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Generation mechanism of ground motion due to off-fault plasticity

Research Project

Project/Area Number 22760346
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Structural engineering/Earthquake engineering/Maintenance management engineering
Research InstitutionKyoto University

Principal Investigator

GOTO Hiroyuki  京都大学, 防災研究所, 助教 (70452323)

Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywords地震工学 / 防災 / 地震 / シミュレーション工学 / 断層運動 / 津波 / 拡張有限要素法 / 弾塑性解析
Research Abstract

Ground motion generated by buried rupture earthquake is empirically larger than that generated by surface rupture earthquakes. I focus on a relation between a hypocenter depth and bottom depth of seismogenic zone in a crust, and perform physics-based rupture simulations numerically. For the buried rupture earthquake, pulse-like rupture becomes major. That causes seismic radiation energy be compact in time.
Ground motion generated by buried rupture earthquake is empirically larger than that generated by surface rupture earthquakes. I focus on a relation between a hypocenter depth and bottom depth of seismogenic zone in a crust, and perform physics-based rupture simulations numerically. For the buried rupture earthquake, pulse-like rupture becomes major. That causes seismic radiation energy be compact in time.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (33 results)

All 2013 2012 2011 2010 Other

All Journal Article (14 results) (of which Peer Reviewed: 14 results) Presentation (19 results)

  • [Journal Article] 海溝型地震の分岐断層破壊シナリオで発生する津波の特徴に関する一考察2013

    • Author(s)
      奥村与志弘・後藤浩之
    • Journal Title

      土木学会論文集A1(地震工学論文集)

      Volume: 未定

    • NAID

      130004556985

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Dynamic rupture simulation of the 2011 off the Pacific coast of Tohoku earthquake: multi-event generation within dozens of seconds2012

    • Author(s)
      Hiroyuki Goto, Yojiro Yamamoto and Saeko Kita
    • Journal Title

      Earth, Planets and Space

      Volume: Vol.64, No.12 Issue: 12 Pages: 1167-1175

    • DOI

      10.5047/eps.2012.06.002

    • NAID

      10031155194

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Generation mechanism of surface and buried faults: Effect of plasticity in a shallow crust structure2012

    • Author(s)
      Kazunori Wada and Hiroyuki Goto
    • Journal Title

      Bull. Seism. Soc. Am.

      Volume: Vol.102, No.4 Issue: 4 Pages: 1712-1728

    • DOI

      10.1785/0120110212

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Ground motion characteristics during the 2011 off the Pacific coast of Tohoku earthquake2012

    • Author(s)
      Hiroyuki Goto and Hitoshi Morikawa
    • Journal Title

      Soils and Foundations

      Volume: Vol.52, No.5 Issue: 5 Pages: 769-779

    • DOI

      10.1016/j.sandf.2012.11.002

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Generation mechanism of surface and buried faults : Effect of plasticity in a shallow crust structure2012

    • Author(s)
      Kazunori Wada, Hiroyuki Goto
    • Journal Title

      Bulletin of the Seismological Society of America

      Volume: (印刷中)

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] BE-FE融合要素を用いた微小空隙を含む2次元媒質の静弾性解析2011

    • Author(s)
      後藤浩之・佐藤芳樹・澤田純男・高橋良和
    • Journal Title

      Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM))

      Volume: 67 Issue: 2 Pages: I_153-I_159

    • DOI

      10.2208/jscejam.67.I_153

    • NAID

      130004557154

    • ISSN
      2185-4661
    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] BE-FE融合要素を用いた微小空隙を含む2次元媒質の静弾性解析2011

    • Author(s)
      後藤浩之, 佐藤芳樹, 澤田純男, 高橋良和
    • Journal Title

      土木学会論文集A2(応用力学)

      Volume: 67

    • NAID

      130004557154

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Conserved quantity of elastic waves in multi-layered media: 2D SH case -Normalized Energy Density-2011

    • Author(s)
      Hiroyuki Goto,Sumio Sawadaand Toshiyuki Hirai
    • Journal Title

      Wave Motion

      Volume: Vol.48, No.7 Issue: 7 Pages: 602-612

    • DOI

      10.1016/j.wavemoti.2011.04.011

    • NAID

      120003405533

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Simulation of spontaneous rupture based on a combined boundary integral equation method and finite element method approach: SH and P-SV cases2010

    • Author(s)
      Hiroyuki Goto, Leonardo Ramirez-Guzman and Jacobo Bielak
    • Journal Title

      Geophys. J. Int

      Volume: Vol.183, No.2 Issue: 2 Pages: 975-1004

    • DOI

      10.1111/j.1365-246x.2010.04772.x

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] 拡張有限要素法(X-FEM)を用いた自発的な断層破壊の数値解析手法の開発2010

    • Author(s)
      和田一範,後藤浩之
    • Journal Title

      応用力学論文集

      Volume: Vol.13 Pages: 667-674

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Trade-offs among dynamic parameters inferred from results of dynamic source inversion2010

    • Author(s)
      Hiroyuki Gotoand Sumio Sawada
    • Journal Title

      Bull. Seism. Soc. Am.

