Member

Faculty

Student

Publication

<2024>
160. Kaiwen Li, Gota Kikugawa, Yoshiaki Kawagoe, Yinbo Zhao, and Tomonaga Okabe, "Determination of interaction parameters in a bottom-up approach employed in reactive dissipative particle dynamics simulation for thermosetting polymers", Soft Matter, Accepted.
159. Yuuki Kinugawa, Yoshiaki Kawagoe, Kota Oine, Kazuki Ryuzono, Yamato Hoshikawa, and Tomonaga Okabe, "Experiment-free multiscale simulation of residual deformation in non-crimp fabric composites", Advanced Composite Materials, Accepted.
158. Yoshiko Nagumo, Miyu Hamanaka, Keiichi Shirasu, Kazuki Ryuzono, Akinori Yoshimura, Hironori Tohmyoh and Tomonaga Okabe, "Fracture mechanism of carbon fiber-reinforced thermoplastic composite laminates under compression after impact", Journal of Composite Materials, First published online March 12, 2024. PDF file
https://doi.org/10.1177/00219983241240622
157. Yinbo Zhao, Gota Kikugawa, Keiichi Shirasu, Yoshiaki Kawagoe, Tomonaga Okabe, "Constructing and characterizing various multi-component crosslinked epoxy resins based on molecular dynamics simulations with a curing reaction model", Polymer 297 (2024) 126817. PDF file
https://doi.org/10.1016/j.polymer.2024.126817
156. Tomohiro Miyata, Yohei K. Sato, Yoshiaki Kawagoe, Keiichi Shirasu, Hsiao-Fang Wang, Akemi Kumagai, Sora Kinoshita, Masashi Mizukami, Kaname Yoshida, Hsin-Hui Huang, Tomonaga Okabe, Katsumi Hagita, Teruyasu Mizoguchi, and Hiroshi Jinnai, "Effect of Inorganic Material Surface Chemistry on Structures and Fracture Behaviours of Epoxy Resin", Nature Communications (2024) 15:1898. PDF file
https://doi.org/10.1038/s41467-024-46138-6
155. Yoshiaki Kawagoe, Gota Kikugawa, Keiichi Shirasu, Yuuki Kinugawa, Tomonaga Okabe, "Dissipative particle dynamics simulation for reaction-induced phase separation of thermoset/thermoplastic blend", The Journal of Physical Chemistry B 2024, 128, 2018−2027. PDF file
https://doi.org/10.1021/acs.jpcb.3c07756
154. Yoshinori Tomiyoshi, Yutaka Oya, Toshihiro Kawakatsu and Tomonaga Okabe, "Reaction-induced morphological transitions in a blend of diblock copolymers and reactive monomers: dissipative particle dynamics simulation", Soft Matter, 2024, 20, 124–132. PDF file
https://doi.org/10.1039/d3sm00959a
153. Keiichi Shirasu, Yudai Yamaguchi, Yamato Hoshikawa, Gota Kikugawa, Hironori Tohmyoh and Tomonaga Okabe, "Micromechanics study of short carbon fiber-reinforced thermoplastics fabricated via 3D printing using design of experiments", Materials Science & Engineering A 891 (2024) 145971. PDF file
https://doi.org/10.1016/j.msea.2023.145971
152. Yingxiao Xi, Hironobu Fukuzawa, Shoji Fukunaga, Gota Kikugawa, Yinbo Zhao, Yoshiaki Kawagoe, Tomonaga Okabe, Naoki Kishimoto, "Development of cat-GRRM/MC/MD method for the simulation of crosslinked network structure formation with molecular autocatalysis", Journal of Molecular Catalysis, Volume 552, January 2024, 113680. PDF file
https://doi.org/10.1016/j.mcat.2023.113680
<2023>
151. Tomohiro Miyata, Hsiao-Fang Wang, Daisuke Watanabe, Yoshiaki Kawagoe, Tomonaga Okabe, Hiroshi Jinnai, "In-Situ Shearing Process Observation System for Soft Materials via Transmission Electron Microscopy ", Microscopy, 2023, 00(00), 1-7. PDF file
https://doi.org/10.1093/jmicro/dfad045
150. Tadashi Watanabe, Yoshiaki Kawagoe, Keiichi Shirasu, and Tomonaga Okabe, "Multiscale model for failure prediction of carbon-fiber-reinforced composites under off-axis load", International Journal of Solids and Structures 283 (2023) 112489. PDF file
https://doi.org/10.1016/j.ijsolstr.2023.112489
149. Tomoki YAMAZAKI, Yoshiaki ABE and Tomonaga OKABE, "Long-term two-dimensional analysis of the flow field around a hovering flapping flat-plate wing", Journal of Fluid Science and Technology, Vol.18, No.2 (2023). PDF file
https://doi.org/10.1299/jfst.2023jfst0026
148. Yamato Hoshikawa, Keiichi Shirasu, Ryo Higuchi, Yoshiaki Kawagoe, Hironori Tohmyoh, Tomonaga Okabe, "Experimental and numerical investigation of the relationship between material defects and elastoplasticity behavior of 3D-printed carbon-fiber-reinforced thermoplastics under compressive loading", Composites Science and Technology 241 (2023) 110116. PDF file
https://doi.org/10.1016/j.compscitech.2023.110116
147. Yoshiaki Kawagoe and Tomonaga Okabe, "Evaluations of atomic-resolution strain fields using molecular dynamics simulations combined with corrected smoothed particle hydrodynamics", Computational Materials Science 228 (2023) 112333. PDF file
https://doi.org/10.1016/j.commatsci.2023.112333
146. Sota Onodera, Kazuki Ryuzono, Shigeki Yashiro, Tomonaga Okabe, "Three-Dimensional Analytical Model for Composite Laminate with Transverse Cracks by Assuming Parabolic Crack Opening Advanced Composite Materials", Advanced Composite Materials,Volume 32, 2023 - Issue 6. PDF file
https://doi.org/10.1080/09243046.2023.2167481
<2022>
145. Yoshiaki Kawagoe, Ryohei Chino, Satori Tsuzuki, Eri Itoh, and Tomonaga Okabe, "Analyzing Stochastic Features in Airport Surface Traffic Flow Using Cellular Automaton: Tokyo International Airport", IEEE Access ( Volume: 10) 95344 - 95355. PDF file
https://doi.org/10.1109/ACCESS.2022.3204819
144. Yinbo Zhao, Gota Kikugawa, Yoshiaki Kawagoe, Keiichi Shirasu, and Tomonaga Okabe, "Molecular-scale investigation on relationship between thermal conductivity and the structure of crosslinked epoxy resin", International Journal of Heat and Mass Transfer 198 (2022) 123429. PDF file https://doi.org/10.1016/j.ijheatmasstransfer.2022.123429
143. Tomohiro Miyata, Yoshiaki Kawagoe, Tomonaga Okabe, and Hiroshi Jinnai, "Morphologies of adsorbed polymer chains on inorganic nanoparticles in a polymer composite as revealed via atomic-resolution electron microscopy", Polymer Journal (2022) 54:1297–1306. PDF file
