Kobayashi Yoshikazu

Department of Civil EngineeringProfessor

Research Keyword

  • liquefaction
  • Numerical Analysis
  • System Identification
  • Acoustic Emission
  • Non Destructive Testing

Field Of Study

  • Social infrastructure (civil Engineering, architecture, disaster prevention), Structural and seismic engineering, Structural Engineering, Earthquake Engineering, Maintenance Management Engineering
  • Social infrastructure (civil Engineering, architecture, disaster prevention), Geotechnical engineering, Soil Foundations Engineering
  • Social infrastructure (civil Engineering, architecture, disaster prevention), Civil engineering (materials, implementation, construction management), Civil Engineering Materials/Execution/Construction Management

Career

  • Apr. 2016 - Present
    College of Science and Technology, Nihon Univresity, Department of Civil Engineering, Professor
  • Apr. 2010 - Mar. 2016
    College of Science and Technology, Nihon University, Department of Civil Engineering, Associate Professor
  • Apr. 2006 - Mar. 2010
    College of Science and Technology, Nihon University, Department of Civil Engineering, Assistant Professor

Educational Background

  • Apr. 1997 - Mar. 2001
    The University of Tokyo, Graduate School, Division of Engineering, Department of Civil Engineering
  • Apr. 1995 - Mar. 1997
    Nihon University, Graduate School, Division of Science and Engineering, Department of Civil Engineering
  • 01 Apr. 1991 - 31 Mar. 1995
    Nihon University, College of Science and Technology, Department of Civil Engineering
  • Apr. 1991 - Mar. 1995
    Nihon University, College of Science and Technology, Department of Civil Engineering

Award

  • 日本非破壊検査協会, 日本非破壊検査協会・学術奨励賞
    Others
  • 日本材料学会・第14回コンクリート構造物の補修, 補強, アップグレードシンポジウム・最優秀論文賞
  • 地盤工学会・事業企画賞
    Others
  • 地盤工学会・国際会議若手優秀論文賞

