Special Issue "Numerical Simulation of the Tsunami Propagation"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Earth Sciences and Geography".

Deadline for manuscript submissions: closed (15 July 2020).

Special Issue Editor

Prof. Tso-Ren Wu
Website
Guest Editor
Graduate Institute of Hydrological and Oceanic Sciences,. National Central University, Taiwan
Interests: tsunami science; local scour simulation; storm surge simulation; 3D numerical modeling; two-way coupled moving-solid model; landslide and sebris flow simulation

Special Issue Information

Dear Colleagues,

It is our pleasure to announce the opening of a new Special Issue in the Applied Sciences Journal. The main topic of the Special Issue will be “Numerical Simulation of the Tsunami Dynamics”.

Tsunamis are one of the most dangerous natural events impacting vulnerable coastlines. After the catastrophic tsunamis in 2004 and 2011, tsunami science, especially in the simulation of seismic tsunamis, has grown significantly. However, two recent local tsunami events in Indonesia, the 2018 Palu tsunami and the 2018 Sunda Strait tsunamis, further put forward new challenges to the simulation of landslide and volcanic tsunamis.

In this issue, we would like to update the numerical method for discovering and understanding the tsunami dynamics from the stages of generation, propagation, runup, inundation, and dissipation. Focuses are advanced algorithms for simulating seismic, landslide, mudslide, and volcanic tsunamis on both 2D and 3D domains. Rigorous model validation and quantitative discussion are required.

The following are some of the topics proposed for this Special Issue (but not limited to):

  • Depth-integrated or Navier-Stokes numerical modeling on tsunamis
  • Moving-solid method for simulating dynamics of rockslide, boulders, or debris
  • VOF, SPH, Level-set, LBM methods for free-surface kinematics
  • Breaking wave, turbulence, and wave-structure interactions
  • Non-Newtonian or sediment-transport models for landslide tsunamis
  • Historical event reconstruction and source finding

We hope you will contribute your high-quality research and we look forward to reading your valuable results.

Prof. Tso-Ren Wu
Guest Editor

Manuscript Submission Information

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Keywords

  • Tsunami
  • Landslide
  • Moving solid
  • Numerical simulation
  • Palu

Published Papers (1 paper)

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Research

Open AccessArticle
Hardware Acceleration of Tsunami Wave Propagation Modeling in the Southern Part of Japan
Appl. Sci. 2020, 10(12), 4159; https://doi.org/10.3390/app10124159 - 17 Jun 2020
Abstract
In order to speed up the calculation of tsunami wave propagation, the field-programmable gate array (FPGA) microchip is used. This makes it possible to achieve valuable performance gain with a modern regular personal computer. The two half-step MacCormack scheme was used herein for [...] Read more.
In order to speed up the calculation of tsunami wave propagation, the field-programmable gate array (FPGA) microchip is used. This makes it possible to achieve valuable performance gain with a modern regular personal computer. The two half-step MacCormack scheme was used herein for numerical approximation of the shallow water system. We studied the distribution of tsunami wave maximal heights along the coast of the southern part of Japan. In particular, the dependence of wave maximal heights on the particular tsunami source location was investigated. Synthetic 100 × 200 km sources have realistic parameters corresponding to this region. As observed numerically, only selected parts of the entire coast line are subject to dangerous tsunami wave amplitudes. The particular locations of such areas strongly depend on the location of the tsunami source. However, the extreme tsunami heights in some of those areas can be attributed to local bathymetry. The proposed hardware acceleration to compute tsunami wave propagation can be used for rapid (say, in a few minutes) tsunami wave danger evaluation for a particular village or industrial unit on the coast. Full article
(This article belongs to the Special Issue Numerical Simulation of the Tsunami Propagation)
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