PROFILE
NAME
SAIKI, Isao
TITLE
Associate Professor, Dr. Eng.
FIELD
Computational Mechanics, Structural Engineering
UNIVERSITY
Tohoku University [1995]
GRADUATE SCHOOL
Tohoku University, The Graduate School [1997]
EMAIL
PHONE
+81-22-795-7442
FAX
+81-22-795-7441
SUBJECTS
Numerical analysis of composite material and structure
Multi-scale analysis based on mathematical homogenization
Instability and pattern formation of structure ans material
CONTRIBUTIONS:
Publications
- Introduction to Mechanics of Civil and Environmental Engineering, Corona Publishing, 2012. (in Japanese)
- Japanese translation of Computational Methods for Plasticity: Theory and Applications, Morikita Publishing, 2012. (in Japanese)
- Common Sense in Computational Mechanics, Maruzen, 2008. (in Japanese)
Papers
- Fujimoto, R. Saiki, I.,
Accuracy of virtual element with hanging nodes,
Transactions of JSCES, Vol.2024, No.20240011, 2024.
DOI: 10.11421/jsces.2024.20240011
- Urita, R., Saiki, I.:
Fundamental study on the retention of three-dimensional functions in steel truss bridges,
Proc. Constructional Steel, JSSC, Vol.32, pp.534-541, 2024 (in Japanese).
download pdf
- Fujimoto, R. Saiki, I.,
Study of the stabilization parameter in the virtual element method,
Comp. Meths. Appl. Mech. Eng., Vol.428, 117106, 2024.
download pdf
DOI: 10.1016/j.cma.2024.117106
- SUDA, Y., Saiki, I.:
A beam theory considering cross-sectional deformation due to torsion applicable to arbitrary cross-sections,
Japanese J. JSCE, Vol.80, No.15, 23-15003, 2024 (in Japanese).
download pdf
DOI: 10.2208/jscejj.23-15003
- Soejima, M., Hirano, T. and Saiki, I.:
Numerical evaluation of redundancy of steel continuous multiple girder bridges considering failure of deck slabs,
Proc. Constructional Steel, JSSC, Vol.31, pp.200-208, 2023 (in Japanese).
download pdf
- Aoki, H., Saiki, I., Otake, Y., Mitsui, R.:
Estimation of cross-sectional characteristics by machine learning for evaluation of additional stress due to shear lag,
Japanese J. JSCE, Vol.79, No.15, 22-15009, 2023 (in Japanese).
download pdf
DOI: 10.2208/jscejj.22-15009
- Saiki, I., Mitsui, R., Yokoyama, K., Suzuki, T. and Hashimoto, T.:
Influence line analysis of finite element models without model modification based on the reciprocal theory,
J. JSCE, Division A1, Vol.78, No.3, pp.480-489, 2022 (in Japanese).
download pdf
DOI: 10.2208/jscejseee.78.3_480
- Saiki, I. and Tabucvhi, K.:
A beam theory considering cross-sectional deformation due to the Poisson effect,
J. JSCE, Division A2, Vol.75, No.2, pp.I_59-I_68, 2021 (in Japanese).
download pdf
DOI: 10.2208/jscejam.77.2_I_59
- Saiki, I. and Zheng, X.:
A BEAM THEORY WITH CROSS-SECTIONAL DEFORMATION DUE TO BOTH SHEAR LAG AND TRANSVERSE SHEAR,
J. JSCE, Division A2, Vol.77, No.1, pp.1-11, 2021 (in Japanese).
download pdf
DOI: 10.2208/jscejam.77.1_1
- Hoshiya, M., Saiki, I. and Yamamoto, T.:
A STUDY OF CONNECTING SOLID AND BEAM ELEMENTS WITH CROSS-SECTIONAL DEFORMATION,
J. JSCE, Division A2, Vol.75, No.2, pp.I_3-I_12, 2019 (in Japanese).
download pdf
DOI: 10.2208/jscejam.76.2_I_183
- Saiki, I., Zheng, X. and Yamamoto, T.:
SHEAR DEFORMABLE BEAM THEORY WITH WARPING INDEPENDENT OF SHEAR DEFORMATION,
J. JSCE, Division A2, Vol.75, No.2, pp.I_3-I_12, 2019 (in Japanese).
download pdf
DOI: 10.2208/jscejam.75.2_I_3
- Tabuchi, K., Yamamoto, T. and Saiki, I.:
A a parametric study for location and length of the longitudinal stiffeners in web panels under in-plane bending,
Proc. Constructional Steel, JSSC, Vol.27, pp.238-247, 2019 (in Japanese).