Paper

  • Application of Classified Elastic Waves for AE Source Localization Based on Self-Organizing Map
    Katsuya Nakamura; Yoshikazu Kobayashi; Kenichi Oda; Satoshi Shigemura
    Applied Sciences, May 2023, Refereed
  • Classification of Elastic Wave for Non-Destructive Inspections Based on Self-Organizing Map
    Katsuya Nakamura; Yoshikazu Kobayashi; Kenichi Oda; Satoshi Shigemura
    SUSTAINABILITY, Mar. 2023, Refereed
  • Improved Acoustic Emission Tomography Algorithm Based on Lasso Regression
    Xin Qiao; Yoshikazu Kobayashi; Kenichi Oda; Katsuya Nakamura
    APPLIED SCIENCES-BASEL, Nov. 2022, Refereed
  • Validation of elastic wave arrival detection method based on use of sparse matrix computation
    K Nakamura; Y Kobayashi; K Oda; S Shigemura; K Ikebata
    IOP Conference Series: Materials Science and Engineering, Apr. 2022, Refereed
  • New algorithm of Acoustic Emission Tomography that considers change of emission times of AE events during identification of elastic wave velocity distribution
    Y. Kobayashi; K. Nakamura; K. Oda
    11th International Conference on Bridge Maintenance, Safety and Management, 2022, Refereed
  • Evaluation of Unfilled Sheath in Concrete Structures Using Response Waveform in Time Domain
    Kota Ikebata; Yoshikazu Kobayashi; Kenichi Oda; Katsuya Nakamura
    Applied Sciences, Dec. 2021, Refereed, Not invited
  • Influence of the input frequency for soundness evaluation of concrete structure based on waveform analysis
    Kota Ikebata; Yoshikazu Kobayashi; Kenichi Oda; Katsuya Nakamura
    International Conference CIBv 2020 Civil Engineering and Building Services, IOP Conference Series: Materials Science and Engineering, Apr. 2021, Refereed, Not invited
  • Validation of AE tomography based on model tests of soil specimen with heterogeneous elastic wave velocity distribution
    Katsuya Nakamura; Yoshikazu Kobayashi; Kenichi Oda; Satoshi Shigemura and Kota Ikebata
    International Conference CIBv 2020 Civil Engineering and Building Services, IOP Conference Series: Materials Science and Engineering, Apr. 2021, Refereed, Not invited
  • Study on determination of an object material using the microwave doppler sensor
    Kenichi Oda; Katsuya Nakamura; Kota Ikebata; Yoshikazu Kobayashi
    International Conference CIBv 2020 Civil Engineering and Building Services, IOP Conference Series: Materials Science and Engineering, Apr. 2021, Refereed, Not invited
    Last
  • 時刻歴波形ノイズ部の実効電圧を用いた AE 到達時刻自動検出手法の開発
    中村 勝哉; 小林 義和; 小田 憲一; 池端 宏太
    土木学会論文集A2(応用力学), 2021, Refereed, Not invited
  • 時系列応答波形を用いた矩形断面構造物の内部欠陥探査
    Kota IKEBATA; Yoshikazu KOBAYASHI; Kenichi ODA; Katsuya NAKAMURA
    コンクリート構造物の補修, 補強, アップグレード論文報告集, Oct. 2020, Refereed, Not invited
  • Inverse Simulation for Extracting the Flow Characteristics of Artificial Snow Avalanches Based on Computation Fluid Dynamics
    Kenichi Oda; Katsuya Nakamura; Yoshikazu Kobayashi; Jun-ichi Suzumura
    Geosciences, Jun. 2020, Refereed
  • AEトモグラフィ法における弾性波の発信位置同定手法の改良
    小林 義和
    コンクリート構造物の非破壊検査シンポジウム論文集, Aug. 2018, Refereed, Not invited
    Lead
  • A Source Localization Technique Based on a Ray-Trace Technique with Optimized Resolution and Limited Computational Costs
    Kobayashi; Y.; Oda; K.; Nakamura; K.
    proceedings, Jul. 2018, Refereed, Not invited
  • Source location algorithm with controlled resolution based on ray-trace technique
    Kobayashi; Y.; Oda; K.; Tamura; Y.; Fuse; T.; Shiotani; T.
    Proceedings of Second International RILEM/CONST Conference on Early Age Cracking and Serviceability in Cement-based Materials and Structures, Sep. 2017, Refereed, Not invited
    Lead
  • Damage evaluation of RC bridge deck under wheel loading test by means of AE Tomography
    Takahiro Nishida; Tomoki Shiotani; Hirofumi Asaue; T. Maeshima; Yoshikazu Kobayashi
    IAES-23 & IIIAE 2016 Kyoto & ICAE-8, Kyoto, Dec. 2016, Refereed, Not invited
  • Evaluation of grouting condition of prestressing reinforcement by means of wave velocity tomography
    Artur Sagradyan; Tomoki Shiotani; Takahiro Nishida; Hirofumi Asaue; Yoshikazu Kobayashi
    IAES-23 & IIIAE 2016 Kyoto & ICAE-8, Dec. 2016, Refereed, Not invited
  • Damage evaluation for In-field RC bridge deck by AE Tomography
    M. Fukuda; Tomoki Shiotani; Takahiro Nishida; Hirofumi Asaue; Yoshikazu Kobayashi
    IAES-23 & IIIAE 2016 Kyoto & ICAE-8, Dec. 2016, Refereed, Not invited
  • Evaluation of water leakage repair by one side access elastic wave tomography using Rayleigh wave
    Hirofumi Asaue; Tomoki Shiotani; Takahiro Nishida; C. Huang
    IAES-23 & IIIAE 2016 Kyoto & ICAE-8, Dec. 2016, Refereed, Not invited
  • Development of elastic wave tomography method for evaluation of internal concrete using drilling holes
    Hitoshi Yatsumoto; Takahiro Nishida; Tomoki Shiotani; C. Huang; Norihiko Ogura; Yoshikazu Kobayashi
    IAES-23 & IIIAE 2016 Kyoto & ICAE-8, Dec. 2016, Refereed, Not invited
  • Three-dimensional Q-Value AE-Tomography ad its verification on numerical investigations
    Yoshikazu Kobayashi; Tomoki Shiotani
    IAES-23 & IIIAE 2016 Kyoto & ICAE-8, Dec. 2016, Refereed, Not invited
    Lead
  • Two-dimesional Q-Value AE-Tomography and its verification on numerical investigations
    Yoshikazu Kobayashi; Tomoki Shiotani
    32nd Conference of the European Working Group on Acoustic Emission, Sep. 2016, Refereed, Not invited
    Lead
  • Hybrid elastic-wave CT with impact acoustics for single-side measurement in concrete structures
    Tomoki Shiotani; Yoshikazu Kobayashi; Kai-Chun Chang
    CONSTRUCTION AND BUILDING MATERIALS, Jun. 2016, Refereed, Not invited
  • Two-dimensional Q Value Tomography and its verification on numerical investigations
    Yoshikazu Kobayashi; Tomoki Shiotani
    Structural Faults and Repair 2016, May 2016, Refereed, Not invited
    Lead
