with Prof. L. E. Boltzmann in Wien, 2011. 
TSUBOI Kazuhiro, Dr. Eng.ProfessorDepartment of Intelligent Systems Engineering, IBARAKI University, 4121 Nakanarusawa, Hitachi, 3168511, JAPANkazuhiro*tsuboi*508#vc*ibaraki*ac*jp (Replace '#' and '*' by '@' and '.', and send me email. ) This page is based on the data of Apr. 2019.

Fluid dynamics, applied mathematics and also several fields relating
to them.
Keywords of research: Fluid dynamics, Applied mathematics,
Modeling and Simulation, Computational science and engineering, Sports
engineering
Recent research themes are
Mathematical investigation on twofluid equations and its application to icing simulation
Mathematical investigation on projection problems in sport
Development of computational algorithm for the incompressible NavierStokes equation with optimization approach
Application of the objectoriented methodology to simulation
YASUDA, K., TSUBOI, K., TANAKA, K. and MIYAZAKI, T. : Estimation of aerodynamic coefficients for a ball by using characteristics of trajectory, Transactions of the JSME (in Japanese), Vol. 80, No. 814, p. BMS0176 (2014)
Tsuboi, K. and Kimura, S. : Application of Eulerian Approach to Simulate Hard Rime
Accretion, J. Adhes. Sci. Technol., Vol. 26, pp. 505–521
(2012) : The author has eprints of this paper.
Contact him directly when you need it.
Tsuboi, K. : A mathematical solution of the optimum takeoff angle in long jump , Procedia Engineering, Vol. 2, Issue 2, pp. 32053210 (2010)
Tsuboi, K. and Sasajima, K. : Application of Optimization Technique to Solution of Incompressible NavierStokes Equation, Proceedings of 5th AIAA Theoretical Fluid Mechanics Conference, AIAA paper 20084101, pp. 115 (2008)
Yabushita, K., Yamashita, M. and Tsuboi, K. : An
analytic solution of projectile motion with the quadratic
resistance law using the homotopy analysis method, J.
Phys. A: Math. Theor., Vol. 40, pp. 8403–8416 (2007)
Tsuboi K.: Condition Number of Tridiagonal Matrix in Stretching Coordinates System, Transactions of Japan Society for Industrial and Applied Mathematics, Vol. 10, No. 2, pp.133144 (2000.6) in Japanese.
Tsuboi K.: On the Optimum angle of Takeoff in Long jump, Transactions of Japan Society for Industrial and Applied Mathematics, Vol. 6, No. 4, pp.393403 (1996.12) in Japanese.Tribelsky, M. I. and Tsuboi, K.: New scenario for Transition to Turbulence?, Phys. Rev. Lett., Vol. 76, No. 10, pp.16311634 (1996. 3)
K. Tsuboi, K. Miyakoshi and K. Kuwahara: "An approach to incompressible flow problems with a massively parallel computer", Proceedings of Parallel Computational Fluid Dynamics '91, NorthHolland, pp. 343353 (1992).
K. Tsuboi, K. Miyakoshi and K. Kuwahara: "Incompressible Flow Simulation of Complicated Boundary Problems with Rectangular Grid System", Theoretical and Applied Mech., Vol. 40, pp.297309 (1991).
K. Tsuboi, K. Miyakoshi and K. Kuwahara: "Incompressible flow simulations with solid models in rectangular grid system", Proceedings of Numerical Grid Generation in Computational Fluid Dynamics and Related Fields, pp. 379390 (1991).
K. Tsuboi, T. Tamura and K. Kuwahara: "Numerical Study for Vortex Induced Vibration of a Circular Cylinder in HighReynoldsNumber Flow", AIAA paper 890294 (1989).
K. Tsuboi and Y. Oshima: "Merging of Two Dimensional Vortices by the Discrete Vortex Method", J. Phys. Soc. of Japan, Vol. 54, No. 6, pp. 21372145 (1985) : if you are interested in this topic, click here!