Highly Accurate Material Evaluation Using Acoustic Wave Measurement in Small Size Bore Holes

• Project/Area Number: 18360213
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Structural engineering/Earthquake engineering/Maintenance management engineering
• Research Institution: Tokyo Institute of Technology
• Principal Investigator: HIROSE Sohichi Tokyo Institute of Technology, 大学院・情報理工学研究科, 教授 (00156712)
• Co-Investigator(Kenkyū-buntansha): NAKAHATA Kazuyuki 愛媛大学, 大学院・理工学研究科, 准教授 (20380256) ; KIMOTO Kazushi 岡山大学, 大学院・環境学研究科, 准教授 (30323827)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥17,790,000 (Direct Cost: ¥15,000,000、Indirect Cost: ¥2,790,000); Fiscal Year 2008: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2007: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000); Fiscal Year 2006: ¥5,700,000 (Direct Cost: ¥5,700,000)
• Keywords: 超音波 / 材料評価 / 波動解析 / 逆解析 / 欠陥形状再構成 / 非破壊材料評価 / 異方性弾性体 / 境界要素法 / EFIT / 逆散乱イメージング法 / アレイ超音波 / S-SAFT / 音波計測 / 逆散乱解析 / TDTG法 / ボアホール / コンクリート / ガイド波 / 数値シミュレーション / 高速多重極境界要素法

Research Abstract

本研究では, 超音波を用いた高精度な材料評価を目的として, まず, 演算子積分法時間領域多重極積分方程式, 異方弾性体に対する基本解, EFIT法の3つの効率的かつ高精度な波動解析技術を開発した. 次にボアホール内の波動場の数値シミュレーションを行なって漏洩表面波やガイド波の特性を明らかにし, 計測によって漏洩表面波を用いた材料評価の有効性を示した. さらにより高度な材料評価法としての線形化逆散乱解析とTG法を開発した.

