{"id":2993,"date":"2022-08-08T09:45:38","date_gmt":"2022-08-08T00:45:38","guid":{"rendered":"https:\/\/c-mng.cwh.hokudai.ac.jp\/stl.eng\/Root\/?page_id=2993"},"modified":"2022-08-08T09:50:33","modified_gmt":"2022-08-08T00:50:33","slug":"internship-theme-20220606","status":"publish","type":"page","link":"https:\/\/c-mng.cwh.hokudai.ac.jp\/stl.eng\/Root\/internship-theme-20220606.html","title":{"rendered":"Internship theme 20220606"},"content":{"rendered":"

Internship student<\/span>: Vidyut Balaji
\nDuration<\/span>: June 6, 2022 \u2013 August 12, 2022
\nSupervisor<\/span>: Yusuke Takahashi
\nTrainer(s) in Lab<\/span>.: Mr. Sanjoy Saha<\/p>\n

\n

Research Title<\/span>: Fluid-structure interaction of a Flat-Plate Wing in a High-Enthalpy Flow<\/p>\n

Objectives<\/span>: To investigate fluid-structure interaction and limit cycle oscillation behavior of thin flat wing using computational science approach<\/p>\n

Analysis Target<\/span>: Flat plate wing at transonic\/subsonic speed<\/p>\n

Learnings expected:<\/span><\/p>\n

    \n
  1. To learn software programs and computer scripts related to fluid-structure interaction (FSI) analysis (C\/C++, Python, Shellscript)<\/li>\n
  2. To develop research skills and methodology related to FSI analysis<\/li>\n
  3. To learn basic theory for fluid dynamics, structural mechanics, and computational engineering.<\/li>\n<\/ol>\n

    Tools:<\/span><\/p>\n

      \n
    1. FSI software: SU2, CalculiX and preCICE (C\/C++, Fortran)<\/li>\n
    2. Preprocess\/postprocess software: Pointwise, FreeCAD, Paraview<\/li>\n
    3. Linux OS (Ubuntu)<\/li>\n
    4. Interactive program for data processing and calculation operation: Python and Shellscript etc<\/li>\n
    5. Office tool: Microsoft office (MS Word, Excel, and Powerpoint) and\/or Mac office<\/li>\n
    6. Cloud server:<\/li>\n
    7. Storage server:<\/li>\n<\/ol>\n

      Project fSTEP:<\/span>
      \nLink: https:\/\/f3.eng.hokudai.ac.jp\/self-evaluation-program-guide.html<\/p>\n

      \n

      Schedule planned:<\/span><\/p>\n

      1. First week (June 6\u201410, 2022)
      \n<\/span><\/p>\n

        \n
      • Definition of objectives of the present project through fSTEP of f3 center: https:\/\/f3.eng.hokudai.ac.jp\/self-evaluation-program-guide.html<\/li>\n
      • Literature review study<\/li>\n
      • Accessing to cloud server in Hokkaido University<\/li>\n
      • Tutorials of preprocess\/postprocess software: Pointwise, FreeCAD, and Paraview<\/li>\n<\/ul>\n

        2. Second 2 weeks (June 13\u201424 2021)<\/span><\/p>\n

          \n
        • Verification and validation of the present FSI analysis model (1)\n
            \n
          • Reference: Attar et al., \u201cAeroelastic prediction of the limit cycle oscillations of a cropped delta wing\u201d, Journal of Fluids and Structures 22 (2006) 45\u201358.<\/li>\n<\/ul>\n<\/li>\n
          • Generating computational grids for flow field and structural mechanics simulations<\/li>\n
          • Setting computation setups for flow field and structural mechanics solvers, and coupler, for example, the boundary conditions initial conditions, and coupling schemes.<\/li>\n<\/ul>\n

            3. Third 2 weeks (June 27\u2014July 8, 2022)<\/span><\/p>\n

              \n
            • Verification and validation of the FSI analysis model (2)<\/li>\n
            • Running FSI simulation for elastic wing on cloud server<\/li>\n
            • Postprocess of simulation results<\/li>\n
            • Comparison between the present FSI analysis results and referenced data (Attar\u2019s paper)<\/li>\n<\/ul>\n

