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TOP > Labs > Structural Mechanics > SAIKI, Isao

PROFILE

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NAME

SAIKI, Isao
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TITLE

Associate Professor, Dr. Eng.
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FIELD

Computational Mechanics, Structural Engineering
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UNIVERSITY

Tohoku University [1995]
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GRADUATE SCHOOL

Tohoku University, The Graduate School [1997]
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EMAIL

email
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PHONE

+81-22-795-7442
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FAX

+81-22-795-7441
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SUBJECTS

Numerical analysis of composite material and structure
Multi-scale analysis based on mathematical homogenization
Instability and pattern formation of structure ans material
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CONTRIBUTIONS:

Publications

  1. Introduction to Mechanics of Civil and Environmental Engineering, Corona Publishing, 2012. (in Japanese)
  2. Japanese translation of Computational Methods for Plasticity: Theory and Applications, Morikita Publishing, 2012. (in Japanese)
  3. Common Sense in Computational Mechanics, Maruzen, 2008. (in Japanese)

Papers

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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).
  12. 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).
  13. 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).
  14. 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).
  15. 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).
  16. 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).
  17. 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).
  18. 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).
  19. 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.
  20. 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).
  21. 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).
  22. 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).
  23. 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).
  24. 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).
  25. 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).
  26. 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).
  27. 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).
  28. 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).
  29. 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).
  30. 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).
  31. 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.
  32. 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).
  33. 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.
  34. 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).
  35. 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).
  36. 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).
  37. 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).
  38. 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).
  39. 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.
  40. 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.
  41. 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).
  42. 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
  43. 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
  44. 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).
  45. 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).
  46. 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.)
  47. 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.
  48. 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.
  49. 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).
  50. 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).
  51. 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).
  52. 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.
  53. 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.)
  54. 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).
  55. 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).
  56. 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).
  57. 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).
  58. 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.
  59. 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).
  60. 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).
  61. 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).
  62. 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.)
  63. 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).
  64. 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.
  65. 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.
  66. 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).
  67. 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 )
  68. 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).
  69. 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).
  70. 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).
  71. 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).
  72. 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 )
  73. 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).
  74. 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).
  75. 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).
  76. 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).
  77. 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).
  78. 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.
  79. 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).
  80. 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).
  81. 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).
  82. 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).
  83. 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).
  84. 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).
  85. 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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