Post Doc Research Fellow

Lee - *

GIL JUN LEE

Post Doc Research Fellow

Department of Mechanical and Materials Engineering

College of Engineering and Applied Science

University of Cincinnati

548D Rhodes Hall, 2600 Clifton Ave., Cincinnati, OH 45221 Phone: 513-***-****

Email: *****@****.**.***, *******.***@*****.***

SPECIALTY AREAS

- Structural dynamics and vibration

- Buzz, squeak and rattle (BSR) noises and automotive NVH engineering

- Nonlinear dynamics

- Applied mechanics

- Rotordynamics

- Various noise and vibration tests

- Acoustic and psychoacoustic test and analysis

- Multiphysics CAE analysis

- Oxygen delivery method for patients with respiratory disease EDUCATION

PhD University of Cincinnati, Cincinnati, OH, USA Apr 2017 Mechanical Engineering

Dissertation: “Design and Analysis of a Novel Squeak Test Apparatus Developed for Objective Rating of Squeak Propensity and Its Application” Advisor: Jay Kim, Ph.D.

CGPA: 3.96/4.0

MS Sogang University, Seoul, Republic of Korea Feb 2013 Mechanical Engineering

Thesis: “Oxygen Delivery Algorithm Synchronized

with Human Breathing Patterns for Enhanced Comfort” Advisor: Tae Soo Lee, Ph.D.

CGPA: 4.24/4.3

BS Sogang University, Seoul, Republic of Korea Feb 2011 Mechanical Engineering

Graduation with Summa Cum Laude

Thesis: “ Design of Small-Size Air Compressor Using Cross-Slider Mechanism” Advisor: Tae Soo Lee, Ph.D.

CGPA: 4.16/4.3

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HONORS AND AWARDS

Leo Beranek Student Medal for Excellence in Noise Control Studies 2017

- INCE-USA, NOISE-CON 2017 Conference, Grand Rapids, MI, USA Best Student Paper Award 2016

- INCE-USA, NOISE-CON 2016 Conference, Providence, RI, USA Hallberg Foundation Award 2016

- INCE-USA, NOISE-CON 2016 Conference, Providence, RI, USA Young Professional Grant 2016

- INCE, INTER-NOISE 2016 Conference, Hamburg, Germany Top Graduation Award 2013

- Honors in the College of Engineering, Sogang University Top Graduation Award 2011

- Honors in the College of Engineering, Sogang University RESEARCH EXPERIENCE

Post Doc Research Fellow May 2017 – Present

Applied Acoustics and Mechanics Lab and UC-Siemens Simulation Technology Center at University of Cincinnati, Cincinnati, OH, USA

• Squeak and Rattle Research

• Investigation of Possible Causes of Squeak Noise in the Hand-Grab Bar Assembly of a Vehicle

• Squeeze Film Damper and Inter-Shaft Damper Research

• Development of Engineering Curriculum with Integration of Simulations Research Assistant Aug 2013 – Apr 2017

Applied Acoustics and Mechanics Lab at University of Cincinnati, Cincinnati, OH, USA

• Squeak and Rattle Research

• Squeeze Film Damper Project

Research Assistant Feb 2011 – Jul 2013

Respiratory Mechanics & Device Lab at Sogang University, Seoul, Republic of Korea

• Development of a miniature air compressor for oil-free operation

• Development of a new oxygen delivery method for patients with respiratory diseases Undergraduate Research Assistant Feb 2009 – Feb 2011 Respiratory Mechanics & Device Lab at Sogang University, Seoul, Republic of Korea

• Development of a miniature air compressor for oil-free operation Lee - 3

TEACHING EXPERIENCE

Teaching Assistant

Department of Mechanical and Materials Engineering, University of Cincinnati, Cincinnati, OH, USA

- Acoustics Sep 2017 – Dec 2017

- Rotordynamics Sep 2015 – Dec 2015

- Machine Design Jan 2014 – Apr 2014

Department of Mechanical Engineering, Sogang University, Seoul, Republic of Korea

- Mechanical Component Design Sep 2011 – Dec 2011, Sep 2012 – Dec 2012

- Product Design and Analysis I: Reliability Mar 2012 – Jun 2012

- Solid Mechanics Mar 2011 – Jun 2011

PUBLICATIONS

Journal Publications

- Lee, G.J. and Kim, J., “Investigation of the Stability of a Squeak Test Apparatus Based on an Analytical and Finite Element Models,” Journal of Vibration and Acoustics (ASME Trans.), vol. 140, no. 3, pp. 031011-1-12, 2018.

- Lee, G.J. and Kim, J., “Design Parameter Study of a New Test Apparatus Developed for Quantitative Rating of Squeak Propensity of Materials,” Journal of Vibration and Acoustics (ASME Trans.), vol. 139, no. 6, pp. 061006-1-12, 2017.

- Lee, G.J., Kim, J. and Steen, T., “Application of Computational Fluid Dynamics Simulation to Squeeze Film Damper Analysis,” Journal of Engineering for Gas Turbines and Power (ASME Trans.), vol. 139, no. 10, pp. 102501-1-11, 2017.

- Lee, G.J., Lee, S.W., Oh, Y.M., Lee, J.S.et al., “A Pilot Study Comparing 2 Oxygen Delivery Methods for Patients’ Comfort and Administration of Oxygen,” Respiratory Care, vol. 59, no. 8, pp. 1191-1198, 2014.