https://doi.org/10.1038/s41428-022-00690-4
142. Yamato Hoshikawa, Keiichi Shirasu, Kohei Yamamoto, Yasuhisa Hirata, Ryo Higuchi and Tomonaga Okabe, "Open-hole tensile properties of 3D-printed continuous carbon-fiber-reinforced thermoplastic laminates: Experimental study and multiscale analysis", Journal of Thermoplastic Composite Materials, Volume 36, Issue 7, July 2023, Pages 2836-2861. PDF file
https://doi.org/10.1177/08927057221110791
141. Huachao Deng, Yoshiaki Kawagoe, Yoshiaki Abe, Kenjiro Terada, Tomonga Okabe, "Generalized coordinate smoothed particle hydrodynamics with an overset method in total Lagrangian formulation", International Journal for Numerical Methods in Engineering, 2022;123:4518–4544. PDF file
https://doi.org/10.1002/nme.7043
140. Huachao Deng, Bo Yan, Tomonaga Okabea, "Fatigue crack propagation simulation method using XFEM with variable-node element", Engineering Fracture Mechanics 269 (2022) 10. PDF file
https://doi.org/10.1016/j.engfracmech.2022.108533
139. Yoshiaki Kawagoe, Kenji Kawai, Yuta Kumagai, Keiichi Shirasu, Gota Kikugawa, Tomonaga Okabe, "Multiscale modeling of process-induced residual deformation on carbon-fiber-reinforced plastic laminate from quantum calculation to laminate scale finite-element analysis", Mechanics of Materials 170 (2022) 104332. PDF file
https://doi.org/10.1016/j.mechmat.2022.104332
138. Keiichi Shirasu, Masayoshi Mizutani, Naoki Takano, Hajime Yoshinaga, Tsuyoshi Oguri, Ken-ichi Ogawa, Tomonaga Okabe and Shigeru Obayashi, "Lap-shear strength and fracture behavior of CFRP/3D-printed titanium alloy adhesive joint prepared by hot-press-aided co-bonding", International Journal of Adhesion and Adhesives, 117 (2022) 103169. PDF file
https://doi.org/10.1016/j.ijadhadh.2022.103169
137. Shugo Date, Yoshiaki Abe, and Tomonaga Okabe, "Effects of Fiber Properties on Aerodynamic Performance and Structural Sizing of Composite Aircraft Wings", Aerospace Science and Technology 124 (2022) 107565. PDF file
https://doi.org/10.1016/j.ast.2022.107565
136. Keiichi Shirasu, Junpei Tsuyuki, Ryo Higuchi, Sota Onodera and Tomonaga Okabe, "Experimental and numerical study on open-hole tension/compression properties of carbon-fiber-reinforced thermoplastic laminates", Journal of Composite Materials, 56(14) (2022) 2211-2225. PDF file
https://doi.org/10.1177/00219983221096880
135. Kohei Yamamoto, Jose Victorio Salazar Luces, Keiichi Shirasu, Yamato Hoshikawa, Tomonaga Okabe, Yasuhisa Hirata, "A novel single-stroke path planning algorithm for 3D printers using continuous carbon fiber reinforced thermoplastics", Additive Manufacturing 55 (2022) 102816. PDF file
https://doi.org/10.1016/j.addma.2022.102816
134. Huachao Deng, Bo Yan, Tomonaga Okabe, "A new path-independent interaction integral for dynamic stress intensity factors of cracked structures", International Journal of Solids and Structures 243 (2022) 111559. PDF file
https://doi.org/10.1016/j.ijsolstr.2022.111559
133. Yinbo Zhao, Gota Kikugawa,Yoshiaki Kawagoe, Keiichi Shirasu, Naoki Kishimoto, Yingxiao Xi,and Tomonaga Okabe, "Uncovering the Mechanism of Size Effect on the Thermomechanical Properties of Highly Cross-Linked Epoxy Resins", The Journal of Physical Chemistry B 2022, 126, 2593−2607. PDF file
https://doi.org/10.1016/j.ijsolstr.2022.111518
132. Y. Nagumo, S. Onodera, T. Okabe, "Prediction of Transverse Crack Progression Based on Continuum Damage Mechanics and its Application to Composite Laminates and Filament-Wound Cylindrical Pressure Vessels ", Advanced Composite Materials, 31, 6 (2022), 600-616 PDF file
https://doi.org/10.1080/09243046.2022.2048452
131. Ryo Higuchi, Ryoma Aoki; Sota Onodera, Xin Lu, Jie Zhi, Karh Heng Leong; Tomohiro Yokozeki, Tomonaga Okabe, Tong Earn Tay, "Multi-fidelity progressive damage simulation of notched composite laminates with various ply thicknesses", International Journal of Solids and Structures 242 (2022) 111518. PDF file
https://doi.org/10.1016/j.ijsolstr.2022.111518
<2021>
130. Yutaka Oya, Gota Kikugawa, Tomonaga Okabe and Toshihiro Kawakatsu, "Density functional theory for polymer phase separations induced by coupling of chemical reaction and elastic stress", Advanced Theory and Simulations 2021, 2100385. PDF file
https://doi.org/10.1002/adts.202100385
129. Takeki Yamamoto, Tomonaga Okabe, Kenjiro Terada, "Numerical simulation for deformation of laminates combining the novel shell element with the decoupled two-scale viscoelastic analysis of FRP", International Journal of Solids and Structures 234-235 (2022) 111236 PDF file
https://doi.org/10.1016/j.ijsolstr.2021.111236
128. Yoshiaki Kawagoe, Gota Kikugawa, Keiichi Shirasu, and Tomonaga Okabe, "Thermoset resin curing simulation using quantum chemical reaction path calculation and dissipative particle dynamics", Soft Matter 17 (2021) 6707–6717. PDF file
https://doi.org/10.1039/D1SM00600B
127. Sota Onodera, Junpei Tsuyuki, Tomonaga Okabe, "Micromechanical modeling for the in-plane mechanical behavior of orthogonal 3D woven ceramic matrix composites with transverse and matrix cracking", International Journal of Damage Mechanics 0(0) 1–25. PDF file
https://doi.org/10.1177/10567895211026017
126. R. Higuchi, S. Warabi, A. Yoshimura, T. Nagashima, T. Yokozeki, T. Okabe, "Experimental and numerical study on progressive damage and failure in composite laminates during open-hole compression tests", Composites: Part A 145 (2021) 106300. PDF file
https://doi.org/10.1016/j.compositesa.2021.106300
