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Fani Derveni

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Related units (1)

Flexible Structures Laboratory

EPFL
STI
IGM
FLEXLAB

Related publications (6)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

The most severe imperfection governs the buckling strength of pressurized multi-defect hemispherical shells

Pedro Miguel Nunes Pereira de Almeida Reis, Fani Derveni, Dong Yan, Arefeh Abbasi

We perform a probabilistic investigation on the effect of systematically removing imperfections on the buckling behavior of pressurized thin, elastic, hemispherical shells containing a distribution of defects. We employ finite element simulations, which we ...

2025

Comparing the Buckling Strength of Spherical Shells With Dimpled Versus Bumpy Defects

Pedro Miguel Nunes Pereira de Almeida Reis, Fani Derveni, Arefeh Abbasi

We investigate the effect of defect geometry in dictating the sensitivity of the critical buckling conditions of spherical shells under external pressure loading. Specifically, we perform a comparative study between shells containing dimpled (inward) versu ...

ASME2023

Probabilistic buckling of imperfect hemispherical shells containing a distribution of defects

Pedro Miguel Nunes Pereira de Almeida Reis, Fani Derveni, Dong Yan

The buckling of spherical shells is plagued by a strong sensitivity to imperfections. Traditionally, imperfect shells tend to be characterized empirically by the knockdown factor, the ratio between the measured buckling strength and the corresponding class ...

ROYAL SOC2023