Buckling performance of inner corrugated pressure shells under external hydrostatic pressure

X Zhang, J Sun, R Wu, Y Peng - Ocean Engineering, 2023 - Elsevier
The most fundamental and central component of submarines and deep-sea space stations
is the cylindrical pressure shell. In this paper, a pressure shell with inter corrugated structure …

Fluid-structure interaction of spherical pressure hull implosion in deep-sea pressure: Experimental and numerical investigation

J Zheng, M Zhao - Ocean Engineering, 2024 - Elsevier
Implosion may occur when a hollow pressure structure with geometric imperfections works
in deep-sea environments. Therefore, the implosion phenomenon and failure mechanisms …

Insight into the underwater implosion mechanisms of thin-walled metallic cylindrical shells

S Liu, Z Huang, Y Li - Ocean Engineering, 2023 - Elsevier
Underwater hollow structures are prone to implosion due to high hydrostatic pressure and
structural imperfections. The implosion deformation patterns and induced shock wave …

Hoop and axial plastic buckling modes of submerged cylindrical shells subjected to side-on underwater explosion shock wave

B Nie, H Zhang - Marine Structures, 2022 - Elsevier
Cylindrical shells are widely used in marine structures from small-sized pipes to various
immersed containers and large submarines. Dynamic plastic buckling of the shells could be …

[HTML][HTML] Double ceramic sphere's sympathetic implosions triggered by local impacts

Y Hu, Y Zhao, M Zhao, M Feng - Journal of Ocean Engineering and Science, 2023 - Elsevier
Due to sophistications in experimental studies, the implosions in chain reaction, also named
as sympathetic implosions, demand numerical models to understand the phenomena …

Investigation of dynamic response characteristics of spherical shells subject to forward underwater pulse loads

Z Chen, J Zhang, B Wang, Z Huang, Y Li - Ocean Engineering, 2024 - Elsevier
This paper explores the dynamic response of spherical shells subjected to intensive
underwater shock waves. Both experimental tests and numerical simulations are performed …

Buckling behavior analysis of corrugation reinforced composite pressure shell: Analysis of the influence of corrugation structural parameters

R Wu, J Sun, X Zhang, C Shan - Ocean Engineering, 2024 - Elsevier
Abstract Based on CFRP (Carbon Fiber Reinforced Plastics) cylindrical pressure shell, the
CFRP circumferential corrugation pressure shell is proposed in this study. The structure can …

Collapse behavior of corrugated stiffened pressure shells under external hydrostatic pressure considering actual fabrication imperfections: A reverse modeling …

X Zhang, J Sun, C Shan, M Zhao, Y Peng - Applied Ocean Research, 2024 - Elsevier
The pressure shell is the most critical load-bearing component in submersible vehicles. It is
mainly used to withstand the enormous seawater pressure. In this study, a corrugated …

Development of numerical modelling techniques for composite cylindrical structures under external pressure

JM Sohn, S Hirdaris, J Romanoff, SJ Kim - Journal of Marine Science and …, 2022 - mdpi.com
Submarine hulls are pressure vessels for which excellent structural integrity under
underwater pressure loads is essential. The use of light-weight materials contributes to …

Dynamic instability of reinforced hollow cylinders in a confined underwater environment

NM Bodurtha, S Kishore, CJ Salazar, A Shukla - Thin-Walled Structures, 2023 - Elsevier
An experimental investigation was conducted to understand the collapse mechanisms of
internally ring stiffened aluminum cylinders under uniform hydrostatic loading in a confined …