- Saiki, I., Fujimoto, R. and Yamamoto, T.:
On the rotation of the cross section for the evaluation of the shear stiffness of beams with heterogeneous cross section,
J. JSCE, Division A2, Vol.74, No.2, pp.I_3-I_11, 2018 (in Japanese).
- Yamamoto, T., Yamada, T., Matsui, K. and Saiki, I.:
Application of numerical procedure for connecting structural and continuum elements to elastoplastic analysis for steel structures,
J. JSCE, Division A2, Vol.74, No.2, pp.I_147-I_158, 2018 (in Japanese).
- Takeda, T., Saiki, I., Yamamoto, T. and Iwatsubo, K.:
Effect of composite action by slab anchors on redundancy of a non-composite multi-girder steel bridge,
J. JSCE, Division A2, Vol.74, No.2, pp.I_579-I_590, 2018 (in Japanese).
- Fujimoto, M., Saiki, I. and Yamamoto, T.:
Static nonlinear redundancy analysis for the steel truss bridges considering dynamic effect,
Proc. Constructional Steel, JSSC, Vol.26, pp.312-319, 2018 (in Japanese).
- Iwatsubo, K., Saiki, I. and Hashimoto, S.:
The relationship between the redundancy and the damage degree of rationalized plate girder bridge,
J. Constructional Steel, JSSC, Vol.26, pp.357-364, 2018 (in Japanese).
- Saiki, I., Nishii, D. and Yamamoto, T.
A beam element for shear lag analysis of beams with arbitrary cross section,
Transactions of JSCES, Vol.2018, No.20180013, 2018 (in Japanese).
- Saiki, I., Kumagai, H., Iwatsubo, K. and Iwakuma, T.:
Fundamental consideration on the redundancy of a continuous multiple plate girder bridge based on nonlinear finite element analysis,
J. Structural Engineering, JSCE, Vol.64A, pp.12-25, 2018 (in Japanese).
- Yamakawa, Y., Ikeda, K., Saiki, I., Desrues, J. and Tanaka, R.:
Diffuse bifurcations engraving diverse shear bands in granular materials
International Journal for Numerical and Analytical Methods in Geomechanics, Vol. 42, pp.3-33, 2018.
- Saiki, I., Arai, A., Yamamoto, T. and Iwakuma, T.:
On the shear stiffness of beams with heterogeneous cross section,
J. JSCE, Division A2, Vol.73, No.2, pp.I_23-I_31, 2017 (in Japanese).
- Iwakuma, T., Saiki, I. and Fujimoto, M.:
Characteristics of two types of fundamental hypoelastic models from the viewpoint of shearing constitutive relation,
J. JSCE, Division A2, Vol.73, No.1, pp.22-33, 2017 (in Japanese).
- Saiki, I., Nishii, D. and Iwakuma, T.:
Enhancement of accuracy of semi-analytical method for shear lag of beams with arbitrary cross section,
J. JSCE, Division A2, Vol.72, No.2, pp.I_53-I_62, 2016 (in Japanese).
- Saiki, I., Kawamura K., Iwatsubo, K. and Iwakuma, T.:
Fundamental consideration on the redundancy of a steel Langer bridge based on nonlinear finite element analysis,
J. Structural Engineering, JSCE, Vol.62A, pp.61-71, 2016 (in Japanese).
- Iwatsubo, K., Saiki, I. and Teramoto, Y.:
