Investigation of hydrodynamics of water impact and tail slamming of high-speed water entry with a novel immersed boundary method

WT Liu, AM Zhang, XH Miao, FR Ming… - Journal of Fluid …, 2023 - cambridge.org
High-speed water entry is a transient hydrodynamic process that is accompanied by strongly
compressible flow, free surface splash, cavity evolution and other nonlinear hydrodynamic …

Vertical water entry of a hydrophobic sphere into waves: Numerical computations and experiments

C Zhao, Q Wang, H Lu, H Liu - Physics of Fluids, 2023 - pubs.aip.org
The water entry cavity evolution and its flow structures for a sphere interacting with periodic
waves are investigated numerically and experimentally. The large eddy simulation is …

Numerical study on the water-entry of asynchronous parallel projectiles at a high vertical entry speed

L Lu, X Yan, Q Li, C Wang, K Shen - Ocean Engineering, 2022 - Elsevier
This study investigates the water-entry characteristics of asynchronous parallel projectiles
with vertical entry speeds of 400 m/s for four different water-entry intervals numerically …

Cavity dynamics in the oblique water entry of a cylinder at constant velocity

Y Hong, Z Zhao, Z Gong, H Liu - Physics of Fluids, 2022 - pubs.aip.org
Transient cavity dynamics in the oblique water entry of a cylinder at a constant velocity is
investigated. The drag force exerted on the cylinder is measured by a force sensor, and the …

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 …

[HTML][HTML] Experimental study on the trajectory of projectile water entry with asymmetric nose shape

Y Shi, Y Hua, G Pan - Physics of Fluids, 2020 - pubs.aip.org
In this study, we investigated the water entry trajectory characteristics of a projectile with an
asymmetric nose shape at different initial impact velocities and impact angles …

Dynamic characteristics of water entry under the effect of floating ice and an independent distance model of floating ice

X Hu, Y Wei, C Wang - International Journal of Mechanical Sciences, 2023 - Elsevier
An ice-constrained environment significantly affects the water entry of projectiles. In this
paper, cavity evolution in the presence of floating ice is studied. The numerical method is …

Numerical investigation of the influence of surface wettability on water entry of spheres

C Guo, Y Wu, Y Han, M Ji, Y Wang, Y Kuai - Physics of Fluids, 2023 - pubs.aip.org
The water-entry problem is a complex multiphase hydrodynamic problem that is directly
related to many engineering applications and natural phenomena, such as torpedo airdrops …

Study on water entry characteristics of the projectile colliding with the floating ice based on fluid-structure interaction method: Dynamic response and energy …

X Hu, Y Wei, C Wang - Energy, 2023 - Elsevier
This study investigates the water entry process of the collision between the ocean detector
and the floating ice in polar environments, which is crucial for detecting polar ocean energy …

[HTML][HTML] Numerical investigation of water-entry characteristics of high-speed parallel projectiles

L Lu, C Wang, Q Li, PK Sahoo - … Journal of Naval Architecture and Ocean …, 2021 - Elsevier
In this study, an attempt has been made to investigate the water-entry characteristics of the
high-speed parallel projectile numerically. The shear stress transport k-ω turbulence model …