年別の研究成果
年別の研究成果
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2022
A comprehensive investigation of the formulations of the interaction integral method for the evaluation of stress intensity factors of three-dimensional cracks in functionally graded materials
Tabaza, O., Okada, H. & Yusa, Y., 6月 2022, In: Theoretical and Applied Fracture Mechanics. 119, 103297.研究成果: Article › 査読
1 被引用数 (Scopus) -
A crack propagation simulation for a steel CHS T-joint employing an advanced shell-solid finite element modeling
Tanaka, S., Maeda, K., Takahashi, H., Okada, H., Yagi, K. & Osawa, N., 3月 2022, In: Journal of Marine Science and Technology. 27, 1研究成果: Article › 査読
4 被引用数 (Scopus) -
Implementation of balancing domain decomposition method for parallel finite element analysis involving inactive elements
Yusa, Y., Kobayashi, H., Murakami, Y. & Okada, H., 2022, (Accepted/In press) In: International Journal for Numerical Methods in Engineering.研究成果: Article › 査読
1 被引用数 (Scopus) -
2021
A new approach of the interaction integral method with correction terms for cracks in three-dimensional functionally graded materials using the tetrahedral finite element
Tabaza, O., Okada, H. & Yusa, Y., 10月 2021, In: Theoretical and Applied Fracture Mechanics. 115, 103065.研究成果: Article › 査読
2 被引用数 (Scopus) -
2020
3D J-integral evaluation for solids undergoing large elastic–plastic deformations with residual stresses and spatially varying mechanical properties of a material
Okada, H., Ishizaka, T., Takahashi, A., Arai, K. & Yusa, Y., 9月 2020, In: Engineering Fracture Mechanics. 236, 107212.研究成果: Article › 査読
4 被引用数 (Scopus) -
2019
J-integral computation for elastic-plastic materials with spatially varying mechanical properties
Okada, H., Kadowaki, S., Suzuki, M. & Yusa, Y., 15 2月 2019, In: Engineering Fracture Mechanics. 207, p. 181-202 22 p.研究成果: Article › 査読
10 被引用数 (Scopus) -
2018
Effective implementation of tensor operation library for continuum mechanics based on high performance design pattern
Kawai, H., Yusa, Y., Okada, H., Shioya, R., Yamada, T. & Yoshimura, S., 2018, In: Transactions of the Japan Society for Computational Engineering and Science. 2018, 20180012.研究成果: Article › 査読
1 被引用数 (Scopus) -
Mechanisms governing the failure modes of dense vertically cracked thermal barrier coatings
Li, B., Fan, X., Okada, H. & Wang, T., 15 2月 2018, In: Engineering Fracture Mechanics. 189, p. 451-480 30 p.研究成果: Article › 査読
28 被引用数 (Scopus) -
Scalable parallel elastic–plastic finite element analysis using a quasi-Newton method with a balancing domain decomposition preconditioner
Yusa, Y., Okada, H., Yamada, T. & Yoshimura, S., 1 12月 2018, In: Computational Mechanics. 62, 6, p. 1563-1581 19 p.研究成果: Article › 査読
5 被引用数 (Scopus) -
Three-Dimensional Elastic Analysis of a Structure with Holes Using Accelerated Coupling-Matrix-Free Iterative s-Version FEM
Yusa, Y., Okada, H. & Yumoto, Y., 1 8月 2018, In: International Journal of Computational Methods. 15, 5, 1850036.研究成果: Article › 査読
2 被引用数 (Scopus) -
2017
Computational crack propagation analysis with consideration of weld residual stresses
Nose, M., Amano, H., Okada, H., Yusa, Y., Maekawa, A., Kamaya, M. & Kawai, H., 9月 2017, In: Engineering Fracture Mechanics. 182, p. 708-731 24 p.研究成果: Article › 査読
18 被引用数 (Scopus) -
Evaluation of crack propagation behaviors in a T-shaped tubular joint employing tetrahedral FE modeling
Yagi, K., Tanaka, S., Kawahara, T., Nihei, K., Okada, H. & Osawa, N., 1 3月 2017, In: International Journal of Fatigue. 96, p. 270-282 13 p.研究成果: Article › 査読
15 被引用数 (Scopus) -
Mesh-independent data point finite element method (MDP-FEM) for large deformation elastic-plastic problems - An application to the problems of diffused necking
