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Oral Presentation[MS-12] Simulation of Earthquake Hazards and Disasters with HPC

[440301-05]MS-12-1

Fri. Jul 4, 2025 1:00 PM - 3:00 PM JST
Fri. Jul 4, 2025 4:00 AM - 6:00 AM UTC
Room 403(Room 403)
Takane Hori (Japan Agency for Marine-Earth Science and Technology)
1:00 PM - 1:40 PM JST(4:00 AM - 4:40 AM UTC)

[440301-05-01]Massively parallel algorithms for efficient Bayesian inference of earthquake fault parameters

*Kai Nakao1, Tsuyoshi Ichimura1, Kohei Fujita1, Takane Hori2, Tomokazu Kobayashi3, Hiroshi Munekane3 (1. The University of Tokyo, 2. Japan Agency for Marine-Earth Science and Technology, 3. Geospatial Information Authority of Japan)
1:40 PM - 2:00 PM JST(4:40 AM - 5:00 AM UTC)

[440301-05-02]Accelerating implicit unstructured finite-element simulation by converting random access-based computation to sequential access-based computation

*Kohei Fujita1, Tsuyoshi Ichimura1, Muneo Hori2, Lalith Maddegedara1 (1. The University of Tokyo, 2. Japan Agency for Marine-Earth Science and Technology)
2:00 PM - 2:20 PM JST(5:00 AM - 5:20 AM UTC)

[440301-05-03]Large-scale simulation of fault rupture subjected to far-field loading and an MPI+MPI hybrid parallel computational model

*Elia Nicolin1, Lalith Maddegedara2, Lionel Quaranta3, Kohei Fujita2, Tsuyoshi Ichimura2, Muneo Hori4 (1. Department of Civil Engineering, The University of Tokyo, 2. Earthquake Research Institute, The University of Tokyo, 3. GE Vernova, Taichung City, Taiwan, 4. Japan Agency for Marine-Earth Science and Technology)
2:20 PM - 2:40 PM JST(5:20 AM - 5:40 AM UTC)

[440301-05-04]Seismic analysis of transmission tower-line system considering soil-structure interaction

*Eiji Tanaka1, Kosei Yachi1, Yasuhiro Ohashi1 (1. Shimizu Corporation)
2:40 PM - 3:00 PM JST(5:40 AM - 6:00 AM UTC)

[440301-05-05]Application of HPC-FEM to large-scale 3D seismic response analysis in the area around nuclear power plants using the
supercomputer “Fugaku”

*Yuichi Otsuka1, Ayako Maene2, Kohei Fujita3, Tsuyoshi Ichimura3 (1. Tokyo Electric Power Services Co., Ltd, 2. Tokyo Electric Power Company Holdings, Incorporated, 3. Earthquake Research Institute, The University of Tokyo)
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