Yoshinori Shiihara  

Ph D (Eng.)
Assistant professor, Institute of Industrial ScienceThe University of Tokyo

Address: Be302 Yoshikawa lab., Institute of Industrial Science, The University of Tokyo, 4-6-1 
                 Komaba, Meguro-ku, Tokyo, Japan 

e-mail: nori[at]telu.iis.u-tokyo.ac.jp


Research interests

Ab initio calculation, Lattice defects, Nano-scale strain and stress, Parallel computing, Finite element method, 
Particle method, Composite material

Professional affiliations
The Japan Society of Mechanical EngineeringThe Japan Institute of Metals and Materials 


Professional experience

Jan. 2009 - Present   Assistant professor, Insititute of Industrial Science, The University of Tokyo

Jan. 2008 - Dec. 2008   Postdoctoral researcher, Research institute of Computational Sciences, AIST

Jan. 2007 - Dec. 2007   Postdoctoral researcher, Insititute of Industrial Science, The University of Tokyo


Education

The University of Tokyo, Tokyo
Ph D Engineering, Mar 2007
Dissertations: “Development of ab initio band-by-band finite element method for large metallic systems”

The University of Tokyo, Tokyo
MS Engineering, Mar 2004
Thesis: “Development of strong-coupling density functional theory based on finite element method”
 