125. Nobuyuki Odagiri, Keiichi Shirasu, Yoshiaki Kawagoe, Gota Kikugawa, Yutaka Oya, Naoki Kishimoto, Fumio S. Ohuchi, Tomonaga Okabe, "Amine/epoxy stoichiometric ratio dependence of crosslinked structure and ductility in amine-cured epoxy thermosetting resins", Journal of Applied Polymer Science 138(23):50542. PDF file
https://doi.org/10.1002/app.50542
124. Risa Saito, Yosuke Yamanaka, Seishiro Matsubara, Tomonaga Okabe, Shuji Moriguchi, Kenjiro Terada, " A decoupling scheme for two-scale finite thermoviscoelasticity with thermal and cure-induced deformations", International Journal for Numerical Methods in Engineering, 122, (2021) 1133–1166 PDF file
https://doi.org/10.1002/nme.6575
123. Yutaka Oya, Masahiro Nakazawa, Keiichi Shirasu, Yuki Hino, Inuyama Kyosuke, Gota Kikugawa, Jing Li, Riichi Kuwahara, Naoki Kishimoto, Hiroki Waizumi, Masaaki Nishikawa, Anthony Waas, Nobuyuki Odagiri, Andrew Koyanagi, Marco Salviato, Tomonaga Okabe,
" Molecular dynamics simulation of cross-linking processes and material properties for epoxy resins using first-principle calculation combined with global reaction route mapping algorithms", Chemical Physics Letters 762 (2021) 138104 PDF file
https://doi.org/10.1016/j.cplett.2020.138104
122. Go Yamamoto,Keita Koizumi,Takahiro Nakamura,Noriyuki Hirano,Tomonaga Okabe, "Tensile-Strength-Controlling Factors in Unidirectional Carbon Fiber Reinforced Plastic Composites", Composites: Part A 140 (2021) 106140 PDF file
https://doi.org/10.1016/j.compositesa.2020.106140
121. Shugo DATE, Yoshiaki ABE, Takeki YAMAMOTO and Tomonaga OKABE, "Fluid-structural Design Analysis for Composite Aircraft Wings with Various Fiber Properties", Journal of Fluid Science and Technology Vol.16, No.1, 2021 PDF file
https://doi.org/10.1299/jfst.2021jfst0009
<2020>
120. Sota Onodera, Tomonaga Okabe, "Analytical model for determining effective stiffness and mechanical behavior of polymer matrix composite laminates using continuum damage mechanics", International Journal of Damage Mechanics 2020, Vol. 29(10) 1512–1542 PDF file
https://doi.org/10.1177/1056789520939624
119. R. Higuchi, S. Warabi, W. Ishibashi, T. Okabe, "Experimental and numerical investigations on push-out delamination in drilling of composite laminates", Composites Science and Technology 198 (2020) 108238 PDF file
https://doi.org/10.1016/j.compscitech.2020.108238
118. Yue Huang, Jingtian Zhang, Edwin S. Jiang, Yutaka Oya, Akinori Saeki, Gota Kikugawa, Tomonaga Okabe, and Fumio S. Ohuchi, "Structure-Property Correlation Study for Organic Photovoltaic Polymer Materials Using Data Science Approach", J. Phys. Chem. C 2020, 124, 12871−12882 PDF file
https://doi.org/10.1021/acs.jpcc.0c00517
117. R. Higuchi, R. Aoki, T. Yokozeki and T. Okabe, "Evaluation of the in-situ damage and strength properties of thin-ply CFRP laminates by micro-scale finite element analysis ", Advanced Composite Materials, 29, 5 (2020), 475-493 PDF file
https://doi.org/10.1080/09243046.2020.1740867
116. Yoshiaki Abe, Takayuki Konishi, Tomonaga Okabe, "Numerical Simulation of Wake Deflection Control around NACA0012 Airfoil Using Active Morphing Flaps ", Journal of Flow Control, Measurement & Visualization, 2020, 8, 121-133 PDF file
https://doi.org/10.4236/jfcmv.2020.83007
115. Yuta Kumagai, Sota Onodera, Marco Salviato, Tomonaga Okabe, "Multiscale analysis and experimental validation of crack initiation in quasi-isotropic laminates", International Journal of Solids and Structures 193–194 (2020) 172–191 PDF file
https://doi.org/10.1016/j.ijsolstr.2020.02.010
114. Yutaka Oya, Tsubasa Matsumiya, Akira Ito, Ryosuke Matsuzaki and Tomonaga Okabe, "Gate optimization for resin transfer molding in dual-scale porous media: Numerical simulation and experiment measurement", Journal of Composite Materials 2020, Vol. 54(16) 2131–2145 PDF file
https://doi.org/10.1177/0021998319890122
<2019>
113. Jimin Qian, Nam Phuong Nguyen, Yutaka Oya, Gota Kikugawa, Tomonaga Okabe, Yue Huang and Fumio S. Ohuchi, "Introducing self-organized maps (SOM) as a visualization tool for materials research and education", Results in Materials 4 (2019) 100020PDF file
https://doi.org/10.1016/j.rinma.2019.100020
112. Sota Onodera, Tomonaga Okabe, "Three-dimensional analytical model for effective elastic constants of transversely isotropic plates with multiple cracks: application to stiffness reduction and steady-state cracking of composite laminates", Engineering Fracture Mechanics 219 (2019) 106595 PDF file
https://doi.org/10.1016/j.engfracmech.2019.106595
111. Gota Kikugawa, Yuta Nishimura, Koji Shimoyama, Taku Ohara, Tomonaga Okabe, Fumio S. Ohuchi, "Data analysis of multi-dimensional thermophysical properties of liquid substances based on clustering approach of machine learning", Chemical Physics Letters 728, (2019), 109-114PDF file
https://doi.org/10.1016/j.cplett.2019.04.075
110. Go Yamamoto, Miho Onodera, Keita Koizumi, Jun Watanabe, Haruki Okuda, Fumihiko Tanaka, Tomonaga Okabe, "Considering the stress concentration of fiber surfaces in the prediction of the tensile strength of unidirectional carbon fiber-reinforced plastic composites", Composites Part A 121 (2019) 499–509 PDF file
https://doi.org/10.1016/j.compositesa.2019.04.011
109. Shigeki Yashiro, Daichi Nakashima, Yutaka Oya, Tomonaga Okabe, Ryosuke Matsuzaki, "Particle simulation of dual-scale flow in resin transfer molding for process analysis", Composites Part A 121 (2019) 283–288 PDF file
https://doi.org/10.1016/j.compositesa.2019.03.038
108. Ryosuke Matsuzaki, Tomohiro Ishikawa, Tomonaga Okabe, Yutaka Oya and Shigeki Yashiro, "Stiffness and permeability multi-objective optimization of carbon-fiber-reinforced plastic mesostructures using homogenization method", Journal of Composite Materials 2019, Vol. 53(13) 1865–1880 PDF file
https://doi.org/10.1177/0021998318812160
