Posts by Collection

CFD simulation and analysis of smoke dispersion in a subway fire (地铁站台火灾烟气扩散模拟与分析)

Published in Acta Scientiarum Naturalium Universitatis Sunyatseni (中山大学学报(自然科学版)), 2019

To investigate the flow regularity of smoke in the subway station, Fire Dynamics Simulator is used to study the fire smoke spread in the Higher Education Mega Center North Station. Read more

Recommended citation: Chen, K., Xie, J., & Yao, Q. (2019). CFD simulation and analysis of smoke dispersion in a subway fire (in Chinese). Acta Scientiarum Naturalium Universitatis Sunyatseni, 58(2), 15-22. https://doi.org/10.13471/j.cnki.acta.snus.2019.02.003.

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Numerical simulation of the fire emergency evacuation for a metro platform accident

Published in SIMULATION, 2020

A coupled analysis of agent behavior and Computational Fluid Dynamics (CFD) model is applied to investigate the fire evacuation effectiveness in a popular metro station in Guangzhou, China. Read more

Recommended citation: Xie, J., Chen, K., Kwan, T. H., & Yao, Q. (2020). Numerical simulation of the fire emergency evacuation for a metro platform accident. SIMULATION, 97(1), 19-32. https://doi.org/10.1177/0037549720961433.

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Parallel direct method for turbulent channel flow (湍流槽道流并行直接求解方法)

Published in Journal of Harbin Institute of Technology (哈尔滨工业大学学报), 2020

In this study, the direct numerical simulations of turbulent channel flow combined with Parallel Direct Method of DNS (PDM-DNS) are performed, and high parallel efficiency is obtained. Read more

Recommended citation: Xi, L., Xie, J., & Bao, Y. (2021). Parallel direct method for turbulent channel flow (in Chinese). Journal of Harbin Institute of Technology, 53(1), 163-167. https://doi.org/10.11918/202001028.

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A low-communication-overhead parallel DNS method for the 3D incompressible wall turbulence

Published in International Journal of Computational Fluid Dynamics, 2021

This paper presents a low-communication-overhead parallel method for direct numerical simulations of the 3D incompressible wall turbulence. A fully explicit projection method with second-order space-time accuracy is adopted. Combined with fast Fourier transforms, the parallel diagonal dominant (PDD) algorithm for the tridiagonal system is employed to solve the pressure Poisson equation. Read more

Recommended citation: Xie, J., He, J., Bao, Y., & Chen, X. (2021). A low-communication-overhead parallel DNS method for the 3D incompressible wall turbulence. International Journal of Computational Fluid Dynamics, 1-20. https://doi.org/10.1080/10618562.2021.1971202.

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PowerLLEL_Channel

PowerLLEL_Channel is a Powerful paraLLEL solver for incompressible turbulent Channel flow. It is developed and optimized for massively-parallel Direct Numerical Simulation (DNS) of turbulent channel flow at high Reynolds number Read more