Redundancy analysis on rationalized plate girder bridges,
J. Constructional Steel, JSSC, Vol.23, pp.378-385, 2015 (in Japanese).
- Saiki, I., Nishii, D. and Iwakuma, T.:
Semi-analytical method for shear lag analysis of beams with arbitrary cross section,
J. JSCE, Division A2, Vol.71, No.2, pp.I_11-I_18, 2015 (in Japanese).
- Yamada, M., Saiki, I. and Iwakuma, T.:
Fundamental study on torque shear test for evaluation of bonding strength between steel and concrete,
J. Structural Engineering, JSCE, Vol.59A, pp.37-46, 2013 (in Japanese).
- Saiki, I., Yari, K., Yamada, M., Setogawa, A. and Iwakuma, T.,
Evaluation of averaged mechanical property of timoshenko beams with microstructures,
J. JSCE, Division A, Vol.68, 2012 (in Japanese).
- Applied Mechanics Committee, Computational Mechanics Subcommittee,
Recent advances in computational mecahnics for civil engineering,
J. JSCE, Division A, Vol.68, pp.31-50, 2012 (in Japanese).
- Tsukada, M., Saiki, I., Yamada, M. and Iwakuma, T.,
Numerical study on a non-jointification of floor slabs between the bridge slab and the abutment,
J. Structural Engineering, JSCE, Vol.58A, pp.1084-1097, 2012 (in Japanese).
- Kobayashi, T., Saiki, I. and Iwakuma, T.,
Stress rates used in a constitutive relation and localization of deformation,
J. JSCE, Division A, Vol.67, pp.I_281-I_291, 2011 (in Japanese).
- Koyama, S., Katano, S., Saiki, I. and Iwakuma, T.,
A modification of the Mori-Tanaka estimate of average elastoplastic behavior of composites and polycrystals with interfacial debonding,
Mechanics of Materials, Vol.43, pp.538-555, 2011.
- Saiki, I., Kikuchi, H., Yamada, M. and Iwakuma, T.,
Evaluation of Interface Bonding Strength between Steel and Concrete,
J. Applied Mechanics, JSCE, Vol.13, pp.323-329, 2010 (in Japanese).
- Ratel, N., Kawauchi, T., Mori, T., Saiki, I.,Withers, P. J. and Iwakuma, T.,
Application of anisotropic inclusion theory to the deformation of Ni based single crystal superalloys: Stress-strain curves determination,
Mechanics of Materials, Vol.42, Issue 3, pp.237-247, 2010.
- Saiki, I., Tanaka, A., Tozuka, Y., Nakajima, A. and Iwakuma, T.,
A numerical model of steel-concrete interface with a pair potential,
J. Applied Mechanics, JSCE, Vol.12, pp.281-288, 2009 (in Japanese).
- Katano, S., Saiki, I., Koyama, S. and Iwakuma, T.,
Development of a finite element of hybrid composite materials with debonding effect
J. Applied Mechanics, JSCE, Vol.12, pp.299-310, 2009 (in Japanese).
- Saiki, I., Kawauchi, M., Mori, T. and Iwakuma, T.,
Elasto-Plastic Analysis of Nickel Based Superalloy by Nonlinear Homogenization Method
J. Applied Mechanics, JSCE, Vol.11, pp.451-458, 2008 (in Japanese).
- Sinh, G.D., Saiki, I. and Iwakuma, T.,
A finite element of composite materials by an analytical homogenization with a debonding model,
J. Applied Mechanics, JSCE, Vol.10, pp.415-423., 2007 (in Japanese).
- Inoue, J., Nakajima, A. and Saiki, I.,
Experimental study and numerical analysis on structural behavior of rigid connection in hybrid structure with steel plate penetrated by rebar,
J. Structural Engineering, JSCE, Vol.53A, pp.1077-1088, 2007 (in Japanese).
- Saiki, I., Ooue, K., Terada, K. and Nakajima, A.,
Multi-scale modeling for planar lattice microstructures with structural elements,
International Journal for Multiscale Computational Engineering, Vol.4, pp.429-443, 2006.
- Saiki, I., Ikeda, K. and Iwakuma, T.
A bifurcation analysis and extraction of bifurcation modes of a triple bifurcation point by the stiffness modification method,
Transactions of JSCES, Vol.2006, No.20060033, 2006.