107. Jing li, Sakamoto Jumpei, Hiroki Waizumi, Yutaka Oya, Yue Huang, Naoki Kishimoto, Tomonaga Okabe, "A multiscale model for the synthesis of thermosetting resins: From the addition reaction to cross-linked network formation", Chemical Physics Letters 720 (2019) 64–69 PDF file
https://doi.org/10.1016/j.cplett.2019.02.012
106. Go Yamamoto and Tomonaga Okabe, "Numerical study for tensile strength prediction of unidirectional carbon fiber-reinforced composite considering fiber surface stress concentration", Mechanical Engineering Journal, 6, (2019) 19-00020. PDF file
https://doi.org/10.1299/mej.19-00020
<2018>
105. J. Watanabe, F. Tanaka, R. Higuchi, H. Matsutani, H. Okuda and T.Okabe, "A study of stress concentrations around fiber breaks in unidirectional CF/epoxy composites using double-fiber fragmentation tests", Advanced Composite Materials, 1-13 PDF file
https://doi.org/10.1080/09243046.2017.1416567
104. Yutaka OYA, Kyosuke Inuyama, Tomonaga Okabe, Jun Koyanagi & Ryosuke Matsuzaki , "Analysis of structure characteristics in laminated graphene oxide nanocomposites using molecular dynamics simulation", Advanced Composite Materials, 2018, 1-12 PDF file
https://doi.org/10.6089/jscm.42.76
103. Tomonaga Okabe, Sota Onodera, Yuta Kumagai and Yoshiko Nagumo, "Continuum damage mechanics modeling of composite laminates including transverse cracks", International Journal of Damage Mechanics, 27, 6 (2018) 877-895 PDF file
https://doi.org/10.1177/1056789517711238
102. Haruki Okuda, Robert J. Young, Daniel Wolverson, Fumihiko Tanaka, Go Yamamoto, Tomonaga Okabe, "Investigating nanostructures in carbon fibres using Raman spectroscopy", Carbon 130 (2018) 178-184 PDF file
https://doi.org/10.1016/j.carbon.2017.12.108
101. Go Yamamoto, Tomonaga Okabe, and Noriaki Ikenaga, "Fracture behavior of diamondlike carbon films deposited on polymer substrates", Journal of Vacuum Science & Technology A, 36, (2018), Article No. 02C101. PDF file
https://doi.org/10.1116/1.5003683
<2017>
100. Sota Onodera, Yoshiko Nagumo & Tomonaga Okabe, "Prediction for progression of transverse cracking in CFRP cross-ply laminates using Monte Carlo method", Advanced Composite Materials, 26,2017-isuue 5, 477-491. PDF file
https://doi.org/10.6089/jscm.43.124
99. R. Higuchi, T. Okabe, A. Yoshimura, T. E. Tay, "Progressive Failure under High-Velocity Impact on Composite Laminates; Experiment and Phenomenological Mesomodeling", Engineering Fracture Mechanics 178 (2017), 346-361. PDF file
https://doi.org/10.1016/j.engfracmech.2017.03.019
98. R. Higuchi, T. Okabe, T. Nagashima, "Numerical simulation of progressive damage and failure in composite laminates using XFEM/CZM coupled approach", Composites: Part A 95 (2017) 197-207 PDF file
https://doi.org/10.1016/j.compositesa.2016.12.026
97. Yutaka Oya, Gota Kikugawa, Tomonaga Okabe, "Clustering Approach for Multidisciplinary Optimum Design of Cross-Linked Polymer", Macromolecular Theory and Simulations, 26 (2017),1600072 PDF file , cover
https://doi.org/10.1002/mats.201600072
96. Yuta Kumagai, Sota Onodera, Yoshiko Nagumo, Tomonaga Okabe, Kenichi Yoshioka, "Multiscale modeling of free-surface effect on crack formation inunidirectional off-axis laminates", Composites: Part A 98 (2017) 136–146. PDF file
https://doi.org/10.1016/j.compositesa.2017.03.016
95. Tomonaga Okabe, Yutaka Oya, Go Yamamoto, Junki Sato, Tsubasa Matsumiya, Ryosuke Matsuzaki, Shigeki Yashiro, Sigeru Obayashi, "Multi-objective optimization for resin transfer molding process", Composites: Part A 92 (2017) 1-9 PDF file
<2016>
94. Haruki Okuda, Robert J. Young, Fumihiko Tanaka, Jun Watanabe, Tomonaga Okabe, "Tensile failure phenomena in carbon fibres", Carbon 107 (2016) 474-481. PDF file
https://doi.org/10.1016/j.carbon.2016.06.037
93. Tomonaga Okabe, Yutaka Oya, Koichi Tanabe, Gota Kikugawa, Kenichi Yoshioka, "Molecular dynamics simulation of crosslinked epoxy resins: Curing and mechanical properties", European Polymer Journal 80 (2016) 78–88. PDF file
https://doi.org/10.1016/j.eurpolymj.2016.04.019
92. R. Higuchi, T. Okabe, Y. Ohtake, T. Honda, Y. Ueda and S. Ogihara, "Numerical simulation of damage progression and fracture in structures made of 3D woven ceramic matrix composites", Advanced Composite Materials, 25, 3, (2016), 209-227.  PDF file
https://doi.org/10.1080/09243046.2015.1075672
<2015>
91. Masashi Ishikawa, Yasuo Kogo, Jun Koyanagi, Fumihiko Tanaka, Tomonaga, Okabe, "Torsional modulus and internal friction of polyacrylonitrile- and pitch-based carbon fibers", J Mater Sci (2015) 50:7018–7025. PDF file
https://doi.org/10.1007/s10853-015-9254-z
90. Shigeki Yashiro and Tomonaga Okabe, "Smoothed particle hydrodynamics in a generalized coordinate system with a finite-deformation constitutive model", Int. J. Numer. Meth. Engng 2015; 103:781–797. PDF file
https://doi.org/10.1002/nme.4906
89. Tomonaga Okabe, Yuta Kumagai, Ryo Higuchi and Masaaki Nishikawa, "Onset of Matrix Cracking in Fiber Reinforced Polymer Composites: A Historical Review and a Comparison Between Periodic Unit Cell Analysis and Analytic Failure Criteria", Advanced Structured Materials 64, H. Altenbach et al. (eds.), Springer International Publishing Switzerland, (2015), 299-317 PDF file
https://doi.org/10.1007/978-3-319-19440-0_13
88. T. Okabe, H. Imamura, Y. Sato, R. Higuchi, J. Koyanagi, R. Talreja, "Experimental and numerical studies of initial cracking in CFRP cross-ply laminates", Composites: Part A 68 (2015) 81–89.  PDF file
https://doi.org/10.1016/j.compositesa.2014.09.020
<2014>
87. Y. Satoa, T. Okabea, R. Higuchi and K. Yoshioka, "Multiscale approach to predict crack initiation in unidirectional off-axis laminates", Advanced Composite Materials, 2014. Vol. 23, Nos. 5–6, 461–475  PDF file
