Overview of research progress on numerical simulation methods for turbulent flows around underwater vehicles

K He, Z Pan, W Zhao, J Wang, D Wan - Journal of Marine Science and …, 2024 - Springer
In this paper, we present an overview of numerical simulation methods for the flow around
typical underwater vehicles at high Reynolds numbers, which highlights the dominant flow …

Modeling and experiments on the vibro-acoustic analysis of ring stiffened cylindrical shells with internal bulkheads: A comparative study

C Gao, J Xu, F Pang, H Li, K Wang - Engineering Analysis with Boundary …, 2024 - Elsevier
The vibro-acoustic response of ring stiffened cylindrical shells with internal bulkheads under
forced excitation is presented. The numerical analysis model is established using the Jacobi …

Research on dynamic vibration absorber with negative stiffness for controlling longitudinal vibration of propulsion shafting system

Z Su, Z Zheng, X Huang, H Hua - Ocean Engineering, 2022 - Elsevier
This paper presents a dynamic vibration absorber with negative stiffness (DVANS) in
controlling the first longitudinal mode of the propulsion shafting system. The dynamic …

Excitation force on a pump-jet propeller: The effect of the blade number

Y Zhang, J Han, B Huang, D Zhang, D Wu - Ocean Engineering, 2023 - Elsevier
This study investigates the influence of blade number on the propulsion performance and
excitation force of pump-jet propellers (PJPs) using computational fluid dynamics. The …

Application of a dynamic vibration absorber with negative stiffness for control of a marine shafting system

X Huang, Z Su, H Hua - Ocean Engineering, 2018 - Elsevier
A dynamic vibration absorber (DVA) with negative stiffness is proposed to suppress the
longitudinal vibration transmission along a marine shafting system. Stiffness models of the …

Influence of propulsion shafting longitudinal vibration on the excitation force and vortex dynamics characteristics of pump-jet propulsor

D Zou, L Xue, Q Lin, J Xu, X Dong, N Ta, Z Rao - Ocean Engineering, 2024 - Elsevier
Pump-jet propulsors are inevitably affected by shafting vibrations in actual operating
conditions, especially the longitudinal bearing force, which is the main inducing factor of hull …

Structural vibration and acoustic radiation of coupled propeller-shafting and submarine hull system due to propeller forces

Y Qu, J Su, H Hua, G Meng - Journal of Sound and Vibration, 2017 - Elsevier
This paper investigates the structural and acoustic responses of a coupled propeller-shafting
and submarine pressure hull system under different propeller force excitations. The entire …

Experimental and analytical investigations on vibro-acoustic characteristics of a submerged submarine hull coupled with multiple inner substructures

W Jia, M Chen, K **e, W Dong - Ocean Engineering, 2022 - Elsevier
Inner substructures, which can be generally compartmentalized into axisymmetric and non-
axisymmetric ones, are believed to significantly affect the vibro-acoustic characteristics of …

Experimental and numerical investigations on the flow-induced vibration and acoustic radiation of a pump-jet propulsor model in a water tunnel

S Shi, W Tang, X Huang, X Dong, H Hua - Ocean Engineering, 2022 - Elsevier
Experimentally investigating the vibration characteristics of a pump-jet propulsor in water is
challenging. In this study, the characteristics of flow-induced vibration and acoustic radiation …

Reduction of vibration and noise radiation of an underwater vehicle due to propeller forces using periodically layered isolators

Y Song, J Wen, D Yu, Y Liu, X Wen - Journal of Sound and vibration, 2014 - Elsevier
Using periodic structure theory, the suppression of vibration and noise radiation from an
underwater vehicle due to excitation from propeller forces is investigated. The underwater …