- Saiki, I., Sudo, K., Ikeda, K. and Iwakuma, T.
An improvement of the stiffness modification method to find bifurcated paths at a multiple bifurcation point,
J. Structural Mechanics and Earthquake Engineering, JSCE, Vol.62, No.4, pp.782-793, 2006 (in Japanese).
- Saiki, I., Honda, H., Iwakuma, T. and Nakajima, A.,
An application of nonlinear homogenization theory to plate structures by the generalizaed convergence theory,
J. Applied Mechanics, JSCE, Vol.9, pp.203-210, 2006 (in Japanese
- Iwakuma, T., Yamaga, Y. and Saiki, I.,
Effects of self weight to localized deformation and stability of slopes,
J. Applied Mechanics, JSCE, Vol.9, pp.425-436, 2006 (in Japanese
- Inomata, Y., Nakajima, A., Saiki, I. and Ooe, H.,
Effect of deformed bars in axially loaded RC tension members with steel plate on stress transmission behavior
J. Structural Engineering, JSCE, Vol.52A, pp.1083-1090, 2006 (in Japanese).
- Fujimoto, D., Nakajima A., Inoue, J. and Saiki, I.,
Static and fatigue bonding behavior between steel and concrete under bearing force,
J. Structural Engineering, JSCE, Vol.52A, pp.1091-1098, 2006 (in Japanese).
- Saiki, I., Kanke, S., Nakajima, A. and Terada, K.,
Study on multi-scale modeling of plasticity by atomic model,
Struct. Eng./Earth. Eng., JSCE, Vol.22, No.2, pp.209s-217s, 2005.
(reprint from JSCE J. Appl. Mech., 2003.)
- Saiki, I., Ikeda, K. and Murota, K.,
Flower patterns appearing on a honeycomb structure and their bifurcation mechanism,
International Journal of Bifurcation and Chaos, Vol.15, pp.497-515, 2005.
- Miah, M.K., Nakajima, A., Saiki, I., Nakamura, M. and Ooe, H.,
An experimental study on shear force distribution among studs in grouped and ungrouped arrangements,
J. Structural Engineering, JSCE, Vol.51A, pp.1509-1520, 2005.
- Inoue, J., Nakajima, A., Saiki, I., Minamoto, H. and Kamuki, M.,
Effect of steel plate in RC member composing hybrid structure on its mechanical behavior,
J. Structural Engineering, JSCE, Vol.51A, pp.1439-1448, 2005 (in Japanese).
- Nakajima, A., Nishimura, M., Saiki, I. and Ooe, H.,
Effect of application of bearing on interface bonding behavior between steel and cocrete,
Steel Construction Engineering, Vol.12, No.45, pp.185-192, 2005 (in Japanese).
- Saiki, I., Sano, M. and Nakajima, A.,
A consideration on application of homogenization theory to beam and plate structures,
J. Applied Mechanics, JSCE, Vol.7, pp.407-413, 2004 (in Japanese).
- Miah, M.K., Saiki, I. and Nakajima, A.,
Numerical evaluation of static behavior of stud shear connectors,
J. Applied Mechanics, JSCE, Vol.7, pp.571-578, 2004.
- Ooue, K., Saiki, I., Terada, K. and Nakajima, A.,
Nonlinear multi-scale modeling with frame elements for cellular materials,
Struct. Eng./Earth. Eng., JSCE, Vol.21, No.1, pp.67s-75s, 2004.
(reprint from JSCE J. Struct. Mech. Earth. Eng., 2003.)
Appl. Mech., 2003.)
- Kudo, T., Nakajima, A., Saiki, I. and Ooue, K.,
Inelastic behavior of viaduct system with adjacent structures under bi-directional earthquake motions,
J. Structural Mechanics and Earthquake Engineering, JSCE, No.752/I-66, pp.267-276, 2004 (in Japanese).
- Nakajima, A., Asai, T., Saiki, I.,
Comparison of inelastic behavior of continuous composite girder between experiment and numerical analysis,
Steel Construction Engineering, Vol.10, No.40, pp.77-82, 2003 (in Japanese).
