Takeshi Ohtsuka
Gunma University
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Publication
Featured researches published by Takeshi Ohtsuka.
Journal of Scientific Computing | 2015
Takeshi Ohtsuka; Yen-Hsi Richard Tsai; Yoshikazu Giga
We introduce a new level set method to simulate motion of spirals in a crystal surface governed by an eikonal–curvature flow equation. Our formulation allows collision of several spirals and different strength (different modulus of Burgers vectors) of screw dislocation centers. We represent a set of spirals by a level set of a single auxiliary function
Interfaces and Free Boundaries | 2006
Yoshikazu Giga; Takeshi Ohtsuka; Reiner Schätzle
Mathematics for Nonlinear Phenomena: Analysis and Computation: International Conference in Honor of Professor Yoshikazu Giga on his 60th Birthday | 2015
Takeshi Ohtsuka
u
Asymptotic Analysis | 2008
Takeshi Ohtsuka
Preprint Series of Department of Mathematics, Hokkaido University | 2002
Takeshi Ohtsuka
u minus a pre-determined multi-valued sheet structure function
Discrete and Continuous Dynamical Systems - Series S | 2011
Takeshi Ohtsuka; Ken Shirakawa; Noriaki Yamazaki
Indiana University Mathematics Journal | 2008
Shun'ichi Goto; Maki Nakagawa; Takeshi Ohtsuka
\theta
Crystal Growth & Design | 2018
Takeshi Ohtsuka; Yen-Hsi Richard Tsai; Yoshikazu Giga
Preprint Series of Department of Mathematics, Hokkaido University | 2012
Takeshi Ohtsuka; Yen-Hsi Richard Tsai; Yoshikazu Giga
θ, which reflects the strength of spirals (screw dislocation centers). The level set equation used in our method for
arXiv: Analysis of PDEs | 2018
Yoshikazu Giga; Hiroyoshi Mitake; Takeshi Ohtsuka; Tran Hung V.
