Characteristics of cavity dynamics, forces, and trajectories on vertical water entries with two spheres side-by-side

X Lyu, X Wang, C Qi, R Sun - Physics of Fluids, 2023 - pubs.aip.org
In the present work, a three-dimensional numerical model with six-degrees-of-freedom is
adopted to carry out the investigation of twin water entries with two spheres side-by-side …

A comprehensive review study on multiphase analysis of water entry bodies

BS Prasad, GRK Sastry, HN Das - Ocean Engineering, 2024 - Elsevier
Water entry bodies are one of the predominating sections in fluid dynamics. The study of
physics plays a vital role in understanding the forces, moments, and shape of the cavity …

An experimental study of the water entry trajectories of truncated cone projectiles: The influence of nose parameters

YT Sui, S Li, FR Ming, A Zhang - Physics of Fluids, 2022 - pubs.aip.org
We report on an experimental study of the trajectories of truncated cone projectiles on water
entry. The water entry trajectory stability is of great significance to the motion control of …

Multi-GPU multi-resolution SPH framework towards massive hydrodynamics simulations and its applications in high-speed water entry

ZX Zhao, G Bilotta, QE Yuan, ZX Gong, H Liu - Journal of Computational …, 2023 - Elsevier
We propose a multi-phase, multi-resolution SPH method for fluid/solid interaction with multi-
GPU implementation and dynamic load balancing following the movement of the refinement …

Influences of floating ice on the vertical water entry process of a trans-media projectile at high speeds

H Wang, Z Huang, D Huang, Y Hou, Z Chen, Z Guo… - Ocean …, 2022 - Elsevier
It is of great significance to study the hydrodynamic process of trans-media projectiles
passing through ice-water mixture at high speeds for the application of weapons in low …

Experimental study on ballistic stability of truncated cone projectile in high-speed oblique water entry

G Zhao, T Chen, Z Guo, W Zhang - Ocean Engineering, 2023 - Elsevier
In this paper, the high-speed photography technique was used to study the high-speed
oblique water entry of truncated cone projectiles, and the effects of nose shape, projectile …

Study on the effect of cavity oscillation on wedge water entry with a multiphase smoothed particle hydrodynamics model

XY Ju, YM Shen, WK Shi, PN Sun, H Tang - Physics of Fluids, 2023 - pubs.aip.org
Previous Smoothed Particle Hydrodynamics (SPH) study on water entry issues has primarily
been conducted for the load analysis of impact phase rather than the cavity oscillation effect …

Asymmetric flow action on hydrodynamics and structural dynamics for high-speed oblique water entry of the semi-sealed cylindrical shell

S **a, Y Wei, C Wang, W Cao - Applied Ocean Research, 2023 - Elsevier
To study the hydrodynamics and structural characteristics, numerical simulation of the
oblique water-entry process of the semi-sealed and completely sealed cylindrical shell is …

Numerical study on the dynamic characteristics of a vehicle with a multistage load reduction structure during oblique water entry

Z Fu, L Sun, M Zhi, P Wang, D Wang - Ocean Engineering, 2024 - Elsevier
The sustained impact load on vehicle entering the water obliquely at high speed can cause
structural damage and complex ballistic characteristics. In this paper, a multi-stage load …

Coupling dynamic characteristics of high-speed water-entry projectile and ice sheet

W Cui, D Kong, T Sun, G Yan - Ocean Engineering, 2023 - Elsevier
An ice sheet on the water surface will affect the water-entry process dynamic characteristics.
Therefore, studying the process of high-speed projectiles passing through the ice sheet and …