- Saiki, I., Kanke, S., Nakajima, A. and Terada, K.,
Study on Multi-scale modeling of plasticity by atomic model,
J. Applied Mechanics, JSCE, Vol. 6, pp. 123-130, 2003 (in Japanese).
- Nakajima, A., Matsuda, M., Saiki, I., Yanagi, T. and Kato, M.,
A study on modeling of an existing steel arch bridge focusing on its natural vibration characteristics,
J. Applied Mechanics, JSCE, Vol. 6, pp. 643-652, 2003 (in Japanese).
- Terada, K., Saiki, I., Matsui, K., Yamakawa, Y.,
Two-scale kinematics and linearization for simultaneous two-scale analysis of periodic heterogeneous solids at finite strain,
Comp. Meths. Appl. Mech. Eng., Vol.192, pp.3531-3563, 2003.
- Saiki, I., Ooue, K., Terada, K. and Nakajima, A.,
Multi-scale analysis of cellular materials with frame elements by nonlinear homogenization,
Trans. of JSME, Vol.69, No.680, pp.786-793, 2003 (in Japanese).
- Nakajima, A., Kinoshita, K., Saiki, I., Miah, M.K., Ooe, H. and Sakai, Y.,
Static and fatigue strength of stud under alternating load conditions,
Steel Construction Engineering, Vol.10, pp.31-41, 2003 (in Japanese).
- Yanagi, T., Nakajima, A. and Saiki, I.,
Two-dimensional elasto-plastic dynamic behavior of deck type steel arch bridge and its modeling,
J. Structural Engineering, JSCE, Vol.49A, pp.543-552, 2003 (in Japanese).
- Nakajima, A., Saiki, I., Kokai, M., Doi, K.,
Takabayashi, Y. and Ooe, H.,
Cyclic shear force-slip behavior of
studs under alternating and pulsating load condition,
Engineering Structures, Vol.25, pp.537-545, 2003.
(repreint from
US-Japan Seminar on Advanced Stability and
Seismicity Concept for Performance-based Design of
Steel and Composite Structures, Kyoto, 2001.)
- Ooue, K., Saiki, I., Terada, K. and Nakajima, A.,
Nonlinear multi-scale modeling with frame elements for cellular materials,
J. Structural Mechanics and Earthquake Engineering, JSCE, No.724/I-62, pp.249-256, 2003 (in Japanese).
- Tanaka, R., Saiki, I. and Ikeda, K.,
Group-Theoretic Bifurcation Mechanism of Pattern Formation in Three-Dimensional Uniform Materials,
International Journal of Bifurcation and Chaos, Vol.12, pp.2767-2798, 2002.
- Kanke, S., Saiki, I., Nakajima, A., Terada, K. and Ikeda, K.,
Multi-scale modeling of discrete systems with potential function,
J. Applied Mechanics, JSCE, Vol.5, pp.167-173, 2000.
- Nakajima, A., Uchikawa, N. and Saiki, I.,
A fundamental study on natural vibration and damping characteristics of a simple model for bridges,
J. Structural Engineering, JSCE, Vol.48A, pp.319-328, 2002 (in Japanese).
- Saiki, I., Terada, K., Ikeda, K. and Hori, M.,
Appropriate number of unit cells in a representative volume element for micro-structural bifurcation encountered in a multi-scale modeling,
Comp. Meths. Appl. Mech. Eng., Vol.191, pp.2561-2585, 2002.
(
Science Direct
)
- Saiki, I., Ooue, K., Nakajima, A. and Terada, K.,
Multi-scale Modeling for Microstructures with
Structural Elements and its Application to Cellular Solids,
Transactions of JSCES, No.20020004, 2002 (in Japanese).
- Saiki, I., Tanaka, R. and Ikeda, K.,
Bifurcation mechanism of pattern formation for
three-dimensional uniform materials,
Journal of Geotechnical Engineering,
JSCE, No.694/III-57, pp.259-276, 2001 (in Japanese).
- Nakajima, A., Doki, H. and Saiki, I.,
Nonlinear simulation method for vehicle-bridge vibrational problem,
Journal of Structural Mechanics and Erthquake Engineering,
JSCE, No.682/I-56, pp.391-398, 2001 (in Japanese).