Research Products

• [Journal Article] A hypers ingular time-domain BEM for 2D dynamic crack analysis in anisotropic solids, Int (2009)
  • Author(s): M. Wunsche, Ch. Zhang M. Kuna, S. Hi rose, J. Sladek and V. Sladek
  • Journal Title: Journal for Numerical Methods in Engineering Vol.78 Pages: 127-150
  • Peer Reviewed
• [Journal Article] A hypersingular time-domain BEM for 2D dynamic crack analysis in anisotropic solids (2009)
  • Author(s): M. Wunsche, Ch. Zhang M. Kuna, S. Hirose, J. Sladek, V. Sladek
  • Journal Title: International Journal for Numerical Methods in Engineering (in print)
  • Peer Reviewed
• [Journal Article] A Large Scale Simulation of Ultrasonic Wave Propagation in Conc rete Using Parallelized EFIT (2008)
  • Author(s): K. Nakahata, J. Tokunaga, K. Kimoto and S. Hirose
  • Journal Title: Journal of Solid Mechanics and Materials Engineering Vol.2 Pages: 1462-1469
  • Peer Reviewed
• [Journal Article] Transient dynamic analysis of interface cracks in 2-D anisotropic elastic solids by a time-domain BEM (2008)
  • Author(s): S. Beyer, Ch. Zhang, S. Hirose, J. Sladek and V. Sladek
  • Journal Title: Advances in Boundary Element Techniques Vol.IX Pages: 419-426
• [Journal Article] Comparative study on ultrasonic imaging methods with array transducers (2008)
  • Author(s): Chihiro Matsuoka, Kazuyuki Nakahata, Atsushi Baba, Naoyuki Kono, and Sohichi Hirose
  • Journal Title: Review of Progress in Quantitative Nondestructive Evaluation Vol.27 Pages: 707-714
• [Journal Article] Flaw shape reconstruction using topological gradient for 2D scalar wave equation (2008)
  • Author(s): Kazushi Kimoto and Sohichi Hirose
  • Journal Title: Review of Progress in Quantitative Nondestructive Evaluation Vol.27 Pages: 672-279
• [Journal Article] 3D time domain boundary element formulation for anisotropic elastic solid (2008)
  • Author(s): Alan T. Tan, Sohichi Hirose
  • Journal Title: 計算数理工学論文集 Vol.7 Pages: 285-290
  • Peer Reviewed
• [Journal Article] 演算子積分法および高速多重極法を用いた新しい二次元時間領域動弾性境界要素法について (2008)
  • Author(s): 斎藤隆泰, 石田貴之, 福井卓雄,廣瀬壮一
  • Journal Title: 応用力学論文集 Vol.11 Pages: 193-200
  • NAID: 130004091231
  • Peer Reviewed
• [Journal Article] Comparative study on ultrasonic imaging methods with array transducers (2008)
  • Author(s): Chihiro Matsuoka, Kazuyuki Nakahata, Atsushi Baba, Naoyuki Kono, Sohichi Hirose
  • Journal Title: Review of Progress in Quantitative Nondestructive Evaluation 27 Pages: 707-714
• [Journal Article] Flaw shape reconstruction using topological gradient for 2D scalar wave equation (2008)
  • Author(s): Kazushi Kimoto, Sohichi Hirose
  • Journal Title: Review of Progress in Quantitative Nondestructive Evaluation 27 Pages: 672-679
• [Journal Article] Transient dynamic analysis of interface cracks in 2-D anisotropic elastic solids by a time-domain BEM (2008)
  • Author(s): S. Beyer, Ch. Zhang, S. Hirose, J. Sladek, V. Sladek
  • Journal Title: Advances in Boundary Element Techniques IX Pages: 419-426
• [Journal Article] A Large Scale Simulation of Ultrasonic Wave Propagation in Concrete Using Parallelized EFIT (2008)
  • Author(s): K. Nakahata, J. Tokunaga, K. Kimoto, S. Hirose
  • Journal Title: Journal of Solid Mechanics and Materials Engineering 2 Pages: 1462-1469
  • NAID: 130000079049
  • Peer Reviewed
• [Journal Article] 3D time domain boundary element formulation for anisotropic elastic solid (2008)
  • Author(s): Alan T. Tan, Sohichi Hirose
  • Journal Title: 計算数理工学論文集 7 Pages: 285-290
  • Peer Reviewed
• [Journal Article] BEM Analysis of Wave Propagation in a Water-Filled Borehole in an Anisotropic Solid (2007)
  • Author(s): S. Hirose, U. Ushida and C.-Y. Wang
  • Journal Title: Tsinghua Science and Technology Vol.12 Pages: 400-406
  • Peer Reviewed
• [Journal Article] Interface crack in anisotropic solids under impact loading (2007)
  • Author(s): M. Wunsche, Ch. Zhang, J. Sladek, V. Sladek and S. Hirose
  • Journal Title: Key Engineering Materials Vol.348-349 Pages: 73-76
  • Peer Reviewed
• [Journal Article] 逆散乱解析法の超音波フェーズドアレイ探傷への応用 (2007)
  • Author(s): 中畑和之, 上甲智史, 廣瀬壮一
  • Journal Title: 応用力学論文集 Vol.10 Pages: 61-68
  • NAID: 130004257871
  • Peer Reviewed
