output
20132026
most citedMulti-GPU thermal lattice Boltzmann simulations using OpenACC and MPI

66 citations

42 papers

cs.LG2026

LLM-Based Scientific Equation Discovery via Physics-Informed Token-Regularized Policy Optimization

Boxiao Wang, Kai Li, Tianyi Liu +4

Symbolic regression aims to distill mathematical equations from observational data. Recent approaches have successfully leveraged Large Language Models (LLMs) to generate equation…

physics.flu-dyn2024★ 7 cited

Interactions between the near-wall turbulent structures and heavy particles in compressible turbulent boundary layers

Ming Yu, Lihao Zhao, Yibin Du +2

In the present study, we conduct direct numerical simulations to investigate the near-wall dynamics of compressible turbulent boundary layers at the free-stream Mach number of 6 la…

cs.CV2024★ 4 cited

VIPeR: Visual Incremental Place Recognition with Adaptive Mining and Continual Learning

Yuhang Ming, Minyang Xu, Xingrui Yang +5

Visual place recognition (VPR) is an essential component of many autonomous and augmented/virtual reality systems. It enables the systems to robustly localize themselves in large-s…

physics.flu-dyn2024★ 3 cited

A novel Cercignani-Lampis boundary model for discrete velocity methods in predicting rarefied and multi-scale flows

Jianfeng Chen, Sha Liu, Rui Zhang +5

To extend the discrete velocity method (DVM) and unified methods to more realistic boundary conditions, a Cercignani-Lampis (CL) boundary with different momentum and thermal energy…

cs.RO2024★ 18 cited

Benchmarking Neural Radiance Fields for Autonomous Robots: An Overview

Yuhang Ming, Xingrui Yang, Weihan Wang +4

Neural Radiance Fields (NeRF) have emerged as a powerful paradigm for 3D scene representation, offering high-fidelity renderings and reconstructions from a set of sparse and unstru…

physics.flu-dyn2024★ 16 cited

Transport of inertial spherical particles in compressible turbulent boundary layers

Ming Yu, Lihao Zhao, Xianxu Yuan +1

In the present study, we perform direct numerical simulations of compressible turbulent boundary layers at the free stream Mach number of 2 ~ 6 laden with dilute phase of spherical…

physics.flu-dyn2023★ 51 cited

Particle-resolved thermal lattice Boltzmann simulation using OpenACC on multi-GPUs

Ao Xu, Bo-Tao Li

We utilize the Open Accelerator (OpenACC) approach for graphics processing unit (GPU) accelerated particle-resolved thermal lattice Boltzmann (LB) simulation. We adopt the momentum…

cs.CV2023★ 19 cited

SU-Net: Pose estimation network for non-cooperative spacecraft on-orbit

Hu Gao, Zhihui Li, Depeng Dang +2

Spacecraft pose estimation plays a vital role in many on-orbit space missions, such as rendezvous and docking, debris removal, and on-orbit maintenance. At present, space images co…

cs.LG2023★ 12 cited

Reentry Risk and Safety Assessment of Spacecraft Debris Based on Machine Learning

Hu Gao, Zhihui Li, Depeng Dang +2

Uncontrolled spacecraft will disintegrate and generate a large amount of debris in the reentry process, and ablative debris may cause potential risks to the safety of human life an…

physics.flu-dyn2022★ 1 cited

Lattice eddy simulation of turbulent flows

Jinglei Xu, Qi Li, Xianxu Yuan +3

Kolmogorov's (1941) theory of self-similarity implies the universality of small-scale eddies, and holds promise for a universal sub-grid scale model for large eddy simulation. The…

physics.flu-dyn2022★ 66 cited

Multi-GPU thermal lattice Boltzmann simulations using OpenACC and MPI

Ao Xu, Bo-Tao Li

We assess the performance of the hybrid Open Accelerator (OpenACC) and Message Passing Interface (MPI) approach for multi-graphics processing units (GPUs) accelerated thermal latti…

physics.flu-dyn2022★ 6 cited

A gas-surface interaction algorithm for discrete velocity methods in predicting rarefied and multi-scale flows: For Maxwell boundary model

