A high-order immersed moving boundary method using ghost points and characteristics for acoustics

C Bocquet, C Desjouy, G Gabard - Journal of Theoretical and …, 2024 - World Scientific
Realistic acoustic problems often involve interactions between arbitrary-shaped moving
objects at the interface with a fluid domain. The present work aims at developing numerical …

Investigation of shock wave interactions involving stationary and moving wedges

PK Seshadri, A De - Physics of Fluids, 2020 - pubs.aip.org
The present study investigates the shock wave interactions involving stationary and moving
wedges using a sharp interface immersed boundary method combined with a fifth-order …

Secondary instability of channel-confined transition around dual-circular cylinders in tandem

D Wang, Y Liu, H Li, H Xu - International Journal of Mechanical Sciences, 2021 - Elsevier
The incompressible viscous flows around the dual-circular cylinders in tandem confined in a
plane channel were simulated by direct numerical simulations (DNS) with the Reynolds …

A novel sharp interface immersed boundary framework for viscous flow simulations at arbitrary Mach number involving complex and moving boundaries

PK Seshadri, A De - Computers & Fluids, 2020 - Elsevier
This work presents a robust and efficient sharp interface immersed boundary (IBM)
framework, which is applicable for all-speed flow regimes and is capable of handling …

Investigation of supersonic turbulent flows over a sphere by fully resolved direct numerical simulation

C Mao, T Jin, K Luo, J Fan - Physics of Fluids, 2019 - pubs.aip.org
In this work, a fully resolved direct numerical simulation study of the interaction between
supersonic turbulent flow and inertial particle is carried out. For the compressible flow, an …

Fully resolved simulation of a shockwave interacting with randomly clustered particles via a ghost-cell immersed boundary method

W Xiao, C Mao, T Jin, K Luo, J Fan - Physics of Fluids, 2020 - pubs.aip.org
Fully resolved direct numerical simulations are performed to investigate the interaction
between a planar shockwave and 300 randomly clustered particles. The particle interfaces …

Simulation and scaling analysis of a spherical particle-laden blast wave

Y Ling, S Balachandar - Shock Waves, 2018 - Springer
A spherical particle-laden blast wave, generated by a sudden release of a sphere of
compressed gas–particle mixture, is investigated by numerical simulation. The present …

Direct Numerical Simulation of Tandem-Wing Aerodynamic Interactions at Low Reynolds Number

C Zhao, D Wang, T Yu, H Xu - AIAA Journal, 2024 - arc.aiaa.org
A three-dimensional direct numerical simulation was conducted to investigate the vortex–
wing interactions through two NACA 0012 stationary wings placed in tandem at a low …

Численное моделирование релаксации тела за проходящей ударной волной

ДА Сидоренко, ПС Уткин - Математическое моделирование, 2018 - mathnet.ru
Рассмотрена задача о взаимодействии плоской ударной волны с цилиндрами
различной массы, которые могут двигаться поступательно под действием сил …

Numerical modeling of the relaxation of a body behind the transmitted shock wave

DA Sidorenko, PS Utkin - Mathematical Models and Computer Simulations, 2019 - Springer
The problem about the interaction between a planar shock wave and cylinders of different
mass is considered; the cylinders may move under the action of the pressure forces. This …