  • Development of a tomography technique for assessment of the material condition of concrete using optimized elastic wave parameters
    Hwa-Kian Chai; Kit-Fook Liu; Arash Behnia; Yoshikazu Kobayashi; Tomoki Shiotani
    Materials, Apr. 2016, Not refereed, Not invited
  • Two-dimensional AE-Tomography based on ray-trace technique for anisotropic materials
    Yoshikazu Kobayashi; Tomoki Shiotani
    Emerging Technologies in Non-Destructive Testing VI, Dec. 2015, Refereed, Not invited
    Lead
  • Verification of Composite AE-Tomography on Varying Anisotropy of Elastic Wave Velocity
    Yoshikazu Kobayashi; Tomoki Shiotani
    Proceedings of The 7th Asia and Pacific Young Researchers and Graduates Symposium, Aug. 2015, Refereed, Not invited
  • Feasibility of Elastic Wave Parameters for Tomographic Assessment of PC Tendon Duct Filling
    Liu; K.F.; Kobayashi; T.; Chai; H.K.; Shiotani; T.; Yuen; C.W.
    Proceedings of The 7th Asia and Pacific Young Researchers and Graduates Symposium, Aug. 2015, Refereed, Not invited
  • Verification of Source Location Accuracy by AE-Tomography
    Momoki; S.; Kobayashi; T.; Shiotani; T.
    The 22nd International Acoustic Emission Symposium, Nov. 2014, Refereed, Not invited
  • Damage Visualization of Rock Material in Triaxial Compression Test with 3D-AE Tomography
    Osawa; T.; Shiotani; T.; Momoki; S.; Kobayashi; Y.
    The 22nd International Acoustic Emission Symposium, Nov. 2014, Refereed, Not invited
  • Two-dimensional Source Location Technique on Anisotropic Medium on the Basis of Ray-tracing
    Kobayashi; Y.; Shiotani; T.
    The 22nd International Acoustic Emission Symposium, Nov. 2014, Refereed, Not invited
    Lead
  • 弾性波トモグラフィ法によるPC構造物の健全性評価に関する研究
    5) 桃木 昌平; 塩谷 智基; 小林 義和
    プレストレストコンクリート工学会・第23回シンポジウム論文集, Oct. 2014, Refereed, Not invited
  • 打音検査を利用する弾性波トモグラフィ計測技術の開発
    桃木 昌平; 塩谷 智基; 小林 義和; 水谷 麻起子
    第14回コンクリート構造物の補修, 補強, アップグレードシンポジウム, Oct. 2014, Refereed, Not invited
  • Application of 3D AE Tomography for Triaxial Tests of Rocky Specimens
    Shiotani; T.; Osawa; S.; Kobayashi; T.; Momoki; S.
    31st Conference of the European Working Group on Acoustic Emission, Sep. 2014, Refereed, Not invited
  • System Identification for Three-dimensional AE-Tomography with Kalman Filter
    Kobayashi; Y.; Shiotani; T.; Oda; K.
    31st Conference of the European Working Group on Acoustic Emission, Sep. 2014, Refereed, Not invited
  • Development of Tomography Reconstruction Techniques for Concrete Using Elastic Wave Time and Frequency Domain Parameters
    Liu; K. F.; Chai; H. K.; Kobayashi; Y.; Shiotani; T.
    The 6th Asia and Pacific Young Researchers and Graduates Symposium, Aug. 2014, Refereed, Not invited
  • Two-dimensional ray-trace technique for anisotropic materials
    Kobayashi; Y.; Shiotani; T.; Oda; K.
    The 6th Asia and Pacific Young Researchers and Graduates Symposium, Aug. 2014, Refereed, Not invited
  • Three-dimensional AE-Tomography with accurate source location technique
    Kobayashi; Y.; Shiotani; T.; Oda; K.
    Structural Faults and Repair 2014, Jul. 2014, Refereed, Not invited
    Lead
  • Condition Assessment of PC Tendon Duct Filling by Elastic Wave Velocity Mapping
    Kit Fook Liu; Hwa Kian Chai; Nima Mehrabi; Kobayashi Yoshikazu; Tomoki Shiotani
    SCIENTIFIC WORLD JOURNAL, 2014, Refereed, Not invited
  • Mesh-independent ray-trace algorithm for concrete structure
    Y. Kobayashi
    CONSTRUCTION AND BUILDING MATERIALS, Nov. 2013, Refereed, Not invited
  • EFFECTS OF NUMBER OF EVENTS AND RELAY POINT DENSITY ON ACCURACY OF THREE-DIMENSIONAL AE-TOMOGRAPHY
    Kobayashi; Y.; Shiotani; T.; Oda; K.
    The 5th Asia and Pacific Young Researchers and Graduates Symposium, Oct. 2013, Refereed, Not invited
    Lead
  • ASSESSMENT OF INFRASTRUCTURES BY MEANS OF PASSIVE AND POSITIVE ELASTIC WAVES APPROACHES
    Shiotani; T.; Kobayashi; Y.; Momoki; S.
    12th International Conference of the Slovenian Society for Non-Destructive Testing, Sep. 2013, Refereed, Not invited
  • Large-scale evaluation of concrete repair by three-dimensional elastic-wave based visualization technique
    Momoki; S.; Shiotani; T.; Chai; H. K.; Aggelis; D. G.; Kobayashi; Y.
    Structural Health Monitoring, May 2013, Refereed, Not invited
  • System identification with the kalman filter in ray-trace based AE-Tomography
    T. Shiotani
    The First International Conference on Performance-based and Life-cycle Structural Engineering(CD), Dec. 2012, Refereed, Not invited
    Lead
  • Application of AE Tomography for fracture visualization of rock material
    Iwamoto; K.; T. Shiotani; S. Momoki
    JSNDI, Progress in Acoustic Emission XVI, Oct. 2012, Refereed, Not invited
  • Basic study on application of discrete element method for slope failure analysis
    Y. Kawamura
    15th World Conference on Earthquake Engineering(CD), Sep. 2012, Refereed, Not invited
  • Seismic Tomography with Estimation of Source Location for Concrete Structures
    Tomoki Shiotani
    tructural Faults and Repair 2012(CD), Jul. 2012, Refereed, Not invited
    Lead
  • Three-dimensional seismic tomography with tetrahedra element on isoparametric mapping
    Yoshikazu Kobayashi
    International Journal of Structural Engineering, Jan. 2012, Refereed, Not invited
  • Mesh-independent ray-trace algorithm for concrete structures
    PROCEEDINGS OF THE FIFTH CONFERENCE ON EMERGING TECHNOLOGIES IN NDT(CD), Sep. 2011, Refereed, Not invited
    Lead
  • Numerical simulation of elastic waves for visualization of defects
    D.G. Aggelis; N. Tsimpris; H.K. Chai; T. Shiotani
    Construction and Building Materials, Apr. 2011, Refereed, Not invited
  • 三次元弾性波トモグラフィによるコンクリート構造物の健全性評価
    桃木 昌平; 蔡 華堅; 塩谷 智基; 宮永孝志
    構造工学論文集, Apr. 2011, Refereed, Not invited
  • Tomographic reconstruction for concrete using attenuation of ultrasound
    3) H.K. Chai; S. Momoki; D.G. Aggelis; T. Shiotani
    NDT&E International, Mar. 2011, Refereed, Not invited
