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Development of expression method for load transfer in structures

Research Project

Project/Area Number 19560099
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Materials/Mechanics of materials
Research InstitutionKeio University

Principal Investigator

TAKAHASHI Kunihiro  Keio University, 理工学部, 教授 (60095619)

Project Period (FY) 2007 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2009: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords構造解析 / 有限要素法 / 荷重伝達 / 荷重経路 / U* / ナストラン / 相補エネルギー / 車体構造 / 自動車車体 / 検査荷重 / 振動
Research Abstract

A parameter U*, which is independent of stress and strain, has been introduced by the authors for expressing load transfer and load paths in a given structure. The conventional U* cannot be calculated for a point under distributed displacement. To overcome this difficulty, a new parameter U** was developed. A mathematical formulation with complementary energy and stiffness matrices was demonstrated, which can be used for efficient computation of U**. The parameter U** was used for expressing load transfer in the case of a passenger car body under the condition of the bending vibration.

Report

(4 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • 2007 Annual Research Report
  • Research Products

    (30 results)

All 2009 2008 2007

All Journal Article (12 results) (of which Peer Reviewed: 12 results) Presentation (14 results) Patent(Industrial Property Rights) (4 results) (of which Overseas: 1 results)

  • [Journal Article] 指標U*の静電場問題への拡張とポーラス構造を有する層間絶縁膜の構造設計への応用2009

    • Author(s)
      宮川隼輔, 大宮正毅, 高橋邦弘
    • Journal Title

      日本機械学会論文集A編 Vol.75,No.756

      Pages: 63-70

    • NAID

      110007359933

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 分布荷重を受ける構造物における荷重経路解析2009

    • Author(s)
      松永拓也, 中田達也, 花里将史, 高橋邦弘
    • Journal Title

      日本機械学会論文集a編 Vol.75,No.753

      Pages: 559-565

    • NAID

      110007226513

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 指標U*の静電場問題への拡張とポーラス構造を有する層間絶縁膜の構造設計への応用2009

    • Author(s)
      宮川隼輔
    • Journal Title

      日本機械学会論文集 A編 Vol.75

      Pages: 63-70

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 分布荷重を受ける構造物における荷重経路解析2009

    • Author(s)
      松永拓也
    • Journal Title

      日本機械学会論文集 A編 Vol.75

      Pages: 559-565

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 分布荷重を受ける構造物における荷重経路解析2009

    • Author(s)
      松永拓也, 中田達也, 花里将史, 高橋邦弘
    • Journal Title

      日本機械学会論文集A編 掲載決定(2009年5月号)

    • NAID

      110007226513

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 荷重経路の概念による構造物の最適化2008

    • Author(s)
      上村真人, 八田良行, 伊東周太, 古賀義徳, 櫻井俊彰, 高橋邦弘
    • Journal Title

      日本機械学会論文集A編 Vol.74,No.737

      Pages: 6-12

    • NAID

      110006571938

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 荷重経路の概念による構造物の最適化2008

    • Author(s)
      櫻井 俊彰, 高橋 邦弘, 他
    • Journal Title

      日本機械学会論文集A編 74-737

      Pages: 6-12

    • NAID

      110006571938

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Reduction of Calculation Time for Load Path U* Analysis of Structures2007

    • Author(s)
      Sakurai, T., Takahashi, K., Kawakami, H., Abe, M.
    • Journal Title

      Journal of Solid Mechanics and Materials Engineering Vol.1,No.11

      Pages: 1322-1330

    • NAID

      130000075900

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 構造物の荷重経路U*解析におけるFEM計算の高速化2007

    • Author(s)
      櫻井俊彰, 川上博史, 阿部正俊, 高橋邦弘
    • Journal Title

      日本機械学会論文集A編 Vol.73,No.733

      Pages: 975-980

    • NAID

      110006404743

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 構造物の荷重経路U^*解析における多点負荷条件の考慮2007

