Journal
ADVANCES IN WATER RESOURCES
Volume 47, Issue -, Pages 14-30Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.advwatres.2012.06.007
Keywords
Dam-break wave; Volume of fluid; Large eddy simulation; Moving-solid algorithm
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Funding
- National Science Council of Taiwan [NSC 96-2628-E-006-249-MY3]
- Sinotech Foundation for Research and Development of Engineering Sciences and Technology
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A set of macroscopic model equations for describing the interaction of dam-break waves and porous media is presented. A mathematical model based on spatial averaging theory proposed by Slattery [1] is derived. The large eddy simulation turbulence model and the moving-solid algorithm are incorporated for observing the wave behavior within porous media. The model is validated using two-dimensional experimental data for dam-break wave interaction with porous structures [2], three-dimensional dam-break wave evolution [3,4] as well as impact force of dam-break wave on an impermeable vertical column [5]. Numerical experiments of three-dimensional dam-break waves impacting porous media are subsequently performed. The net force on the structure and the horizontal velocity on a fixed point are also discussed. (c) 2012 Elsevier Ltd. All rights reserved.
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