Kyushu University Academic Staff Educational and Research Activities Database
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Shigeki YASHIRO Last modified date:2017.06.01

Associate Professor / Aerospace Structures and Structural Dynamics Laboratory
Department of Aeronautics and Astronautics
Faculty of Engineering


Graduate School
Undergraduate School


Homepage
http://www.aero.kyushu-u.ac.jp/svl/en/
Academic Degree
Doctor of Engineering
Field of Specialization
Mechanics of composite materials and structures
Outline Activities
Research activities
1. Prediction of mechanical properties of composite materials.
2. Static and dynamic failure of composite materials.
3. Prediction of the molding process of composite materials.

Academic activities
Undergraduate education: Theory of Elasticity #1, Theory of Elasticity #2, Experiments for Aerospace Engineering
Graduate education: Computational Structural Mechanics (will be held in fy2018)
Research
Research Interests
  • A new test method for interlaminar fracture toughness of composites
    keyword : Composite materials, Delamination, Interlaminar fracture toughness, Testing method
    2016.04.
  • Strength evaluation considering complex microstructure of composites
    keyword : Discontinuous fiber-reinforced composites, Microstructure, Numerical analysis
    2015.04.
  • Prediction of manufacturing process of composite structural components
    keyword : Composite materials, Injection molding, Resin transfer molding (RTM), Microstructure, Numerical analysis
    2009.04.
  • Modeling of out-of-plane impact events on composites
    keyword : Composite materials, Impact, damage, Numerical analysis
    2007.04.
  • Prediction of static and fatigue damage progress in composites
    keyword : Composite materials, Damage, Delamination, Finite-element analysis
    2002.04.
  • Damage monitoring of composites using optical fiber sensors
    keyword : Composite materials, Delamination, Structural health monitoring, Inverse analysis
    1998.04~2017.03.
  • Visualizing technology for the ultrasound propagation
    keyword : Nondestructive testing, Ultrasonic testing
    2006.04~2010.03.
Academic Activities
Books
1. Shigeki YASHIRO, Keiji Ogi, High-velocity impact damage in CFRP laminates. In: Vadim V. Silberschmidt, editor. Dynamic Deformation, Damage and Fracture in Composite Materials and Structures, Woodhead Publishing, Chapter 7 (pp. 169-191), 2016.02.
Papers
1. Shigeki Yashiro, Jumpei Wada, Yoshihisa Sakaida, A monitoring technique for disbond area in carbon fiber–reinforced polymer bonded joints using embedded fiber Bragg grating sensors: Development and experimental validation, Structural Health Monitoring-An International Journal, 16, 2, 2017.03.
2. Shigeki Yashiro, Application of particle simulation methods to composite materials: A review, Advanced Composite Materials, 26, 1, 2017.01.
3. Shigeki Yashiro, Yoshihisa Sakaida, Yoshinobu Shimamura, Yoku Inoue, Evaluation of interfacial shear stress between multi-walled carbon nanotubes and epoxy based on strain distribution measurement using Raman spectroscopy, Composites Part A, 85, 2016.06.
4. Shigeki Yashiro, Tomonaga Okabe, Smoothed particle hydrodynamics in a generalized coordinate system with a finite-deformation constitutive model, International Journal for Numerical Methods in Engineering, 103, 11, 2015.09.
5. Shigeki Yashiro, Keiji Ogi, Akinori Yoshimura, Yoshihisa Sakaida, Characterization of high-velocity impact damage in CFRP laminates: Part II- prediction by smoothed particle hydrodynamics, Composites Part A, 56, 2014.01.
6. Shigeki Yashiro, Keiji Ogi, Tsukasa Nakamura, Akinori Yoshimura, Characterization of high-velocity impact damage in CFRP laminates: Part I- experiment, Composites Part A, 48, 2013.05.
7. Shigeki Yashiro, Hideaki Sasaki, Yoshihisa Sakaida, Particle simulation for predicting fiber motion in injection molding of short-fiber-reinforced composites, Composites Part A, 43, 10, 2012.10.
