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3-D wave motion analysis of pre-stressed multi-layered composites for accuracy improvement of ultrasonic diagnostics

Research Project

Project/Area Number 19560075
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Materials/Mechanics of materials
Research InstitutionTokyo Institute of Technology

Principal Investigator

WIJEYEWICKREMA A.C  Tokyo Institute of Technology, 大学院・理工学研究科, 准教授 (10323776)

Co-Investigator(Kenkyū-buntansha) KISHIMOTO Kikuo  東京工業大学, 大学院・理工学研究科, 教授 (30111652)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2007: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords材料設計 / プロセス / 物性 / 評価 / 積層材料 / プレストレス / 波動伝播 / 分散曲線 / 圧縮性 / 減衰率 / 圧電性 / 低減率
Research Abstract

プレストレスを受けた圧縮性弾性積層材料の主軸以外の方向にも調和波が伝播する特性について検討した.本研究では完全な結合状態にあるプレストレスを受けた2つの材料からなる圧縮性弾性積層材料を対象として, その積層材料中の調和波の伝播特性について検討した. また、本研究では不完全な結合状態にあるプレストレスを受けた圧縮性弾性層状対称複合材料を対象として, その複合材料中の調和波の伝播特性について検討した. さらに予荷重を受けた圧縮性弾性媒体における可動性円柱剛体介在物による平面SH波の分散について研究した.

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (21 results)

All 2009 2008 2007

All Journal Article (7 results) (of which Peer Reviewed: 7 results) Presentation (14 results)

  • [Journal Article] Wave propagation in pre-stressed imperfectly bonded compressible elastic layered composites2009

    • Author(s)
      Wijeyewickrema, A. C. and Leungvichcharoen, S.
    • Journal Title

      Mechanics of Materials (in press)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Wave propagation in pre-stressed imperfectly bonded compressible elastic layered composites2009

    • Author(s)
      Wijeyewickrema, A. C., Leungvichcharoen, S.
    • Journal Title

      Mechanics of Materials (In press)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Wave propagation in a pre-stressed compressible elastic layer with constrained boundaries2008

    • Author(s)
      Wijeyewickrema, A. C., Ushida, Y. and Kayestha, P.
    • Journal Title

      Journal of Mechanics of Materials and Structures Vol. 3, No. 10

      Pages: 1963-1976

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Saint-Venant end effects of transversely isotropic piezoelectric materials2008

    • Author(s)
      Tai, M., Wijeyewickrema, A. C. and Llouquet, O.
    • Journal Title

      Advanced Materials Research Vols. 33-37

      Pages: 725-730

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Saint-Venant end effects of transversely isotropic piezoelectric materials2008

    • Author(s)
      Tai, M., Wijeyewickrema, A. C., Llouquet, 0.
    • Journal Title

      Advanced Materials Research Vols. 33-37

      Pages: 725-730

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Wave propagation in a pre-stressed compressible elastic layer with constrained boundaries2008

    • Author(s)
      Wijeyewickrema, A. C., Ushida, Y., Kayestha, P.
    • Journal Title

      Journal of Mechanics of Materials and Structures Vol. 3

      Pages: 10-10

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Saint-Venant End Effects of Transversely Isotropic Piezo- electric Materials2008

    • Author(s)
      Tai, M., Wijeyewickrema, A. C. and Llouquet, O.
    • Journal Title

      Advanced Materials Research Vols.33-37

      Pages: 725-730

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Scattering of plane SH-waves by a movable rigid inclusion in a pre-stressed compressible elastic medium2009

    • Author(s)
      Leungvichcharoen, S., Wijeyewickrema, A. C., Senjuntichai, T.
    • Organizer
      Sixth Regional Symposium on Infrastructure Development (RSID6)
    • Place of Presentation
      Bangkok, Thailand
    • Related Report
      2008 Annual Research Report
  • [Presentation] The influence of boundary conditions on decay rates of transversely isotropic piezoelectric materials2008

    • Author(s)
      Wijeyewickrema, A. C., Tai, M. and Llouquet, O.
    • Organizer
      Proceedings of the International Conference on Advances in Continuum Mechanics, Materials Science, Nanoscience and Nanotechnology : Dedicated to Professor Munidasa P. Ranaweera
    • Place of Presentation
      University of Peradeniya, Sri Lanka(31-46)
    • Related Report
      2008 Final Research Report
  • [Presentation] Dispersive behavior of waves in pre-stressed imperfectly bonded compressible elastic layered composites2008

    • Author(s)
      Wijeyewickrema A.C., and Leungvichcharoen, S.
    • Organizer
      Proceedings of the 22nd International Congress of Theoretical and Applied Mechanics
    • Place of Presentation
      Adelaide, Australia(261)
    • Related Report
      2008 Final Research Report
  • [Presentation] Flexural wave propagation in elastic layered composites as thickness waves superimposed on membrane carrier waves2008

