FPGA Based Modeling of Tohoku Tsunami Using Nested Grids

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Abstract

The authors have implemented the nested grids approach for fast calculation of tsunami wave propagation. FPGA based hardware accelerator is used to achieve acceptable (high enough) performance at regular modern PC. Numerical experiment is based on the real digital bathymetry around the northeast part of Japan. Mesh step variation is from 276 m to just 17 m. Realistic shape of the initial sea surface displacement at tsunami source was used. Observed phenomenon is discussed in numbers.

Original languageEnglish
Title of host publication2020 Global Oceans 2020
Subtitle of host publicationSingapore - U.S. Gulf Coast
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728154466
DOIs
Publication statusPublished - 5 Oct 2020
Event2020 Global Oceans: Singapore - U.S. Gulf Coast, OCEANS 2020 - Biloxi, United States
Duration: 5 Oct 202030 Oct 2020

Publication series

Name2020 Global Oceans 2020: Singapore - U.S. Gulf Coast

Conference

Conference2020 Global Oceans: Singapore - U.S. Gulf Coast, OCEANS 2020
CountryUnited States
CityBiloxi
Period05.10.202030.10.2020

Keywords

  • calculation of tsunami wave
  • hardware accelerator
  • nested grids

OECD FOS+WOS

  • 1.02 COMPUTER AND INFORMATION SCIENCES

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