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Development of numerical simulation for Non-Newtonian Fluid including free surface problem with variational method

Research Project

Project/Area Number 25820208
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Structural engineering/Earthquake engineering/Maintenance management engineering
Research InstitutionKyoto University

Principal Investigator

Saito Jun  京都大学, 工学(系)研究科(研究院), 准教授 (40456801)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywords非ニュートン流体 / 変分原理 / 自由表面 / 差分法 / フレッシュコンクリート / 砂 / 変分法 / スランプ試験 / 流れ則
Outline of Final Research Achievements

New formulation and development of program code based on the new formulation enable the numerical simulation for Non-Newtonian fluid such as fresh concrete and avalanche. The formulation was extended to handle with a Non-Newtonian fluid such as Bingham, shear-thinning and shear-thickening fluid and sand that moves with fluidity. Furthermore, the modification of discretization improved convergence of iterative computation for solving linear equations. Moreover, slump test was conducted, and the test result was compared with the numerical result to check the validity of this study.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (5 results)

All 2015 2014 2013

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results,  Acknowledgement Compliant: 1 results) Presentation (3 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Application of Edge-based element to Mixed Rigid Plastic FEM and Its Effectiveness2015

    • Author(s)
      西藤潤, 春日井 健太, 小林俊一
    • Journal Title

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

      Volume: 71 Issue: 2 Pages: I_339-I_348

    • DOI

      10.2208/jscejam.71.I_339

    • NAID

      130005128814

    • ISSN
      2185-4661
    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 変分法を用いた非ニュートン流体の三次元解析の基礎的研究2014

    • Author(s)
      西藤潤,島越貴之
    • Journal Title

      計算数理工学論文集

      Volume: 14 Pages: 73-78

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] Application of node-based uniform strain elements to mixed limit analysis2015

    • Author(s)
      K. Kasugai J. Saito and S. Kobayashi
    • Organizer
      XIII International Conference on Computational Plasticity
    • Place of Presentation
      Barcelona
    • Year and Date
      2015-09-01
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 混合型剛塑性有限要素法における辺ベース要素の適用とその有効性2015

    • Author(s)
      西藤潤, 春日井 健太, 小林俊一
    • Organizer
      第19回 応用力学シンポジウム
    • Place of Presentation
      金沢
    • Year and Date
      2015-05-21
    • Related Report
      2015 Annual Research Report
  • [Presentation] 変分法を用いた自由表面を持つ非ニュートン流体の三次元解析2013

    • Author(s)
      西藤 潤
    • Organizer
      日本機械学会 第26回計算力学講演会
    • Place of Presentation
      佐賀大学
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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