28 2017 5 jh160029 NAH [1] 5.1 3 FX-10 [2] 5.2 FX-10 [3] 5.3 2016 4 TSUBAME-2.5 10 [4] 5.4 1. (1) (2) (3) GPU GPU TSUBAME FX10 FX10 2. 2011 3 11 M9 1
28 2017 5 M7.3 M6.6 2016 Finite-Difference Time Domain [1, 2, 3] 3 6 1 [4, 5] 28 2016 4 M 7.3 3. 3 FDTD 1-2 100 m 1 [1, 2] V i τ ij i, j = x, y, z km TSUBAME- 2.5 GPU 300GPU 100 FX10 200 4. [1] (1) (2) (3) 5 2
28 2017 5 1 1501 2701 701 5931.5 s 1.6 2 17577 s 3541 4091 701 4.9 3 2301 2501 701 8322.5 s 2.3 4 2001 2501 701 7508 s 2.1 1 2 2 1 [2] 26 27 2015 5. 1 2 4 1 5.1 2 5.2 Takenaka et al. 2017 0.1 km 0.005 s 20000 3 216 432 8 2 HOT- FDM FX-10 3 5.3 2016 Okamoto et al. 4 5.4 3 2016 4 16 7 11 M5.4 5 2016 5.3 5.1 3
28 2017 5 3 2 2 1/r Q [6] P S 4 2 1 250m JTOPO30v2 [7] J-SHIS [8] 1 [9] HOT- FDM[3] 1 2 FX10 MPI openmp 4 2 4 3 4 3 5.2 5.1 2 4
28 2017 5 6 TSK 859.3 km R)T Z 10 20 s Takenaka et al. (2017) 5 Takenaka et al. (2017) Takenaka et al. 2017 5 5 3 1601 2401 401 0.025 s FX-10 6 859.3 km 200 S 10 20 s 500 km 5.3 2016 4 14 6 4 16 M7.3 5 2015 11 14 M7.1 2. Okamoto et al. 2016 5.3.1 7 [10] 6 10 8 strain/year 7 5
28 2017 5 2880 3520 930 320 320 310 0.10 km 288 352 93 km 0.005 s 6 GPU 297 24000 10850 s 3 TSUBAME-2.5 [16] (3.136) n 14 I/O 7 M2 30 km M5 10 mm/year [11] [12, 10] 2015 M7.1 ( 7) ( 0.3m) M7 5.3.2 3 128 30 ( 7 ) [14] J-SHIS V2[8] ( )[9] [15] HOT-FDM[3] GPU [1, 2] TSUBAME-2.5 3 3 [17] K-NET 7 8 3 10 [13] 5.1.2 5.4 27 6
28 2017 5 8 2016 5 7 KGS003, KGS010, KGS018, KGS019, KGS021, KGS036 (a) 4 40 (b) 7 40 (c) 10-40 (a) 1.33 (b) 0.84 (c) 0.40 1 4864 3200 1200 6 2 4800 3200 940 23 1 256 320 600 2 320 320 470 0.15 km 1 728 480 180 km 2 720 480 141 km 0.0071429 s 3 GPU 1 380, 2 300 1 31444 38094, 2 38094 2 16913 s 4 TSUBAME-2.5 3 2 23 I/O [13] 5.1.5 4 2 TSUBAME-2.5 4 1 1 6. 28 28 2016 4 5.3 28 5.1 5.2 5.4 97.5% 86% 28 7. (1) Hiroshi Takenaka, Masanao Komatsu, Genti Toyokuni, Takeshi Nakamura, and Taro Okamoto, Quasi-Cartesian finite-difference computation of seismic wave propagation for a three-dimensional subglobal model, Earth, Planets and Space, doi:10.1186/s40623-017-0651-1, 2017. Taro Okamoto, Hiroshi Takenaka, Takeshi Nakamura, and Tatsuhiko Hara, FDM Simulation of The 2016 West Off Kyushu, Japan, Earthquakes by Using Land-Ocean Unified 3D Structure Model, Earth, Planets and Space,. 7
28 2017 5 2 (3) Taro Okamoto, Hiroshi Takenaka, Takeshi Nakamura, and Tatsuhiko Hara, FDM Simulation of The 2016 West Off Satsuma Peninsula, Kyushu, Japan, Earthquakes by Using Land-Ocean Unified 3D Structure Model, American Geophysical Union 2015 Fall Meeting, Moscone Center, San Francisco, California, USA, 2016 12 16. (4) 2016 SSS28- P072016 5 23. 