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－　　－26Kazuhiko KAKUDAProfessor, Department of Mathematical Information EngineeringKazuhiko Kakuda is a professor at the Department of Mathematical Information Engineering, College of Industrial Technology, Nihon University. Dr. Kakuda received a B. Eng. in Mathematical Engineering in 1980, M. Eng. in Architecture & Architectural Engineering in 1982, and Dr. Eng. in Mathematical Engineering in 1985 from Nihon University. His research interests include the numerical simulation of complex fluid flow fields, parallel computing on CPU/GPU, data-driven uid ow simulations, and the development of numerical methods for nonlinear problems. He is a councilor of the Japan Society for Computational Methods in Engineering (JASCOME). He is a member of JSME, JSCES and so forth. He received the Distinguished Achievement Award in 2014 and the Distinguished Fellow in 2015 of the International Conference on Computational & Experimental Engineering and Sciences (ICCES).Research Achievements1)Droplet-Falling Impact Simulations by Particle-Based Method, Computational and Experimental Simulations in Engineering, Proceedings of ICCES2019, Okuda and Satya N. Atluri (Eds.), Springer International Publishing, vol.75, pp.223-227, 2019.11.2)New Activation Functions in CNN and Its Applications, ICCES online, vol.21, no.2, pp.36-39, 2019.9.3)Nonlinear Activation Functions in CNN Based on Fluid Dynamics and Its Applications, CMES: Computer Modeling in Engineering & Sciences, vo.118, no.1, pp.1-14, 2019.1.4)SPH Simulations of Fluid Flow with Surface Tension, Proc. 28th International Offshore and Polar Engineering Conference (ISOPE), vol.28, pp.546-552, 2018.6.5)Particle-based Flow Simulation by SPH Using Hyperbolic-type Kernel Function, Proc. 25th International Offshore and Polar Engineering Conference (ISOPE), vol.25, pp.416-423, 2015.6.Fig.1 Comparisons of the ground truth and other results (Dam-break flow simulation)