              4. Fourth 2 weeks (July 11\u201422, 2022)<\/span><\/p>\n

                \n
              • FSI analysis for flat wing<\/li>\n
              • Generating computational grids for flow field and structural mechanics simulations<\/li>\n
              • Setting computation setups for flow field and structural mechanics solvers, and coupler, for example, the boundary conditions initial conditions, and coupling schemes.<\/li>\n<\/ul>\n

                5. Fifth 2 weeks (July 25\u2014August 5, 2022<\/span><\/p>\n

                  \n
                • Running FSI simulation for elastic wing on cloud server<\/li>\n
                • Postprocess of simulation results<\/li>\n<\/ul>\n

                  6. Fourth week (August 8–12, 2021)<\/span><\/p>\n

                    \n
                  • Conclusion of the internship study<\/li>\n
                  • Technical report (final report)<\/li>\n<\/ul>\n
                    \n

                    References<\/span><\/p>\n

                      \n
                    1. T.D. Economon, F. Palacios, S.R. Copeland, T.W. Lukaczyk, and J.J. Alonso. \u201cSU2: An open-source suite for multiphysics simulation and design\u201d. Aiaa Jour- nal, 54(3):828\u2013846, 2016.<\/li>\n
                    2. G. Dhondt and K. Wittig. \u201cCalculix a free software three-dimensional structural finite element program\u201d. www.calculix.de.<\/li>\n
                    3. H.J. Bungartz, F. Lindner, B. Gatzhammer, M. Mehl, K. Scheufele, A. Shukaev, and B. Uekermann. \u201cpreCICE\u2013a fully parallel library for multi-physics surface coupling\u201d. Computers & Fluids, 141:250\u2013258, 2016.<\/li>\n
                    4. preCICE\u201d. https:\/\/github.com\/precice.<\/li>\n
                    5. O.O. Bendiksen. \u201cReview of unsteady transonic aerodynamics: Theory and applications\u201d. Progress in Aerospace Sciences, 47(2):135\u2013167, 2011.<\/li>\n
                    6. Y. Takahashi, Numerical Simulation of Fluid-Structure Interaction for Thin Flat Delta Wing at Transonic Speed based on Opensource Software, in: 9th edition of the International Conference on Computational Methods for Coupled Problems in Science and Engineering (COUPLED PROBLEMS 2021). URL https:\/\/www.scipedia.com\/public\/Takahashi_2021a<\/li>\n
                    7. Thomas Richter, Fluid-structure Interactions: Models, Analysis and Finite Elements (Lecture Notes in Computational Science and Engineering, 118) (if possible)<\/li>\n
                    8. Attar et al., \u201cAeroelastic prediction of the limit cycle oscillations of a cropped delta wing\u201d, Journal of Fluids and Structures 22 (2006) 45\u201358.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

                      Internship student: Vidyut Balaji Duration: June 6, 2022 \u2013 August 12, 2022 Supervisor: Yusuke Takahashi Traine…<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_locale":"ja","_original_post":"https:\/\/c-mng.cwh.hokudai.ac.jp\/stl.eng\/Root\/?page_id=2993"},"_links":{"self":[{"href":"https:\/\/c-mng.cwh.hokudai.ac.jp\/stl.eng\/Root\/wp-json\/wp\/v2\/pages\/2993"}],"collection":[{"href":"https:\/\/c-mng.cwh.hokudai.ac.jp\/stl.eng\/Root\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/c-mng.cwh.hokudai.ac.jp\/stl.eng\/Root\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/c-mng.cwh.hokudai.ac.jp\/stl.eng\/Root\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/c-mng.cwh.hokudai.ac.jp\/stl.eng\/Root\/wp-json\/wp\/v2\/comments?post=2993"}],"version-history":[{"count":2,"href":"https:\/\/c-mng.cwh.hokudai.ac.jp\/stl.eng\/Root\/wp-json\/wp\/v2\/pages\/2993\/revisions"}],"predecessor-version":[{"id":2996,"href":"https:\/\/c-mng.cwh.hokudai.ac.jp\/stl.eng\/Root\/wp-json\/wp\/v2\/pages\/2993\/revisions\/2996"}],"wp:attachment":[{"href":"https:\/\/c-mng.cwh.hokudai.ac.jp\/stl.eng\/Root\/wp-json\/wp\/v2\/media?parent=2993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}