  • Parametric analysis of thermal stress of concrete gravity dam
    2) Tatsuro Sakurai; Hiroo Shiojiri
    Proceeding of 6th International Conference on Dam Engineering(CD), Feb. 2011, Refereed, Not invited
  • Single-side access tomography for evaluating interior defect of concrete
    H.K. Chai; D.G. Aggelis; S. Momoki; T. Shiotani
    Construction and Building Materials, Dec. 2010, Refereed, Not invited
  • Solid-Fluid Interaction Analysis with Compulsory Displacement by Smoothed Particle Hydrodynamics
    Takaaki FUSE
    Proceedings of the Twelfth International Summer Symposium, Sep. 2010, Refereed, Not invited
  • THREE-DIMENSIONAL SEISMIC TOMOGRAPHY FOR EXISTING STRUCTURES ON EXTENDED KALMAN FILTER
    STRUCTURAL FAULTS AND REPAIR-2010(CD), Jun. 2010, Refereed, Not invited
    Lead
  • ZERO-GRAVITY TRIAXIAL SHEAR TESTS ON MECHANICAL PROPERTIES OF LIQUEFIED SAND AND PERFORMANCE ASSESSMENT OF MITIGATIONS AGAINST LARGE GROUND DEFORMATION
    Ikuo Towhata; Trinh Thi Lan Anh; Suguru Yamada; Ramin Motamed
    Fifth International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, May 2010, Refereed, Not invited
  • Recent development in tomoraphy techniques for non-destructive evaluation of concrete
    Chai HK; Momoki S; Aggelis DG; Kobayashi Y. and Shiotani T
    Proceedings of the Second Asia-Pasific Young Researchers and Graduates Symposium, Mar. 2010, Refereed, Not invited
  • THREE-DIMENSIONAL SEISMIC TOMOGRAPHY WITH TETRAHEDRAL ELEMENT ON ISOPARAMETRIC MAPPING
    Yoshikazu Kobayashi
    Proceedings of the Second Asia-Pasific Young Researchers and Graduates Symposium, Mar. 2010, Refereed, Not invited
    Lead
  • Hybrid method of MPS and FEM for uplift analysis of embedded structures in liquefied ground
    Proceedings of APCOM'07-EPMESC XI(CD), Dec. 2007, Refereed, Not invited
    Lead
  • Three-Dimensional Seismic Tomography for Existing Concrete Structures
    Tomoki Shiotani; Dimitrios G. Aggelis; Hiroo Shiojiri
    International Operational Modal Analysis Conference 2007, May 2007, Refereed, Not invited
    Lead
  • DAMAGE IDENTIFICATION USING SEISMIC TRAVEL TIME TOMOGRAPHY ON THE BASIS OF EVOLUATIONAL WAVE VELOCITY DISTRIBUTION
    Yoshikazu Kobayashi; Tomoki Shiotani; Hiroo Shiojiri
    STRUCTURAL FAULTS AND REPAIR-2006(CD), Jun. 2006, Refereed, Not invited
    Lead
  • Deformation analysis of liquefied ground by particle method
    Kobayashi Yoshikazu
    Geotechnical symposium in Rome(CD), Mar. 2006, Refereed, Not invited
    Lead
  • 有限要素法地震応答解析:ケーススタディに見る長所と問題点
    吉田 望; 船原 英樹; 小林 義和; 小林 恒一
    土と基礎, Aug. 2005, Refereed, Not invited
  • Three dimensional analysis on lateral flow of liquefied ground and its mitigation by sheet pile walls
    I. Towhata
    International Journal on Computational Fluid Dynamics, Jan. 2005, Refereed, Not invited
    Lead
  • 矢板護岸及び杭基礎を含む液状化地盤を対象とした大型振動台模型実験の有効応力解析
    川口和広; 大矢陽介; 丸山拓哉; 小林義和; 佐藤正義
    液状化地盤中の杭の挙動と設計法に関するシンポジウム発表論文集, Dec. 2004, Refereed, Not invited
  • Three-dimensional Analysis on Subsidence of Shallow Foundation resting on Liquefied Ground
    Yoshikazu Kobayashi; Ikuo Towhata
    Thirteenth World Conference on Earthquake Engineering Conference Proceedings(CD), Aug. 2004, Refereed, Not invited
    Lead
  • Numerical Study on Lateral Spreading of Liquefied Ground behind a Sheet pile Model in a Large Scale Shake Table Test
    Masoud Mohajeri; Yoshikazu Kobayashi; Kazuhiro Kawaguchi; Masayoshi Sato
    Thirteenth World Conference on Earthquake Engineering Conference Proceedings(CD), Aug. 2004, Refereed, Not invited
  • 粘性流体モデルによる地盤の流動解析とその検証
    小林 義和; 東畑 郁生
    土木学会論文集, Jun. 2004, Refereed, Not invited
    Lead
  • 粘性流体モデルによる送電鉄塔の三次元沈下予測
    小林 義和; 東畑 郁生
    土木学会地震工学論文集VOL.27(CD), Dec. 2003, Refereed, Not invited
    Lead
  • 粘性流体モデルによる液状化時の地下埋設構造物浮上解析
    小林 義和; 東畑 郁生
    第48回地盤工学シンポジウム論文集(CD), Nov. 2003, Refereed, Not invited
    Lead
  • 地盤の側方境界が地中構造物の浮き上がりに与える影響
    川口 和広; 吉田 望; 小林 義和; 村上 正明
    第48回地盤工学シンポジウム論文集(CD), Nov. 2003, Refereed, Not invited
  • 2 and 3-Dimensional Dynamic Analysis of Large Defor-mation of Liquefied Ground
    Y. Kobayashi; S. Nishimura
    Proceeding of the Twelfth Asian Regional Conference on Soil Mechanics and Geotechnical Engineering(CD), Aug. 2003, Refereed, Not invited
    Lead
  • Identification of Dynamic Model of RC Building
    ABDULLA Abrikim; SHIOJIRI Hiroo; KOBAYASHI Yoshikazu
    Peoceedings of The 5th International Conference on Civil Engineering The 3rd Pacific Asia Conference on Mechanical Engineering(CD), Aug. 2002, Refereed, Not invited
  • 液状化地盤の流動変位の三次元大変形動的解析
    小林 義和
    土と基礎 側方変位・流動の予測と対策特集号, Feb. 2002, Refereed, Not invited
    Lead
  • SUBSIDENCE OF BUILDING FOUNDATION RESTING UPON LIQUEFIED SUBSOIL; CASE STUDIES AND ASSESSMENT
    Acacio A. A.; Kobayashi Y; Towhata I.; Bautista R. T.; Ishihara K
    SOILS AND FOUNDATIONS, Dec. 2001, Refereed, Not invited
  • ANALYSIS ON LIQUEFACTION-INDUCED SUBSIDENCE OF SHALLOW FOUNDATION
    Yoshikazu Kobayashi; Ikuo Towhata; Alexis A. Acacio
    Proceedings of the seventh U.S.-Japan Workshop on Earthquake Resistant Design of Lifeline facilities and Counter measures Against Soil liquefaction, Nov. 1999, Refereed, Not invited
    Lead
  • Shaking table tests on seismic earth pressure exerted on retaining wall model
    K.Watanabe; T.Maeda; Y.Kobayashi; I.Towhata
    Proceedings of the Second International Conference on Earthquake Geotechnical Engineering, Jun. 1999, Refereed, Not invited
  • 地盤の液状化による基礎の沈下解析
    小林 義和; 東畑 郁生; ALEXIS A. ACACIO; 野村 卓史
    地震時の地盤・土構造物の流動性と永久変形に関するシンポジウム発表論文集, May 1998, Refereed, Not invited
    Lead
  • 弾性波による地盤物性の同定
    小林 義和; 塩尻 弘雄
    構造工学論文集, Mar. 1998, Refereed, Not invited
    Lead
  • IDENTIFICATION OF SOIL PROPERTIES FROM WAVE MOTION OF GROUND
    Hiroo Shiojiri; Yoshikazu Kobayashi
    Structual safety and Reliability, 1997, Refereed, Not invited

