment and analytical model
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DOI: 10.1016/j.tws.2020.107403
Abstract: Abstract Thin curved shells are widely used in engineering. A shallow spherical shell is an effective representation of a curved shell affected by local impact loading. Therefore, the dynamic response of spherical shells under impact… read more here.
Keywords: shell; spherical shell; deformation; model ... See more keywords
The relativistic spherical δ -shell interaction in R 3 : Spectrum and approximation
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DOI: 10.1063/1.5000381
Abstract: This note revolves on the free Dirac operator in R 3 and its δ -shell interaction with electrostatic potentials supported on a sphere. On one hand, we characterize the eigenstates of those couplings by finding… read more here.
Keywords: approximation; relativistic spherical; spherical shell; shell ... See more keywords