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The Effect of Porosity on Elastic Stability of Toroidal Shell Segments Made of Saturated Porous Functionally Graded Materials. [PDF]

open access: yesJ Press Vessel Technol, 2021
Abstract This research deals with the stability analysis of shallow segments of the toroidal shell made of saturated porous functionally graded (FG) material. The nonhomogeneous material properties of porous shell are assumed to be functionally graded as a function of the thickness and porosity parameters.
Babaei H, Jabbari M, Eslami MR.
europepmc   +3 more sources

Chiral Morphing of Liquid Crystal Polymer Networks. [PDF]

open access: yesAdv Sci (Weinh)
This paper reviews how macroscopic chirality spontaneously arises from liquid crystal polymer materials. It describes how alignment is utilized to create the mechanical anisotropy, geometric misorientation and asymmetry that leads to chiral shape morphing, how shape selection between helicoids and helices arises, the techniques used to prepare these ...
de Haan LT.
europepmc   +2 more sources

Buckling of Segments of Toroidal Shells [PDF]

open access: yesAIAA Journal, 1965
Equilibrium nonlinear differential and buckling equations for segments of toroidal shallow shells near equator and ...
MANUEL STEIN, JOHN A. McELMAN
openaire   +2 more sources

Influences of porosity and tangential edge constraint on thermo-torsional postbuckling of FGM toroidal shell segments surrounded by an elastic medium

open access: yesArchives of Mechanics, 2023
For the first time, simultaneous influences of porosities, tangential constraints of boundary edges, surrounding elastic media and elevated temperature on the buckling and postbuckling behaviors of a functionally graded toroidal shell segment are ...
L.T. Nhu Trang, H. Van Tung
doaj   +1 more source

Nonlinear postbuckling behavior of auxetic-core toroidal shell segments with Graphene reinforced face sheets under axial loads

open access: yesArchives of Mechanics, 2022
The main aim of this paper is to provide an analytical approach for the nonlinear buckling behaviors of toroidal shell segments made by three layers included honeycomb auxetic-core and two Graphene reinforced face sheets under axial compressive or ...
V.H. Nam   +4 more
doaj   +1 more source

Perturbation Procedures in the Dynamic Analysis of a Toroidal Shell Segment Pressurized by a Step Load [PDF]

open access: yesAmerican Journal of Mathematical and Computer Modelling, 2020
This paper uses perturbation techniques in asymptotic procedures to determine the normal displacement, the associated Airy stress function and the dynamic buckling load of an imperfect, finite toroidal shell segment pressurized by a step load.
Anthony Monday Ette   +3 more
openaire   +1 more source

ON THE CLASSICAL BUCKLING LOAD OF A TOROIDAL SHELL SEGMENT

open access: yesFar East Journal of Mathematical Sciences (FJMS), 2020
This paper discusses the classical buckling load, the associated normal displacement and Airy stress function of a finite toroidal shell segment. Perturbation technique is adopted. The same procedure and asymptotic technique can be used to analyze the deformation of a finite toroidal shell segment under various loading conditions.
null A. M. Ette   +3 more
openaire   +1 more source

Free in-plane and out-of-plane vibrations of rotating thin ring based on the toroidal shell theory

open access: yesArchives of Mechanics, 2018
In this paper rigorous formulae for natural frequencies of in-plane and out-of-plane free vibrations of a rotating ring are derived. An in-plane vibration mode of the ring is characterised by coupled flexural and extensional deformations, whereas an out ...
I. Senjanović   +4 more
doaj   +1 more source

Nonlinear buckling of CNT-reinforced composite toroidal shell segment surrounded by an elastic medium and subjected to uniform external pressure

open access: yesVietnam Journal of Mechanics, 2018
Buckling and postbuckling behaviors of Toroidal Shell Segment (TSS) reinforced by single-walled carbon nanotubes (SWCNT), surrounded by an elastic medium and subjected to uniform external pressure are investigated in this paper.
Hoang Van Tung, Pham Thanh Hieu
doaj   +1 more source

SUPPORT FOR VIBRATION ISOLATION OF THE TECHNOLOGICAL EQUIPMENT

open access: yesВестник СибАДИ, 2019
Introduction. The most urgent tasks of road construction is to improve the sustainability of the roadway, on which the durability of the road surface largely depends and vibration processes are widely used.
V. N. Sorokin, I. Yu. Efimov
doaj   +1 more source

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