TAKUJI NAKASHIMA

Last Updated :2021/01/17

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

Basic Information

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, 1Term, Experiments and Analytical Procedures in Transportation Systems
  2. 2020, Undergraduate Education, 2Term, Computer Programming
  3. 2020, Undergraduate Education, First Semester, Computer Aided Design
  4. 2020, Graduate Education (Doctoral Program) , Year, Transportation and Environmental Systems Research IV
  5. 2020, Graduate Education (Doctoral Program) , Academic 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) , 2Term, Special Exercises on Transportation and Environmental Systems A
  11. 2020, Graduate Education (Master's Program) , 1Term, 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. ★, Fluid-Dynamic Force Measurement of Ahmed Model in Steady-State Cornering, ENERGIES, 13(24), 20201214
  2. Harvesting contact-separation-compression vibrations using a flexible and compressible triboelectric generator, SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS, 42, 20201026
  3. ★, Active aerodynamics control of simplified vehicle body in a crosswind condition, JOURNAL OF ENGINEERING-JOE, 2020(14), 1005-1011, 20201102
  4. ★, Modified Algorithms for Fast Construction of Optimal Latin-Hypercube Design, IEEE ACCESS, 8, 191644-191658, 20201019
  5. Numerical re-creation of multi-directional waves in a circular basin using a particle based method, OCEAN ENGINEERING, 209, 20200801
  6. ★, Identification of the vortex around a vehicle by considering the pressure minimum, Journal of Visualization, 20200616
  7. ★, Aerodynamic drag change of simplified automobile models influenced by a passing vehicle, Mechanical Engineering Journal, 7(1), 19-00366, 20200215
  8. Effect of Wavy Leading Edge on Pitching Rectangular Wing, Journal of Aero Aqua Bio-mechanisms, 9(1), 1-7, 20200129
  9. ★, Aerodynamic drag reduction of a simplified vehicle model by promoting flow separation using plasma actuator, Mechanical Engineering Letters, 5, 19-00354, 20191024
  10. 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
  11. ★, Aerodynamic drag change of vehicle model caused by flow hysteresis under fluctuating crosswind, 50(3), 938-944, 2019,5,24
  12. 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
  13. ★, 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
  14. 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
  15. A study on the performance of cascade hard sails and sail-equipped vessels, OCEAN ENGINEERING, 98, 23-31, 20150401
  16. ★, Aerodynamic force acting on a road vehicle in steady-state cornering, Transactions of the JSME (in Japanese), 80(818), FE0009, 20141025
  17. On the Transient Aerodynamic Response of Road Vehicles Subjected to Crosswind Gust and Its Shape Dependence, TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 79(806), 2077-2092, 20131001
  18. Aerodynamic stability of road vehicles in dynamic pitching motion, JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS, 122, 146-156, 201311
  19. ★, Coupled analysis of unsteady aerodynamics and vehicle motion of a road vehicle in windy conditions, COMPUTERS & FLUIDS, 80, 1-9, 20130710
  20. 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
  21. Numerical quantification of aerodynamic damping on pitching of vehicle-inspired bluff body, JOURNAL OF FLUIDS AND STRUCTURES, 30, 188-204, 201204
  22. 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
  23. 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
  24. Numerical Simulation around Rectangular Wings with Wavy Leading Edge, Journal of the Japan Society of Naval Architects and Ocean Engineers, 12, 33-41, 20101201
  25. 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
  26. Computational visualization of unsteady flow around vehicles using high performance computing, COMPUTERS & FLUIDS, 38(5), 981-990, 200905
  27. ★, 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
  28. 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
  29. 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
  30. Experimental Investigation of Stall Delay by Wavy Leading Edges of 3-Dimensional Wing, Journal of the Japan Society of Naval Architects and Ocean Engineers, 9, 55-62, 20090601
  31. 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
  32. ★, Numerical Analysis on Wind Drag Reduction of Accommodation House with Square Corner Cut and Step Shaped Geometries, Journal of the Japan Society of Naval Architects and Ocean Engineers, 6, 131-134, 20080401
  33. Fuel Regression Characteristics of Cascaded Multistage Impinging-Jet (CAMUI) Type Hybrid Rocket, JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, 55(646), 516-526, 20071201
  34. HIGH PERFORMANCE LES ON EARTH SIMULATOR: A CHALLENGE FOR VEHICLE AERODYNAMICS, F2006M111T, 20070901
  35. ★, Numerical Prediction of Turbulent Combustion Flows in Staged Combustor Using LES and Extended G-Equation, 34(3), 226-234, 20060501

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, English, 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, Japanese, 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, Japanese, 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, Japanese, 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, Japanese
  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, English, HAUS DER TECHNIK, Munich, Germany

Patented

  1. Patent, 6502004, 2019/03/29