    • Author(s)
      Wijeyewickrema, A. C. and Yamaki, Y.
    • Organizer
      Proceedings of the Inaugural International Conference of the Engineering Mechanics Institute
    • Place of Presentation
      Minneapolis, MN, USB(ASCE (EM08))(101)
    • Related Report
      2008 Final Research Report
  • [Presentation] Saint-Venant end effects in pre-stressed compressible sandwich composites2008

    • Author(s)
      Wijeyewickrema, A. C. and Kuroiwa, T.
    • Organizer
      Proceedings of the Inaugural International Conference of the Engineering Mechanics Institute
    • Place of Presentation
      Minneapolis, MN, USB(ASCE (EM08))(101)
    • Related Report
      2008 Final Research Report
  • [Presentation] Extensional wave propagation in elastic layered composites as thickness waves superimposed on membrane carrier waves2008

    • Author(s)
      Wijeyewickrema, A. C. and Yamaki, Y.
    • Organizer
      Proceedings of the Fifteenth International Conference on Computational and Experimental Engineering and Sciences
    • Place of Presentation
      Honolulu, Hawaii, USA(ICCES'08)(1670)
    • Related Report
      2008 Final Research Report
  • [Presentation] Saint-Venant end effects in pre-stressed compressible sandwich composites2008

    • Author(s)
      Wijeyewickrema, A. C., Kuroiwa, T.
    • Organizer
      Inaugural International Conference of the Engineering Mechanics Institute, ASCE (EM08)
    • Place of Presentation
      Minneapolis, MN, USA
    • Related Report
      2008 Annual Research Report
  • [Presentation] Flexural wave propagation in elastic layered composites as thickness waves superimposed on membrane carrier waves2008

    • Author(s)
      Wijeyewickrema, A. C., Yamaki, Y.
    • Organizer
      Inaugural International Conference of the Engineering Mechanics Institute, ASCE (EM08)
    • Place of Presentation
      Minneapolis, MN, USA
    • Related Report
      2008 Annual Research Report
  • [Presentation] Dispersive behavior of waves in pre-stressed imperfectly bonded compressible elastic layered composites2008

    • Author(s)
      Wijeyewickrema A. C., Leungvichcharoen, S.
    • Organizer
      22nd International Congress of Theoretical and Applied Mechanics
    • Place of Presentation
      Adelaide, Australia
    • Related Report
      2008 Annual Research Report
  • [Presentation] The influence of boundary conditions on decay rates of transversely isotropic piezoelectric materials2008

    • Author(s)
      Wijeyewickrema, A. C., Tai, M., Llouquet, 0.
    • Organizer
      International Conference on Advances in Continuum Mechanics, Materials Science, Nanoscience and Nanotechnology
    • Place of Presentation
      University of Peradeniya, Sri Lanka
    • Related Report
      2008 Annual Research Report
  • [Presentation] Extensional wave propagation in elastic layered composites as thickness waves superimposed on membrane carrier waves2008

    • Author(s)
      Wijeyewickrema, A.C. and Yamaki, Y.
    • Organizer
      Fifteenth International Conference on Computational and Experimental Engineering and Sciences (ICCES'08)
    • Place of Presentation
      Honolulu, Hawaii, USA
    • Related Report
      2007 Annual Research Report
  • [Presentation] Scattering of plane SH-waves by a movable rigid inclusion in a pre-stressed compressible elastic medium2007

    • Author(s)
      Leungvichcharoen, S., Wijeyewickrema, A. C. and Senjuntichai, T.
    • Organizer
      Proceedings of the Sixth Regional Symposium on Infrastructure Development (RSID6)
    • Place of Presentation
      Bangkok, Thailand(paper ID : RSID6-STR)(27)(6 pgs)
    • Related Report
      2008 Final Research Report
  • [Presentation] Saint-Venant end effects of transversely isotropic piezoelectric materials2007

    • Author(s)
      Tai, M. Wijeyewickrema, A. C. and Llouquet, O.
    • Organizer
      Proceedings of the Seventh International Conference on Fracture and Strength of Solids
    • Place of Presentation
      Urumqi, China(FEOFS 2007)(Paper No. 583)(255)
    • Related Report
      2008 Final Research Report
  • [Presentation] Saint-Venant End effects of Transversely Isotropic Piezo-electric Materials2007

    • Author(s)
      Tai, M. Wijeyewickrema, A. C. and Llouquet, O.
    • Organizer
      Seventh International Conference on Fracture and Strength of Solids, FEOFS 2007
    • Place of Presentation
      Urumqi, China,
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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