TAKUJI NAKASHIMA

Last Updated :2020/06/01

Affiliations, Positions
Graduate School of Advanced Science and Engineering, ., Assistant Professor
E-mail
nakashimahiroshima-u.ac.jp

Basic Information

Major Professional Backgrounds

  • 2006/04/01, 2006/09/30, HOKKAIDO UNIVERSITY, Postdoctoral Fellow
  • 2005/10/01, 2006/03/31, HOKKAIDO UNIVERSITY, Academic Researcher

Academic Degrees

  • Doctor of Engineering, The University of Tokyo
  • Master of Engineering, The University of Tokyo

Research Fields

  • Engineering;Integrated engineering;Naval and maritime engineering
  • Engineering;Mechanical engineering;Fluid engineering

Research Keywords

  • Fluid Dynamics
  • Engineering Turbulence
  • Numerical Fluid Dynamics
  • Vehicle Aerodynamics
  • Ship Hydrodynamics and Aerodynamics
  • Automobile Engineering
  • Ocean and Marine Engineering
  • Vehicle and Environmental Systems Engineering

Affiliated Academic Societies

  • The Japan Society of Naval Architects and Ocean Engineers, 2006/01
  • Society of Automotive Engineers of Japan, 2007/09
  • The Japan Society of Mechanical Engineers, 2004/11
  • Society of Automotive Engineers (SAE)
  • American Institute of Aeronautics and Astronautics (AIAA)
  • Gas Turbine Society of Japan

Educational Activity

Course in Charge

  1. 2020, Undergraduate Education, 2Term, Computer Programming
  2. 2020, Undergraduate Education, 2Term, Computer Programming
  3. 2020, Undergraduate Education, First Semester, Computer Aided Design
  4. 2020, Undergraduate Education, 1Term, Experiments and Analytical Procedures in Transportation Systems
  5. 2020, Graduate Education (Doctoral Program) , Year, Transportation and Environmental Systems Research IV
  6. 2020, Graduate Education (Master's Program) , First Semester, Transportation and Environmental Systems Research IIA
  7. 2020, Graduate Education (Master's Program) , Second Semester, Transportation and Environmental Systems Research IIB
  8. 2020, Graduate Education (Master's Program) , First Semester, Transportation and Environmental Systems Seminar IIA
  9. 2020, Graduate Education (Master's Program) , Second Semester, Transportation and Environmental Systems Seminar IIB
  10. 2020, Graduate Education (Master's Program) , 1Term, Special Exercises on Transportation and Environmental Systems A
  11. 2020, Graduate Education (Master's Program) , 2Term, Special Exercises on Transportation and Environmental Systems A
  12. 2020, Graduate Education (Master's Program) , 3Term, Special Exercises on Transportation and Environmental Systems B
  13. 2020, Graduate Education (Master's Program) , 4Term, Special Exercises on Transportation and Environmental Systems B
  14. 2020, Graduate Education (Master's Program) , Academic Year, Special Study on Transportation and Environmental Systems
  15. 2020, Graduate Education (Doctoral Program) , Academic Year, Special Study on Transportation and Environmental Systems