Uomoto, T., Satoh, K., Okada, H. & Yusa, Y., 15 11月 2017, In: Finite Elements in Analysis and Design. 136, p. 18-36 19 p.研究成果: Article › 査読
5 被引用数 (Scopus) -
2016
Computations of stress intensity factors for semi-elliptical cracks with high aspect ratios by using the tetrahedral finite element (fully automated parametric study)
Okada, H., Koya, H., Kawai, H., Li, Y. & Osakabe, K., 1 6月 2016, In: Engineering Fracture Mechanics. 158, p. 144-166 23 p.研究成果: Article › 査読
14 被引用数 (Scopus) -
2015
Analysis of dynamic stress concentration problems employing spline-based wavelet Galerkin method
Tanaka, S., Sannomaru, S., Imachi, M., Hagihara, S., Okazawa, S. & Okada, H., 2015, In: Engineering Analysis with Boundary Elements. 58, p. 129-139 11 p.研究成果: Article › 査読
23 被引用数 (Scopus) -
Development of stress intensity factors for surface cracks with large aspect ratio in plates
Li, Y., Hasegawa, K., Katsumata, G., Osakabe, K. & Okada, H., 1 10月 2015, In: Journal of Pressure Vessel Technology, Transactions of the ASME. 137, 5, 051207.研究成果: Article › 査読
14 被引用数 (Scopus) -
Three-dimensional J-integral evaluation for finite strain elastic-plastic solid using the quadratic tetrahedral finite element and automatic meshing methodology
Koshima, T. & Okada, H., 1 2月 2015, In: Engineering Fracture Mechanics. 135, p. 34-63 30 p.研究成果: Article › 査読
12 被引用数 (Scopus) -
Ultra-large scale fracture mechanics analysis using a parallel finite element method with submodel technique
Arai, K., Yodo, K., Okada, H., Yamada, T., Kawai, H. & Yoshimura, S., 3 8月 2015, In: Finite Elements in Analysis and Design. 105, p. 44-55 12 p.研究成果: Article › 査読
9 被引用数 (Scopus) -
2014
Mixed-mode stress intensity factor evaluation by interaction integral method for quadratic tetrahedral finite element with correction terms
Daimon, R. & Okada, H., 1月 2014, In: Engineering Fracture Mechanics. 115, p. 22-42 21 p.研究成果: Article › 査読
36 被引用数 (Scopus) -
Study on crack propagation simulation of surface crack in welded joint structure
Tanaka, S., Kawahara, T. & Okada, H., 1 12月 2014, In: Marine Structures. 39, p. 315-334 20 p.研究成果: Article › 査読
35 被引用数 (Scopus) -
2013
Analysis of three-dimensional surface cracks in a welded joint structure using the shell-solid mixed method
Tanaka, S., Okazawa, S., Okada, H., Xi, Y. & Ohtsuki, Y., 9月 2013, In: International Journal of Offshore and Polar Engineering. 23, 3, p. 232-239 8 p.研究成果: Article › 査読
9 被引用数 (Scopus) -
Fluid structure interaction simulation in three-layered aortic aneurysm model under pulsatile flow: Comparison of wrapping and stenting
Gao, F., Ueda, H., Gang, L. & Okada, H., 26 4月 2013, In: Journal of Biomechanics. 46, 7, p. 1335-1342 8 p.研究成果: Article › 査読
11 被引用数 (Scopus) -
Fracture mechanics analysis using the wavelet Galerkin method and extended finite element method
Tanaka, S., Okada, H., Okazawa, S. & Fujikubo, M., 9 3月 2013, In: International Journal for Numerical Methods in Engineering. 93, 10, p. 1082-1108 27 p.研究成果: Article › 査読
38 被引用数 (Scopus) -
Fully automated mixed mode crack propagation analyses based on tetrahedral finite element and VCCM (virtual crack closure-integral method)
Okada, H., Kawai, H., Tokuda, T. & Fukui, Y., 2013, In: International Journal of Fatigue. 50, p. 33-39 7 p.研究成果: Article › 査読
26 被引用数 (Scopus) -
Three-dimensional J-integral evaluation for cracks with arbitrary curvatures and kinks based on domain integral method for quadratic tetrahedral finite element
Okada, H. & Ohata, S., 9月 2013, In: Engineering Fracture Mechanics. 109, p. 58-77 20 p.研究成果: Article › 査読
28 被引用数 (Scopus) -
2012