MISC

  • 時系列応答波形の変化量(差分値)を指標としたコンクリート構造物の内部欠陥評価
    池端宏太,小林義和,小田憲一,中村勝哉
    「超音波テクノ」特集 超音波等を適用したプラントの保守検査, 01 Feb. 2022, Not refereed, Not invited
  • Development of Elastic Wave Tomography Measurement Technology that uses Hammering Test
    桃木 昌平; 塩谷 智基; 小林 義和
    とびしま技報, 2014

Books and other publications

  • Innovative AE and NDT Techniques for On-Site Measurement of Concrete and Masonry Structures
    F. Accorner; D.G. Aggelis; A. Carpinteri; C.U. Grosse; Y. Kobayashi; G. Lacidogna; T. Shiotani, Joint work, Computerized AE Tomography, F. Accorner; D.G. Aggelis; A. Carpinteri; C.U. Grosse; Y. Kobayashi; G. Lacidogna; T. Shiotani
    Springer, 2016, Not refereed
  • VBAによるプログラミングの理解と実際 —演習:地球環境化学系問題—VBAによるプログラミングの理解と実際 —演習:地球環境化学系問題—
    鈴村 順一; 相馬 直孝; 小林 義和; 西川 貴雄; 栃木 勝己; 久保田 進, Joint work, 鈴村 順一; 相馬 直孝; 小林 義和; 西川 貴雄; 栃木 勝己; 久保田 進
    化学工業社, Mar. 2013, Not refereed
    9784759400021

Lectures, oral presentations, etc.

