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- Peking UniversityCN105 papers
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31 papers · 1 filter
Generative prediction of flow fields around an obstacle using the diffusion model
Jiajun Hu, Zhen Lu, Yue Yang
We propose a geometry-to-flow diffusion model that utilizes obstacle shape as input to predict a flow field around an obstacle. The model is based on a learnable Markov transition…
Self-diffusiophoretic propulsion of a spheroidal particle in a shear-thinning fluid
Guangpu Zhu, Brandon van Gogh, Lailai Zhu +2
Shear-thinning viscosity is a non-Newtonian behaviour that active particles often encounter in biological fluids such as blood and mucus. The fundamental question of how this ubiqu…
Weaving classical turbulence with quantum skeleton
Weiyu Shen, Jie Yao, Yue Yang
Matter entanglement is a common chaotic structure in both quantum and classical systems. Turbulence can be pictured as a tangle of vortex filaments in superfluids and viscous vorti…
Analytic solution for pulse wave propagation in flexible tubes with application to patient-specific arterial tree
Peishuo Wu, Chi Zhu
In this paper, we present an analytic solution for pulse wave propagation in a flexible arterial model with tapering, physiological boundary conditions and variable wall properties…
Non-Hermitian topological wall modes in rotating Rayleigh-Benard convection
Furu Zhang, Jin-Han Xie
We show that the rotating Rayleigh-Benard convection, where a rotating fluid is heated from below, exhibits non-Hermitian topological states. Recently, Favier and Knobloch (JFM 202…
A symmetry-based theory for the mean velocity profiles of turbulent boundary layers subjected to pressure gradient and historical turbulence effects
Tan-Tan Du, Jun Chen, Wei-Tao Bi +1
The pressure gradient has a significant influence on the mean-flow properties of turbulent boundary layers. Conventional analytical studies on PG turbulent boundary layers are cond…