A wavelet Galerkin method employing B-spline bases for solid mechanics problems without the use of a fictitious domain
Tanaka, S., Okada, H. & Okazawa, S., 7月 2012, In: Computational Mechanics. 50, 1, p. 35-48 14 p.研究成果: Article › 査読
31 被引用数 (Scopus) -
Computational study of stented and wrapped aortic aneurysms
Gao, F., Matsuzawa, T. & Okada, H., 24 8月 2012, In: MCB Molecular and Cellular Biomechanics. 9, 2, p. 127-139 13 p.研究成果: Article › 査読
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Preparation of endohedral fullerene containing lithium (Li@C60) and isolation as pure hexafluorophosphate salt ([Li+@C 60][PF6-])
Okada, H., Komuro, T., Sakai, T., Matsuo, Y., Ono, Y., Omote, K., Yokoo, K., Kawachi, K., Kasama, Y., Ono, S., Hatakeyama, R., Kaneko, T. & Tobita, H., 14 11月 2012, In: RSC Advances. 2, 28, p. 10624-10631 8 p.研究成果: Article › 査読
56 被引用数 (Scopus) -
2011
Smoothed particle hydrodynamics analysis on semi-solid metal forming process
Takamiya, H., Okada, H., Sakai, Y. & Fukui, Y., 1 4月 2011, In: Japan Journal of Industrial and Applied Mathematics. 28, 1, p. 183-203 21 p.研究成果: Article › 査読
5 被引用数 (Scopus) -
2010
Development of automated crack propagation analysis system (1st Report, outlines of the system and finite element model generation)
Tokuda, T., Kawai, H., Okada, H. & Fukui, Y., 10月 2010, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 76, 770, p. 1255-1262 8 p.研究成果: Article › 査読
Open Access8 被引用数 (Scopus) -
Development of automated crack propagation analysis system (2nd report, the crack propagation analysis system and finite element model generation for the crack propagation)
Okada, H., Kawai, H., Tokuda, T. & Fukui, Y., 12月 2010, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 76, 772, p. 1681-1688 8 p.研究成果: Article › 査読
Open Access9 被引用数 (Scopus) -
FEM automatic crack propagation analysis system for nuclear power plant using provided welding residual stress and its verification test
Hiroaki, D. O. I., Shibata, S., Inoue, H., Okada, H. & Yagawa, G., 12月 2010, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 76, 772, p. 1527-1532 6 p.研究成果: Article › 査読
Open Access1 被引用数 (Scopus) -
2009
On fracture mechanics analysis using b-spline wavelet galerkin method
Tanaka, S., Okada, H., Okazawa, S. & Fujikubo, M., 3月 2009, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 75, 751, p. 296-303 8 p.研究成果: Article › 査読
Open Access -
2008
A mesh generation technique for three dimensional crack propagation analysis using virtual crack closure-integral method (VCCM) and tetrahedral finite element
Kawai, H., Okada, H. & Araki, K., 6月 2008, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 74, 6, p. 819-826 8 p.研究成果: Article › 査読
Open Access8 被引用数 (Scopus) -
A virtual crack closure-integral method (VCCM) to compute the energy release rates and stress intensity factors based on quadratic tetrahedral finite elements
Okada, H., Kawai, H. & Araki, K., 10月 2008, In: Engineering Fracture Mechanics. 75, 15, p. 4466-4485 20 p.研究成果: Article › 査読
60 被引用数 (Scopus) -
A virtual crack closure-integral method for generalized finite element with drilling and strain degrees of freedoms
Kanda, Y., Okada, H., Iraha, S., Tomiyama, J. & Yagawa, G., 4月 2008, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 74, 4, p. 550-557 8 p.研究成果: Article › 査読
Open Access -
Fracture mechanics parameter computation using tetrahedral finite element with drilling degrees of freedoms (Virtual crack closure integral method for generalized tetrahedral finite element)
Kanda, Y., Okada, H., Iraha, S., Tomiyama, J., Murotani, K. & Yagawa, G., 6月 2008, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 74, 6, p. 837-844 8 p.研究成果: Article › 査読
Open Access1 被引用数 (Scopus) -