https://doi.org/10.1080/09243046.2014.915100
86. J. Watanabe, F. Tanaka, H. Okuda and T. Okabe, "Tensile strength distribution of carbon fibers at short gauge lengths", Advanced Composite Materials, 2014. Vol. 23, Nos. 5–6, 535–550. PDF file
https://doi.org/10.1080/09243046.2014.915120
85. Fumihiko Tanaka, Tomonaga Okabe, Haruki Okuda Ian A. Kinloch Robert J. Young, "Factors controlling the strength of carbon fibers in tension", Composites: Part A 57 (2014) 88–94.  PDF file
https://doi.org/10.1016/j.compositesa.2013.11.007
84. T. Okabe, "Recent studies on numerical modelling of damage progression in fibre-reinforced plastic composites", Mechanical Engineering Reviews, Vol.2, No.1 (2015), 1-11. PDF file
https://doi.org/10.1299/mer.14-00226
83. Jun Koyanagi, Yukihiro Sato, Toshiki Sasayama, Tomonaga Okabe, Satoru Yoneyama, "Numerical simulation of strain-rate dependent transition of transverse tensile failure mode in fiber-reinforced composites", Composites: Part A 56 (2014) 136–142.  PDF file
https://doi.org/10.1016/j.compositesa.2013.10.002
82. Tomonaga Okabe, Toshiki Sasayama, Jun Koyanagi, "Micromechanical simulation of tensile failure of discontinuous fiber-reinforced polymer matrix composites using Spring Element Model", Composites: Part A 56 (2014) 64-71.  PDF file
https://doi.org/10.1016/j.compositesa.2013.09.012
<2013>
81. Toshiki Sasayama, Tomonaga Okabe, Yoshiteru Aoyagi, Masaaki Nishikawa, "Prediction of failure properties of injection-molded short glass fiber-reinforced polyamide 6,6", Composites: Part A 52 (2013) 45-54.  PDF file
https://doi.org/10.1016/j.compositesa.2013.05.004
80. Tomonaga Okabe, Tomohiro Takehara, Keisuke Inose, Noriyuki Hirano, Masaaki Nishikawa, Takuya Uehara, "Curing reaction of epoxy resin composed of mixed base resin and curing agent: Experiments and molecular simulation", Polymer 54 (2013) 4660-4668.  PDF file
https://doi.org/10.1016/j.polymer.2013.06.026
79. Fumihiko Tanaka, Tomonaga Okabe, Haruki Okuda, Ian A. Kinloch, Robert J. Young, "The effect of nanostructure upon the compressive strength of carbon fibres", J Mater Sci (2013) 48:2104–2110.  PDF file
https://doi.org/10.1007/s10853-012-6984-z
78. Fumihiko Tanaka, Tomonaga Okabe, Haruki Okuda, Masafumi Ise, Ian A. Kinloch, Tsutomu Mori, Robert J. Young, "The effect of nanostructure upon the deformation micromechanics of carbon fibres.", Carbon 52 (2013) 372-378.  PDF file
https://doi.org/10.1016/j.carbon.2012.09.047
<2012>
77. M. Hashimoto, T. Okabe, T. Sasayama, H. Matsutani, M. Nishikawa, "Prediction of tensile strength of discontinuous carbon fiber/polypropylene composite with fiber orientation distribution", Composites: Part A 43 (2012) 1791-1799.  PDF file
https://doi.org/10.1016/j.compositesa.2012.05.006
76. Tomonaga Okabe, Hiroaki Matsutani, Takashi Honda, Shigeki Yashiro, "Numerical simulation of microscopic flow in a fiber bundle using the moving particle semi-implicit method", Composites: Part A 43 (2012) 1765-1774.  PDF file
https://doi.org/10.1016/j.compositesa.2012.05.003
75. S. C. Chowdhury, B. Z. (Gama) Haque, T. Okabe, J. W. Gillespie Jr, "Modeling the effect of statistical variations in length and diameter of randomly oriented CNTs on the properties of CNT reinforced nanocomposites", Composites: Part B 43 (2012) 1756-1762. PDF file
https://doi.org/10.1016/j.compositesb.2012.01.066
74. T. Okabe, T. Motani, M. Nishikawa and M. Hashimoto, "Numerical simulation of microscopic damage and strength of fiber-reinforced plastic composites", Advanced Composite Materials Volume 21, 2012 - Issue 2 147-163. PDF file
https://doi.org/10.1080/09243046.2012.688495
73. T. Okabe, S. Yashiro, "Damage detection in holed composite laminates using an embedded FBG sensor", Composites: Part A 43 (2012) 388-397. PDF file
https://doi.org/10.1016/j.compositesa.2011.12.009
72. Abreeza MANAP, Kazuhiro OGAWA and Tomonaga OKABE,"Numerical Analysis of Interfacial Bonding of Al-Si Particle and Mild Steel Substrate by Cold Spray Technique Using the SPH Method", Journal of Solid Mechanics and Materials Engineering Vol. 6, No. 3, 2012, 241-250  PDF file
https://doi.org/10.1299/jmmp.6.241
<2011>
71. S. Yashiro, T. Okabe, "Estimation of fatigue damage in holed composite laminates using an embedded FBG sensor", Composites: Part A 42 (2011) 1962-1969. PDF file
https://doi.org/10.1016/j.compositesa.2011.08.021
70. T. Okabe, M. Nishikawa, H. Toyoshima, "A periodic unit-cell simulation of fiber arrangement dependence on the transverse tensile failure in unidirectional carbon fiber reinforced composites", International Journal of Solids and Structures 48 (2011) 2948-2959. PDF file
https://doi.org/10.1016/j.ijsolstr.2011.06.012
69. I. Taketa, T. Okabe, H. Matsutani and A. Kitano, "Flowability of unidirectionally arrayed chopped strands in compression molding", Composites: Part B 42 (2011) 1764-1769. PDF file
https://doi.org/10.1016/j.compositesb.2011.01.021
68. Akinori Yoshimura and Tomonaga Okabe, "Damage Growth Analysis in Particle-Reinforced Composite Using Cohesive Element", Advanced Composite Materials 20 (2011) 569-583. PDF file
https://doi.org/10.1163/156855111X610406
67. S. Yashiro, T. Okabe, K. Matsushima, "A Numerical Approach for Injection Molding of Short-Fiber-Reinforced Plastics Using a Particle Method", Advanced Composite Materials 20 (2011) 503-517. PDF file
https://doi.org/10.1163/092430411X584423
<2010>
66. I. Taketa, N. Sato, A. Kitano, M. Nishikawa, T. Okabe, "Enhancement of strength and uniformity in unidirectionally arrayed chopped strands with angled slits", Composites: Part A 41 (2010) 1639-1646. PDF file
https://doi.org/10.1016/j.compositesa.2010.07.010
