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Featured researches published by Hiroaki Osaki.


Archive | 2006

3D Crack Propagation Analysis Using Free Mesh Method

Hiroaki Osaki; Hitoshi Matsubara; Genki Yagawa

The Free Mesh Method (FMM) is a kind of meshless method in the sense that the user can get the solution without the consciousness of meshing process. Also, the solution obtained by using the FMM is equivalent to that of the FEM. On the other hand, the computational fracture mechanics requires frequent re-meshing as the crack propagates. Therefore, the Free Mesh Method (FMM) is considered to be useful in the crack propagation analysis. In this paper, in order to show the effectiveness of the FMM in crack propagation analysis, we study the 2D and 3D crack propagation problems with the FMM. The crack propagation is simulated here according to the Erdogan-Sih Criterion and the Paris law.


Transactions of the Japan Society of Mechanical Engineers. A | 2010

Positioning of Crack Arrester Using Hierarchical Neural Network and Crack Propagation Analysis

Hiroaki Osaki; Yasushi Nakabayashi; Genki Yagawa; Young-Jin Kim


Theoretical and applied mechanics Japan | 2010

Application of Crack Propagation Simulation to Crack Arrester

Hiroaki Osaki; Yasushi Nakabayashi; Genki Yagawa; Young-Jin Kim


The Proceedings of the Materials and Mechanics Conference | 2009

OS0207 Evaluation of the crack arrester using the neural network in three point bending analysis

Hiroaki Osaki; Yasushi Nakabayashi; Genki Yagawa; Yong Jin Kim


The Proceedings of The Computational Mechanics Conference | 2009

1308 Simulation of crack propagation arrestability by a circular hole using neural network in an internal crack

Hiroaki Osaki; Yasushi Nakabayashi; Genki Yagawa; Young-Jin Kim


The Proceedings of the Materials and Mechanics Conference | 2008

GS1001 Evaluation of the crack propagation in 2D plate with a hole using neural network

Hiroaki Osaki; Yasushi Nakabayashi; Genki Yagawa


The Proceedings of The Computational Mechanics Conference | 2008

739 Simulation of crack propagation arrestability by a circular hole using a neural network

Hiroaki Osaki; Yasushi Nakabayashi; Genki Yagawa


The Proceedings of Conference of Kanto Branch | 2008

21202 Prediction of the crack propagation direction with neural network

Hiroaki Osaki; Yasushi Nakabayashi; Genki Yagawa


The Proceedings of the Materials and Mechanics Conference | 2007

626 Control of crack propagation with neural network

Hiroaki Osaki; Yasushi Nakabayashi; Genki Yagawa


The Proceedings of The Computational Mechanics Conference | 2007

1022 Control of crack propagation using free mesh method and neural network

Hiroaki Osaki; Yasushi Nakabayashi; Genki Yagawa

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Hitoshi Matsubara

Japan Atomic Energy Agency

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