Educations

• Ph.D. in school of mechanical engineering, UNIST (Mar. 2018 - Feb. 2024)
  Thesis title: Resonance-based extremely compact elastic transmissive metasurface and its applications
  *Supervisor: prof. Joo-Hwan Oh

• B.S. in school of mechanical engineering, UNIST (Mar. 2012 - Aug. 2017)
  *Undergraduate fellowship: UNISTAR scholarship (admission with highest distinction)

Research experiences

• Visiting Researcher in Structured Materials and Dynamics Lab, University of Missouri (Nov. 2023 - Jan. 2024)
  *Supervisor: prof. Guoliang Huang

• Postdoctoral Researcher in Metastructure Lab, Seoul National University (Apr. 2024 - )
  *Supervisor: Prof. Joo-Hwan Oh

Research interests

• Elastic metasurfaces
  Wave tailoring of multi-modes elastic wave (longitudinal and shear waves)
  Total elastic mode conversion with broad incident angles
  Impedance-matched wave tailoring through different mediums

• Flexural metamaterials
  Theoretical analysis on resonance-based flexural metamaterial

• Active metamaterials/metasurfaces
  Realization of the arbitrary longitudinal Willis media via active sensing-actuating metalayer 

Skills and techniques

• Numerical analysis for vibrations & wave simulations with commercial tools
  *Skilled tools: COMSOL, MATLAB simulink and ABAQUS

• FEM using MATLAB

• Particle Swarm Optimization

• Ultrasonic elastic wave experiments

• Skilled in CATIA V5, Solidworks, Adobe Photoshop, Illustrator, Premiere pro and MS office

Journal papers 

• S. W. Lee, S. I. Kim, H. M. Seung, J and J. H. Oh, Mode-selective elastic metasurfaces, Physical Review Applied, 19 014024 [Link]

• S. W. Lee, Y.J. Shin, H.W. Park, H.M. Seung and J.H. Oh, Full-wave tailoring between different elastic media: a double-unit elastic metasurface, Physical Review Applied, 16 064013 (2021) [Link]

• S. W. Lee, H.M. Seung, W. Choi, M. Kim and J.H. Oh, Broad-angle refractive transmodal elastic metasurface, Applied Physics Letters, 117 213502 (2020) [Link]

• S. W. Lee and J.H. Oh, Single layer elastic metasurface with double negativity for anomalous refraction, Journal of Physics D: Applied Physics, 53 265301 (2020) [Link]

• S. W. Lee and J.H. Oh, Abnormal stop band behavior induced by rotational resonance in flexural metamaterial, Scientific reports, 8 1-13 (2018) [Link]

• S. V. Jang, S. W. Lee and J. H. Oh, Asymmetric elastic metasurface for wave manipulation between different media, Physical Review Applied, 19 024036 (2023) [Link]

International Conferences

• S. W. Lee, S. I. Kim, H. M. Seung and J. H. Oh, Elastic Metasurface for Multi-Modes, Phononics 2023 (2023)

• S. W. Lee, Y. J. Shin, H. W. Park, H. M. Seung and J. H. Oh, Double-Unit Elastic Metasurface: Wave Manipulation between Different Elastic Media, Metamaterials'2022 (2022)

• S. W. Lee, H. M. Seung, W. J. Choi, M. Kim and J. H. Oh, Refraction-type transmodal metasurface for broad-angle elastic mode conversion, META 2022 (2022)

• S. W. Lee and J. H. Oh, Single unit elastic metasurface for anomalous refraction, AMSM2019 (2019) 

• S. W. Lee and J. H. Oh, Abnormal resonance gap by rotational resonance in flexural elastic metamaterials, Phononics 2019 (2019)

Awards

• M. S. Kim, C. I. Park, W. R. Lee, J. S. Lee, H. J. Kim and S. W. Lee, Gold prize (KSME-SEMES 2019), 계측 및 진단용 탄성초음파의 다중 모드제어 기술을 위한 고성능 메타표면 개발, (2019) [Link] 

• Y. J. Shin, H. W. Park, N. J. Kim, S. W. Lee, J. Y. Kim and M. H. Bae, Encouragement prize (KSME-SEMES 2022),  6G통신의 초고주파 대역 전파 센싱을 위한 탄성 메타물질 필터 개발, (2022)

• Best Thesis Award of 2024 KSME-CAE division, (2024)

Others

• Professional boxer license (Korea Boxing Federation) KBF-2015-PT005-14 (W/D/L 0/0/1)