    • Author(s)
      櫻井 俊彰, 高橋 邦弘, 他
    • Journal Title

      日本機械学会論文集A編 73-726

      Pages: 195-200

    • NAID

      110006223918

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 構造物の荷重経路U^*解析におけるFEM計算の高速化2007

    • Author(s)
      櫻井 俊彰, 高橋 邦弘, 他
    • Journal Title

      日本機械学会論文集A編 73-733

      Pages: 975-980

    • NAID

      110006404743

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Reduction of Calculation Time for Load Path U^*Analysis of Structures2007

    • Author(s)
      Sakurai, T., Takahashi, K., et. al.
    • Journal Title

      Journal of Solid Mechanics and Materials Engineering 1-11

      Pages: 1322-1330

    • NAID

      130000075900

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Load Path U* Analysis of Truck Cab Structure under Frontal Collision2009

    • Author(s)
      Wang, E., Nohara, T., Ishii, H., Hoshino, H., Takahashi, K.
    • Organizer
      APAC 2009 Proceedings: The 15th Asia Pacific Automotive Engineering Conference
    • Place of Presentation
      Hanoi
    • Year and Date
      2009-10-27
    • Related Report
      2009 Final Research Report
  • [Presentation] Load Path U** Analysis of Truck Cab Structures under Frontal Collision2009

    • Author(s)
      Wang, E., Yoshikuni, Y., Guo, Q., Nohara, T., Ishii, H., Hoshino, H., Takahashi, K.
    • Organizer
      JSAE Annual Congress Proceedings (Spring)
    • Place of Presentation
      Yokohama
    • Year and Date
      2009-05-20
    • Related Report
      2009 Final Research Report
  • [Presentation] Analysis of Vehicle Body Structures under Eigenmode Deformation of Bending Vibration2009

    • Author(s)
      Okano, Y., Matsunaga, T., Maruyama, S., Takahashi, K.
    • Organizer
      2009 SAE World Congress
    • Place of Presentation
      Detroit
    • Year and Date
      2009-04-22
    • Related Report
      2009 Final Research Report
  • [Presentation] LOAD PATH ANALYSIS OF VEHICLE BODY STRUCTURES UNDER EIGENVALUE DEFORMATION OF BENDING VIBRATION2009

    • Author(s)
      Okano, Y., Maruyama, S., Matsunaga, T., Hanazato, M., Takahashi, K.
    • Organizer
      Society of Automotive Engineers (SAE), World Congress, 2009, Paper No. 2009-01-0770, pp. 1-6.
    • Place of Presentation
      Detroit, USA
    • Year and Date
      2009-04-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] Load Path U* Analysis of Truck Cab Structure under Frontal Collision2009

    • Author(s)
      Wang, E.
    • Organizer
      The 15th Asia Pacific Automotive Engineering Conference
    • Place of Presentation
      Hanoi, Vietnam
    • Related Report
      2009 Annual Research Report
  • [Presentation] 荷重経路解析を用いた車体構造の補剛手法2008

    • Author(s)
      花里将史, 松永拓也, 丸山新一, 岡野恭久, 高橋邦弘
    • Organizer
      自動車技術会秋季学術講演会前刷集, No. 123-08(2008), pp. 11-14.
    • Place of Presentation
      名古屋国際会議場
    • Year and Date
      2008-10-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] 荷重経路解析を用いた車体構造の補剛手法2008

    • Author(s)
      花里将史, 松永拓也, 丸山新一, 岡野恭久, 高橋邦弘
    • Organizer
      自動車技術会秋季学術講演会前刷集
    • Place of Presentation
      名古屋
    • Year and Date
      2008-10-22
    • Related Report
      2009 Final Research Report
  • [Presentation] COUPLED INSTABILITY OF THIN-WALLED COLUMNS BASED ON MULTI-SCALE CONTINUUM MECHANICS2008