65. Yuan Li, Ning Hu, Go Yamamoto, Zhongchang Wang, Toshiyuki Hashida, Hiroshi Asanuma, Chensong Dong, Tomonaga Okabe, Masahiro Arai, Hisao Fukunaga, "Molecular mechanics simulation of the sliding behavior between nested walls in a multi-walled carbon nanotube", Carbon 48 (2010) 2934-2940. PDF file
https://doi.org/10.1016/j.carbon.2010.04.031
64. T. Okabe, M. Nishikawa, N. Takeda, "Micromechanics on the Rate-Dependent Fracture of Discontinuous Fiber-Reinforced Plastics", International Journal of DAMAGE MECHANICS, Vol.19—April 2010, 339-360. PDF file
https://doi.org/10.1177/1056789509103649
63. Keiji Ogi, Tomonaga Okabe, Manabu Takahashi, Shigeki Yashiro, Akinori Yoshimura, Toshio Ogasawara, "Experimental characterization of high-speed impact damage behavior in a three-dimensionally woven SiC/SiC composite", Composites: Part A 41 (2010) 489-498. PDF file
https://doi.org/10.1016/j.compositesa.2009.12.005
62. M. Nishikawa and T. Okabe, "Microstructure-dependent fatigue damage process in short fiber reinforced plastics", International Journal of Solids and Structures 47 (2010) 398-406. PDF file
https://doi.org/10.1016/j.ijsolstr.2009.10.002
61. Sanjib Chandra Chowdhury, Tomonaga Okabe and Masaaki Nishikawa, "Effects of Vacancy Defects on the Interfacial Shear Strength of Carbon Nanotube Reinforced Polymer Composite", Journal of Nanoscience and Nanotechnology Vol. 10, 739-745, 2010. PDF file
https://doi.org/10.1166/jnn.2010.1879
60. T. Yamaguchi, T. Okabe and T. Kousaka, "Fatigue Simulation for Ti/GFRP Laminates using Cohesive Elements", Advanced Composite Materials 19 (2010) 107-122. PDF file
https://doi.org/10.1163/092430410X490428
59. T. Okabe, K. Ishi, M. Nishikawa and N. Takeda, "Prediction of Tensile Strength of Unidirectional CFRP Composites", Advanced Composite Materials 19 (2010) 229-241. PDF file
https://doi.org/10.1016/j.compstruct.2017.02.060
<2009>
58. T. Yamaguchi, T. Okabe, S. Yashiro, "Fatigue simulation for Titanium/CFRP hybrid laminates using cohesive elements", Composites Science and Technology 69 (2009) 1968-1973. PDF file
https://doi.org/10.1016/j.compscitech.2009.04.020
57 I. Taketa, T. Okabe, A. Kitano, "Strength improvement in unidirectional arrayed chopped strands with interlaminar toughening", Composites: Part A 40 (2009) 1174-1178. PDF file
https://doi.org/10.1016/j.compositesa.2009.05.006
56. M. Nishikawa, T. Okabe and N. Takeda, "Periodic-cell simulations for the microscopic damage and strength properties of discontinuous carbon fiber-reinforced plastic composites", Advanced Composite Materials 18 (2009) 77-93. PDF file
https://doi.org/10.1163/156855108X399974
55. Masaaki NISHIKAWA, Tomonaga OKABE and Nobuo TAKEDA, "Effect of the Microstructure on the Fracture Mode of Short-Fiber Reinforced Plastic Composites", Journal of Solid Mechanics and Materials Engineering Vol.3, No.8, 2009, 998-1009. PDF file
https://doi.org/10.1299/jmmp.3.998
54. T. Okabe, M. Nishikawa, "GLS strength prediction of glass-fiber-reinforced polypropylene", Journal of Materials Science 44(1):331-334, January 2009 PDF file
https://doi.org/10.1007/s10853-008-3144-6
53. M. Nishikawa, T. Okabe and T. Honda, "Effect of cross-links on the pullout of carbon nanotubes from amorphous polymer", Journal of Materials Science 44(1):339-341, December 2009 PDF file
https://doi.org/10.1007/s10853-008-3127-7
52. Shigeki YASHIRO, Tomonaga OKABE, "Numerical Prediction of Fatigue Damage Progress in Holed CFRP Laminates Using Cohesive Elements", Journal of Solid Mechanics and Materials Engineering Vol3, No.11, 2009, 1212-1221. PDF file
https://doi.org/10.1299/jmmp.3.1212
51. Tomonaga OKABE and Shigeki YASHIRO, "Numerical Simulation for Predicting Fatigue Damage Progress in Notched CFRP Laminates by Using Cohesive Elements", Journal of Solid Mechanics and Materials Engineering Vol.3 No.11 2009, 1202-1211. PDF file
https://doi.org/10.1299/jmmp.3.1202
<2008>
50. T. Okabe, M. Nishikawa, W. A. Curtin, "Estimation of statistical strength distribution of Carborundum polycrystalline SiC fiber using the single fiber composite with consideration of the matrix hardening", Composite Science and Technology 68 (2008) 3067-3072. PDF file
https://doi.org/10.1016/j.compscitech.2008.06.026
49. I. Taketa, T. Okabe, A. Kitano, "A new compression-molding approach using unidirectionally arrayed chopped strands", Composites: Part A 39 (2008) 1884-1890. PDF file
https://doi.org/10.1016/j.compositesa.2008.09.012
48. N. Hu, Y. Zemba, T. Okabe, C. Yan, H. Fukunaga, A. M. Elmarakbi, "A new cohesive model for simulating delamination propagation in composite laminates under transverse loads", Mechanics of Materials 40 (2008) 920-935.  PDF file
https://doi.org/10.1016/j.mechmat.2008.05.003
47. T. Okabe, M. Nishikawa, N. Takeda, "Numerical modeling of progressive damage in fiber reinforced plastic cross-ply laminates", Composites Science and Technology 68 (2008) 2282 - 2289.  PDF file
https://doi.org/10.1016/j.compscitech.2008.04.021
46. M. Nishikawa, T. Okabe, N. Takeda and W. A. Curtin, "Micromechanics of the fragmentation process in single-fiber composites", Modeling and Simulation in Materials Science and Engineering 16 (2008) 055009.  PDF file
https://doi.org/10.1088/0965-0393/16/5/055009
45. M. Nishikawa, T. Okabe, K. Hemmi, N. Takeda, "Micromechanical modeling of the microbond test to quantify the interfacial properties in fiber-reinforced composites", International Journal of Solids and Structures 45 (2008) 4098-4113. PDF file
44. M. Nishikawa, T. Okabe, N. Takeda, "Determination of interface properties from experiments on the fragmentation process in single-fiber composites", Materials Science and Engineering A 480 (2008) 549-557.  PDF file
https://doi.org/10.1016/j.msea.2007.07.067