      Volume: Vol.100 Issue: 3 Pages: 910-922

    • DOI

      10.1785/0120080250

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Simulation of spontaneous rupture based on a combined boundary integral equation method and finite element method approach : SH and P-SV cases2010

    • Author(s)
      Hiroyuki Goto, Leonardo Ramirez-Guzman, Jacobo Bielak
    • Journal Title

      Geophysical Journal International

      Volume: 183 Pages: 975-1004

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 拡張有限要素法(X-FEM)を用いた自発的な断層破壊の数値解析手法の開発2010

    • Author(s)
      和田一範, 後藤浩之
    • Journal Title

      応用力学論文集

      Volume: 13 Pages: 667-674

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 海溝型地震の分岐断層破壊シナリオで発生する津波の特徴に関する一考察

    • Author(s)
      奥村与志弘,後藤浩之
    • Journal Title

      土木学会論文集A1(地震工学論文集)

      Volume: (印刷中)

    • NAID

      130004556985

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Presentation] 海溝型地震の分岐断層破壊シナリオで発生する津波の特徴に関する一考察2012

    • Author(s)
      後藤浩之
    • Organizer
      土木学会地震工学研究発表会
    • Place of Presentation
      東京大学(東京)
    • Year and Date
      2012-10-26
    • Related Report
      2012 Final Research Report
  • [Presentation] 海溝型地震の分岐断層破壊シナリオで発生する津波の特徴2012

    • Author(s)
      後藤浩之
    • Organizer
      日本地震学会2012年秋季大会
    • Place of Presentation
      函館市民会館(函館市)
    • Year and Date
      2012-10-18
    • Related Report
      2012 Final Research Report
  • [Presentation] Generation mechanism of surface and buried faults: Effect of plasticity in a shallow crust structure2012

    • Author(s)
      Kazunori Wada, Hiroyuki Goto
    • Organizer
      15thWorld Conference on Earthquake Engineering
    • Place of Presentation
      ポルトガル・リスボン
    • Year and Date
      2012-09-25
    • Related Report
      2012 Final Research Report
  • [Presentation] 海溝型地震の分岐断層破壊シナリオで発生する津波の特徴2012

    • Author(s)
      後藤浩之,奥村与志弘
    • Organizer
      日本地震学会2012年秋期大会
    • Place of Presentation
      函館市民会館,函館市
    • Related Report
      2012 Annual Research Report
  • [Presentation] 海溝型地震の分岐断層破壊シナリオで発生する津波の特徴に関する一考察2012

    • Author(s)
      奥村与志弘,後藤浩之
    • Organizer
      土木学会地震工学研究発表会
    • Place of Presentation
      東京大学生産技術研究所,東京
    • Related Report
      2012 Annual Research Report
  • [Presentation] Generation mechanism of surface and buried faults: Effect of plasticity in a shallow crust structure2012

    • Author(s)
      Kazunori Wada, Hiroyuki Goto
    • Organizer
      15th World Conference on Earthquake Engineering
    • Place of Presentation
      Lisbon Congress Centre, Portugal
    • Related Report
      2012 Annual Research Report
  • [Presentation] Generation mechanism of surface and buried faults considering the effect of plasticity in a shallow crust structure2011

    • Author(s)
      Hiroyuki Goto
    • Organizer
      2011 AGU Fall Meeting
    • Place of Presentation
      Moscone Convention Center, San Francisco,アメリカ・サンフランシスコ
    • Year and Date
      2011-12-08
    • Related Report
      2012 Final Research Report
  • [Presentation] Generation mechanism of surface and buried faults considering the effect of plasticity in a shallow crust structure2011

    • Author(s)
      Hiroyuki Goto
    • Organizer
      2011 AGU Fall Meeting
    • Place of Presentation
      アメリカ・サンフランシスコ
    • Year and Date
      2011-12-08
    • Related Report
      2011 Annual Research Report
  • [Presentation] 浅部地殻での塑性化を考慮した地表断層と潜在断層の生成メカニズム2011

