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E Address : §113-0032
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E Tel : 03-5841-1763
E E-mail : fujita@eri.u-tokyo.ac.jp

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( Education )

Dr. (Eng.), Civil Engineering, University of Tokyo, 2014

M. E., Civil Engineering, University of Tokyo, 2012

B. E., Civil Engineering, University of Tokyo, 2010

( Employment )

Assistant Professor, Earthquake Research Institute, University of Tokyo, 2017-Present

Visiting Scientist, Advanced Institute for Computational Science, RIKEN, 2017-Present

Postdoctoral Researcher, Advanced Institute for Computational Science, RIKEN, 2015-2017

Visiting Researcher (Postdoctoral Research Fellow of Japan Society for the Promotion of Science), Advanced Institute for Computational Science, RIKEN, 2014-2015

( Prize )

2016.11 Best Paper Award (Third Workshop on Accelerator Programming Using Directives; Kohei Fujita, Takuma Yamaguchi, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara)

2016.11 Best Poster Award (SC16: International Conference for High Performance Computing, Networking, Storage and Analysis; Kohei Fujita, Tsuyoshi Ichimura, Kentaro Koyama, Masashi Horikoshi, Hikaru Inoue, Larry Meadows, Seizo Tanaka, Muneo Hori, Maddegedara Lalith and Takane Hori)

2016.3 The 7th Research Incentive Award (RIKEN)

2014.3 “Œ‹ž‘åŠw‘åŠw‰@HŠwŒnŒ¤‹†‰Č’·Ü

˜_•¶E’˜‘i2013-j

Kohei Fujita, Tsuyoshi Ichimura, Kentaro Koyama, Hikaru Inoue, Muneo Hori, Lalith Maddegedara, Fast and Scalable Low-order Implicit Unstructured Finite-element Solver for Earth's Crust Deformation Problem, Proceedings of the Platform for Advanced Scientific Computing (PASC) Conference, Article No. 11, ISBN: 978-1-4503-5062-4, doi:10.1145/3093172.3093236, 2017.

Takuma Yamaguchi, Kohei Fujita, Tsuyoshi Ichimura, Takane Hori, Muneo Hori and Lalith Wijerathne, Fast Finite Element Analysis Method Using Multiple GPUs for Crustal Deformation and its Application to Stochastic Inversion Analysis with Geometry Uncertainty, Procedia Computer Science (International Conference on Computational Science), Volume 108, p.765-775, https://doi.org/10.1016/j.procs.2017.05.223, 2017.

Kohei Fujita, Keisuke Katsushima, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara, Octree-based Multiple-material Parallel Unstructured Mesh Generation Method for Seismic Response Analysis of Soil-Structure Systems, Procedia Computer Science, Volume 80, 2016, Pages 1624-1634, ISSN 1877-0509, http://dx.doi.org/10.1016/j.procs.2016.05.496.

Kohei Fujita, Tsuyoshi Ichimura, Development Of Large-Scale Three-Dimensional Seismic Ground Strain Response Analysis Method and Its Application to Tokyo using Full K Computer, Journal of Earthquake and Tsunami, Vol. 10, No. 4, 1640017, doi:10.1142/S1793431116400170, 2016.

Kohei Fujita, Takuma Yamaguchi, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara, Acceleration of Element-by-Element Kernel in Unstructured Implicit Low-order Finite-element Earthquake Simulation using OpenACC on Pascal GPUs, Proceedings of Third Workshop on Accelerator Programming Using Directives (WACCPD), p.1-12, 2016.

Ichimura T, Fujita K, Errol Quinay P, et al. Comprehensive Seismic Response Analysis for Estimating the Seismic Behavior of Buried Pipelines Enhanced by Three-Dimensional Dynamic Finite Element Analysis of Ground Motion and Soil Amplification. ASME. J. Pressure Vessel Technol. 2016;138(5):051801-051801-8. doi:10.1115/1.4033250.

Tsuyoshi Ichimura, Kohei Fujita, Pher Errol Balde Quinay, Lalith Maddegedara, Muneo Hori, Seizo Tanaka, Yoshihisa Shizawa, Hiroshi Kobayashi and Kazuo Minami, Implicit Nonlinear Wave Simulation with 1.08T DOF and 0.270T Unstructured Finite Elements to Enhance Comprehensive Earthquake Simulation, SC15: International Conference for High Performance Computing, Networking, Storage and Analysis.

Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara and Seizo Tanaka, Scalable many-case urban earthquake simulation method for stochastic earthquake disaster estimation, Procedia Computer Science, 51, pp 1483-1493, 2015.

Kohei FUJITA, Tsuyoshi ICHIMURA, Seizo TANAKA, Muneo HORI, Lalith MADDEGEDARA, URBAN EARTHQUAKE SIMULATION USING 3D NONLINEAR GROUND MOTION ANALYSIS AND MULTI-SCENARIO BUILDING RESPONSE ANALYSIS, Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE)), 71, 4, I_680-I_688, 2015, doi: 10.2208/jscejseee.71.I_680

Tsuyoshi Ichimura, Kohei Fujita, Seizo Tanaka, Muneo Hori, Maddegedara Lalith, Yoshihisa Shizawa, and Hiroshi Kobayashi, Physics-based urban earthquake simulation enhanced by 10.7 BlnDOF x 30 K time-step unstructured FE non-linear seismic wave simulation, SC14: International Conference for High Performance Computing, Networking, Storage and Analysis, pp 15-26, 2014. doi: 10.1109/SC.2014.7

Shunsuke Homma, Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, Seckin Citak, Takane Hori, Development of integrated earthquake simulator accounting for parameter uncertainty in fault-to-city system, Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering), 2014 (in Japanese with English abstract), 70(4), I199-I209, 2014 .

Shunsuke Homma, Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, Seckin Citak and Takane Hori, A physics-based Monte Carlo earthquake disaster simulation accounting for uncertainty in building structure parameters, Procedia Computer Science, 29, pp. 855-865, 2014. DOI: 10.1016/j.procs.2014.05.077

Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, M. L. L. Wijerathne and Seizo Tanaka, A quick earthquake disaster estimation system with fast urban earthquake simulation and interactive visualization, Procedia Computer Science, 29, pp. 866-876, 2014. DOI: 10.1016/j.procs.2014.05.078

Tsuyoshi Ichimura, Kohei Fujita, Muneo Hori, Takashi Sakanoue, Ryo Hamanaka, Three-dimensional Nonlinear Seismic Ground Response Analysis of Local Site Effects for Estimating Seismic Behavior of Buried Pipelines, Journal of Pressure Vessel Technology, American Society of Mechanical Engineers, 136, Paper No: PVT-13-1131, 2014, DOI: 10.1115/1.4026208.

Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, Wijerathne Maddegedara Lalith Lakshman and Seizo Tanaka, Basic study on speeding up high resolution urban earthquake damage estimation, Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering), 69, I415-I424, 2013 (in Japanese with English abstract).