UMEHARA Morimichi

写真a

Affiliation

Engineering educational research section Science Center for Engineering Education

Title

Associate Professor

Homepage

http://www.cc.miyazaki-u.ac.jp/umehara/

External Link
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Degree 【 display / non-display 】

  • 博士（理学） ( 2007.9   慶應義塾大学 )

  • 修士（理学） ( 2004.3   慶應義塾大学 )

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Research Areas 【 display / non-display 】

  • Natural Science / Basic analysis  / 偏微分方程式

  • Natural Science / Mathematical physics and fundamental theory of condensed matter physics  / 流体力学、天体物理学

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Professional Memberships 【 display / non-display 】

  • The Mathematical Society of Japan

    2007.10

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Papers 【 display / non-display 】

  • Global existence of the spherically symmetric flow of a self-gravitating viscous gas Reviewed

    Morimichi UMEHARA

    Advaced Studies in Pure mathematics   64   515 - 522   2015.4

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    Authorship：Lead author,　Last author,　Corresponding author   Publishing type：Research paper (international conference proceedings)  

  • Free-boundary problem of the one-dimensional equations for a vis- cous and heat-conductive gaseous ow under the self-gravitation Reviewed

    M. Umehara, A. Tani

    Mathemacical Models and Methods in Applied Sciences   23   1377 - 1419   2013.1

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    Authorship：Lead author,　Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1142/S0218202513500127

  • Temporally global behaviour of the spherically symmertic flow of a viscous and self-gravitating gas Reviewed

    M. Umehara

    AIP Conference Proceedings   1281   924 - 927   2010.10

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    Authorship：Lead author,　Last author,　Corresponding author   Language：English   Publishing type：Research paper (international conference proceedings)  

  • Global existence and asymptotic behaviour of the one-dimensional motion of a self-gravitating viscous and reactive gas Reviewed

    M. Umehara, A. Tani

    GAKUTO International Series Mathematical Sciences and Applications   29   407 - 424   2008.8

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    Authorship：Lead author,　Last author,　Corresponding author   Language：English   Publishing type：Research paper (international conference proceedings)  

  • Global solvability of the free-boundary problem for one-dimensional motion of a self-gravitating viscous radiative and reactive gas Reviewed

    M. Umehara, A. Tani

    Proceedings of the Japan Academy Ser. A, Mathematical Sciences   84   123 - 128   2008.7

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    Authorship：Lead author,　Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.3792/pjaa.84.123

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MISC 【 display / non-display 】

  • A free-boundary problem for the spherically symmetric motion of a viscous heat-conducting and self-gravitating gas

    梅原　守道

    数理解析研究所講究録（流体と気体の数学解析）   2215   119 - 127   2022.4

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    Authorship：Lead author,　Last author,　Corresponding author   Language：English   Publishing type：Research paper, summary (national, other academic conference)  

  • Large-time existence of the spherically symmetric flow of a self-gravitating viscous gas

    梅原　守道

    数理解析研究所講究録（長距離力に支配された多体系自己組織化の統一的理解を目指して）   1885   105 - 115   2014.4

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    Language：English   Publishing type：Research paper, summary (national, other academic conference)  

  • Free-boundary problem of the equations for flows of viscous heat-conducting and self-gravitating gas

    M. Umehara

    数理解析研究所講究録（流体と気体の数学解析）   1883   75 - 83   2014.4

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    Language：English   Publishing type：Research paper, summary (national, other academic conference)  

  • On the free-boundary problem for self-gravitating viscous gaseous models

    M. Umehara

    数理科学セミナー   12   94 - 108   2009.4

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    Authorship：Lead author,　Last author,　Corresponding author   Language：English   Publishing type：Research paper, summary (national, other academic conference)  

  • Global solvability and some uniform-in-time bounds of the solution for self-gravitating viscous stellar models

    M. Umehara, A. Tani

    数理解析研究所講究録（流体と気体の数学解析）   1592   116 - 129   2008.4

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    Authorship：Lead author,　Last author,　Corresponding author   Language：English   Publishing type：Research paper, summary (national, other academic conference)  

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Presentations 【 display / non-display 】

