Chapter
Apr 26, 2012
Numerical Modeling of Tsunami Propagation over Varying Water Depth
Authors: Sung B. Yoon : [email protected], Chul-Sun Choi [email protected], and Sung-Myeon Yi : [email protected]Author Affiliations
Publication: Ocean Wave Measurement and Analysis (2001)
Abstract
A dispersion-correction finite difference numerical scheme is employed to simulate the propagation of distant tsunamis over slowly varying topography with improved dispersion effect of waves. The scheme solves the shallow-water equations on a uniform grid system. However, the actual computation is made on an imaginary grid system whose grid size is adjustable according to the condition required to satisfy local dispersion relationships. The present model is applied to the simulation of a historical tsunami event. Numerical results are compared with the tide gage records, and reasonably good agreements are obtained.
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Published In
Ocean Wave Measurement and Analysis (2001)
Pages: 1515 - 1524
Copyright
© 2002 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Assoc. Prof., Department of Civil and Environmental Engineering, Hanyang University, Ansan, Kyunggi 425-791, Korea.E-mail: : [email protected]
Senior Coastal Engineer, Civil and Architectural Engineering Department, Korea Power Engineering Co., Inc., Yongin, Kyunggi 449-713, KoreaI. E-mail: [email protected]
Senior Coastal Engineer, Civil and Architectural Engineering Department, Korea Power Engineering Co., Inc., Yongin, Kyunggi 449-713, Korea.E-mail: : [email protected]
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