Numerical simulation of manta ray swimming using a smoothed-particle hydrodynamics method and investigation of the vortical structures in the wake

TY Gao, PN Sun, XT Huang, JL Zhao, Y Xu… - Physics of …, 2024 - pubs.aip.org
A three-dimensional smoothed-particle hydrodynamics (SPH) method is used to study the
moving boundary problem of a swimming manta ray, focusing on Eulerian and Lagrangian …

Numerical investigations on bionic propulsion problems using the multi-resolution Delta-plus SPH model

XT Huang, PN Sun, HG Lyu, AM Zhang - European Journal of Mechanics-B …, 2022 - Elsevier
The bionic propulsion has garnered increasing attention in both scientific and industrial
communities of underwater bionic vehicles on account of its higher efficiency, less noise …

Mathematical foundation of Liutex theory

C Liu, Y Yu - Journal of Hydrodynamics, 2022 - Springer
Liutex is a mathematical definition of vortex, which is called the third generation of vortex
definition and identification. This paper introduces the mathematical foundation of the Liutex …

Numerical study of the kinematic and acoustic characteristics of bubble clusters

F Deng, D Zhao, L Zhang, X Shao - Journal of Hydrodynamics, 2023 - Springer
Direct numerical simulations are performed to study single gas/vapor bubble and spherical
bubble clusters containing 13–352 vapor bubbles in compressible flow fields. The numerical …

Omega-Liutex method for the interaction among wave, current and fixed vertical cylinder

B Han, Z Pan, W Zhao, D Wan - Journal of Hydrodynamics, 2023 - Springer
This paper presents a numerical investigation of the interaction among wave, flow and a
fixed cylinder using the naoe-FOAM-SJTU solver, which is a viscous solver for …