Prof_OKABE_CVx - Memento EPFL

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30 Οκτ 2013 (πριν από 3 χρόνια και 7 μήνες)

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TOMONAGA OKABE


Department of Aerospace Engineering,

Tohoku University,

6
-
6
-
01, Aoba
-
yama, Aoba
-
ku,

Sendai, 980
-
8579, JAPAN

okabe@plum.mech.tohoku.ac.jp



(a) Professional Preparation


19
96

B.S.
,
Mechanical Engineering, Keio University


1998

M.E., Mechanical Engineering, Keio University


1999

Dr. Eng.
,
Mechanical Engineering, Keio University



(b) Appointments

2007

Visiting Associate Professor, Engineering Division, Brown University

2002
-
date

Associate Professor,

Department of Aerospace Engineering
,

Tohoku University

2001
-
2002 Research Scientist
,
Research Institute of Instrumentation Frontier, National Institute of
Advanced Industrial Science and Technology (AIST),

Tsukuba

, JAPAN

19
99
-
2001

Postdoctoral Research Associate
,
Department of Advanced Energy,

Graduate School of Frontier Sciences, The University of Tokyo
,
Tokyo, JAPAN


(c)
Leadership Positions and Honors

20
12
-

Director
,
Center for
Next Generation Aircraft Research Center

in Tohoku University

200
7
-
2012

Director
,
Center for Composite Materials
Research

in Tohoku University

200
7
-
2012

Editor
ial Board
,
Advanced Composite Materials


(d) Publications

1.

T. Okabe, J. Komotori
, M. Shimizu and N. Takeda, "Mechanical behavior of SiC fiber reinforced
brittle
-
matrix composites", Journal of Materials Science, 34 (1999), 3405
-
3412.


2.

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,
164
-
165 (1999), 221
-
224.


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, 47, 17 (1999), 4299
-
4309.


4.

Fang Ming Zhao, Tomonaga Okabe and Nobuo Takeda, "The estimation of statistical fiber strength
by fragmentation tests of single
-
fiber compositess
", Composites Science and Technology, 60 (2000),
1965
-
1974.


5.

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 I
NTELLIGENT MATERIAL SYSTEMS AND
STRUCTURES, 12 (2001), 265
-
270.


6.

M. Yanaka, Y. Tsukahara, T. Okabe and N. Takeda, "Statistical Analysis of Multiple Cracking
Phenomenon of a SiOx Thin Film on a Polymer Substrate", JOURNAL OF APPLIED PHYSICS, 90, 2
(2001
), 713
-
719.


7.

T. Okabe, N. Takeda, Y. Kamoshida, M. Shimizu and 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.


8.

Tomonaga Okabe and 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 Technol
ogy, 61 (2001), 1789
-
1800.


9.

FANG MING ZHAO, TOMONAGA OKABE and NOBUO TAKEDA, "Effect of matrix yield
properties on fragmentation behavior of single fiber composites", Composite Interfaces, 9, 3 (2002),
289
-
308.


10.

Kazunori Misawa, Tomonaga Okabe, Ma
saaki Yanaka, Masao Shimizu, Nobuo Takeda, "A Theory
for Multi Damage Evaluation of TiN Thin Film", Materials Research Society Symposium Proceedings,
653 (2001), Z7.10.1
-
6.


11.

J. B. Park, T. Okabe, N. Takeda and W. A. Curtin, "Electromechanical modeling
of unidirectional
CFRP composites under tensile loading condition", Composites: Part A, 33 (2002), 267
-
275.


12.

NOBUYUKI TOYAMA, TOMONAGA OKABE, NOBUO TAKEDA, TERUO KISHI, "Effect of
transverse cracks on lamb wave velocity in CFRP cross
-
ply laminates", J
OURNAL OF MATERIALS
SCIENCE LETTER, 21 (2002), 271
-
273.


13.

Kei Urabe, Tomonaga Okabe, Hiroshi Tsuda, "Monitoring of resin flow and cure with an
electromagnetic wave transmission line using", Composites Science and Technology, 62 (2002), 791
-
797.


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.


15.