Research Activities

Academic Papers

  1. Aerodynamic drag change of simplified automobile models influenced by a passing vehicle, Mechanical Engineering Journal, 7(1), 19-00366, 20200215
  2. Effect of Wavy Leading Edge on Pitching Rectangular Wing, Journal of Aero Aqua Bio-mechanisms, 9(1), 1-7, 20200129
  3. Aerodynamic drag reduction of a simplified vehicle model by promoting flow separation using plasma actuator, Mechanical Engineering Letters, 5, 19-00354, 20191024
  4. Harvesting ocean energy with a small-scale tidal-current turbine and fish aggregating device in the Indonesian Archipelagos, SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS, 35, 160-171, 20191001
  5. Aerodynamic drag change of vehicle model caused by flow hysteresis under fluctuating crosswind, 50(3), 938-944, 2019,5,24
  6. Unsteady Flow Analysis Method for Automobile Headlamp Based on Massively Parallel CFD, Transactions of Society of Automotive Engineers of Japan, 50(2), 542-549, 2019,3,25
  7. Influence of Rear-end Shape on Transient Aerodynamic Characteristics Caused by Time Variation of the Relative Wind Direction, Transactions of the Society of Automotive Engineers of Japan, Inc., 49(2), 447-452, 20180327
  8. Wind Tunnel Tests of a Simplified Car Model for Validating Vehicle Aerodynamics CFD, Transactions of the Society of Automotive Engineers of Japan, Inc., 47(6), 1439-1445, 20161101
  9. A study on the performance of cascade hard sails and sail-equipped vessels, OCEAN ENGINEERING, 98, 23-31, 20150401
  10. Aerodynamic force acting on a road vehicle in steady-state cornering, Transactions of the JSME (in Japanese), 80(818), FE0009, 20141025
  11. Aerodynamic stability of road vehicles in dynamic pitching motion, JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS, 122, 146-156, 201311
  12. Coupled analysis of unsteady aerodynamics and vehicle motion of a road vehicle in windy conditions, COMPUTERS & FLUIDS, 80, 1-9, 20130710
  13. Unsteady Vehicle Aerodynamics during a Dynamic Steering Action: 2nd Report, Numerical Analysis, SAE International Journal of Passenger Cars - Mechanical Systems, 5(1), 340-357, 20120501
  14. Numerical quantification of aerodynamic damping on pitching of vehicle-inspired bluff body, JOURNAL OF FLUIDS AND STRUCTURES, 30, 188-204, 201204
  15. A numerical analysis of transient flow past road vehicles subjected to pitching oscillation, JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS, 99(5), 511-522, 201105
  16. Large eddy simulation on the unsteady aerodynamic response of a road vehicle in transient crosswinds, INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 31(6), 1075-1086, 201012
  17. Computational visualization of unsteady flow around vehicles using high performance computing, COMPUTERS & FLUIDS, 38(5), 981-990, 200905
  18. Effect of Temporal Variations of Internal Ballistics on Fuel Regression Rate in the CAMUI Hybrid Rocket, Journal of Space Engineering, 3(1), 52-65, 20101101
  19. Flow Structures above the Trunk Deck of Sedan-type Vehicles and their Influence on High-speed Vehicle Stability 2nd Report: Numerical Investigation on Simplified Vehicle Models using Large-Eddy Simulation, SAE International Journal of Passenger Cars - Mechanical Systems, 2(1), 157-167, 20091001
  20. Development of an Unsteady Aerodynamic Simulator Using Large-Eddy Simulation Based on High-Performance Computing Technique, SAE International Journal of Passenger Cars - Mechanical Systems, 2(1), 168-178, 20091001
  21. Fuel Regression Rate Behavior of CAMUI Hybrid Rocket, TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, SPACE TECHNOLOGY JAPAN, 2(1), 168-178, 20090901
  22. Large Eddy Simulation of Unsteady Flow Around a Formula Car on Earth Simulator, SAE 2007 Transactions: Journal of Passenger Cars - Mechanical Systems, 116, 40-49, 20080801
  23. HIGH PERFORMANCE LES ON EARTH SIMULATOR: A CHALLENGE FOR VEHICLE AERODYNAMICS, F2006M111T, 20070901
  24. Numerical Prediction of Turbulent Combustion Flows in Staged Combustor Using LES and Extended G-Equation, 34(3), 226-234, 20060501
  25. Investigation of Increase in Aerodynamic Drag Caused by a Passing Vehicle, SAE Technical Paper, 2018-01-0719, 1-11, 20180403
  26. Visualization of Flow Structures around the Front Wheel of a Sedan-type Automobile, Proceedings of the 11th Pacific Symposium on Flow Visualization and Image Processing, PSFVIP11-066, 1-7, 20171201
  27. Aerodynamics Simulation of a Sedan-type Road Vehicle in Cornering Motion with Roll Angl, Proceedings of 34th AIAA Applied Aerodynamics Conference, AIAA 2016-3726, 20160701

Invited Lecture, Oral Presentation, Poster Presentation

  1. Unsteady aerodynamics of automobile under real-world conditions, Takuji Nakashima, The 20th International Conference of Fluid Power and Mechatronic Control Engineering (ICFPMCE 2019), 2019/11/10, With Invitation, Editorial Department of International Journal of Hydromechatronics, Jiaxing, Zhejiang, China
  2. Wake Structure Response of Automobile to Yaw Angle Change Causing Significant Aerodynamic Drag Increase, Takuji NAKASHIMA, Keigo SHIMIZU, Koumei HAMAMURA, Yusuke NAKAMURA, Takenori HIRAOKA, Takahide NOUZAWA, Yasuaki DOI, 2019 JSAE congress (spring), 2019/05/24, Without Invitation, Society of Automotive Engineers of Japan, Inc., Yokohama, Kanagawa, Japan
  3. Numerical analysis and aerodynamic research on a flow around a tire - Literature review and examples -, Takuji NAKASHIMA, Syuhei MITA, Keigo SHIMIZU, Takenori HIRAOKA, Yusuke NAKAMURA, Takahide NOUZAWA, JSAE Symposium "The latest CFD for tire aerodynamics - Mysterious world around rotating tires -", 2019/03/22, Without Invitation, Society of Automotive Engineers of Japan, Inc., Shinzyuku, Tokyo, Japan
  4. Numerical Analysis on Aerodynamic Drag Change of a Simplified Vehicle Model Influenced by a Vehicle Running in the Adjacent Lane, Takuji NAKASHIMA, Keigo SHIMIZU, Kyohei MATSUURA, Takenori HIRAOKA, Yusuke NAKAMURA, Takahide NOWZAWA, 2018 JSAE Congress (spring), 2018/05/25, Without Invitation, Society of Automotive Engineers of Japan, Inc., Yokohama, Kanagawa, Japan.
  5. Unsteady Aerodynamics Simulation of Automobile with Dynamic Steering Input Considering a Rolling Motion, 2017/05/31, Without Invitation
  6. Towing-tank measurement for the transient aerodynamics of road vehicles in real-world motion, Takuji Nakashima, Makoto Tsubokura, Tagung: Fahrzeug-Aerodynamik - Neue Chancen und Perspektiven für die Kraftfahrzeugaerodynamik durch CO2-Gesetzgebung und Energiewende, 2016/07/05, With Invitation, HAUS DER TECHNIK, Munich, Germany

Patented

  1. Patent, 6502004, 2019/03/29