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Homogenized inelastic constitutive equation of open-porous bodies: theoretical developments and applications

Research Project

Project/Area Number 24360045
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypePartial Multi-year Fund
Section一般
Research Field Materials/Mechanics of materials
Research InstitutionNagoya University

Principal Investigator

OHNO Nobutada  名古屋大学, 工学(系)研究科(研究院), 教授 (30115539)

Co-Investigator(Kenkyū-buntansha) OKUMURA Dai  名古屋大学, 大学院工学研究科, 准教授 (70362283)
Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥7,930,000 (Direct Cost: ¥6,100,000、Indirect Cost: ¥1,830,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Keywords均質化 / 非弾性変形 / 構成式 / オープンポーラス体 / ポア圧
Outline of Final Research Achievements

First, micro-macro relations were derived for developing a homogenized viscoplastic constitutive equation of anisotropic open-porous bodies subjected to pore pressure. Second, using the derived micro-macro relations, the effect of micro-viscoplasticity and pore pressure on the homogenized viscoplastic behavior was theoretically investigated. Third, based on the theoretical findings, a homogenized viscoplastic equation was developed. Then, the resulting constitutive equation was verified by performing finite element homogenization analysis of unit cells of plate-fin structures and thick perforated plates.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Annual Research Report
  • 2012 Annual Research Report
  • Research Products

    (16 results)

All 2015 2014 2013 2012 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Acknowledgement Compliant: 1 results) Presentation (10 results) Remarks (2 results)

  • [Journal Article] Homogenized elastic-viscoplastic behavior of thick perforated plates with pore pressure2015

    • Author(s)
      Kazutaka Ikenoya, Nobutada Ohno, Naoto Kasahara
    • Journal Title

      Advanced Structured Materials

      Volume: 57 Pages: 97-116

    • DOI

      10.1007/978-3-319-14660-7_6

    • ISBN
      9783319146591, 9783319146607
    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Effect of strain hardening on monotonic and cyclic loading behavior of plate-fin structures with two pore pressures2015

    • Author(s)
      Shuhei Banno, Dai Okumura, Nobutada Ohno
    • Journal Title

      Key Engineering Materials

      Volume: 626 Pages: 133-138

    • DOI

      10.4028/www.scientific.net/kem.626.133

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Homogenized elastic-viscoplastic behavior of plate-fin structures with two pore pressures2014

    • Author(s)
      Nobutada Ohno, Kohei Narita, Dai Okumura
    • Journal Title

      International Journal of Mechanical Sciences

      Volume: 未定 Pages: 18-25

    • DOI

      10.1016/j.ijmecsci.2013.10.015

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Homogenized Elastic-Viscoplastic Behavior of Anisotropic Open-Porous Bodies2013

    • Author(s)
      N. Ohno
    • Journal Title

      Key Engineering Materials

      Volume: 533-536 Pages: 12-17

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Presentation] Effect of strain hardening on monotonic and cyclic loading behavior of plate-fin structures with two pore pressures2014

    • Author(s)
      S. Banno, D. Okumura, N. Ohno
    • Organizer
      12th Asia-Pacific Conference on Engineering Plasticity and Its Applications
    • Place of Presentation
      Kaohsiung, Taiwan
    • Year and Date
      2014-09-01 – 2014-09-05
    • Related Report
      2014 Annual Research Report
  • [Presentation] 内圧差を有するプレートフィン構造体の弾粘塑性均質化挙動に及ぼすひずみ硬化の影響2014

    • Author(s)
      坂野修平,奥村 大,大野信忠
    • Organizer
      日本機械学会M&M2014材料力学カンファレンス
    • Place of Presentation
      福島大学
    • Year and Date
      2014-07-18 – 2014-07-21
    • Related Report
      2014 Annual Research Report
  • [Presentation] プレートフィン構造体の弾粘塑性均質化解析に及ぼす内圧差の影響2014

    • Author(s)
      大野信忠,奥村 大,成田航平
    • Organizer
      日本材料学会第63期学術講演会
    • Place of Presentation
      福岡大学
    • Year and Date
      2014-05-16 – 2014-05-18
    • Related Report
      2014 Annual Research Report
  • [Presentation] 内圧差を有するプレートフィン構造体の弾粘塑性均質化解析2014

    • Author(s)
      成田航平,大野信忠,奥村 大
    • Organizer
      日本機械学会東海支部第63期総会講演会
    • Place of Presentation
      大同大学
    • Related Report
      2013 Annual Research Report
  • [Presentation] 内圧を受ける厚肉多孔板の弾粘塑性均質化シミュレーション2013

    • Author(s)
      成田航平,池之谷和孝,大野信忠,笠原直人
    • Organizer
      日本材料学会第62期学術講演会
    • Place of Presentation
      東京工業大学大岡山キャンパス
    • Related Report
      2013 Annual Research Report
  • [Presentation] Homogenized elastic-viscoplastic behavior of open porous bodies with two pore pressures2013

    • Author(s)
      N. Ohno, K. Narita, D. Okumura
    • Organizer
      3rd International Conference on Material Modelling
    • Place of Presentation
      Warsaw, Poland
    • Related Report
      2013 Annual Research Report
  • [Presentation] 内圧差を有するオープンポーラス構造体の弾粘塑性均質化挙動2013

    • Author(s)
      成田航平,大野信忠,奥村 大
    • Organizer
      M&M2013材料力学カンファレンス
    • Place of Presentation
      岐阜大学
    • Related Report
      2013 Annual Research Report
  • [Presentation] Homogenized elastic-viscoplastic behavior of anisotropic open-porous bodies2012

    • Author(s)
      N. Ohno
    • Organizer
      11th Asia-Pacific Conference on Engineering Plasticity and Its Applications
    • Place of Presentation
      Nanyang Technological University, Singapore(招待講演)
    • Year and Date
      2012-12-06
    • Related Report
      2012 Annual Research Report
  • [Presentation] 内圧を受ける異方オープンポーラス体の弾粘塑性マクロ構成式2012

    • Author(s)
      池之谷和孝, 大野信忠, 奥村大, 松田哲也
    • Organizer
      日本機械学会M & M2012材料力学カンファレンス
    • Place of Presentation
      愛媛大学
    • Year and Date
      2012-09-22
    • Related Report
      2012 Annual Research Report
  • [Presentation] 異方オープンポーラス体の弾粘塑性均質化構成式2012

    • Author(s)
      池之谷和孝, 大野信忠, 奥村大, 松田哲也
    • Organizer
      日本材料学会第61期学術講演会
    • Place of Presentation
      岡山大学津島キャンパス
    • Year and Date
      2012-05-27
    • Related Report
      2012 Annual Research Report
  • [Remarks] 異方オープンポーラス構造体のマクロ材料モデルの構築

    • URL

      http://www.mech.nagoya-u.ac.jp/mml/JPN/research/research.htm

    • Related Report
      2014 Annual Research Report
  • [Remarks] 異方オープンポーラス構造体のマクロ材料モデルの構築

    • URL

      http://www.mech.nagoya-u.ac.jp/mml/JPN/research/research.htm

    • Related Report
      2013 Annual Research Report

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Published: 2012-04-24   Modified: 2019-07-29  

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