Numerical investigations on the large deformation behaviour of ring stiffened cylindrical shell subjected to underwater explosion

RPS Praba, K Ramajeyathilagam - Applied Ocean Research, 2020 - Elsevier
Ring stiffened cylindrical shells find wide applications in marine vehicles such as
submersibles, submarine, autonomous underwater vehicles (AUV) and torpedoes. The …

A collaborative grading optimization method of rib-reinforced ultra-thick composite pressure hull

Y Gao, J Gao, X Song, H Ding, H Wang - Ocean Engineering, 2023 - Elsevier
With the service environment of underwater vehicles gradually moving to the deep sea, the
high load-bearing requirements lead to an increase in the thickness of the composite …

Transient fluid–solid interaction with the improved penalty immersed boundary method

ZL Tian, AM Zhang, YL Liu, SP Wang - Ocean Engineering, 2021 - Elsevier
In the present paper, the penalty immersed boundary method is improved to resolve the
transient fluid–solid interaction problems. The Eulerian finite-element method is chosen as …

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 …

Experimental study of the motion characteristics of a bubble near a flexible structure with an attached air bubble

J Wang, X Wen, K Liu, M Jiang, Z Wang - Ocean Engineering, 2021 - Elsevier
The strong coupling effect between an air bubble attached to a flexible plate and a nearby
spark-generated bubble is investigated experimentally while also considering the structural …

Predicting the near field underwater explosion response of coated composite cylinders using multiscale simulations, experiments, and machine learning

S Nayak, GA Lyngdoh, A Shukla, S Das - Composite Structures, 2022 - Elsevier
Prediction of underwater explosion response of coated composite cylinders using machine
learning (ML) requires a large, consistent, accurate, and representative dataset. However …

Thermo-mechanical transient flexure of glass-carbon-kevlar-reinforced hybrid curved composite shell panels: An experimental verification

P Sahu, N Sharma, HC Dewangan… - International Journal of …, 2022 - World Scientific
The time-dependent deflection values of the flat/curved hybrid fibre (Glass–Carbon–Kevlar)-
reinforced composite panels under the influence of the mechanical loading (UDL and SDL) …

Microstructural damage and response of stiffened composite submersible pressure hull subjected to underwater explosion

RP Surya Praba… - Ships and Offshore …, 2023 - Taylor & Francis
Submerged structures in naval applications are susceptible to underwater explosion and
predicting the transient response and damage is a prime concern for the designer. Coupled …

Hierarchical lattice stiffened cylindrical shell: Design, high-order vibration theory and composite parameter identification

L Zhang, W He, S Zhu, C Lai, Y Tao, H Zhu, M Li… - Composite …, 2024 - Elsevier
A carbon fiber reinforced hierarchical lattice stiffened cylindrical shell (HLSCS) was
designed and manufactured. Introducing effects of bending and coupling stiffness caused by …

Experimental verification of multi-fibre hybridization influence on dynamic deflection and stress values of curved composite panel

P Sahu, N Sharma, HC Dewangan… - Proceedings of the …, 2021 - journals.sagepub.com
The finite-element time-dependent deflection and stress responses of the shallow composite
panels subjected to variable mechanical loadings (uniformly distributed load and …