Z. Xia, W. A. Curtin and T. Okabe, "Green's function vs. shear
-
lag mo
dels of damage and failure in
fiber composites", Composites Science and Technology, 62 (2002), 1279
-
1288.


16.

T. Okabe and N. Takeda, "Size effect on tensile strength of unidirectional CFRP composites
-
experiment and simulation", Composites Science and Te
chnology, 62 (2002), 2053
-
2064.


17.

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.


18.

Jae Beom Park, Tomona
ga 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.


19.

N. TOYAMA, T. OKABE and N. TAKEDA, "Lamb wave evaluation and localization of transverse
cracks in cross
-
ply laminates", JOURNAL OF MATERIALS SCIENCE, 38 (2003), 1765
-
1771.


20.

Z. Xia, T. Okabe, J. B. Park, W. A. Curtin, N. Takeda, "Quantitative damage de
tection in CFRP
composites: coupled mechanical and electrical models", Composites Science and Technology, 63 (2003),
1411
-
1422.


21.

N. Toyama, J. Noda and T. Okabe, "Quantitative damage detection in cross
-
ply laminates using
Lamb wave method", Composites

Science and Technology, 63 (2003), 1473
-
1479.


22.

Tomonaga OKABE and Kei URABE, "MONITORING OF FILLER DISTRIBUTION IN RESIN
WITH AN ELECTROMAGNETIC WAVE TRANSMISSION LINE", Advanced Composites Letters,
12, 2 (2003), 63
-
68.


23.

JUNJI NODA, TOMONAGA OKA
BE, NOBUO TAKEDA and MASAO SHIMIZU, "Tensile
strength of CFRP cross
-
ply laminates containing transverse cracks", Advanced Composite Materials, 15
(2006), 81
-
93.


24.

N. Ohno, S. Okabe and T. Okabe, "Stress concentrations near a fiber break in unidirection
al
composites with interfacial slip and matrix yielding", International Journal of Solids and Structures, 41
(2004), 4263
-
4277.


25.

T. Okabe, H. Sekine, J. Noda, M. Nishikawa and N. Takeda, "Characterization of tensile damage
and strength in GFRP cross
-
p
ly laminates", Materials Science and Engineering A, 383 (2004), 381
-
389.


26.

N. TOYAMA and 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.


27.

S. Okabe, N. Ohno and T. Okabe, "Analytical Solutions for Stress Concentrations near a Fiber
Break in Unidirectional Elastoplastic Composites", Key Engineering Materials, 274
-
276 (2004), 1005
-
1010.


28.

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.


29.

T. Okabe, H. Sekine, K. Ishii, M. Nishikawa, N. Takeda, "Numerical method for failure simulati
on
of unidirectional fiber
-
reinforced composites with spring element model", Composites Science and
Technology, 65 (2005), 921
-
933.


30.

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.


31.

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
Eng
ineering, 1, 1 (2007), 102
-
113.


32.

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.


33.

Tomonaga

Okabe, Masaaki Nishikawa, Nobuo Takeda, Hideki Sekine, "Effect of matrix hardening
on the tensile strength of alumina fiber
-
reinforced aluminum matrix composites", Acta Mate
rialia, 54
(2006), 2557
-
2566.


34.

J. Noda, T. Okabe, N. Takeda and M Shimizu, "N
umerical study for identifying damage in open
-
hole composites with embedded FBG sensors and its application to experiment results", Advanced
Composite Materials, 16, 2 (2007), 115
-
134.


35.

Akinori Yoshimura, Shigeki Yashiro, Tomonaga Okabe, Nobuo Takeda,

"Characterization of
Tensile Damage Progress in Stitched CFRP Laminates", Advanced Composite Materials, 16, 3 (2007),
223
-
244.


36.

Shigeki Yashiro, Kazue Murai, Tomonaga Okabe, Nobuo Takeda, "Numerical study for identifying
damage in open
-
hole composite
s with embedded FBG sensors and its application to experiment results",
Advanced Composite Materials, 16, 2 (2007), 115
-
134.


37.

