Ikumu Watanabe @ NIMS  
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International Journal
  • Characterization of yielding behavior of polycrystalline metals with single crystal plasticity based on representative characteristic length , I. Watanabe, D. Setoyama, N. Iwata and K. Nakanishi, International Journal of Plasticity, pp.570-585, Vol.26, 2010.
  • A method of predicting macroscopic yield strength of polycrystalline metals subjected to plastic forming by micro-macro de-coupling scheme, I. Watanabe and K. Terada, International Journal of Mechanical Science, pp.343-355, Vol.52, 2010.
  • Characterization of macroscopic tensile strength of polycrystalline metals with two-scale finite element analysis, I. Watanabe, K. Terada, E. A. de Souza Neto and D. Peric, Journal of Mechanics and Physics in Solids, pp.1105-1125, Vol.56, 2008.
  • Computational aspects of tangent moduli tensors in rate-independent crystal elastoplasticity, K. Terada and I. Watanabe, Computational Mechanics, pp.497-511, Vol.40, 2007.
  • Effects of shape and size of crystal grains on the strengths of polycrystalline metals, K. Terada, I. Watanabe and M. Akiyama, International Journal for Multiscale Computational Engineering, pp.445-460, Vol.4, 2006.
  • Two-scale analysis for deformation-induced anisotropy of polycrystalline metals, I. Watanabe, K. Terada and M. Akiyama, Computational Materials Science, pp.240-250, Vol.32-2, 2005.
International Conference
  • Thermodynamic formulation of elastoplastic constitutive model with subloading surface at finite strain, I. Watanabe and N. Iwata, International Symposium on Plasticity, Puerto Vallarta, Mexico, 2010(keynote).
  • Simultaneous evaluation of process and material with two-scale finite element analysis, I. Watanabe and K. Terada, International Conference on Advanced Steels, Guilin, China, 2010.
  • Numerical modeling of material behavior of steel, I. Watanabe, N. Iwata, K. Nakanishi and K. Terada, Symposium in Memory of Professor Toshio Mura, Evanston, U.S., 2010(invited).
  • Numerical material testing of polycrystalline metals for strength evaluation, I. Watanabe, K. Terada, N. Iwata and K. Nakanishi, 2nd International Workshops on Advances in Computational Mechanics, Yokohama, Japan, 2010(invited).
  • Numerical evaluation of mechanical behavior of ferrite-pearlite steel, I. Watanabe, D. Setoyama, T. Iwata, N. Iwata and K. Nakanishi, The 2nd International Symposium on Steel Science, Kyoto, Japan, 2009.
  • Numerical material testing for strength evaluation of polycrystalline metals, K. Terada and I. Watanabe, The 4th International Conference on Multiscale Materials Modeling, Florida, U.S., 2008(invited).
  • A study of a fully implicit integration algorithm for a rate-independent single crystal plasticity with dislocation density, I. Watanabe, D. Setoyama, N. Iwata and K. Nakanishi, The 8th World Congress on Computational Mechanics, Venice, Italy, 2008.
  • Multi-scale characterization of macroscopic tensile strength of polycrystalline metals and its size dependency, I. Watanabe, K. Terada, E. A. de Souza Neto and D. Peric, The 3rd Asian-Pacific Association for Computational Mechanics, Kyoto, Japan, 2007.
  • Micro-macro decoupled metal forming analyses for strength characterization, K. Terada, I. Watanabe and H. Tabata, The 3rd Asian-Pacific Association for Computational Mechanics, Kyoto, Japan, 2007.
  • A study of intragranular deformation effect on macroscopic strength in two-scale finite element analysis for polycrystalline metals, I. Watanabe, K. Terada, E. A. de Souza Neto and D. Peric, International Conference on Computational Methods, Hiroshima, Japan, 2007(invited).
  • Multiscale characterization of yield and tensile strengths of polycrystalline metal involving damage, K. Terada, I. Watanabe and M. Akiyama, The 7th World Congress on Computational Mechanics, Los Angeles, U.S., 2006.
  • Elastic-plastic-damage constitutive model for single crystal and its application to two-scale finite element analysis, I. Watanabe and K. Terada, The 7th World Congress on Computational Mechanics, Los Angeles, U.S., 2006.
  • Macro- and micro-scale consistent tangent moduli for two-scale finite element analysis with finite strain crystal plasticity, I. Watanabe, K. Terada, The 8th U.S. National Congress on Computational Mechanics, Austin, U.S., 2005.
  • Non-local multiscale strength characterization of polycrystalline metals, K. Terada and I. Watanabe, International Workshops on Advances in Computational Mechanics, Tokyo, Japan, 2004(invited).
  • Two-scale characterization of deformation induced anisotropy of polycrystalline metals, I. Watanabe, K. Terada, K. Matsui, M. Akiyama and Y. Neishi, The 8th International Conference on Numerical Methods in Industrial Forming Processes, Columbus, U.S., 2004.
Publication
  • A homogenization-based prediction method of macroscopic yield strength of polycrystalline metals subjected to cold-working, K. Terada, I. Watanabe, M. Akiyama, S. Kimura and K. Kuroda, in "Multi-scale and advanced materials modeling", Vaz and de Souza Neto eds., Wiley & Sons Inc., Ch.10, pp.379-412, 2010.