Three-dimensional numerical simulation of solitary wave run-up using the lB method
- Authors
- Ha, Taemin; Shim, Jaeseol; Lin, Pengzhi; Cho, Yong-Sik
- Issue Date
- Feb-2014
- Publisher
- ELSEVIER
- Keywords
- Navier-Stokes equations; Wave-structure interaction; Immersed boundary method; Solitary wave run-up
- Citation
- COASTAL ENGINEERING, v.84, pp.38 - 55
- Indexed
- SCIE
SCOPUS
- Journal Title
- COASTAL ENGINEERING
- Volume
- 84
- Start Page
- 38
- End Page
- 55
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/160785
- DOI
- 10.1016/j.coastaleng.2013.11.003
- ISSN
- 0378-3839
- Abstract
- Although the finite difference method is computationally efficient, it is acknowledged to be inferior when dealing with flow-over on structures with a complex geometry because of its rectilinear grid system. Therefore, we developed a numerical procedure that can cope with flow over structures with complex shapes while, at the same time, retaining the simplicity and efficiency of a rectilinear grid system. We used the immersed boundary method, which involves application of immersed boundary forces at solid boundaries rather than conventional boundary-conditions, to-investigate-wave-interactions with-coastal-structures-in a-three-dimensional numerical wave tank by solving the Navier Stokes equations for two-phase flows. We simulated the run-up of a solitary wave around a circular island. Maximum run-up heights were computed around the island and compared with available laboratory measurements and previous numerical results. The three-dimensional features of the run-up process were analyzed in detail and compared with those of depth-integrated equations models.
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