2026-05-28T07:40:04Zhttps://riuma.uma.es/rest/oai/requestoai:riuma.uma.es:10630/373992026-02-03T11:08:08Zcom_10630_2254col_10630_37953
RIUMA. Repositorio Institucional de la Universidad de Málaga
author
Macías-Sánchez, Jorge
author
Mercado, Aurelio
author
González-Vida, José Manuel
author
Ortega-Acosta, Sergio
author
Castro-Díaz, Manuel Jesús
2025-01-30T11:55:57Z
2025-01-30T11:55:57Z
2016
Macías, J., Mercado, A., González-Vida, J.M. et al. Comparison and Computational Performance of Tsunami-HySEA and MOST Models for LANTEX 2013 Scenario: Impact Assessment on Puerto Rico Coasts. Pure Appl. Geophys. 173, 3973–3997 (2016). https://doi.org/10.1007/s00024-016-1387-8
https://hdl.handle.net/10630/37399
10.1007/s00024-016-1387-8
HySEA tsunami model is used to simulate the Caribbean LANTEX 2013 scenario. The
numerical simulation of the propagation and inundation phases is performed with a single integrated
model but using different mesh resolutions and nested meshes. Special emphasis is put on assessing
the most exposed coastal areas at Puerto Rico affected by this event. Comparisons with MOST are
made considering both time series at different locations, and inundation maps. Both models
compare well for propagating tsunami waves in open sea, producing very similar results. The main
discrepancies are observed in coastal areas, where maximum wave height provided by the
propagation module of MOST is different from the one provided by HySEA. The main reason is
that, while HySEA always compute inundation effects, MOST propagation does not include runup
physics and locates an artificial numerical reflecting wall at a certain depth (typically 20 m).
Henceforth, in nearshore shallow waters HySEA should be compared with the inundation version of
MOST. Nevertheless the most striking difference resides in computational time; HySEA is coded
using the advantages of GPU architecture, and can produce a 4 hour simulation in a 60 arc-sec
resolution for the whole Caribbean Sea in less than 4 min with a single GPU and as fast as 11
seconds with 32 GPUs. When details about the inundation must be simulated, a 1 arc-sec
(approximately 30 m) inundation resolution mesh covering all of Puerto Rico, an island with
dimensions of 160 km east-west and 56 km north-south, is used, and a three level nested meshes
technique implemented. In this case approximately 11 hours of wall clock time are needed for a 2
hour simulation in a single GPU.
eng
Maremotos
Comparison and Computational Performance of Tsunami-HySEA and MOST Models for LANTEX 2013 Scenario: Impact Assessment on Puerto Rico Coasts.
journal article
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