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research article

Moving mesh method for direct numerical simulation of two-phase flow with phase change

Gros, E.
•
Anjos, G.  
•
Thome, J.  
December 15, 2018
Applied Mathematics And Computation

A moving mesh approach is employed to simulate two-phase flow with phase change. The mathematical model is based on the Arbitrary Lagrangian-Eulerian (ALE) description of the axisymmetric Navier-Stokes equations and energy conservation. These equations are discretized by the Finite Element Method (FEM) on a triangular unstructured mesh in which the phase boundary is represented by a set of interconnected nodes and segments that are part of the computational mesh. Here, phase change and surface tension are implemented as source terms, using the one fluid approach. The method is shown to provide an accurate description of the interfacial forces, heat and mass transfer between phases. Several different verifications are presented where the results are compared to analytical and semi-analytical solutions. (C) 2018 Elsevier Inc. All rights reserved.

  • Details
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Type
research article
DOI
10.1016/j.amc.2018.07.052
Web of Science ID

WOS:000444566800051

Author(s)
Gros, E.
Anjos, G.  
Thome, J.  
Date Issued

2018-12-15

Publisher

ELSEVIER SCIENCE INC

Published in
Applied Mathematics And Computation
Volume

339

Start page

636

End page

650

Subjects

Mathematics, Applied

•

Mathematics

•

finite element method (fem)

•

phase change

•

axisymmetric

•

two phase flow

•

arbitrary lagrangian-eulerian (ale)

•

geometric conservation law

•

finite-element-method

•

bubble-growth

•

heat-transfer

•

level-set

•

computations

•

microchannel

•

boundaries

•

stability

•

tracking

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LTCM  
Available on Infoscience
December 13, 2018
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/152059
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