• [Journal Article] Numerical Solution for the Explicit 3D Time Domain Fundamental Solutions for Anisotropic Solids (2007)
  • Author(s): A. Tan, S. Hirose and Ch. Zhang
  • Journal Title: Advances in Boundary Element Techniques Vol.VIII Pages: 7-12
• [Journal Article] Interface crack in anisotropic solids under impact loading (2007)
  • Author(s): M. Wunsche, Ch. Zhang, J. Sladek, V. Sladek and S. Hirose
  • Journal Title: Key Engineerig Materials 348-349 Pages: 73-76
  • Peer Reviewed
• [Journal Article] 逆散乱解析法の超音波フェーズドアレイ探傷への応用 (2007)
  • Author(s): 中畑和之, 上甲智史, 廣瀬壮一
  • Journal Title: 応用力学論文集 10 Pages: 61-68
  • NAID: 130004257871
  • Peer Reviewed
• [Journal Article] Wave propagation in 2D anisotropic layered media using boundary element method (2007)
  • Author(s): A.Tan, S.Hirose
  • Journal Title: Proc. Fourth International Conference on Urban Earthquake Engineering Pages: 192-198
• [Journal Article] Numerical Solution for the Explicit 3D Time Domain Fundamental Solutions for Anisotropic Solids (2007)
  • Author(s): A.Tan, S.Hirose, Ch.Zhang
  • Journal Title: Proc. Int. Cont. on Boundary Element Techniques, 2007 (掲載決定)
• [Journal Article] BEM analysis of wave propagation in water-filled borehole in an anisotropic solid (2007)
  • Author(s): S.Hirose, Y.Ushda, C.-Y.Wang
  • Journal Title: Journal of Tsinghua Science and Technology (掲載決定)
• [Journal Article] 2D dynamic analysis of interface cracks in anisotropic elastic solids (2006)
  • Author(s): A.Tan, S.Hirose
  • Journal Title: 日本応用数理学会2006年度年会講演予稿集 Pages: 18-19
• [Presentation] 全波形サンプリング(FSAT)方式を用いた欠陥画像化のための逆散乱イメージング法の提案 (2009)
  • Author(s): 上甲智史, 中畑和之, 廣瀬壮一
  • Organizer: 第16回超音波による非破壊評価シンポジウム講演論文集
  • Place of Presentation: 東京
  • Year and Date: 2009-01-29
• [Presentation] EFITによるコンクリート中の弾性波のシミュレーションと伝搬特性の評価 (2008)
  • Author(s): 牛尾賢司, 徳永淳一, 中畑和之, 木本和志, 廣瀬壮一
  • Organizer: 日本非破壊検査協会平成20年度秋季講演大会講演概要集
  • Place of Presentation: 多賀城市
  • Year and Date: 2008-11-05
• [Presentation] 異方性体中の接触を考慮したき裂の動的挙動について (2008)
  • Author(s): 廣瀬壮一
  • Organizer: 日本非破壊検査協会平成20年度秋季講演大会講演概要集
  • Place of Presentation: 多賀城市
  • Year and Date: 2008-11-05
• [Presentation] アレイ超音波探傷試験による水平き裂のサイジング (2008)
  • Author(s): 木本和志, 廣瀬壮一
  • Organizer: 日本非破壊検査協会平成20年度秋季講演大会講演概要集
  • Place of Presentation: 多賀城市
  • Year and Date: 2008-11-05
• [Presentation] 2D time domain BEM analysis for interface crack with contact-boundary conditions (2008)
  • Author(s): Tan Alan, Sohichi Hirose
  • Organizer: 第57回理論応用力学講演会論文集
  • Place of Presentation: 東京
  • Year and Date: 2008-06-11
• [Presentation] Ultrasonic imaging of defects in materials and structures (2008)
  • Author(s): Sohichi Hirose
  • Organizer: 2008 Far East Forum on Nondestructive Evaluation/Testing
  • Place of Presentation: 南京
  • Year and Date: 2008-06-07
• [Presentation] SAFTによる欠陥画像の高精度化について (2008)
  • Author(s): 周永恵, 廣瀬壮一
  • Organizer: 日本非破壊検査協会平成20年度春季講演大会講演概要集
  • Place of Presentation: 東京
  • Year and Date: 2008-05-21
• [Presentation] Time domain BEM analysis of a cylinder embedded in soil with anisotropy (2008)
  • Author(s): Alan T. Tan and Sohichi Hirose
  • Organizer: Fifth International Conference on Urban Earthquake Engineering
  • Place of Presentation: 東京
  • Year and Date: 2008-03-05
• [Presentation] 水-異方性固体界面での波動伝搬解析 (2007)
  • Author(s): 徐〓-, 廣瀬壮一, 木本和志, C.-Y. Wang
  • Organizer: 日本非破壊検査協会平成19年度秋季講演大会
  • Place of Presentation: 札幌
  • Year and Date: 2007-10-19
• [Presentation] 時間領域における線形化逆散乱解析法を使った超音波イメージング (2007)
  • Author(s): 木本和志, 廣瀬壮一
  • Organizer: 日本非破壊検査協会平成19年度春季講演大会
  • Place of Presentation: 東京
  • Year and Date: 2007-05-23
• [Presentation] Wave propagation in 2D anisotropic layered media using boundary element method, Proc (2007)
  • Author(s): A. Tan and S. Hirose
  • Organizer: Fourth International Conference on Urban Earthquake Engineering, Center for Urban Earthquake Engineering, Tokyo Institute of Technology
  • Place of Presentation: 東京
  • Year and Date: 2007-03-06
• [Presentation] 2D dynamic analysis of interface cracks in anisotropic elastic solids (2006)
  • Author(s): A. Tan and S. Hirose
  • Organizer: 日本応用数理学会2006年度年会講演予稿集
  • Place of Presentation: 筑波
  • Year and Date: 2006-09-16