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Interface reconstruction method for multiphase flows in under-resolved regions

Abstract : This paper presents an interface reconstruction method called moment of uid (MOF) method for two-phase ows using statistical moments of liquid volume fraction. In each ow solver grid cell, the liquid volume fraction and liquid center of mass are used for computing the interface unit normal. The transport of the liquid volume fraction and center of mass is performed by a directionally split advection scheme. This method is validated, results are compared with those from coupled level set volume of uid (CLSVOF) method for 2D and 3D test cases, and is found to be at least secondorder accurate in spatial resolution. Furthermore, MOF method is shown to outperform CLSVOF method in terms of interface reconstruction for thin and underresolved liquid ligaments and laments thereby conserving mass in the domain.
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Contributor : Anirudh Asuri Mukundan Connect in order to contact the contributor
Submitted on : Tuesday, August 28, 2018 - 2:51:22 PM
Last modification on : Wednesday, November 3, 2021 - 5:35:07 AM
Long-term archiving on: : Thursday, November 29, 2018 - 4:45:34 PM


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  • HAL Id : hal-01863439, version 1


Anirudh Asuri Mukundan, Thibaut Menard, Alain Berlemont, Jorge César Brändle de Motta. Interface reconstruction method for multiphase flows in under-resolved regions. In Proceedings of the 10th International Conference on Computational Fluid Dynamics, Jul 2018, Barcelona, Spain. pp.1-17. ⟨hal-01863439⟩



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