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Simplified unified wave-particle method for diatomic gases based on Rykov model

Autor: Yang, Sirui, Liu, Sha, Cao, Junzhe, Zhong, Chengwen

During the past decades, the numerical methods based on Navier-Stokes (N-S) equations and direct simulation Monte Carlo (DSMC) methods have been proved effective in simulating flows in the continuum and rarefied regimes, respectively. However, as sin

Externí odkaz: http://arxiv.org/abs/2409.14146

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A Multi-Scale Boltzmann Equation for Complex Systems of Neutral Gases across All Flow Regimes

Autor: Liu, Sha, Cao, Junzhe, Yang, Sirui, Zhong, Chengwen

A Multi-scale Boltzmann Equation (MBE) is found from the gas-kinetic theory and the direct modeling philosophy as a master equation for complex physical systems of neutral gases across all flow regimes, which locates between the continuum limit and t

Externí odkaz: http://arxiv.org/abs/2406.07038

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Akademický článek

Combination of C-reactive protein and fibrinogen-to-albumin ratio as a novel predictor of all-cause mortality in heart failure patients

Autor: Yang Sirui, Cai Hongyan, Hu Zhao, Huang Wei, Fu Qin, Xia Ping, Gu Wenyi, Shi Tao, Yang Fazhi, Chen Lixing

Publikováno v: Open Medicine, Vol 19, Iss 1, Pp 368-78 (2024)

Heart failure (HF) is a common cardiovascular disease that is related to systemic inflammation. This study aimed to assess the role of C-reactive protein (CRP) combined with fibrinogen-to-albumin ratio (C-FAR) on the prognosis of all-cause mortality

Externí odkaz: https://doaj.org/article/4ae51f34d8be406c8b9bed299e519b85

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A direct unified wave-particle method for simulating non-equilibrium flows

Autor: Cao, Junzhe, Liu, Sha, Yang, Sirui, Zhong, Chengwen

In this work, the Navier-Stokes (NS) solver is combined with the Direct simulation Monte Carlo (DSMC) solver in a direct way, under the wave-particle formulation [J. Comput. Phys. 401, 108977 (2020)]. Different from the classical domain decomposition

Externí odkaz: http://arxiv.org/abs/2305.12071

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