- Lee, G.J., Kim, J and Lee, T.S., “The Rolling Scotch Yoke Mechanism Applied to a Small Air Compressor for Oil-Free Operations,” Int. J. Prec. Eng. and Manuf., vol. 15, no. 1, pp. 93-99, 2014.

- Lee, G.J., Cha, S.K., Oh, S.K., Shin, C.S and Lee, T.S., “Synchronized Oxygen Delivery and Its Optimization Method: A Bench Study,” Int. J. Prec. Eng. and Manuf., vol. 14, no. 4, pp. 663-670, 2013.

- Lee, G.J., Oh, Y.M., Oh, S.K., Shin, C.S. and Lee, T.S., “Synchronization of Oxygen Lee - 4

Delivery with Breathing Pattern for Enhanced Comfort: A Bench Study,” Respiratory Care, vol. 58, no. 3, pp. 498-506, 2013.

Conference Proceedings

- Lee, G.J. and Kim, J., “Study of Dynamic Characteristics of a Test Apparatus Developed to Build Squeak Propensity Database,” Proceedings of NOISE-CON 2017, Jun. 12-14, 2017, Grand Rapids, MI, USA.

- Lee, G.J. and Kim, J. “Development of a Test Apparatus That Consistently Generates Squeak to Rate Squeak Propensity of a Pair of Materials,” Proceedings of INTER-NOISE 2016, Aug. 21-24, 2016, Hamburg, Germany.

- Lee, G.J. and Kim, J. “Analysis of a New Squeak Test Apparatus Developed for Objective Rating of Squeak Propensity and Building a Database to Minimize Squeak Problems in Automotive Engineering,” Proceedings of INTER-NOISE 2016, Aug. 21-24, 2016, Hamburg, Germany.

- Lee, G.J. and Kim, J., “Design of a Squeak Test Apparatus Based on a Modified Sprag- Slip Mechanism,” Proceedings of NOISE-CON 2016, Jun. 13-15, 2016, Providence, RI, USA.

- Lee, G.J., Kim, J. and Kim, K., “An Analytical Study of the Mode-Coupling Effect on the Instability of Friction Induced Vibrations to Guide Design of a Squeak Test Apparatus,” Proceedings of INTER-NOISE 2015, Aug 9-12, 2015, San Francisco, CA, USA.

- Kim, K., Lee, S., Hong, S., Kim, J., Lee, G.J. et al., “A Case Study: Application of Analytical and Numerical Techniques of Squeak and Rattle Analysis of a Door Assembly,” Proceedings of SAE 2015 Noise and Vibration Conference and Exhibition, Jun. 22-25, 2015, Grand Rapids, MI, USA.

- Lee, G.J., Kim, J. and Kim, K., “Development of an Algorithm to Automatically Detect and Distinguish Squeak and Rattle Noises,” Proceedings of SAE 2015 Noise and Vibration Conference and Exhibition, Jun. 22-25, 2015, Grand Rapids, MI, USA.

- Lee, G.J., Kim, J., Chandrika, U.K. and Kim, Y., “Computerized Detection and Rating of Squeak and Rattle Events in Automobiles,” Proceedings of NOISE-CON 2014, Sep. 8-10, 2014, Fort Lauderdale, FL, USA.

- Lee, G.J., Chi, S.H., Kim, J and Lee, T.S., “Miniature Air Compressor Design Based on Cross-Slider Mechanism,” Proceedings of 4th International Conference on Advanced Design and Manufacturing, Sep. 21-23, 2011, Kunming, China. Lee - 5

Others

- Lee, G.J., Kim, J. and Kim, K., “An Algorithm to Automatically Detect and Distinguish Squeaks and Rattles,” Sound & Vibration, September: Automotive NVH, pp. 8-10, 2015. PATENTS

- Lee, T.S., Choi, Y.S., Oh, S.K. and Lee, G.J., “Device and Method for Supplying Oxygen,” Republic of Korea Patent, No. 10-1317927.

- Lee, T.S., Choi, Y.S., Ryu, S.H., Lee, G.J. and Kim, Y.D. “Hybrid Type Air-Compressor Including Combination of Eccentric Shaft and Cross-Slider Mechanism,” United States Patent, No. US 8,904,918 B2.

- Lee, T.S., Choi, Y.S., Oh, S.K. and Lee, G.J., “Apparatus and Method for Oxygen Delivery,” United States Patent, No. US 2014/0352697 A1. MEMBERSHIP

- Society of Automotive Engineering (SAE) Feb 2015 – Feb 2016

- Institute of Noise Control Engineering (INCE) Aug 2014 – Present LANGUAGES

- Korean: Native language

- English: Professional working proficiency

COMPUTER SKILLS

- Programming: C/C++, MATLAB/SIMULINK

- Word and Data Processing: MS Word, Excel, PowerPoint, Access, Adobe Photoshop

- FEM and CFD Packages: Abaqus, Ansys, NX Nastran, Simcenter 3D, LMS Virtual.Lab, Fluent, Star-CCM+

- Data Acquisition and Signal Processing: LabView, X-Modal

- CAD Tools: SolidWorks, Pro-E, AutoCAD, Inventor, NX OTHER

- Military Service: Republic of Korea, Army Jul 2006 – Jul 2008

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