    • Author(s)
      Takahashi, K., T., Mizuuchi, Hirayama, T., Oonuki, M, Nakade, Y. .
    • Organizer
      Proc. 5^<th> Int. Conference on Coupled Instabilities in Metal Structures (CIMS2008), Vol. 1 ed. Rasmussen, K., Wilkinson, T., pp. 125-132.
    • Place of Presentation
      Sydney, Australia
    • Year and Date
      2008-06-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] A NEW THIN-WALLED BEAM THEORY BASED ON MULTI-SCALESTRUCTURAL MECHANICS2008

    • Author(s)
      Takahashi, K., Taguchi, T., Mizuuchi, Hirayama, T., Oonuki, M, Nakade, Y. .
    • Organizer
      Proc. 5^<th> Int. Conference on Thin-Walled Structures(ICTWS2008), Vol. 2, ed. Mahendran, M., pp. l057-1064.
    • Place of Presentation
      Brisbane, Australia
    • Year and Date
      2008-06-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] 分布荷重下の構造物における荷重経路と車体への適用2007

    • Author(s)
      松永 拓也, 高橋 邦弘, 他
    • Organizer
      自動車技術会学術秋季学術講演会
    • Place of Presentation
      国立京都国際会館
    • Year and Date
      2007-10-18
    • Related Report
      2007 Annual Research Report
  • [Presentation] 車体の固有モード形を再現する入力条件下での荷重経路解析2007

    • Author(s)
      岡野 恭久, 高橋 邦弘, 他
    • Organizer
      自動車技術会学術秋季学術講演会
    • Place of Presentation
      国立京都国際会館
    • Year and Date
      2007-10-18
    • Related Report
      2007 Annual Research Report
  • [Presentation] 車体の固有モード形を再現する入力条件下での荷重経路解析2007

    • Author(s)
      岡野恭久, 丸山新一, 松永拓也, 中田達也, 高橋邦弘
    • Organizer
      自動車技術会学術講演会前刷集
    • Place of Presentation
      京都
    • Year and Date
      2007-10-17
    • Related Report
      2009 Final Research Report
  • [Presentation] 分布荷重下の構造物における荷重経路と車体への適用2007

    • Author(s)
      松永拓也, 中田達也, 岡野恭久, 丸山新一, 高橋邦弘
    • Organizer
      自動車技術会学術講演会前刷集
    • Place of Presentation
      京都
    • Year and Date
      2007-10-17
    • Related Report
      2009 Final Research Report
  • [Presentation] Load Path U* Analysis of Square Pipe under Collision2007

    • Author(s)
      Wang, E., Zhang, X., Takahashi, K
    • Organizer
      JSAE Annual Congress Proceedings (Spring)
    • Place of Presentation
      Yokohama
    • Year and Date
      2007-05-23
    • Related Report
      2009 Final Research Report
  • [Patent(Industrial Property Rights)] 構造解析数値計算装置2008

    • Inventor(s)
      高橋邦弘、櫻井俊彰, 中田達也、井上健吾
    • Industrial Property Rights Holder
      慶應義塾
    • Industrial Property Number
      2009-501159
    • Filing Date
      2008-02-04
    • Related Report
      2009 Final Research Report
  • [Patent(Industrial Property Rights)] Numerical Structure-Analysis Calculation System2008

    • Inventor(s)
      高橋邦弘、櫻井俊彰, 中田達也、井上健吾
    • Industrial Property Rights Holder
      慶應義塾
    • Filing Date
      2008-02-04
    • Related Report
      2009 Final Research Report
  • [Patent(Industrial Property Rights)] Computation Device of Numeric Value of Structural Analysis2008

    • Inventor(s)
      高橋邦弘、櫻井俊彰, 中田達也、井上健吾
    • Industrial Property Rights Holder
      慶應義塾
    • Filing Date
      2008-02-04
    • Related Report
      2009 Final Research Report
  • [Patent(Industrial Property Rights)] 構造解析数値解析装置2008

    • Inventor(s)
      高橋 邦弘(他)
    • Industrial Property Rights Holder
      (学)慶応義塾
    • Filing Date
      2008-02-04
    • Related Report
      2007 Annual Research Report
    • Overseas

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

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