Shigeki Yashiro, Junji Takatsubo, Nobuyuki Toyama, Tomonaga Okabe, Nobuo Takeda,
"Nondestructive evaluation of holed CFRP lam
inates by a new technique to visualize propagation of
ultrasonic waves", Journal of Solid Mechanics and Materials Engineering, 2, 3 (2008), 333
-
341.


38.

Hideki Sekine, Shin
-
Etsu Fujimoto, Tomonaga Okabe, Nobuo Takeda and Toshimitsu Yokobori, Jr.,
"Struct
ual Health Monitoring of Cracked Aircraft Panels Repaired with Bonded Patches Using Fiber
Bragg Grating Sensors", Applied Composite Materials, 13 (2006), 87
-
98.


39.

KOICHI GODA, TOMONAGA OKABE and NOBUO TAKEDA, "A strength reliability model of
uniderectional fiber
-
reinforced ceramic matrix composites by Markov process", Advanced Composite
Materials, 15, 3 (2006), 263
-
285.


40.

S. Yashiro, T. Okabe, N. Toyama, N. Takeda, "Monitoring damage in holed CFRP laminates using
embedded chirped FBG senso
rs", International Journal of Solids and St
ructures, 44 (2007), 603
-
613.


41.

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
-
2
95.


42.
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.



43.

Masaaki Nishikawa, Tomonaga Okabe, Nobuo Takeda, "Numerical simulation of in
terlaminar
damage propagation in CFRP cross
-
ply laminates under transverse loading", International Journal of
Solids and Structures, 3101
-
3113.


44.

N. Hu, K. Nunoya, D. Pan, T. Okabe, H. Fukunaga, "Numerical of buckling characteristic of carbon
nanotubes
", International Journal of Solids and Structures, 44 (2007), 6535
-
6550.


45.

T. Okabe, K. Ishi, M. Nishikawa, N. Takeda, "Prediction of Tensile Strength of Unidirectional
CFRP Composites", Advanced Composite Materials, 19 (2010), 229
-
241.


46.

M. Nishik
awa, T. Okabe, N. Takeda, "Determination of interface properties from experiments on the
fragmentation process in single
-
fiber composites", Materials Science and Engineering A, 480, 1
-
2
(2008), 549
-
557.


47.

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, 14
-
15 (2008), 4098
-
4113.


48.

T. Okabe, M. Nishikawa, N. Takeda, "Nume
rical modeling of progressive damage in fiber
-
reinforced plastic cross
-
ply laminates", Composites Science and Technology, 68, 10
-
11 (2008), 2282
-
2289.


49.

N. Hu, Y. Zemba, T. Okabe, C. Yan, H. Fukunaga, A. M. Elmarakbi, "A new cohesive model for
simulati
ng delamination propagation in composite laminates under transverse loads", Mechanics of
Materials, 40 (2008), 920
-
935.


50.

M. Nishikawa, T. Okabe, N. Takeda, W. A. Curtin, "Micromechanics of the fragmentation process
in single
-
fiber composites", Modeling and Simulation in Materials Science and Engineering, 16, 5
(2008), 055009.


51.

T. Okabe, M. Nishikawa, W. A. Curtin, "Esti
mation 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.


52.

A. Yoshimura, T. Okabe, "Damage

Growth Analysis in Particle
-
Reinforced Composite Using
Cohesive Element", Advanced Composite Materials, 20 (2011), 569
-
583.


53.

I. Taketa, T. Okabe, A. Kitano, "A new compression
-
molding approach using unidirectionally
arrayed chopped strands", Composite
s Part A, 39 (2008), 1884
-
1890.


54.

T. Yamaguchi, T. Okabe and T. Kousaka, "Fatigue simulation for Ti/GFRP laminates using
cohesive elements", Advanced Composite Materials, 19 (2010), 107
-
122.


55.

M. Nishikawa, T. Okabe and N. Takeda, "Periodic
-
cell simu
lations for the microscopic damage and
strength properties of discontinuous carbon fiber
-
reinforced plastic composites", Advanced Composite
Materials, 18 (2009), 77
-
93.


56.

