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Innovative Shape Optimization Problem of Flow Fields

Research Project

Project/Area Number 16K20906
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Computational science
Foundations of mathematics/Applied mathematics
Research InstitutionOsaka University (2017-2018)
Tohoku University (2016)

Principal Investigator

NAKAZAWA TAKASHI  大阪大学, 数理・データ科学教育研究センター, 准教授 (20726765)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords形状最適化 / 流れ問題 / Snapshot POD / Navier-stokes問題 / POD / 数理流体力学 / 形状最適化問題 / 流体制御 / 乱流制御 / 安定性解析
Outline of Final Research Achievements

By using Snapshot POD, time dependent flow is decomposed into time average flow and time fluctuation flow, and shape optimization problem suppressing and enhancing turbulence is constructed. In particular, Non-Stationary Navier-Stokes problem and eigenvalue problem of Snapshot POD are used as constraint function, and more eigenvalues of Snapshot POD is defined as the cost function.

Academic Significance and Societal Importance of the Research Achievements

産業界において流体機器を設計する際,非定常流を制御対象とすることが圧倒的に多い.例えば,航空機に焦点を当てると,ジェットエンジン内部では熱エネルギーを効率的に抽出するために高速回転させたタービンが乱流を発生させ,主翼周りでは安定な浮力を維持するために乱流を抑制させることが要求される.このように,非定常流を発生・抑制させることは産業上,重要な観点であるが,その強い非線形から極めて制御が困難な課題でもある.そのため,非定常流中の特徴的な空間構造を持つ時間変動場を考慮した形状最適化手法を構築することで,産業界における種々の課題を解決することを目指す..

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (29 results)

All 2019 2018 2017 2016

All Journal Article (6 results) (of which Peer Reviewed: 6 results,  Open Access: 1 results,  Acknowledgement Compliant: 4 results) Presentation (23 results) (of which Int'l Joint Research: 3 results,  Invited: 8 results)

  • [Journal Article] Shape Optimization of Flow Fields considering Proper Orthogonal Decomposition2019

    • Author(s)
      T. Nakazawa
    • Journal Title

      Math. Anal. of Cont. Mech. and Insust. Appl.

      Volume: 未定

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Flow Control by the fusion between mathematical and data science2018

    • Author(s)
      T. Nakazawa
    • Journal Title

      JAXA Special Publication

      Volume: JAXA-SP-18-005 Pages: 131-134

    • NAID

      120006827193

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] The two step shape optimization algorithm improving Hydrodynamics Stability2016

    • Author(s)
      Takashi NAKAZAWA
    • Journal Title

      roceedings of ECCOMAS Congres 2016

      Volume: 4881

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Shape optimization problems of flow fields considering the non linear disturbances2016

    • Author(s)
      Takashi NAKAZAWA
    • Journal Title

      Proceedings of ACSMO 2016

      Volume: 3A2-4

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Shape Optimization on Hagen Poiseuille flow with Stenosis2016

    • Author(s)
      Takashi NAKAZAWA, Toyomu Ugawa
    • Journal Title

      Proceedings of ICFD Ssendai 2016

      Volume: 5009-1

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Shape Optimization using POD for flow stability2016

    • Author(s)
      Takashi NAKAZAWA
    • Journal Title

      Proceedings of ICFD Ssendai 2016

      Volume: 5009-2

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] 数理・データ科学の融合による流体制御【数理シミュレーション】2018

    • Author(s)
      中澤嵩
    • Organizer
      計算工学講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Shape Optimization Problem for Suppressing Time Periodic Flows2018

    • Author(s)
      中澤嵩
    • Organizer
      18th International Conference CoMFoS18: Mathematical Analysis of Continuum Mechanics II
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] ロバスト形状最適化問題と目的関数収束メカニズム2018

    • Author(s)
      中澤嵩
    • Organizer
      HMCセミナー
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] 数理・データ科学の融合による流体制御2018

    • Author(s)
      中澤嵩
    • Organizer
      流体力学講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 数理・データ科学の融合による流体制御2018

    • Author(s)
      中澤嵩
    • Organizer
      ODE-jp
    • Related Report
      2018 Annual Research Report
  • [Presentation] Shape optimization problem for suppressing time periodic flows2018