Jianfeng Chen, Sha Liu, Yong Wang +3

The rarefied flow and multi-scale flow are crucial for the aerodynamic design of spacecraft, ultra-low orbital vehicles and plumes. By introducing a discrete velocity space, the di…

physics.flu-dyn2021★ 15 cited

Generalised quasilinear approximations of turbulent channel flow: Part 2. Spanwise scale interactions

Carlos G. Hernandez, Qiang Yang, Yongyun Hwang

Continuing from Part 1 (Hernández \emph{et al.}, \emph{arXiv:2108.12395}, 2021), a generalized quasilinear (GQL) approximation is studied in turbulent channel flow using a flow dec…

physics.flu-dyn2021★ 24 cited

Generalised quasilinear approximations of turbulent channel flow: Part 1. Streamwise nonlinear energy transfer

Carlos G. Hernández, Qiang Yang, Yongyun Hwang

A generalised quasilinear (GQL) approximation (Marston \emph{et al.}, \emph{Phys. Rev. Lett.}, vol. 116, 104502, 2016) is applied to turbulent channel flow at ($R…

physics.flu-dyn2021★ 1 cited

Mechanism of separation hysteresis in curved compression ramp

Wen-Feng Zhou, Yan-Chao Hu, Ming-Zhi Tang +3

A new spatial-related mechanism is proposed to understand separation hysteresis processes in curved compression ramp (CCR) flows discovered recently (Hu et al. Phy. Fluid, 32(11):…

math.NA2021★ 8 cited

A priori subcell limiting approach for the FR/CPR method on unstructured meshes

Guo-Quan Shi, Huajun Zhu, Zhen-Guo Yan

A priori subcell limiting approach is developed for high-order flux reconstruction/correction procedure via reconstruction (FR/CPR) on two-dimensional unstructured quadrilateral me…

math.NA2021★ 9 cited

A priori subcell limiting based on compact nonuniform nonlinear weighted schemes of high-order CPR method for hyperbolic conservation laws

Huajun Zhu, Huayong Liu, Zhen-Guo Yan +2

This paper develops a shock capturing approach for high-order correction procedure via reconstruction (CPR) method with Legendre-Gauss solution points. Shock regions are treated by…

nlin.CD2021★ 17 cited

Accurate predictions of chaotic motion of a free fall disk

Tianzhuang Xu, Jing Li, Zhihui Li +1

It is important to know the accurate trajectory of a free fall object in fluid (such as a spacecraft), whose motion might be chaotic in many cases. However, it is impossible to acc…

physics.flu-dyn2021

Excited state fluid mechanics and mathematical principles of separation and transition

Peng Yue, Jingping Xiao, Ke Xu +4

Transition and separation are difficult but important problems in the field of fluid mechanics. Hitherto, separation and transition problems have not been described accurately in m…

cond-mat.mtrl-sci2020★ 1 cited

Nanomechanical characterization of the fracture toughness of Al/SiC nanolaminates

L. W. Yang, C. R. Mayer, N. Chawla +2

The fracture toughness of Al/SiC nanolaminates with different layer thicknesses (in the range 10 to 100 nm) was measured by means of micropillar splitting and bending of a notched…

physics.app-ph2020

High temperature mechanical properties and microstructure of hard TaSiN coatings

M. A. Monclús, L. Yang, I. López-Cabañas +7

Room and high temperature mechanical properties of reactive magnetron sputtered TaSiN coatings were measured using nanoindentation (between 25C and 500C). Fracture toughness was al…

physics.flu-dyn2020★ 9 cited

Origin of hysteresis in shock wave reflection

Yan-Chao Hu, Zhi-Gong Tang, Yan-Guang Yang +2

We report the mechanism of the hysteresis in the transition between Regular and Mach reflections. A new discovery is that, the hysteresis loop is in fact the projection of a higher…

physics.comp-ph2020★ 45 cited

General synthetic iteration scheme for non-linear gas kinetic simulation of multi-scale rarefied gas flows

Lianhua Zhu, Xingcai Pi, Wei Su +3

The general synthetic iteration scheme (GSIS) is extended to find the steady-state solution of nonlinear gas kinetic equation, removing the long-standing problems of slow convergen…

hep-ph2020★ 42 cited

Highly polarised gamma photons from electron-laser collisions

S. Tang, B. King, H. Hu

We detail a method to produce a GeV-photon source with polarisation purity exceeding and for linear and circular polarisation respectively and with a brilliance of th…