Yoshifumi Kobayashi
Aoyama Gakuin University
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Featured researches published by Yoshifumi Kobayashi.
Archive | 2011
Satoru Yoneyama; Shuichi Arikawa; Yoshifumi Kobayashi
An experimental-numerical hybrid method for determining stress components in photoelasticity is proposed in this study. Boundary conditions for a local finite element model, that is, tractions along boundaries are inversely determined from photoelastic fringes. The tractions can be obtained by the method of linear least-squares from both principal stress difference and principal direction. On the other hand, the tractions can also be determined only from the principal stress difference if nonlinear least-squares is used. After determining the boundary conditions for the local finite element model, the stresses can be obtained by finite element direct analysis. The effectiveness of the proposed method is validated by analyzing the stresses in a perforated plate under tension. Results show that the boundary conditions of the local finite element model can be determined from the photoelastic fringes and then the individual stresses can be obtained by the proposed method.
Engineering Fracture Mechanics | 2007
Satoru Yoneyama; Takeshi Ogawa; Yoshifumi Kobayashi
Archive | 2002
Koichi Shimizu; Frederic Caillaud; Kazumi Tani; Yoshifumi Kobayashi
Isij International | 1994
Kazumi Tani; Tomoki Tomita; Yoshifumi Kobayashi; Yasuyuki Takatani; Yoshio Harada
Experimental Mechanics | 2012
Satoru Yoneyama; Shuichi Arikawa; Yoshifumi Kobayashi
Journal of The Society of Materials Science, Japan | 2009
Tomoyuki Nakayama; Kenichi Sakaue; Takeshi Ogawa; Yoshifumi Kobayashi; Takema Teratani
Journal of The Society of Materials Science, Japan | 1997
Takeshi Ogawa; Keiro Tokaji; Toshikatsu Ejima; Yoshifumi Kobayashi; Yoshio Harada
Journal of The Society of Materials Science, Japan | 1996
Takeshi Ogawa; Keiro Tokaji; Jeong Ung Hwang; Toshikatsu Ejima; Yoshifumi Kobayashi; Yoshio Harada
Transactions of the Japan Society of Mechanical Engineers. A | 2010
Hironari Okada; Yoshihiko Uematsu; Takema Teratani; Yoshifumi Kobayashi; Yoshio Harada
Transactions of the Japan Society of Mechanical Engineers. A | 2009
Hironari Okada; Yoshihiko Uematsu; Keiro Tokaji; Yoshifumi Kobayashi; Yoshio Harada