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Buckling Thresholds for Pre-Loaded Spherical Shells Subject to Localized Blasts
- EngineeringJournal of Applied Mechanics
- 2019
This paper investigates the robustness against localized impacts of elastic spherical shells pre-loaded under uniform external pressure. We subjected a pre-loaded spherical shell that is clamped at…
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- EngineeringProceedings of the Royal Society A
- 2019
Damping plays an important role in dynamic buckling because of the time-dependent nonlinear interaction among modes, particularly the interaction between the spherically symmetric ‘breathing' mode and the buckling mode.
Incomplete reduced stiffness method for imperfection sensitivity of cylindrical shells
- Engineering
- 2020
Nondestructive Prediction of the Buckling Load of Imperfect Shells.
- EngineeringPhysical review letters
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This study introduces a nonlinear description where finite-amplitude perturbations trigger buckling and provides a new promising framework to understand shell buckling, and more generally, imperfection-sensitive instabilities.
On the imperfection sensitivity and design of spherical domes under external pressure
- Engineering
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Buckling Analyses of Spherical Shells by the Finite Element Method Based on the Willis-Form Equations
- EngineeringInternational Journal of Applied Mechanics
- 2019
Buckling analysis of spherical shells under external pressure is a crucial problem in mechanical and aerospace engineering and the buckling loads obtained by classical methods are shown to be underestimated.
Buckling of pressurized spherical shells containing a through-thickness defect
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Delayed buckling of spherical shells due to viscoelastic knockdown of the critical load
- EngineeringProceedings of the Royal Society A
- 2021
We performed dynamic pressure buckling experiments on defect-seeded spherical shells made of a common silicone elastomer. Unlike in quasi-static experiments, shells buckled at ostensibly subcritical…
Buckling of a pressurized hemispherical shell subjected to a probing force
- Engineering, Materials Science
- 2017
We study the buckling of hemispherical elastic shells subjected to the combined effect of pressure loading and a probing force. We perform an experimental investigation using thin shells of nearly…
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