43. Shigeki YASHIRO, Junji TAKATSUBO, Nobuyuki TOYAMA, Tomonaga OKABE, Nobuo TAKEDA, "Nondestructive Evaluation of Holed CFRP Laminates by a New Technique to Visualize Propagation of Ultrasonic Waves", Journal of Solid Mechanics and Materials Engineering Vol. 2, No. 3 (2008) 333-341. PDF file
https://doi.org/10.1299/jmmp.2.333
<2007>
42. N. Hu, K. Nunoya, D. Pan, T. Okabe, H. Fukunaga, "Prediction of buckling characteristics of carbon nanotubes", International Journal of Solids and Structures 44 (2007) 6535-6550. PDF file
https://doi.org/10.1016/j.ijsolstr.2007.02.043
41. Masaaki Nishikawa, Tomonaga Okabe, Nobuo Takeda, "Numerical simulation of interlaminar damage propagation in CFRP cross-ply laminates under transverse loading", International Journal of Solids and Structures 44 ( 2007) 3101-3113. (19th hottest article in Science direct in January-March 2007 )  PDF file
https://doi.org/10.1016/j.ijsolstr.2006.09.007
40. S. C. Chowdhury, T. Okabe, "Computer simulation of carbon nanotube pull-out from polymer by the molecular dynamics method", Composites: Part A 38 (2007) 747-754.  PDF file
https://doi.org/10.1016/j.compositesa.2006.09.011
39. S. Yashiro, T. Okabe, N. Takeda, "Damage identification in a holed CFRP laminate using a chirped fiber Bragg grating sensor", Composites Science and Technology 67 (2007) 286-295.  PDF file
https://doi.org/10.1016/j.compscitech.2006.08.004
38. S. Yashiro, T. Okabe, N. Toyama, N. Takeda, "Monitoring damage in holed CFRP laminates using embedded chirped FBG sensors", International Journal of Solids and Structures 44 (2007) 603-613.  PDF file
https://doi.org/10.1016/j.ijsolstr.2006.05.004
37. Sayaka OKABE , Nobutada OHNO and Tomonaga OKABE, "Influence of Matrix Plasticity on Local Stress Concentrations Near Loaded Fiber Breaks", Journal of Solid Mechanics and Materials Engineering Vol. 1, No. 1, 2007, 102-113. PDF file
https://doi.org/10.1299/jmmp.1.102
36. S. YASHIRO, K. MURAI, T. OKABE and N. TAKEDA, "Numerical study for identifying damage in open-hole composites with embedded FBG sensors and its application to experiment results", Advanced Composite Materials Vol. 16, No. 2, pp.115-134 (2007)  PDF file
https://doi.org/10.1163/156855107780918946
35. AKINORI YOSHIMURA, SHIGEKI YASHIRO, TOMONAGA OKABE and NOBUO TAKEDA, "Characterization of Tensile Damage Progress in Stitched CFRP Laminates", Advanced Composite Materials Vol.16, No. 3, pp.223-244 (2007)  PDF file
https://doi.org/10.6089/jscm.32.198
<2006>
34. Tomonaga Okabe, Masaaki Nishikawa, Nobuo Takeda, Hideki Sekine, "Effect of matrix hardening on the tensile strength of alumina fiber-reinforced aluminum matrix composites", Acta Materialia 54 (2006) 2557-2566.  PDF file
https://doi.org/10.4028/www.scientific.net/KEM.430.83
33. N. Takeda, S. Yashiro, T. Okabe, "Estimation of the damage patterns in notched laminates with embedded FBG sensors", Composites Science and Technology 66 (2006) 684-693.  PDF file
https://doi.org/10.1016/j.compscitech.2005.07.039
32. Hideki Sekine, Shin-Etsu Fujimoto, Tomonaga Okabe, Nobuo Takeda, Toshimitsu Yokobori, Jr., "Structural Health Monitoring of Cracked Aircraft Panels Repaired with Bonded Patches Using Fiber Bragg Grating Sensors", Applied Composite Materials 13(2):87-98 January 2006.  PDF file
https://doi.org/10.1007/s10443-006-9011-1
31. Junji NODA, Tomonaga OKABE, Nobuo TAKEDA and Masao SHIMIZU, "Tensile strength of CFRP cross-ply laminates containing transverse cracks", Advanced Composite Materials, 15 (2006), 81-93.  PDF file
https://doi.org/10.1163/156855106776829338
30. KOICHI GODA, TOMONAGA OKABE and NOBUO TAKEDA, "A strength reliability model of unidirectional fiber-reinforced ceramic matrix composites by Markov process", Advanced Composite Materials Vol. 15, No. 3, pp.263-285 (2006) PDF file
https://doi.org/10.1163/156855106778392089
<2005>
29. N. Toyama, S. Yashiro, J. Takatsubo, T. Okabe, "Stiffness evaluation and damage identification in composite beam under tension using Lamb waves", Acta Materialia 53 (2005) 4389-4397.  PDF file
https://doi.org/10.1016/j.actamat.2005.05.043
28. T. Okabe, H. Sekine, K. Ishii, M. Nishikawa, N. Takeda, "Numerical method for failure simulation of unidirectional fiber-reinforced composites with spring element model", Composites Science and Technology 65 (2005) 921-933.  PDF file
http://dx.doi.org/10.1016/j.compscitech.2004.10.030
27. S. Yashiro, N. Takeda, T. Okabe, H. Sekine, "A new approach to predicting multiple damage states in composite laminates with embedded FBG sensors", Composites Science and Technology 65 (2005) 659-667.  PDF file
https://doi.org/10.1016/j.compscitech.2004.09.022
<2004>
26. N. TOYAMA, T. OKABE, "Effects of tensile strain and transverse cracks on Lamb-wave velocity in cross-ply FRP laminates", JOURNAL OF MATERIALS SCIENCE 39 (2004) 7365-7367.  PDF file
https://doi.org/10.1023/B:JMSC.0000048752.28719.3a
25. T. Okabe, H. Sekine, J. Noda, M. Nishikawa, N. Takeda, "Characterization of tensile damage and strength in GFRP cross-ply laminates", Materials Science and Engineering A 383 (2004) 381-389.  PDF file
https://doi.org/10.1016/j.msea.2004.05.060
24. N. Ohno, S. Okabe, T. Okabe, "Stress concentrations near a fiber break in unidirectional composites with interfacial slip and matrix yielding", International Journal of Solids and Structures 41 (2004) 4263-4277.  PDF file
https://doi.org/10.1016/j.ijsolstr.2004.03.018
23. S. Okabe, N. Ohno and T. Okabe, "Analytical Solutions for Stress Concentrations near a Fiber Break in Unidirectional Elastoplastic Composites", Key Engineering Materials Vols. 274-276 (2004) pp. 1005-1010.  PDF file
https://doi.org/10.4028/www.scientific.net/KEM.274-276.1005
<2003>