- Nakajima, A., Fukuda, J., Saiki, I. and Iwakuma, T.,
A study on effect of geometrical and material nonlinearity on seismic behavior of steel pier,
JSCE Journal of Structural Mechanics and Erthquake Engineering,
JSCE, No.682/I-56, pp.427-432, 2001 (in Japanese).
- Ikeda, K., Murakami, S., Saiki, I., Sano, I. and Oguma, N.,
Image simulation of uniform materials
subjected to recursive bifurcation,
Int. J. Eng. Science, Vol.39, pp.1963-1999, 2001.
(
Science Direct
)
- Nakajima, A., Kudo, T., Shoji, Y. and Saiki, I.,
Applicability of simplified models for simulating
elasto-plastic dynamic behavior of viaduct systems,
J. Structural Engineering, JSCE, Vol.47A, pp.831-842, 2001 (in Japanese).
- Nakajima, A., Asai, T., Ooki, F., Saiki, I. and Fujii, M.,
An experimental study on structural characteristics of negative moment region in continuous composite girder,
Journal of Constructional Steel, Vol.8, pp.485-492, 2000 (in Japanese).
- Saiki, I., Terada, K. and Ikeda, K.,
Estimate of microstructural periodicity in multi-scale modeing for macroscopic material instability bsed on the block-diagonalization method,
J. Applied Mechanics, JSCE, Vol.3, pp.37-45, 2000 (in Japanese).
- Ooue, K., Saiki, I., Nakajima, A. and Terada, K.,
Multi-scale modeling for cellular solids with frame element,
J. Applied Mechanics, JSCE, Vol.3, pp.185-192, 2000 (in Japanese).
- Oide, K., Nakajima, A. and Saiki, I.,
Three dimensional dynamic response analysis of bridge piers by rigid-body-spring model,
Journal of Structural Mechanics and Erthquake Engineering,
JSCE, No.654/I-52, pp.259-270, 2000 (in Japanese).
- Terada, K., Saiki, I. and Matsui, K.,
Kinematically correct formulation for two-scale finite deformation problems,
Transactions of JSCES, Vol.2, pp.53-62, 2000.
- Nakajima, A., Saiki, I., Annaka, M., Wada, T. and Yoshida, I.,
A study on behavior of shear connectors in composite girder bridge subjected to transverse force,
J. Structural Engineering, JSCE, Vol.46A, pp.1573-1582, 2000 (in Japanese).
- Saiki, I., Terada, K. and Ikeda, K.,
Micro-scale Problems with Buckling for Multi-scale Analyses of Cellular Solids,
J. Applied Mechanics, JSCE, Vol.2, pp.287-294, 1999 (in Japanese).
- Saiki, I., Murakami, S., Sano, I., Ikeda, K. and Terada, K.,
Image analysis of shear bands on kaorin by bifurcation theory,
J. Applied Mechanics, JSCE, Vol.1, pp.15-22, 1998 (in Japanese).
- Gotou, F., Kobayashi, H., Saiki, I. and Iwakuma, T.,
Spacial beam analysis using degree of rotational freedom
about 3 axes of rectangular Cartesian coordinates,
J. Applied Mechanics, JSCE, Vol.1, pp.319-328, 1998 (in Japanese).
- Saiki, I., Gotou, F. and Iwakuma, T.,
A numerical method for dynamic analysis of spatial rods,
J. Structural Engineering, JSCE, Vol.44A, pp.315-322, 1998 (in Japanese).
- Gotou, F., Saiki, I., Sei, S. and Iwakuma, T.,
Geometric or virtual-work-based formulation of beam elements
in finite displacements and consideration of extension,
J. Structural Engineering, JSCE, Vol.44A, pp.307-314, 1998 (in Japanese).
- Saiki, I., Iwakuma, T., Sharma, M. P. and Iura, M.,
A numerical method for dynamic analysis of planar flexible structures,
J. Structural Engineering, JSCE, Vol.42A, pp.275-282, 1996 (in Japanese).
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