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Advances in Materials Science and Engineering
Volume 2015, Article ID 159831, 10 pages
Research Article

A New Method to Simulate Free Surface Flows for Viscoelastic Fluid

1College of Computer, National University of Defense Technology, Changsha, Hunan 410073, China
2State Key Laboratory of High Performance Computing, National University of Defense Technology, Changsha, Hunan 410073, China
3School of Chemical Engineering and Analytical Science, Manchester Institute of Biotechnology, University of Manchester, Manchester M13 9PL, UK

Received 11 September 2015; Revised 1 December 2015; Accepted 13 December 2015

Academic Editor: Olanrewaju Ojo

Copyright © 2015 Yu Cao et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Free surface flows arise in a variety of engineering applications. To predict the dynamic characteristics of such problems, specific numerical methods are required to accurately capture the shape of free surface. This paper proposed a new method which combined the Arbitrary Lagrangian-Eulerian (ALE) technique with the Finite Volume Method (FVM) to simulate the time-dependent viscoelastic free surface flows. Based on an open source CFD toolbox called OpenFOAM, we designed an ALE-FVM free surface simulation platform. In the meantime, the die-swell flow had been investigated with our proposed platform to make a further analysis of free surface phenomenon. The results validated the correctness and effectiveness of the proposed method for free surface simulation in both Newtonian fluid and viscoelastic fluid.