    • Author(s)
      和田一範,後藤浩之
    • Organizer
      日本地震学会2011年度秋期大会
    • Place of Presentation
      静岡県コンベンションアーツセンター・グランシップ(静岡市)
    • Year and Date
      2011-10-12
    • Related Report
      2012 Final Research Report
  • [Presentation] 浅部地殻での塑性化を考慮した地表断層と潜在断層の生成メカニズム2011

    • Author(s)
      和田一範
    • Organizer
      日本地震学会2011年度秋期大会
    • Place of Presentation
      グランシップ(静岡市)
    • Year and Date
      2011-10-12
    • Related Report
      2011 Annual Research Report
  • [Presentation] 浅部地殻での塑性化を考慮した地表断層と潜在断層の生成メカニズム2011

    • Author(s)
      和田一範,後藤浩之
    • Organizer
      土木学会平成23年度全国大会第66回年次学術講演会
    • Place of Presentation
      愛媛大学(松山市)
    • Year and Date
      2011-09-07
    • Related Report
      2012 Final Research Report 2011 Annual Research Report
  • [Presentation] Definition of normalized energy density and its application to direct estimation od damping property2011

    • Author(s)
      Hiroyuki Goto
    • Organizer
      The 4th International IASPEI/IAEE Symposium on the Effects of Surface Geology on Seismic Motion
    • Place of Presentation
      アメリカ・サンタバーバラ
    • Year and Date
      2011-08-24
    • Related Report
      2011 Annual Research Report
  • [Presentation] Trade-offs among dynamic parameters inferred from 2D dynamic source inversion results2010

    • Author(s)
      Hiroyuki Goto
    • Organizer
      2010 AGU Fall Meeting
    • Place of Presentation
      Moscone Convention Center, San Francisco,アメリカ
    • Year and Date
      2010-12-16
    • Related Report
      2012 Final Research Report
  • [Presentation] Trade-offs among dynamic parameters inferred from 2D dynamic source inversion results2010

    • Author(s)
      Hiroyuki Goto, Sumio Sawada
    • Organizer
      2010 AGU Fall Meeting
    • Place of Presentation
      Moscone Convention Center, San Francisco,アメリカ(招待講演)
    • Year and Date
      2010-12-16
    • Related Report
      2010 Annual Research Report
  • [Presentation] 拡張有限要素法(X-FEM)を用いた弾塑性媒質中の自発的な断層破壊の解析2010

    • Author(s)
      和田一範,後藤浩之
    • Organizer
      日本地震学会2010年秋季大会
    • Place of Presentation
      広島国際会議場(広島市)
    • Year and Date
      2010-10-29
    • Related Report
      2012 Final Research Report 2010 Annual Research Report
  • [Presentation] Hybrid multidomain finite element and boundary element method for dynamic rupture in heterogeneous media2010

    • Author(s)
      Hiroyuki Goto
    • Organizer
      Workshop Earthquake Source Dynamics
    • Place of Presentation
      Smolenice Castle, スロバキア
    • Year and Date
      2010-06-30
    • Related Report
      2012 Final Research Report
  • [Presentation] Hybrid multidomain finite element and boundary element method for dynamic rupture in heterogeneous media2010

    • Author(s)
      Hiroyuki Goto, Jacobo Bielak
    • Organizer
      Workshop Earthquake Source Dynamics
    • Place of Presentation
      Smolenice Castle,スロバキア
    • Year and Date
      2010-06-30
    • Related Report
      2010 Annual Research Report
  • [Presentation] Simulation of spontaneous rupture based on a combined boundary integral equation method and finite element method approach2010

    • Author(s)
      Hiroyuki Goto
    • Organizer
      Workshop Earthquake Source Dynamics
    • Place of Presentation
      Smolenice Castle, スロバキア
    • Year and Date
      2010-06-29
    • Related Report
      2012 Final Research Report
  • [Presentation] Simulation of spontaneous rupture based on a combined boundary integral equation method and finite element method approach2010

    • Author(s)
      Hiroyuki Goto, Leonardo Ramirez-Guzman, Jacobo Bielak
    • Organizer
      Workshop Earthquake Source Dynamics
    • Place of Presentation
      Smolenice Castle,スロバキア
    • Year and Date
      2010-06-29
    • Related Report
      2010 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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