552 citations · 1k across the 19 of their papers we have counts for
19 papers
A Free Sphere Reverses the Rebound Direction of a Near-Wall Cavitation Bubble
Chun-Zhu Ren, Jun Wen, Hai-Bao Hu +2
A near-wall cavitation bubble is generally expected to acquire a wallward Kelvin-impulse bias and to rebound or jet toward the wall. Here we show that this canonical direction can…
Cavitation-bubble Interaction with an Initially Perturbed Free Surface
Jingyu Gu, Zirui Liu, A-Man Zhang +1
The interaction of a spark-generated cavitation bubble with an initially perturbed free surface is investigated experimentally, numerically, and analytically. By exploiting contact…
A bound-preserving oscillation-eliminating discontinuous Galerkin method with operator splitting for solving Kapila's five-equation model
Jia-Jun Zou, Yu-Chang Liu, Fan Zhang +3
This paper proposes a robust operator-splitting discontinuous Galerkin (DG) framework to overcome the severe stiffness-induced instabilities in simulating compressible two-phase fl…
Acoustic Signatures of Pinch-Off Cavities During Water-Entry
Zirui Liu, Tongtong Ding, Mingyue Kuang +4
This study experimentally, numerically, and theoretically investigates the cavity/bubble dynamics and radiated acoustics during the water entry of a centimeter-scale cylindrical pr…
Supersonic jet dynamics from two-cavitation-bubble interactions: acceleration, tip fragmentation and penetration
Shuai Yan, A-Man Zhang, Tianyuan Zhang +3
This study experimentally and numerically investigates the dynamics of a high-speed liquid jet generated from the interaction of two tandem cavitation bubbles, termed bubble 1 and…
New insights into the cavitation erosion by bubble collapse at moderate stand-off distances
Zhesheng Zhao, Shuai Li, Chengwang Xiong +3
Non-spherical bubble collapses near solid boundaries, generating water hammer pressures and shock waves, were recognized as key mechanisms for cavitation erosion. However, there is…
Extension of the consistent -SPH model for multiphase flows considering the compressibility of different phases
Xiao-Ting Huang, Peng-Nan Sun, Hong-Guan Lyu +2
In hydrodynamic problems involving wave impact on structures, air compressibility is crucial for accurate pressure prediction when an air bubble is entrapped. In this work, the con…
Influence of ambient temperature on cavitation bubble dynamics
Shaocong Pei, A-Man Zhang, Chang Liu +3
We investigate the influence of ambient temperature on the dynamics of spark-generated cavitation bubbles over a broad temperature range of 23 to 90. Increasing te…
Moving mesh FSI approach for VIV simulation based on DG method with AMR technique
Jia-Jun Zou, Yun-Long Liu, Qi Kong +1
Vortex-induced vibration (VIV) remains a fundamental yet computationally challenging problem in computational fluid dynamics (CFD). This study develops a moving mesh Fluid-structur…
An unstructured block-based adaptive mesh refinement approach for explicit discontinuous Galerkin method
Yun-Long Liu, A-Man Zhang, Qi Konga +3
In the present paper, we present an adaptive mesh refinement(AMR) approach designed for the discontinuous Galerkin method for conservation laws. The block-based AMR is adopted to e…
High-order Discontinuous Galerkin solver based on Jacobi polynomial expansion for compressible flows on unstructured meshes
Yu-Xiang Peng, Biao Wang, Peng-Nan Sun +1
Based on the Jacobi polynomial expansion, an arbitrary high-order Discontinuous Galerkin solver for compressible flows on unstructured meshes is proposed in the present work. First…
A theoretical model for compressible bubble dynamics considering phase transition and migration
A-Man Zhang, Shi-Min Li, Run-Ze Xu +3
A novel theoretical model for bubble dynamics is established that simultaneously accounts for the liquid compressibility, phase transition, oscillation, migration, ambient flow fie…
Cavitation bubble dynamics inside a droplet suspended in a different host fluid
Shuai Li, Zhesheng Zhao, A-Man Zhang +1
In this paper, we present a theoretical, experimental, and numerical study of the dynamics of cavitation bubbles inside a droplet suspended in another host fluid. On the theoretica…
Theoretical study on bubble dynamics under hybrid-boundary and multi-bubble conditions using the unified equation
Zhang A-Man, Li Shi-Min, Cui Pu +2
This paper aims to use the unified bubble dynamics equation to investigate bubble behavior in complex scenarios involving hybrid free surface/wall boundaries and interactions betwe…
Transient interactions between bubbles and a high-speed cylinder in underwater launches: An experimental and numerical study
Sai Zhang, Qihang Chen, Chang Liu +2
The underwater launch of high-speed vehicles involves complex bubble-structure interactions, which are not currently well understood. In this study, two small-scale experiments are…
Interactions between a central bubble and a surrounding bubble cluster
A-Man Zhang, Shi-Min Li, Pu Cui +2
The interaction of multiple bubbles is a complex physical problem. A simplified case of multiple bubbles is studied theoretically with a bubble located at the center of a circular…
A unified theory for bubble dynamics
A-Man Zhang, Shi-Min Li, Pu Cui +2
In this work, we established a novel theory for the dynamics of oscillating bubbles such as cavitation bubbles, underwater explosion bubbles, and air bubbles. For the first time, w…
On Nonlocal Cohesive Continuum Mechanics and Cohesive Peridynamic Modeling (CPDM) of Inelastic Fracture
Jing Han, Shaofan Li, Haicheng Yu +2
In this work, we developed a bond-based cohesive peridynamics model (CPDM) and apply it to simulate inelastic fracture by using the meso-scale Xu-Needleman cohesive potential . By…
Modelling large scale airgun-bubble dynamics with highly non-spherical features
Shuai Li, Devaraj van der Meer, A-Man Zhang +2
A thorough understanding of the dynamics of meter-sized airgun-bubbles is very crucial to seabed geophysical exploration. In this study, we use the boundary integral method to inve…