Particle Level Set Implementation On The
Finite Volume Method
Author(s)
M. Elmi & M. Kolahdouzan
Abstract
Prediction of free surface elevation is one of the most important phenomena in
the field of free surface flow modelling. To date different procedures have been
introduced to capture the free surface. In the current study, a Eulerian-
Lagrangian Method named Particle Level Set (PLS) is developed to predict the
location of free surface. The first implementation of this scheme was on the
Finite Difference Method. This paper deals with the implementation of Particle
Level Set on the Finite Volume mesh. IN the PLS scheme, computational
particles were deployed in conjunction with LS function to raise the accuracy of
function values. Results obtained from the developed model were compared with
experimental and numerical results of dam break cited in the literature which
represent the capability of method to predict high gradient free surface changes
accurately.
Keywords: free surface flow, particle level set method, finite volume method.
1 Introduction
Multi-phase flow modelling is one of the most practical issues and many
researchers try to implement it on their own area of expertise. Prediction of water
surface elevation especially in the high gradient situations (i.e. Dam Break and
Wave Breaking), is an example of multiphase flow. Different approaches have
been introduced to have an accurate prediction of free surface which can be
classified into two categories namely free surface tracking and free surface
capturing [1].
According to free surface tracking methods, the location of free surface can
be predicted by the use of Lagrangian characteristics of the flow. Although the
Advances in Fluid Mechanics VIII 103
www.witpress.com, ISSN 1743-3533 (on-line)
WIT Transactions on Engineering Sciences, Vol 69, © 2010 WIT Press
doi:
Keywords
free surface flow, particle level set method, finite volume method
Related Book
Other papers in this volume
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