Water Science and Engineering 2012, 5(1) 67-78 DOI:   10.3882/j.issn.1674-2370.2012.01.007  ISSN: 1674-2370 CN: 32-1785/TV

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Keywords
water wave
water flow
numerical simulation
CLEAR-VOF
three-step finite element method
Authors
Ying-wei SUN
Hai-gui KANG
PubMed
Article by Ying-wei SUN
Article by Hai-gui KANG

Application of CLEAR-VOF method to wave and flow simulations

Ying-wei SUN, Hai-gui KANG*

School of Hydraulic Engineering, Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116023, P. R. China

Abstract

A two-dimensional numerical model based on the Navier-Stokes equations and computational Lagrangian-Eulerian advection remap-volume of fluid (CLEAR-VOF) method was developed to simulate wave and flow problems. The Navier-Stokes equations were discretized with a three-step finite element method that has a third-order accuracy. In the CLEAR-VOF method, the VOF function F was calculated in the Lagrangian manner and allowed the complicated free surface to be accurately captured. The propagation of regular waves and solitary waves over a flat bottom, and shoaling and breaking of solitary waves on two different slopes were simulated with this model, and the numerical results agreed with experimental data and theoretical solutions. A benchmark test of dam-collapse flow was also simulated with an unstructured mesh, and the capability of the present model for wave and flow simulations with unstructured meshes, was verified. The results show that the model is effective for numerical simulation of wave and flow problems with both structured and unstructured meshes.

Keywords water wave   water flow   numerical simulation   CLEAR-VOF   three-step finite element method  
Received 2011-10-24 Revised 2012-01-11 Online: 2012-03-27 
DOI: 10.3882/j.issn.1674-2370.2012.01.007
Fund:

the National Natural Science Foundation of China (Grant No. 50679008)

Corresponding Authors: Hai-gui KANG
Email: hgkang@dlut.edu.cn
About author:

References:

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