The University of Tokyo, Tokyo
BS Engineering, Mar 2002


Teaching experience


Publications 

Peer-reviewed article
  1. S. Bidhar, O. Kuwazuru, Y. Shiihara, Y. Hangai, T. Utsunomiya, I. Watanabe, and N. Yoshikawa, (Submitted)
  2. H. W, Wang, M. Kohyama, S. Tanaka, and Y. Shiihara, "First-Principles Study of Si and Mg Segregation in Grain Boundaries in Al and Cu: Application of Local-Energy Decomposition", (Submitted)
  3. S. Bidhar, O. Kuwazuru, Y. Shiihara, Y. Hangai, T. Utsunomiya, I. Watanabe, and N. Yoshikawa, "Practical Application of Empirical Formulation  of the Stress Concentration Factor around  Equally Sized Dual Spherical Cavities to Aluminum Die cast", Appl. Math. Model., Accepted (2014).
  4. Y. Shiihara, M. Sato, I. Iwai, N. Yoshikawa, "Microrelief suppresses large wrinkling appearance: an in silico study", Skin Res. Tech., Accepted (2014).
  5. S. Kr Bhattacharya, M. Kohyama, S. Tanaka, and Y. Shiihara, "Si segregation at Fe grain boundaries analyzed by ab initio local energy and local stress", J. Phys. Consensed Mater., (Accepted) (2014).
  6.  S. Kr Bhattacharya, S. Tanaka, Y. Shiihara, and M. Kohyama, "Ab initio perspective of the <110> symmetrical tilt grain boundaries in bcc Fe: application of local energy and stress", J. Mater. Sci. ,  published online (16p), (2014).
  7. H. W, Wang, M. Kohyama, S. Tanaka, and Y. Shiihara, "Ab initio local energy and local stress: application to tilt and twist grain boundaries in Cu and Al", J. Phys: Condens. Matter, 25, 305006 (13p), (2013).
  8. S. Kr Bhattacharya, S. Tanaka, Y. Shiihara, and M. Kohyama, "Ab initio study of symmetrical tilt grain boundaries in bcc Fe: structural units, magnetic moments, interfacial bonding, local energy and local stress", J. Phys: Condens. Matter,25, 135004 (14p), (2013).
  9. Y. Shiihara, M. Kohyama, and S. Ishibashi, "Origin of surface stress on late transition metal surfaces: Ab initio local stress and tight-binding model", Phys. Rev. B, 87, 125430 (6p), (2013).
  10. Y. Shiihara and N. Yoshikawa, "Shear Deformation of Diamond Crystals: Topology Analysis of Electron Density", J. Solid Mech. Mater. Eng., 6, pp. 81-89 (2012).
  11. Y. Umeno, Y. Shiihara and N. Yoshikawa, "Ideal shear strength under compression and tension in C, Si, Ge, and cubic SiC: an ab initio density functional theory study", J. Phys: Condens. Matter., 23, 385401 (6p), (2011).
  12. O. Kuwazuru, Y. Murata, T. Utsunomiya, Y. Hangai, T. Yano, S. Bidhar, Y. Shiihara, S. Kitahara and N. Yoshikawa, "Quantitative Evaluation of Porosity Effect on Fatigue Strength of High Pressure Die Cast Aluminum Alloy (Part 2, Fatigue Strength Prediction Based on Elastic Stress Field around Pores), Trans. Jpn. Soc. Mech. Eng. A, 77, pp. 48-57 (2011)."
  13.  Y. Shiihara, M. Kohyama, and S. Ishibashi, “Ab initio local stress and its application to Al (111) surfaces”, Phys. Rev. B, 81, 075441 (11p), (2010).
  14. Y. Shiihara, O. Kuwazuru, and N. Yoshikawa, “Real-space Kerker method for self-consistent calculation using non-orthogonal basis functions”, Modelling Simul. Mater. Sci. Eng., 16, 035004 (11p) (2008).
  15. Y. Shiihara, O. Kuwazuru, and N. Yoshikawa, “Error-Convergence Property of Ab-initio Finite-Element Calculation with Curving Grid”, J. Solid Mech. Mater. Eng., 2, pp. 95-104 (2008).
  16. Y. Shiihara, O. Kuwazuru, and N. Yoshikawa, “Real-Space Ab-Initio Calculations on the Basis of Spectral Element Method”, J. Solid Mech. Mater. Eng., 2, pp. 1288-1297 (2008).
  17. Y. Shiihara, O. Kuwazuru, and N. Yoshikawa, “Finite-element-based electronic structure calculation in metal/ceramic interface problems”, Ceram. Eng. Sci. Proc., 26, pp. 261-268 (2005).
Non-peer-reviewed article
  1. Y. Shiihara, O. Kuwazuru and N. Yoshikawa, "A Parallel DFT program on the Basis of Domain-Decomposition FEM", Proceedings of APCOM'07-EPMESC XI (CD-ROM), MS40-3-4 (6p) (2007).
  2. Y. Shiihara, O. Kuwazuru, and N. Yoshikawa, "A Finite element method in first-principles", Proceedings of III European Conference on Computational Mechanics, Solids, Structural and Coupled Problems in Engineering (CD-ROM), (8p) (2006).
Presentations
  1. Y. Shiihara and M. Kohyama, "Ab initio local surface eneregy and stress analysis on transition metals", 2nd International Symposium on Atomistic Modeling for Mechanics and Multiphysics of Materials, Tokyo, Japan (Jul. 2013) .
  2. Y. Shiihara and M. Kohyama, "Ab initio local stress analysis on GaAs/AlAs interface", International Union of Materials ResearchSoci- eties - International Conference on Electronic Materials 2012, Yokohama, Japan (Sep. 2012).
  3. Y. Shiihara, Y. Umeno and N. Yoshikawa, "Shear deformation under normal stress in covalent crystals: Ab initio study", Ultrafine-Grained and Nanostructured Materials 2010, Ufa, Russia (Oct. 2010). 
  4. Y. Shiihara, M. Kohyama, and S. Ishibashi, "Ab initio local stress calculations on fcc (111) metal surfaces", Psi-k 2010 Conference, Berlin, Germany (Sep. 2010) .
  5. Y.Shiihara, M.Kohyama, and S.Ishibashi, "Ab initio local energy analysis on stacking faults in noble metal", 13th International Conference on Intergranular and Boundaries in Materials, Shima, Japan (Jun.-Jul. 2010) .
  6. Y. Shiihara, O. Kuwazuru, and N. Yoshikawa, "A parallel DFT program on the basis of domain-decomposition FEM", Third Asian-Pacific Congress on Computational Mechanics in Conjunction with Eleventh International Conference on Enhancement and Promotion of Computational Methods in Engineering Sciences, Kyoto, Japan (Dec. 2007) .
  7. Y. Shiihara, O. Kuwazuru, and N. Yoshikawa, "A Finite element method in first-principles based on the density functional theory", III European Conference on Computational Mechanics, Solids, Structural and Coupled Problems in Engineering, Lisbon, Portugal (Jun.  2006) .

Grants

[Link to KAKENHI data base (in Japanese)]

[1]  MEXT/JSPS KAKENHI, Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area),
      “Materials Science on Synchronized LPSO Structure -Innovative Development to Next-generation
       Lightweight-structural Materials-“, Publicly offered research: “Interaction between defects on synchronized
       LPSO structure using ab initio local analyses”
       Apr. 2014 - Mar. 2016

[2] MEXT/JSPS KAKENHI, Grant-in-Aid for Young Scientists (B),
     “Atomistic stress and strain near interfaces on self-organized nano structures”
       Apr. 2011 - Mar. 2013


Updated at 14 July 2014