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Curriculum vitae of Woongji Kim — Ph.D. in Mechanical Engineering from POSTECH, specializing in acoustics, vibration, and transducer engineering.
Basics
| Name | Woongji Kim |
| Label | Acoustic Engineer, Ph.D. |
| wj.kim@postech.ac.kr | |
| Url | https://kimwoongji.github.io/ |
Interests
| Research Interests | |||||||||
| Electroacoustic Transducer Design | |||||||||
| Acoustic Metamaterials | |||||||||
| Multiphysics Modeling & Simulation | |||||||||
| Mechanical/Acoustical Component Development | |||||||||
| Experimental Vibration & Acoustic Measurement | |||||||||
| Nonlinear Acoustics | |||||||||
| Parametric Array Loudspeaker | |||||||||
| XR Devices | |||||||||
Skills
| Software & Tools | |
| MATLAB & Simulink; Simscape (HPC workflow automation via Slurm, batch processing) | |
| COMSOL Multiphysics (Acoustics, Structural Mechanics, AC/DC; LiveLink integration) | |
| SolidWorks, AutoCAD | |
| SPICE (LTspice), PCB layout (EasyEDA, KiCad) |
| Experiments & Instrumentation | |
| Impedance analyzer, Spectrum analyzer, Lock-in amplifier, Motion control system, Scanning probe microscopy (AFM, DFM, KFM) | |
| Waveform generator, Oscilloscope, Power amplifier, NI hardware | |
| Measurement microphone, Accelerometer, Force sensor, Impedance head, Vibration exciter, Impact hammer | |
| Lab automation: MATLAB, LabVIEW via SCPI/IVI and vendor-specific command sets over GPIB/Serial; instrument orchestration for unattended acquisition, removing operator variability between runs |
Education
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2019.09 - 2026.02 Pohang, Republic of Korea
Ph.D.
Pohang University of Science and Technology (POSTECH)
Mechanical Engineering
- Advisor: Prof. Wonkyu Moon / Prof. Junsuk Rho
- Lab: Vibration and Acoustic Transducers Laboratory / Nanoscale Photonics & Integrated Manufacturing Laboratory
- Dissertation: Stepped Plate and Metasurface-Integrated Parametric Array Loudspeakers: Design, Analysis, and Experimental Validation
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2010.03 - 2012.08 Pohang, Republic of Korea
M.Sc.
Pohang University of Science and Technology (POSTECH)
Mechanical Engineering
- Advisor: Prof. Wonkyu Moon
- Lab: Vibration and Acoustic Transducers Laboratory
- Thesis: Development of improved mechanical adopting structures for implementing CLECDiS (Contact-type Linear Encoder-like Capacitive Displacement Sensor) into positioning systems
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2002.03 - 2010.02 Yongin, Republic of Korea
Work
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2026.05 - Present Ulsan, Republic of Korea
InnoCORE Postdoctoral Fellow in Mechanical Engineering
Ulsan National Institute of Science and Technology (UNIST)
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2026.03 - Present Pohang, Republic of Korea
Postdoctoral Fellow in the Center for Flat Optics and Metaphotonics
Pohang University of Science and Technology (POSTECH)
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2012.08 - 2016.09 Seoul, Republic of Korea
Researcher, Central R&D Institute
Hanwha Ocean (formerly Daewoo Shipbuilding & Marine Engineering)
- Drilling System R&D Group: Investigated market needs and technical barriers for next-generation drillships through international collaboration. Proposed and validated novel drilling system layouts, and developed digital mockups to demonstrate arrangement efficiency and energy performance.
- Robotics R&D Group: Developed a portable articulated welding robot from prototype to pre-commercial deployment on shipyard blocks. Refactored and debugged the real-time robot controller (C, RTOS/Windows). Designed and integrated mechatronic accessories; implemented device interfaces for field deployment.
Publications
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2026.07.31 All-wave computational ultrasonic fingerprint identification with metasurface-driven loop-diffractive neural network
Nat. Sens.
Seokho Lee†, Beomseok Oh†, Woongji Kim, Junsu Lee, Wonkyu Moon, and Junsuk Rho*. 1, 728–739 (2026).
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2026.05.22 Dual-domain metamaterials co-integrated with a compact ultrasonic transducer for highly directional audio generation
Nat. Commun.
Woongji Kim†, Beomseok Oh†, Wonkyu Moon*, and Junsuk Rho*. 17, 6750 (2026).
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2026.02.05 Miniature Nanomesh Mechano-Acoustic Sensor with Wide Linear Dynamic Range, Broad Bandwidth, and Flat Frequency Response
Adv. Funct. Mater.
Jeng-Hun Lee†, Kang Hyuk Cho†, Seojin Yun, Siyoung Lee, Woongji Kim, Yunsik Kim, Wonkyu Moon, Yoonyoung Chung, and Kilwon Cho*. e13535 (2026).
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2026.01.15 Hyperpacked piezoelectric-powered capacitive sensor array for high-fidelity vibration detection
Nat. Sens.
Kang Hyuk Cho†, Jeng-Hun Lee†, Seojin Yun, Siyoung Lee, Sein Chung, Woongji Kim, Yunsik Kim, Wonkyu Moon, Yoonyoung Chung, and Kilwon Cho*. 1, 73–84 (2026).
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2025.09.25 Design, analysis, and experimental validation of a stepped plate parametric array loudspeaker
J. Acoust. Soc. Am.
Woongji Kim, Beomseok Oh, Chayeong Kim, and Wonkyu Moon*. 158(3), 2561–2576 (2025).
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2025.07.02 An accurate measurement of parametric array using a spurious sound filter topologically equivalent to a half-wavelength resonator
Appl. Acoust.
Woongji Kim†, Beomseok Oh†, Junsuk Rho*, and Wonkyu Moon*. 240, 110910 (2025).
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2024.06.20 Interactive Deformable Colored Sound Display Achieved with Electrostrictive Fluoropolymer and Halide Perovskite
Small
Doowon Park†, Woongji Kim†, Chaeyong Park, Jun Choi, Arup Ghorai, Gilwoon Lee, Seungmoon Choi, Wonkyu Moon*, and Unyong Jeong*. 20(43), 2402281 (2024).
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2023.10.01 A high-fidelity MEMS microphone with a polymer membrane that can detect infra-sounds
J. Acoust. Soc. Am. (Conference)
Junsoo Kim, Woongji Kim, Siyoung Lee, Kilwon Cho, and Wonkyu Moon*. 154, A227 (2023).
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2022.04.12 A High-Fidelity Skin-Attachable Acoustic Sensor for Realizing Auditory Electronic Skin
Adv. Mater.
Siyoung Lee†, Junsoo Kim†, Hajung Roh, Woongji Kim, Sein Chung, Wonkyu Moon*, and Kilwon Cho*. 34(21), 2109545 (2022).
Volunteer
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2025 - Present