Abstract
Ishinomaki city was severely damaged by the tsunami of the Great East Japan Earthquake on 2011. Our target is to simulate impact by the tsunami run-up with many floating objects on coastal areas and an urban area of Ishinomaki. Zoom-up analysis by three analyses stages is adopted to solve a large area from an epicenter to an urban area. In the first stage, the two-dimensional shallow-water analysis is solved from the epicenter to the coastal areas. In the second and third stages, the three-dimensional tsunami run-up analyses are solved for the coastal areas using the hierarchical domain decomposition explicit moving particle simulation (MPS) method. Since our target is the tsunami run-up analysis in the urban area in the third stage, we performed three kinds of tsunami analyses. The first analysis was the two tanks floating between buildings. The second analysis was the analysis of 431 floating objects. The third analysis was the elastic analysis for buildings by fluid pressure.
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Acknowledgments
This research was financially supported by JSPS KAKENHI Grant Number 26390127 and JST CREST project “Development of a Numerical Library based on Hierarchical Domain Decomposition for Post Petascale Simulation.” The computational resource of the Fujitsu FX10 was awarded in the “Large-scale HPC Challenge” Project, Information Technology Center, the University of Tokyo. This research was supported in part by the results of the HPCI and JHPCN Systems Research Projects (Project IDs hp120232/hp140199/jh130031/14-NA07). The authors also wish to thank Professor Kentaro Imai and Professor Shunichi Koshimura of Tohoku University and Kokusai Kogyo Co., Ltd. for the tsunami inlet boundary conditions, Ishinomaki City for the map data, Prometech Software, Inc. for generation of the Ishinomaki City model, Kozo Keikaku Engineering Inc. for the use of TSUNAMI-K and all the members of the ADVENTURE project for their cooperation.
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Murotani, K. et al. (2016). Tsunami Run-Up Simulation. In: Yoshimura, S., Hori, M., Ohsaki, M. (eds) High-Performance Computing for Structural Mechanics and Earthquake/Tsunami Engineering. Springer Tracts in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-21048-3_6
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DOI: https://doi.org/10.1007/978-3-319-21048-3_6
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