    • Author(s)
      中澤嵩
    • Organizer
      GSIS summer school
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] 数理科学の融合による流体制御2018

    • Author(s)
      中澤嵩
    • Organizer
      応用数理研究会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Shape Optimization for Suppressing the Amplitude of the Time Periodic Flow By using POD2018

    • Author(s)
      中澤嵩
    • Organizer
      ICFD sendai
    • Related Report
      2018 Annual Research Report
  • [Presentation] Shape Optimization for suppressing time periodic flow considering Snapshot POD2018

    • Author(s)
      中澤嵩
    • Organizer
      数値流体シンポジウム
    • Related Report
      2018 Annual Research Report
  • [Presentation] 形状最適化問題による効率的流体制御2018

    • Author(s)
      中澤嵩
    • Organizer
      応用数学合同研究集会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 数理・データ科学の融合による流体制御2018

    • Author(s)
      中澤嵩
    • Organizer
      日本応用数理学会
    • Related Report
      2017 Research-status Report
  • [Presentation] Shape Optimization for Flow fields and its application for Fluid dynamics2017

    • Author(s)
      Takashi NAKAZAWA
    • Organizer
      Numerical Methods and Analysis for Structures and Singularities in Fluids Ⅱ
    • Place of Presentation
      名古屋大学
    • Year and Date
      2017-01-30
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Shape Optimization for Flow fields and its application for Fluid dynamics2017

    • Author(s)
      中澤嵩
    • Organizer
      土木学会 応用力学委員会 中国地区応用力学フォーラム
    • Place of Presentation
      岡山大学
    • Year and Date
      2017-01-20
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] Optimal Control of Hydrodynamic Stability by Shape Optimization Problem2017

    • Author(s)
      Takashi NAKAZAWA
    • Organizer
      クロスボーダーセミナー
    • Place of Presentation
      北海道大学
    • Year and Date
      2017-01-08
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] 形状最適化問題による流れ場の安定性解析2017

    • Author(s)
      中澤嵩
    • Organizer
      計算工学会
    • Related Report
      2017 Research-status Report
  • [Presentation] 形状最適化による流れ場の最適制御:数値シミュレーション2017

    • Author(s)
      中澤嵩
    • Organizer
      日本流体力学学会
    • Related Report
      2017 Research-status Report
  • [Presentation] 形状最適化による流れ場の最適制御:理論2017

    • Author(s)
      中澤嵩
    • Organizer
      日本流体力学学会
    • Related Report
      2017 Research-status Report
  • [Presentation] 数理・データ科学の融合による流れ場の効率的制御2017

    • Author(s)
      中澤嵩
    • Organizer
      日本応用数理学会
    • Related Report
      2017 Research-status Report
  • [Presentation] Shape Optimization Problem of Flow Fields for suppressing Time Periodic Flows2017

    • Author(s)
      T. NAKAZAWA
    • Organizer
      COMFOS17
    • Related Report
      2017 Research-status Report
    • Invited
  • [Presentation] SHAPE OPTIMIZATION OF FLOW FIELDS CONSIDERING POD2017

    • Author(s)
      Shape Optimization Problem of Flow Fields for suppressing Time Periodic Flows
    • Organizer
      ICJWSF
    • Related Report
      2017 Research-status Report
  • [Presentation] 数理・データ科学の融合による流体制御2017

    • Author(s)
      中澤嵩
    • Organizer
      応用数学合同研究集会
    • Related Report
      2017 Research-status Report
  • [Presentation] Shape Optimization Problem improving Hydrodynamic Stability2016

    • Author(s)
      Takashi NAKAZAWA
    • Organizer
      International Seminar on Applied Mathematics for Real-world Problems II
    • Place of Presentation
      北海道大学
    • Year and Date
      2016-10-28
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Shape optimization problem of flow fields toward turbulent control2016

    • Author(s)
      Takashi NAKAZAWA
    • Organizer
      CoMFoS16: Mathematical Analysis of Continuum Mechanics and Industrial Applications II
    • Place of Presentation
      九州大学
    • Year and Date
      2016-10-22
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited

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Published: 2016-04-21   Modified: 2020-03-30  

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