22. Z. Xia, T. Okabe, J. B. Park, W. A. Curtin, N. Takeda, "Quantitative damage detection in CFRP composites: coupled mechanical and electrical models", Composites Science and Technology 63 (2003) 1411-1422.  PDF file
https://doi.org/10.1016/S0266-3538(03)00083-6
21. N. Toyama, J. Noda, T. Okabe, "Quantitative damage detection in cross-ply laminates using Lamb wave method", Composites Science and Technology 63 (2003) 1473-1479.  PDF file
https://doi.org/10.1016/S0266-3538(03)00163-5
20. N. TOYAMA, T. OKABE, N. TAKEDA, "Lamb wave evaluation and localization of transverse cracks in cross-ply laminates", JOURNAL OF MATERIALS SCIENCE 38 (2003) 1765-1771.  PDF file
https://doi.org/10.1023/A:1023288012638
19. Tomonaga OKABE and Kei URABE, "MONITORING OF FILLER DISTRIBUTION IN RESIN WITH AN ELECTROMAGNETIC WAVE TRANSMISSION LINE", Advanced Composites Letters, Vol.12, No.2 (2003) 63-68.  PDF file
https://doi.org/10.1177/096369350301200203
18. Jae Beom Park, Tomonaga Okabe and Nobuo Takeda, "New concept for modeling the electromechanical behavior of unidirectional carbon-fiber-reinforced plastic under tensile loading", Smart Materials and Structures 12 (2003) 105-114.  PDF file
http://dx.doi.org/10.1088/0964-1726/12/1/312
<2002>
17. T. Okabe, N. Takeda, "Size effect on tensile strength of unidirectional CFRP composites-experiment and simulation", Composites Science and Technology 62 (2002) 2053-2064.  PDF file
https://doi.org/10.1016/S0266-3538(02)00146-X
16. T. Okabe, N. Takeda, "Elastoplastic shear-lag analysis of single-fiber composites and strength prediction of unidirectional multi-fiber composites", Composites: Part A 33 (2002) 1327-1335.  PDF file
https://doi.org/10.1016/S1359-835X(02)00170-7
15. Z. Xia, W. A. Curtin, T. Okabe, "Green's function vs. shear-lag models of damage and failure in fiber composites", Composites Science and Technology 62 (2002) 1279-1288.  PDF file
https://doi.org/10.1016/S0266-3538(02)00073-8
14. Z. Xia, T. Okabe, W. A. Curtin, "Shear-lag versus finite element models for stress transfer in fiber-reinforced composites", Composites Science and Technology 62 (2002) 1141-1149.  PDF file
https://doi.org/10.1016/S0266-3538(02)00072-6
13. Kei Urabe, Tomonaga Okabe, Hiroshi Tsuda, "Monitoring of resin flow and cure with an electromagnetic wave transmission line using carbon fiber as conductive elements", Composites Science and Technology 62 (2002) 791-797.  PDF file
https://doi.org/10.1016/S0266-3538(02)00047-7
12. NOBUYUKI TOYAMA, TOMONAGA OKABE, NOBUO TAKEDA, TERUO KISHI, "Effect of transverse cracks on lamb wave velocity in CFRP cross-ply laminates", JOURNAL OF MATERIALS SCIENCE LETTER, 21, 2002, 271-273.  PDF file
https://doi.org/10.1023/A:1017925315239
11. J. B. Park, T. Okabe, N. Takeda, W. A. Curtin, "Electromechanical modeling of unidirectional CFRP composites under tensile loading condition", Composites: Part A 33 (2002) 267-275.  PDF file
https://doi.org/10.1016/S1359-835X(01)00097-5
10. FANG MING ZHAO, TOMONAGA OKABE and NOBUO TAKEDA, "Effect of matrix yield properties on fragmentation behavior of single fiber composites", Composite Interfaces, Vol.9, No.3, pp.289-308 (2002).  PDF file
https://doi.org/10.1163/156855402320257366
<2001>
9. Tomonaga Okabe, Nobuo Takeda, "Estimation of strength distribution for a fiber embedded in a single-fiber composite: experiments and statistical simulation based on the elasto-plastic shear-lag approach", Composites Science and Technology 61 (2001) 1789-1800.  PDF file
https://doi.org/10.1016/S0266-3538(01)00080-X
8. T. Okabe, N. Takeda, Y. Kamoshida, M. Shimizu, W. A. Curtin, "A 3D shear-lag model considering micro-damage and statistical strength prediction of unidirectional fiber-reinforced composites", Composites Science and Technology 61 (2001) 1773-1787.  PDF file
https://doi.org/10.1016/S0266-3538(01)00079-3
7. M. Yanaka, Y. Tsukahara, T. Okabe, N. Takeda, "Statistical Analysis of Multiple Cracking Phenomenon of a SiOx Thin Film on a Polymer Substrate", JOURNAL OF APPLIED PHYSICS Vol.90, No.2 (2001) 713-719.  PDF file
https://doi.org/10.1063/1.1379355
6. TOSHIMICHI OGISU, NORIO ANDO, JUNJI TAKAKI, TOMONAGA OKABE AND NOBUO TAKEDA, "Improved Surface Treatment of SMA Foils and Damage Suppression of SMA-Foil Embedded CFRP Laminates", JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES, Vol.12-April 2001, 265-270.  PDF file
https://doi.org/10.1106/9APU-Q5EC-44TY-FF0V
<2000>
5. Fang Ming Zhao, Tomonaga Okabe, Nobuo Takeda, "The estimation of statistical fiber strength by fragmentation tests of single-fiber compositess", Composites Science and Technology 60 (2000) 1965-1974.  PDF file
https://doi.org/10.1016/S0266-3538(00)00084-1
4. Kazunori Misawa, Tomonaga Okabe, Masaaki Yanaka, Masao Shimizu, Nobuo Takeda, "A Theory for Multi Damage Evaluation of TiN Thin Film", Materials Research Society Symposium Proceedings, 653 (2000), Z7.10.1-6.
https://doi.org/10.1557/PROC-653-Z7.10
<1999>
3. T. OKABE, N. TAKEDA, J. KOMOTORI, M. SHIMIZU and W.A.CURTIN, "A NEW FRACTURE MECHANICS MODEL FOR MULTIPLE MATRIX CRACKS OF SiC FIBER REINFORCED BRITTLE-MATRIX COMPOSITES", Acta Materialia Vol.47 No.17, pp.4299-4309, 1999.  PDF file
https://doi.org/10.1016/S1359-6454(99)00309-2
2. T. OKABE, J. KOMOTORI, M. SHIMIZU, N. TAKEDA, "Mechanical behavior of SiC fiber reinforced brittle-matrix composites", JOURNAL OF MATERIALS SCIENCE 34 (1999) 3405–3412. PDF file
https://doi.org/10.1023/A:1004637300310
1. T. Okabe, N.Takeda, J. Komotori, M. Shimizu, K. Imai and Y. Imai, "Tensile matrix cracking behavior of Hi-Nicalon fiber/glass matrix cross-ply laminate composites", Key Engineering Materials Vols. 164-165 (1999) pp.221-224.  PDF file
https://doi.org/10.4028/www.scientific.net/KEM.164-165.221