T. Okabe, M. Nishikawa, "GLS strength prediction of glass
-
fiber
-
reinforced polypro
pylene",
JOURNAL OF MATERIALS SCIENCE, 44 (2009), 331
-
334.


57.

T. Okabe, M. Nishikawa and N. Takeda, "Micromechanics on the Rate
-
Dependent Fracture of
Discontinuous Fiber
-
Reinforced Plastics", International Journal of Damage Mechanics, 19 (2010), 339
-
360.


58.

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 (2009), 339
-
341.


59.

Masaaki NISHIKAWA, Tomonaga OKABE and Nobuo TAKEDA, "Effect of the Microstr
ucture on
the Fracture Mode of Short
-
FiberReinforced Plastic Composites", Journal of Solid Mechanics and
Materials Engineering, 3, 8 (2009), 998
-
1009.


60.

Shigeki YASHIRO, Tomonaga OKABE, "Numerical Prediction of Fatigue Damage Progress in
Holed CFRP Lami
nates Using Cohesive Elements", Journal of Solid Mechanics and Materials
Engineering, 11 (2009), 1212
-
1221.


61.

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, 11 (2009), 1202
-
1211.


62.

T. Yamaguchi, T. Okabe, S. Yash
iro, "Fatigue simulation for Titanium/CFRP hybrid laminates
using cohesive elements", Composites Science and Technology, 69 (2009), 1968
-
1973.


63.

Sanjib Chandra Chowdhury, Tomonaga Okabe and Masaaki Nishikawa, "Effects of Vacancy
Defects on the Interfaci
al Shear Strength of Carbon Nanotube Reinforced Polymer Composite", Journal
of Nanoscience and Nanotechnology, 10 (2010), 739
-
745.


64.

I. Taketa, T. Okabe and A. Kitano, "Strength improvement in unidirectional arrayed chopped strands
with interlaminar

toughening", Composites Part A, 40 (2009), 1174
-
1178.


65.

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.


66.

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.


67.

K. Ogi, T. Okabe, M. Takahashi, S. Yashiro, A. Yoshimura and T. Ogasa
wara, "Experimental
characterization of high
-
speed impact damage behavior in a three
-
dimensionally woven SiC/SiC
composite", Composites Part A, 41 (2010), 489
-
498.


68.

Yuan Li, Ning Hu, Go Yamamoto, Zhongchang Wang, Toshiyuki Hashida, Hiroshi Asanuma,
Che
nsong 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.


69.

I. Taketa, N. Sato, A. Kitano, M. Nishikawa and T
. Okabe, "Enhancement of strength and
uniformity in unidirectionally arrayed chopped strands with diagonal angled slits", Composites Part A,
41 (2010), 1639
-
1646.


70.

I. Taketa, T. Okabe, H. Matsutani and A. Kitano, "Flowability of unidirectionally arraye
d chopped
strands in compression molding", Composites Part B, 42 (2011), 1764
-
1769.


71.

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.


72.

S. Yashiro, T. Okabe, "Estimation of fatigue damage in holed composite laminates using an
embedded FBG sensor", Composites Part A, 42 (2011), 1962
-
1969.


73
.

T. Okabe, S. Yashiro, "Damage detection in holed composite laminates using an embedded FBG
sensor", Composites Part A, 43 (2012), 388
-
397.


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, (2012),
in press.


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.


76.

Tomonaga OKABE, Hiroaki MATSUTANI, Takashi HONDA, Shigeki

YASHIRO "Numerical
simulation of microscopic flow in a fiber bundle using the moving particle semiimplicit method",
Composites Part A, In Press.


77.

M. Hashimoto , T. Okabe, T. Sasayama, H. Matsutani, M. Nishikawa, "Prediction of tensile strength
of dis
continuous carbon fiber/polypropylene composite with fiber orientation distribution", Composites
Part A, In Press.


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, in press.


79.

Fumihiko Tanaka , Tomonaga Okabe, Haruki Okuda, Ian A. Kinloch, Robert J. Young, "The Effect
of Nan
ostructure upon the Compressive Strength of Carbon Fibres", Journal of Materials Science, in
press.