  • AE 到達時刻の検出を目的とした SOM による AE 波のクラスタリング
    王 哲杰; 小林義和,小田憲一,中村勝哉
    2021年度秋季講演大会, Nov. 2021, 一般社団法人日本非破壊検査協会, Not invited
  • AE トモグラフィ法によって同定された弾性波速度分布に基づく構造物の性能照査
    海野 征久; 小林義和,小田憲一,中村勝哉
    2021年度秋季講演大会, Nov. 2021, 一般社団法人日本非破壊検査協会, Not invited
  • ニューラルネットワークを用いた弾性波到達時刻自動検出手法
    北沢 大樹; 小林義和,小田憲一,中村勝哉
    2021年度秋季講演大会, Nov. 2021, 一般社団法人日本非破壊検査協会, Not invited
  • Current problem and challenge on Acoustic emission tomography
    Yoshikazu KOBAYASHI
    INTERNATIONAL CONFERENCE CIBv2021CIVIL ENGINEERING AND BUILDING SERVICES, Nov. 2021, Transylvania University of Brasov, Invited
  • Improvement of source localization technique in AE-Tomography
    Yoshikazu KOBAYASHI
    INTERNATIONAL CONFERENCE CIBv2021CIVIL ENGINEERING AND BUILDING SERVICES, Nov. 2020, Transylvania University of Brasov, Invited
  • 数値計算によって生成された時系列応答波形によるコンクリート板の内部欠陥評価の検討
    池端 宏太; 小林義和,小田憲一,中村勝哉
    2020度秋季講演大会, Oct. 2020, 一般社団法人日本非破壊検査協会, Not invited
  • AEトモグラフィ法における同定対象パラメータの拘束条件の影響
    中村 勝哉; 小林 義和; 小田 憲一; 池端 宏太
    令和2年度全国大会・第75回年次学術講演会, Sep. 2020, 公益社団法人土木学会, Not invited
  • AEトモグラフィ法による地盤の進行性破壊評価手法の検討
    中村 勝哉; 小林 義和; 小田 憲一; 池端 宏太
    第47回土木学会関東支部技術研究発表会, Mar. 2020, 公益社団法人土木学会関東支部, Not invited
  • Numerical investigations on the characteristics of Acoustic Emission Tomography for the soundness evaluation of the bridge decks
    Yoshikazu Kobayashi; Takahiro NIshida; Katsuya Nakamura; Kenichi Oda; Junichi Suzumura
    Asian Pacific Congress on Computational Mechanics 2019(APCOM2019), Dec. 2019, Not invited
  • [MS1403C] Advances in Computational Methods in Infrastructure Systems and Engineering
    Asian Pacific Congress on Computational Mechanics 2019(APCOM2019), Dec. 2019, Not invited
  • Development of Reverse Simulation for extracting viscosity characteristics of the Avalanche
    Kenichi Oda; Katsuya Nakamura; Yoshikazu Kobayashi
    Asian Pacific Congress on Computational Mechanics 2019(APCOM2019), Dec. 2019, Not invited
  • AEトモグラフィ法における弾性波速度上限の影響
    小林義和,中村勝哉,小田憲一
    2019年度秋季講演大会, Nov. 2019, 一般社団法人日本非破壊検査協会, Not invited
  • Nondestructive testing based on elastic wave methods,for infrastructures
    Yoshikazu KOBAYASHI
    INTERNATIONAL CONFERENCE CIBv2019 CIVIL ENGINEERING AND BUILDING SERVICES, Nov. 2019, Transylvania University of Brasov, Invited
  • 時系列応答波形を用いたコンクリート構造物の内部空洞の,評価
    池端 宏太; 小林 義和; 小田 憲一
    令和元年度全国大会・第74回年次学術講演会, Sep. 2019, 公益社団法人土木学会, Not invited
  • 三次元空間における異方性を考慮したAE位置標定法
    小林 義和,Lin Wenli,古関 潤一,中村 勝哉, 小田 憲一,重村 智,前野 賀彦
    第65回理論応用力学講演会, Jun. 2019, 公益社団法人土木学会, Not invited
  • 応答波形による内部欠陥探査に関する基礎的検討
    池端 宏太,小林 義和; 小田 憲一
    平成30年度秋季講演大会, Nov. 2018, 一般社団法人日本非破壊検査協会, Not invited
  • Performance improvements of AE-Tomography
    Kobayashi; Y.
    Innovative Non-destructive testing for civil engineers, Nov. 2017, Advanced Technology Institute of Infra-Maintainance, Not invited
  • Acoustic Emission Tomography for soundness evaluation of concrete structures
    Yoshikazu Kobayashi
    INTERNATIONAL CONFERENCE CIBv2017 CIVIL ENGINEERING AND BUILDING SERVICES, Nov. 2017, Transilvania University of Brasov, Invited
  • 三次元弾性波トモグラフィー法を用いた内部欠陥探査の実験的検討
    関根 義夫; 池端 宏太; 小林 義和
    平成29年度秋季講演大会, Oct. 2017, 一般社団法人日本非破壊検査協会, Not invited
  • Accuracy of identified source locations on source location techniques for AE testing
    Tamura; Y.; Oe; T.; Oda; K.; Kobayashi; Y.
    6th International Conference on Civil Engineering, Aug. 2017, Nihon University and Technical University of the Philippines, Not invited
  • Source location technique with controlled resolution based on ray-trace technique
    Kobayashi; Y.; Oda; K.; Tamura; Y.; Fuse; T.; Shioani; T.
    59th Meeting of the Acoustic Emission Working group, May 2017, Acoustic Emission Working group, Not invited
  • 構造物の健全性診断を対象とした二次元Q値AEトモグラフィ法の開発
    小林 義和; 塩谷 智基
    平成28年度秋季講演大会, Oct. 2016, 一般社団法人日本非破壊検査協会, Not invited