8. Shigeki Yashiro, Keiji Ogi, Masashi Oshita, High-velocity impact damage behavior of plain-woven SiC/SiC composites after thermal loading, Composites Part B, 43, 3, 2012.04.
9. Shigeki Yashiro, Tomonaga Okabe, Estimation of fatigue damage in holed composite laminates using an embedded FBG sensor, Composites Part A, 42, 12, 2011.12.
10. Shigeki Yashiro, Tomonaga Okabe, Kisa Matsushima, A numerical approach for injection molding of short-fiber-reinforced plastics using a particle method, Advanced Composite Materials, 20, 6, 2011.11.
11. Shigeki Yashiro, Nobuyuki Toyama, Junji Takatsubo, Tetsuro Shiraishi, Laser-generation based imaging of ultrasonic wave propagation on welded steel plates and its application to defect detection, Materials Transactions, 51, 11, 2010.11.
12. Shigeki Yashiro, Keiji Ogi, Toshihiro Yamamoto, Takahiro Watanabe, A simple approach for determining the characteristic distance in the point stress criterion for holed CFRP unidirectional laminates, Advanced Composite Materials, 19, 3, 2010.07.
13. Shigeki Yashiro, Tomonaga Okabe, Numerical prediction of fatigue damage progress in holed CFRP laminates using cohesive elements, Journal of Solid Mechanics and Materials Engineering, 3, 11, 2009.11.
14. Shigeki Yashiro, Keiji Ogi, Fracture behavior in CFRP cross-ply laminates with initially cut fibers, Composites Part A, 40, 6-7, 2009.06.
15. Shigeki Yashiro, Junji Takatsubo, Nobuyuki Toyama, Tomonaga Okabe, Nobuo Takeda, Nondestructive evaluation of holed CFRP laminates by a new technique to visualize propagation of ultrasonic waves, Journal of Solid Mechanics and Materials Engineering, 2, 3, 2008.03.
16. Shigeki Yashiro, Junji Takatsubo, Hidekazu Miyauchi, Nobuyuki Toyama, A novel technique for visualizing ultrasonic waves in general solid media by pulsed-laser scan, NDT & E International, 41, 2, 2008.03.
17. Shigeki Yashiro, Junji Takatsubo, Nobuyuki Toyama, An NDT technique for composite structures using visualized Lamb-wave propagation, Composites Science and Technology, 67, 15-16, 2007.12.
18. Shigeki Yashiro, Kazue Murai, Tomonaga Okabe, Nobuo Takeda, Numerical study for identifying damage in open-hole composites with embedded FBG sensors and its application to experiment results, Advanced Composite Materials, 16, 2, 2007.03.
19. Shigeki Yashiro, Nobuo Takeda, Inverse analysis for estimating damage patterns in notched composite laminates using an embedded FBG sensor, Journal of Solid Mechanics and Materials Engineering, 1, 3, 2007.03.
20. Shigeki Yashiro, Tomonaga Okabe, Nobuo Takeda, Damage identification in a holed CFRP laminate using a chirped fiber Bragg grating sensor, Composites Science and Technology, 67, 2, 2007.02.
21. Shigeki Yashiro, Tomonaga Okabe, Nobuyuki Toyama, Nobuo Takeda, Monitoring damage in holed CFRP laminates using embedded chirped FBG sensors, International Journal of Solids and Structures, 44, 2, 2007.01.
22. Shigeki Yashiro, Nobuo Takeda, Tomonaga Okabe, Hideki Sekine, A new approach to predicting multiple damage states in composite laminates with embedded FBG sensors, Composites Science and Technology, 65, 3-4, 2005.03.
Membership in Academic Society
  • The Japan Society for Aeronautical and Space Sciences
  • The Society of Materials Science, Japan
  • Japan Society for Composite Materials
  • The Japan Society of Mechanical Engineers
Awards
  • JSMS Award for Promising Researchers, The Society of Materials Science, Japan. 2015.05.
  • JCOM Award for Promising Researchers, JSMS Committee on Composite Materials. 2015.05.
  • JCOM Award for Scientific Papers, JSMS Committee on Composite Materials. 2014.06.
  • Hayashi Award, The Japan Society for Composite Materials. 2011.05.
  • JSME Young Engineers Award, The Japan Society of Mechanical Engineers. 2009.04.
  • JCOM Award for Scientific Papers, JSMS Committee on Composite Materials. 2009.03.
  • Advanced Technology Award, The Visualization Society of Japan. 2007.07.
  • Best Paper Award, The Japan Society for Composite Materials. 2007.05.