On the analysis of stress concentration problems using wavelet Galerkin method (4th report, a technique to examine linear independence of the basis functions)
Tanaka, S. & Okada, H., 6月 2008, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 74, 6, p. 850-857 8 p.研究成果: Article › 査読
Open Access1 被引用数 (Scopus) -
Wear characteristic of semi-solid formed Al-Al3Ni functionally graded material
Fukui, Y., Okada, H., Kumazawa, N. & Watanabe, Y., 7月 2008, In: Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 72, 7, p. 496-502 7 p.研究成果: Article › 査読
Open Access2 被引用数 (Scopus) -
2007
An adaptive wavelet finite element method with high-order B-spline basis functions
Tanaka, S. & Okada, H., 1 1月 2007, In: Key Engineering Materials. 345-346 II, p. 877-880 4 p.研究成果: Article › 査読
1 被引用数 (Scopus) -
Fracture mechanics parameter computation using generalized finite element with drilling degrees of freedom
Kanda, Y., Okada, H., Iraha, S., Tomiyama, J. & Yagawa, G., 2007, In: Doboku Gakkai Ronbunshuu A. 63, 3, p. 464-474 11 p.研究成果: Article › 査読
Open Access3 被引用数 (Scopus) -
On the analysis of stress concentration problems using wavelet galerkin method (3rd report, adaptive analysis)
Tanaka, S. & Okada, H., 1月 2007, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 73, 1, p. 42-49 8 p.研究成果: Article › 査読
Open Access4 被引用数 (Scopus) -
Stress intensity factor evaluation for large scale finite element analyses (virtual crack closure-integral method (VCCM) for mixed mode/complex shaped crack using tetrahedral finite element)
Okada, H., Araki, K. & Kawai, H., 9月 2007, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 73, 9, p. 997-1004 8 p.研究成果: Article › 査読
Open Access6 被引用数 (Scopus) -
Stress intensity factor evaluation for large scale finite element analyses (Virtual Crack Closure-Integral Method (VCCM) for tetrahedral finite element)
Okada, H., Araki, K. & Kawai, H., 4月 2007, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 73, 4, p. 498-505 8 p.研究成果: Article › 査読
Open Access9 被引用数 (Scopus) -
2006
Applications of s-FEM to the problems of composite materials with initial strain-like terms
Tanaka, S., Okada, H., Watanabe, Y. & Wakatsuki, T., 1 12月 2006, In: International Journal for Multiscale Computational Engineering. 4, 4, p. 411-428 18 p.研究成果: Article › 査読
5 被引用数 (Scopus) -
On the analysis of stress concentration problems using wavelet Galerkin method (1st report, mathematical formulations and treatments on external boundaries)
Tanaka, S. & Okada, H., 6月 2006, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 72, 6, p. 856-863 8 p.研究成果: Article › 査読
Open Access6 被引用数 (Scopus) -
On the Analysis of Stress Concentration Problem Using Wavelet Galerkin Method (2nd Report, Using Higher Degree Bsplines as the Basis Functions)
Tanaka, S. & Okada, H., 2006, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 72, 719, p. 982-989 8 p.研究成果: Article › 査読
Open Access5 被引用数 (Scopus) -
2005
Application of S-version finite element method to two dimensional fracture mechanics problems
Okada, H., Endoh, S. & Kikuchi, M., 4月 2005, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 71, 4, p. 677-684 8 p.研究成果: Article › 査読
Open Access3 被引用数 (Scopus) -
A virtual crack closure-integral method (VCCM) for three-dimensional crack problems using linear tetrahedral finite elements
Okada, H. & Kamibeppu, T., 1 12月 2005, In: CMES - Computer Modeling in Engineering and Sciences. 10, 3, p. 229-238 10 p.研究成果: Article › 査読
30 被引用数 (Scopus) -
On fracture analysis using an element overlay technique
Okada, H., Endoh, S. & Kikuchi, M., 3月 2005, In: Engineering Fracture Mechanics. 72, 5, p. 773-789 17 p.研究成果: Article › 査読
57 被引用数 (Scopus)