3 2016 S21-P05 2016 10 7. (5) (K-NET) F-net [1] Okamoto, T., H. Takenaka, T. Nakamura, and T. Aoki, Accelerating Large-Scale Simulation of Seismic Wave Propagation by Multi-GPUs and Three- Dimensional Domain Decomposition, Earth, Planets and Space, 62, 939 942, 2010. [2] Okamoto, T., H. Takenaka, T. Nakamura, and T. Aoki, Accelerating Large-Scale Simulation of Seismic Wave Propagation by Multi-GPUs and Three- Dimensional Domain Decomposition, in GPU Solutions to Multi-scale Problems in Science and Engineering, D. A. Yuen et al. (eds.), Chapter 24, DOI:10.1007/978-3-642-16405-7 23, Springer- Verlag Berlin Heidelberg, 2013. [3] Nakamura, T., H. Takenaka, T. Okamoto, and Y. Kaneda, FDM Simulation of Seismic-Wave Propagation for an Aftershock of the 2009 Suruga Bay Earthquake: Effects of Ocean-Bottom Topography and Seawater Layer, Bulletin of the Seismological Society of America, 102, No. 6, 2420-2435, doi: 10.1785/0120110356, 2012. [4],,, 2, 57, 355 364, 2005. [5], 3, 2, 63, 189 196, 2011. [6],, 2015, S06-07, 2015 10 28. [7] JTOPO30v2 30,, 2011. [8] Fujiwara H., Kawai S., Aoi S., Morikawa N., Senna H., AZUMA H., Ooi M., Hao K. X.-S., Hasegawa N., Maeda T., Iwaki A., Wakamatsu K., Imoto M., Okumura T., Matsuyama H., Narita A., A study on subsurface structure model for deep sedimentary layers of Japan for strong-motion evaluation, Technical Note of the National Research Institute for Earth Science and Disaster Prevention, No.379, 2012. [9],, http://www.jishin.go.jp/main/chousa/ 12 choshuki/dat/, 2012. [10] Takayama, H., and A. Yoshida, Crustal deformation in Kyushu derived from GEONET data, Journal of Geophysical Research, 112, B06413, doi:10.1029/2006jb004690, 2007. [11] Nishimura, S., M. Hashimoto, and M. Ando, A rigid block rotation model for the GPS derived velocity field along the Ryukyu arc, Physics of the Earth and Planetary Interiors, 142, 185 203, 2004. [12],,, 2, 37, 407 415, 1984. [13], 27, 15 NA12, 2016. [14] Kisimoto, K., Combined bathymetric and topographic mesh data: Japan250m.grd, Geological Survey of Japan, Open-file Report, No. 353, 2000. [15] Iwasaki, T., N. Hirata, T. Kanazawa, J. Melles, K. Suyehiro, T. Urabe, L. Möller, J. Makris, and H. Shimamura, Crustal and upper mantle structure in the Ryukyu Island Arc deduced from deep seismic sounding, Geophysical Journal International, 102, 631 651, 1990. [16] Moczo, P., J. Kristek, and M. Galis, The finitedifference modelling of earthquake motions, Cambridge University Press, 2014. [17] Okamoto, T. and H. Takenaka, Effect of near-source trench structure on teleseismic body waveforms: an application of a 2.5D FDM to the Java trench, in Advances in Geosciences, 13 (Solid Earth), ed. Kenji Satake, 215 229, doi: 10.1142/9789812836182 0015, World Scientific Pubishing Co., Singapore (2009). 8