  • Conservation of mechanical energy in incompressible flow analysis with elastic bodies on the basis of HMPS
    Katsuya Nakamura; Yoshikazu Kobayashi; Kenichi Oda; Jun-ichi Suzumura
    The 12th World Congress on Computational Mechanics and The 6th Asia-Pacific Congress on Computational Mechanics, Jul. 2016, Not invited
  • AE-Tomography for identifying Q-Value and elastic wave velocity distributions
    Yoshikazu Kobayashi; Tomoki Shiotani
    58th meeting of ACOUSTIC EMISSION WORKGROUP, May 2016, Not invited
  • Characteristic of neutron beam permeability to concrete
    Yoshikazu Kobayashi; Takumi Ishitsuka; Yusuke Namiki; Kenichi Oda; Masayuki Watanabe
    KSMI 2016 Spring Conference, Apr. 2016, Not invited
  • 異方性材料を対象としたAE トモグラフィにおける速度異方性の影響
    小林 義和; 塩谷 智基
    第20回AE総合コンファレンス, Nov. 2015, 非破壊検査協会, Not invited
  • 構造物の健全性診断を対象としたQ値トモグラフィ法の開発
    小林 義和; 塩谷 智基
    平成27年度秋季講演大会, Oct. 2015, 非破壊検査協会, Not invited
  • AEトモグラフィによる実橋梁から採取したCFRPの引張破壊進展の評価
    西田 孝弘; 塩谷 智基; 小林 義和; 麻植 久史; 中山 宏
    平成27年度秋季講演大会, Oct. 2015, 非破壊検査協会, Not invited
  • 異方性材料を対象としたAEトモグラフィ法の開発
    小林 義和; 塩谷 智基
    第70回年次学術講演会, Sep. 2015, 土木学会, Not invited
  • Two-dimensional elastic wave velocity tomography and AE-Tomography for anisotropic materials
    Kobayashi; Y.; Shiotani; T.
    57th meeting of ACOUSTIC EMISSION WORKGROUP, Jun. 2015, Acoustic Emission Workgroup, Not invited
  • 三次元AEトモグラフィによる岩石供試体の損傷可視化
    大澤 智; 塩谷 智基; 桃木 昌平; 小林 義和
    非破壊検査協会・平成26年度秋季講演大会, Oct. 2014, Not invited
  • 波線追跡法に基づく三次元AEトモグラフィ法の開発
    小林 義和; 塩谷 智基
    非破壊検査協会・平成26年度秋季講演大会, Oct. 2014, Not invited
  • 繊維補強コンクリートの曲げ試験におけるAEトモグラフィの解析
    奥出 信博; 塩谷 智基; 桃木 昌平; 小林 義和
    非破壊検査協会・平成26年度春期講演大会, Jun. 2014, Not invited
  • AEトモグラフィ法の開発 –その2 模擬欠陥コンクリート試験体による検証−
    桃木 昌平; 小林 義和; 塩谷 智基
    非破壊検査協会・平成26年度春季講演大会, Jun. 2014, Not invited
  • AEトモグラフィ法の開発 –その1 二次元問題を対象としたアルゴリズムの開発−
    小林 義和; 塩谷 智基; 桃木 昌平; 小田 憲一
    非破壊検査協会・平成26年度春季講演大会, Jun. 2014, Not invited
  • Damage visualization of rock material in triaxial compression test with 3D-AE tomography
    Osawa; S.; Shiotani; T.; Momoki; S.; Kobayashi; Y.
    56th meeting of ACOUSTIC EMISSION WORKGROUP, Jun. 2014, Not invited
  • Promising damage index with using transfer function of multiple AE waveforms for infra-asset management
    Shiotani; T.; Takada; T.; Ishitsuka; K.; Kobayashi; Y.
    56th meeting of ACOUSTIC EMISSION WORKGROUP, Jun. 2014, Not invited
  • Two-dimensional ray-trace technique for anisotropic materials
    Kobayashi; Y.; Shiotani; T.
    56th meeting of ACOUSTIC EMISSION WORKGROUP, Jun. 2014, Not invited
  • AE法と弾性波トモグラフィ法による鉄筋コンクリート床版の健全性評価に関する検討
    奥出 信博; 塩谷 智基; 小林 義和; 桃木 昌平
    第19回アコースティック・エミッション総合コンファレンス, Dec. 2013, Not invited
  • インフラアセットモニタリングのためのAEトモグラフィの開発 〜その2 交通荷重AEの適用〜
    大澤 智; 塩谷 智基; 桃木 昌平; 小林 義和
    第19回アコースティック・エミッション総合コンファレンス, Dec. 2013, Not invited
  • インフラアセットモニタリングのためのAEトモグラフィの開発 〜その1 アルゴリズムの構築〜
    桃木 昌平; 小林 義和; 塩谷 智基
    第19回アコースティック・エミッション総合コンファレンス, Dec. 2013, Not invited
  • GISによる液状化ハザードマップの作成に関する基礎的検討
    小野 幹; 小田 憲一; 小林 義和
    第48回地盤工学研究発表会, Jul. 2013, Not invited
  • Three-dimensional verification of AE tomography algorithm
    Kobayashi Y.; Shiotani T.
    55th meeting of ACOUSTIC EMISSION WORKGROUP, Jun. 2013, Not invited
  • Numerical verification of AE tomography algorithm with new AE source location technique
    Kobayashi Y.; Shiotani T.
    54th meeting of ACOUSTIC EMISSION WORKING GROUP, May 2012, Not invited
  • AE トモグラフィーによるインフラ構造物の健全性評価手法の提案
    塩谷 智基; 奥出 信博; 桃木 昌平; 小林 義和
    第18回アコースティック・エミッション総合コンファレンス, Sep. 2011, Not invited
  • Ray-trace algorithm for concrete structures and its application for output-output tomography
    Kobayashi Y.
    3rd Meeting, TC-239MCM, RILEM, Sep. 2011, Not invited
  • Tomography imaging of concrete by surface wave
    蔡 華堅; Dimitrios G. Aggelis; 桃木 昌平; 小林 義和; 塩谷 智基
    土木学会第65回年次学術講演会, Sep. 2010, Not invited
  • 弾性波減衰特性を用いた内部損傷可視化技術の開発
    桃木 昌平; 蔡 華堅; 塩谷 智基; 小林 義和
