Sanghyun Ha

  • Course: Integrated MS-PhD Program
  • Research Topic: GPU-accelerated numerical methods for incompressible and compressible Navier-Stokes equations
  • Contact: hishong at postech.ac.kr
  • Member since March 2015

 

1. Publications

  • Kim, M., Jeong, J., Ha, S. & You, D. “Commutative recursive filters for explicit-filter large-eddy simulation of turbulent flows.” Computers & Fluids, 2021 (Accepted).
  • Hong, S., Yoon, D., Ha, S. & You, D. “A ghost-cell immersed boundary method for unified simulations of flow over finite- and zero-thickness moving bodies at large CFL numbers.” Engineering Applications of Computational Fluid Mechanics, 2021 (Accepted).
  • Jeong, J., Ha, S. & You, D. “An immersed interface method for acoustic wave equations with discontinuous coefficients in complex geometries.” Journal of Computational Physics, vol. 426, 109932, 2021.
  • Ha, S. & You, D. “A GPU-accelerated ADI method for compressible Navier-Stokes equations.” Journal of Computational Fluids Engineering, vol. 25, no. 2, pp. 50-56, 2020.
  • Ha, S., Park, J. & You, D. “A scalable multi-GPU method for semi-implicit fractional-step integration of incompressible Navier-Stokes equations.” arXiv preprint arXiv:1812.01178, 2018.
  • Ha, S., Park, J. & You, D. “A GPU-accelerated semi-implicit fractional-step method for numerical solutions of incompressible Navier-Stokes equations.” Journal of Computational Physics, vol. 352, pp. 246-264, 2018.

 

2. Presentations

  • Ha, S., Park, J. & You, D. “A multi-GPU method for ADI-based fractional-step integration of incompressible Navier-Stokes equations.” The 11th National Congress on Fluids Engineering, August 12-14, 2020, Jeju, Korea.
  • Ha, S., Park, J. & You, D. “A scalable multi-GPU solver for direct numerical simulation of boundary layer flow.” The 71st Annual Meeting of the Division of Fluid Dynamics, American Physical Society, November 18-20, 2018, Atlanta, GA.
  • Ha, S., Park, J. & You, D. “A GPU-accelerated semi-implicit fractional step method for numerical solutions of incompressible Navier-Stokes equations.” The 70th Annual Meeting of the Division of Fluid Dynamics, American Physical Society, November 19-21, 2017, Denver, CO.
  • Ha, S. & You, D. “A GPU-accelerated semi-implicit fractional-step method for numerical solutions of incompressible Navier-Stokes equations.” The Korean Society of Mechanical Engineers Annual Conference, December 14-16, 2016, Jeongseon, Korea.
  • Ha, S. & You, D. “A GPU-accelerated semi-implicit ADI method for incompressible and compressible Navier-Stokes equations.” The 68th Annual Meeting of the Division of Fluid Dynamics, American Physical Society, November 22-24, 2015, Boston, MA.

 

3. Awards

  • 2017년도 대학원생 우수논문상, 장려상

 

4. Teaching

  • Part-time lecturer
    • Software Practice for Mechanical Engineers (Graduate), 2016-2020
  • Teaching assistant
    • Numerical Methods for Mechanical Engineering (Graduate), Fall 2015
    • Sensors and Measurements (Undergraduate), Spring 2015