  • Existence of a spherically symmetric and steady flow of the heat-conducting and self-gravitating fluids

    UMEHARA, Morimichi

    2023.9.21 

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    Event date： 2023.9.20 - 2023.9.22

    Language：Japanese   Presentation type：Oral presentation (general)  

  • A spherically symmetric and steady flow describing the motion of a viscous gaseous star International conference

    M. Umehara

    10th international congress on industrial and applied mathematics  2023.8.25 

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    Event date： 2023.8.20 - 2023.8.25

    Language：English   Presentation type：Oral presentation (general)  

  • Steady and spherically symmetric flows of a viscous heat-conducting and self-gravitating gas bounded by the free-surface Invited International conference

    M. Umehara

    Mathematical Analysis on Fluid Dynamics and Conservation Laws (in honor of Professor Shinya Nishibata on the occasion of his 60th birthday)  (Online (Zoom))  2022.9.24 

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    Event date： 2022.9.23 - 2022.9.24

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Online (Zoom)   Country：Japan  

  • A free-boundary problem for the spherically symmetric motion of a viscous heat-conducting and self-gravitating gas Invited International conference

    M. Umehara

    RIMS workshop on: Mathematical analysis in fluid and gas dynamics (The 22th workshop)  (Online (Zoom))  2021.7.9 

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    Event date： 2021.7.7 - 2021.7.9

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Online (Zoom)   Country：Japan  

  • On spherically symmetric motions of a viscous heat-conducting and self-gravitating gas Invited International conference

    M. Umehara

    The fifth China-Japan workshop on mathematical topics from fluid mechanics  (Wuhan Univ., Wuhan)  2015.11.19 

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    Event date： 2015.11.17 - 2015.11.21

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Wuhan Univ., Wuhan   Country：China  

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Grant-in-Aid for Scientific Research 【 display / non-display 】

  • 天文現象における自己重力流体の運動の数学解析

    Grant number：26800071  2014.04 - 2018.03

    科学研究費補助金  若手研究(B)

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    Authorship：Principal investigator  Grant type：Competitive

  • EMHDとそれに関連する自由境界問題の数学解析

    Grant number：26400176   2014.04 - 2017.03

    科学研究費補助金  基盤研究(C)

    谷温之

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    Authorship：Collaborating Investigator(s) (not designated on Grant-in-Aid) 

  • 非ニュートン流体の運動の数学解析

    Grant number：23654055   2011.04 - 2015.03

    科学研究費補助金  挑戦的萌芽研究

    谷温之

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    Authorship：Collaborating Investigator(s) (not designated on Grant-in-Aid) 

  • 連続体近似による天文現象のモデル化と数学解析

    Grant number：23740099  2011.04 - 2014.03

    科学研究費補助金  若手研究(B)

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    Authorship：Principal investigator 

  • 弾性波の表示法の開発と基本性質の究明

    Grant number：21540161   2009.04 - 2012.03

    科学研究費補助金  基盤研究(C)

    曽我 日出夫

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    Authorship：Collaborating Investigator(s) (not designated on Grant-in-Aid) 

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Other research activities 【 display / non-display 】

  • 研究集会「現象解析特別セミナー」の企画および世話人

    2012.03 - 2017.03

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    次の研究集会を企画運営した。
    「現象解析特別セミナー」(2012/3/24～25＠茨城大学）
    「現象解析特別セミナー第02回」(2012/09/29～30＠茨城大学）
    「現象解析特別セミナー第03回」(2013/03/02～03＠群馬大学）
    「現象解析特別セミナー第04回」(2013/09/28～29＠東京理科大学）
    「現象解析特別セミナー第05回」(2014/03/22～23＠茨城大学）
    「現象解析特別セミナー第06回」(2014/09/05～06＠東京理科大学）
    「現象解析特別セミナー第07回」(2015/03/16～17＠茨城大学）
    「現象解析特別セミナー第08回」(2015/09/19～20＠東京理科大学）
    「現象解析特別セミナー第09回」(2016/03/20～21＠茨城大学）
    「現象解析特別セミナー第10回」(2016/09/19～20＠宮崎大学）
    「現象解析特別セミナー第11回」(2017/03/15～17＠茨城大学）

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