    土木学会・第64回年次学術講演会, Sep. 2009, Not invited
  • 粒子法に基づく地盤の変形解析に関する基礎的検討
    小林 義和
    第44回地盤工学研究発表会, Aug. 2009, Not invited
  • Three-dimensional seismic tomography for soundness evaluation of concrete structures
    Kobayashi Y.
    1st Asia Pacific Young Researchers and Graduates Symposium, Feb. 2009, Invited
  • 粒子法と有限要素法の混合法による液状化地盤中の埋設構造物を対象とした浮上解析
    第43回地盤工学研究発表会, Jul. 2008, Not invited
  • Development of boundary condition of MPS and FEM for liquefaction analysis
    2nd Int'l Workshop on Numerical Simulation for Disastrous Phenomena, Jan. 2008, Not invited
  • 学生情報データベースの作成とその活用
    野村 卓史; 岸井 隆幸
    平成19年度工学・工業教育研究講演会, Aug. 2007, Not invited
  • 二相系を考慮した粒子法における重み関数の影響
    第42回地盤工学研究発表会, Jul. 2007, Not invited
  • 粘性流体モデルに基づく液状化地盤と杭の相互作用の相互作用解析
    Motamed Ramin; Vlatko Sesov; 東畑 郁生
    第12回計算工学講演会, May 2007, Not invited
  • 固相と液相の相互作用を考慮した粒子法による地盤の変形解析
    小林 義和
    第3回地盤工学会関東支部研究発表会発表講演集, Nov. 2006, Not invited
  • 座長(土木学会第61回年次学術講演会)
    土木学会, Sep. 2006, Not invited
  • 相変化を考慮したMPSによる液状化解析
    小林 義和
    第41回地盤工学研究発表会, Jul. 2006, Not invited
  • 座長(第60回土木学会年次学術講演会)
    土木学会, Sep. 2005, Not invited
  • 粒子法による液状化地盤の変形解析
    小林 義和
    第40回地盤工学研究発表会, Jul. 2005, Not invited
  • 地盤構造物の液状化対策に関する遠心模型実験と流動対策の評価
    佐藤 宏樹; 本多 剛; Alam M.J.; 東畑 郁生; 玉手 聡; 田中 智宏; 小林 義和
    第40回地盤工学研究発表会, Jul. 2005, Not invited
  • 粘性流体モデルに基づく矢板による液状化地盤流動低減
    小林 義和; 東畑 郁生
    第39回地盤工学研究発表会, Jul. 2004, Not invited
  • 座長(第39回地盤工学研究発表会)
    地盤工学会, Jul. 2004, Not invited
  • 粘性流体モデルに基づく液状化地盤の流動解析と矢板護岸による流動低減
    小林 義和; 東畑 郁生
    第9回計算工学講演会, May 2004, Not invited
  • 液状化による地中構造物の浮き上がり解析
    小林 義和; 東畑 郁生
    第38回地盤工学研究発表会, Jul. 2003, Not invited
  • Improvement of Implementation of Towhata-Iai model in Diana
    Kobayashi Yoshikazu; Kawaguchi Kazuhiro; Towhata Ikuo
    DIANA CONFERENCE 2002, Oct. 2002, Not invited
  • 歩道橋の振動低減
    小林義和; 櫻田誠; 塩尻弘雄
    土木学会第57回年次学術講演会, Sep. 2002, Not invited
  • 振動実験等による建物の動特性把握
    塩尻弘雄、アブリカム・アブドラ、小林義和
    第57回年次学術講演, Sep. 2002, Not invited
  • 逆解析による液状化砂の粘性係数同定
    小林 義和; 東畑 郁生; 塩尻 弘雄
    第37回地盤工学研究発表会, Jul. 2002, Not invited
  • NUMERICAL ANALYSIS ON GRAVITY TYPE CAISSON QUAY WALL MOVEMENT CAUSED BY LIQUEFACTION
    Kobayashi Yoshikazu; Towhata Ikuo
    The Tenth Pacific Congress on Marine Science and Tech-nology PACON2002, Jul. 2002, Not invited
  • エネルギー原理に基づく構造物の沈下解析において基礎幅および液状化層厚が沈下量に与える影響
    小林 義和; 東畑 郁生
    第26回地震工学研究所発表会講演論文集, Aug. 2001, Not invited
  • 液状化に起因する斜面流動の三次元数値解析
    小林 義和; 野田 武志; 東畑 郁生
    第36回地盤工学研究発表会, Jun. 2001, Not invited
  • 三次元液状化懐石プログラムによる事例解析
    田 武志; 小林 義和; 東畑 郁生
    第36回地盤工学研究発表会, Jun. 2001, Not invited
  • 液状化による地盤の水平流動解析
    小林 義和; 東畑 郁生
    第34回地盤工学研究発表会, Jul. 1999, Not invited
  • 砂質盛土模型の振動破壊実験
    渡辺健治、前田知就、小林義和、東畑郁生
    土木学会第53回年次学術講演会, Oct. 1998, Not invited
  • 地震時壁面土圧に関する模型振動実験
    渡辺健治、前田知就、小林義和、東畑郁生
    第33回地盤工学研究発表会, Jul. 1998, Not invited
  • 模型振動実験による物部岡部式の妥当性見当
    前田知就、渡辺健治、小林義和、東畑郁生
    第33回地震工学研究発表会, Jul. 1998, Not invited
  • 修正繰り返し拡張カルマンフィルタ法による同定
    小林 義和; 塩尻 弘雄
    第3回計算工学講演会, May 1998, Not invited
  • ボーリング杭を利用した弾性波地盤構造調査法
    小林 義和; 塩尻 弘雄
    土木学会第51回年次学術講演会, Sep. 1996, Not invited

Affiliated academic society

  • Japan Society of Civil Engineers
  • The Japanese Geotechnical Society
  • 非破壊検査協会

Research Themes

  • 多チャンネル計測による弾性波速度と減衰特性の空間分布の同定
    日本学術振興会, 科学研究費助成事業, 01 Apr. 2021 - 31 Mar. 2024
    小林 義和; 西田 孝弘; 小田 憲一; 中村 勝哉
  • 流下中の土砂を含む雪崩を対象とした内部構造の観測と運動メカニズムの把握
    日本学術振興会, 科学研究費助成事業, 01 Apr. 2019 - 31 Mar. 2024
    小田 憲一; 小林 義和; 上石 勲; 中村 勝哉
  • AE-Tomography for anisotropic materials
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, 01 Apr. 2015 - 31 Mar. 2018
    KOBAYASHI Yoshikazu; CHAI Hwa-Kian
  • Applicability limit of high accuracy simulation for rock-fall and debris-flow using several numerical methods.
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, 2010 - 2011
    SAWADA Kazuhide; MAEDA Kenichi; KOBAYASHI Yoshikazu; MORIGUCHI Syuji; AOKI Takayuki