Experimental and numerical studies on the buckling of the hemispherical shells made of maraging steel subjected to extremely high external pressure

J Zhang, Y Zhang, F Wang, YM Zhu, WC Cui… - International Journal of …, 2019 - Elsevier
This work is devoted to the nonlinear buckling of the hemispherical shells subjected to
extremely high external pressure. The shells are made of maraging steel with yield strength …

Elastic–plastic buckling of externally pressurised hemispherical heads

Y Zhu, Y Zhang, X Zhao, J Zhang… - Ships and Offshore …, 2019 - Taylor & Francis
In the presented paper elastic–plastic buckling of hemispherical heads under external
pressure was studied. Five laboratory-scale models with nominal diameter= 120 mm and …

Deep-sea implosion of spherical pressure shell considering geometric imperfection

FJ Yang, YL Liu, J Wang, BJ Wang, J Guo - Ocean Engineering, 2024 - Elsevier
Deep-sea pressure shells are at risk of implosion, making the study of implosion load
characteristics crucial. This study utilizes the CEL numerical method to develop an implosion …

Design and Manufacturing Process of a New Type of Deep-Sea Spherical Pressure Hull Structure

Y Jing, C Kong, J Guan, W Zhao, AB Fukuchi, X Zhao - Designs, 2023 - mdpi.com
Spherical shell structures are the most suitable shape for deep-sea pressure hulls because
they have ideal mechanical properties for handling symmetrical pressure. However, the …

Structural Reinforcement of viewports in spherical pressure hull for manned submersibles

B Pranesh, D Sathianarayanan… - Marine Technology …, 2014 - ingentaconnect.com
Manned submersibles are underwater vehicles. These vehicles are equipped with an
atmospheric pressure casing called a spherical pressure hull, which can accommodate up …

[PDF][PDF] Design and Manufacturing Process of a New Type of Deep-Sea Spherical Pressure Hull Structure. Designs 2023, 7, 12

Y Jing, C Kong, J Guan, W Zhao, AB Fukuchi, X Zhao - 2023 - academia.edu
Spherical shell structures are the most suitable shape for deep-sea pressure hulls because
they have ideal mechanical properties for handling symmetrical pressure. However, the …

On the design standard for the full ocean depth manned cabin fabricated in nickel maraging steel

Q Du, W Cui - OCEANS 2016-Shanghai, 2016 - ieeexplore.ieee.org
Manned cabin is the most important component of the human occupied vehicle (HOV). Its
safety will directly lead to the normal operation of the submersible and crew's life. The …

Design Considerations for Deep-Ocean Scientific Robotic Vehicles

N Vedachalam, GA Ramadass - Marine Technology Society …, 2021 - ingentaconnect.com
Oceans cover 72% of the Earth's surface, house immense living and non-living resources,
and play a key role in regulating the planet's climate. Robotic vehicles are essential for …

Structural Analysis for Spherical Pressure Hull of Deep Manned Submersible

H Lee, SW Park, JK Lee - Korean Journal of Computational Design …, 2015 - koreascience.kr
This paper presents the results of the structural analysis and the optimization of a 6,500 m
manned submersible. Nonlinear structural analysis for imperfect spheres with the maximum …

심해유인잠수정구형내압선체의구조해석

이한민, 박성환, 이재경 - 한국CDE 학회논문집, 2015 - dbpia.co.kr
This paper presents the results of the structural analysis and the optimization of a 6,500 m
manned submersible. Nonlinear structural analysis for imperfect spheres with the maximum …