CEO

Careers

• 1983: B.S. in Mechanical Engineering, Hanyang University ․

• 1985 M.S. in Mechanical Engineering, Stanford University (USA)

• 1988 Ph.D. in Mechanical Engineering, Stanford University (USA)

• 1989-1991 Stanford University Post-Doc.

• 1991-present Professor of Mechanical Engineering, Hanyang University

• 2001-2002 Visiting Professor, Stanford University 

• 2008-present Visiting Professor, Stanford University 

Subject for Lecturing 

• (Undergraduate) Solid mechanics, Finite Element Method (FEM)

• (Graduate) Mechanics of Composite Materials, Advance Structural Analysis

Research Interests 

• CAE (ANSYS, Abaqus, Nastran, etc) simulation based Innovative Design 

• Structural behavior of Composite Materials (tests and simulations) 

• Material selection and Manufacturing Process for Composites 

Equipment 

•  Filament winding machine 1 set -

• Autoclave 2 sets

• Biaxial (tension/torsion) fatigue tester 8 sets 

• Composite infusion processor 1 set 

• Heater for Composite curing 2 sets 

• Universal Test Machine 1 set 

• DMA machine 1 set 

• Impact drop tester 1 set 

 Laboratory 

• Researches on composite materials for over 20 years 

•  Collaboration with various industrial partners 

• Multiscale-based composite analysis and design 

• Fatigue life prediction of composite materials 

• Development of manufacturing process of composites

• Light-weight automobiles, Innovative blade design, Design of aerospace composite structures 

Main Research Papers 

• Hayat K, Ha SK. Load mitigation of wind turbine blade by aeroelastic tailoring via unbalanced laminates composites. Composite Structures 2015; 128: 122-133. 

• Xu L, Jin CZ, Ha SK. Ultimate strength prediction of braided textile composites using a multi-scale approach. Journal of Composite Materials 2015; 49(4): 477-494. -

• Kim SJ, Hayat K, Nasir SU, Ha SK. Design and fabrication of hybrid composite hubs for a multi-rim flywheel energy storage system. Composite Structures 2014; 107: 19-29. 

• Ha SK, Hayat K, Xu L. Effect of shallow-angled skins on the structural performance of the large-scale wind turbine blade. Renewable Energy 2014; 71: 100-112. 

• Huang Y, Jin CZ, Ha SK. Strength prediction of triaxially loaded composites using a progressive damage model based on micromechanics of failure. Journal of Composite Materials 2013;47( 6-7):777-792. 

• Ha SK, Cimini, CA Jr. Strengths & lives of composites and Stephen Tsai. Journal of Composite Materials 2010;44(20):2345-2346. 

• Ha SK, Jin KK, Huang Y. Micro-mechanics of failure (MMF) for continuous fiber reinforced composites. Journal of Composite Materials 2008;42(18):1873-1895. 

Main Patent 

• Daniel H. Kim, Thomas A.Afzal, Michael L. Reo, Uriel Hiram Chee, In Haeng Cho, Kunwoo Lee, Curtis W. Frank, Sung Kyu Ha. Prosthetic Intervertebral Disc: America, US 7,905,921 B2. 2011-03-15. 

• Daniel H. Kim, Thomas A.Afzal, Michael L. Reo, Uriel Hiram Chee, In Haeng Cho, Kunwoo Lee, Curtis W. Frank, Sung Kyu Ha. Method and a Kit for Inserting Prosthetic Intervertebral Discs into a Spine: America, US 8,038,715 B2. 2011-10-18. 

• Daniel H. Kim, Kunwoo Lee, Curtis W. Frank, Sung Kyu Ha. Prosthetic Intervertebral Disc and Methods for Using the Same: America, US 2005/0027364 A1. 2005-02-03. 

• Sung Kyu Ha. Composites [carbon fiber] for uranium enrichment using the rotor (rotating speed composite rotor and manufacturing method): Korea, 2013. 

• Sung Kyu Ha. Method for the manufacture of flywheel hub (dome type, using the same method and the composite winding flywheel energy storage): Korea, 10-1033108. 2011-04-28. 

• Sung Kyu Ha, H.T. Kim, J.H. Kim, H.H. Han, S.Z. Kim, T.H. Seong, Y.H. Han. The hub of the flywheel for energy storage devices (energy storage flywheel rotor dovetail for split-type hub): Korea, 10-0965481. 2010-06-15. 

Research / Project

• Hyundai Motor: Development of composite materials for light-weight automobiles

 - Development of composite manufacturing process

 - Design optimization of car bodies 

• BASF: Fatigue life prediction of composite wind turbine blade - Strength and fatigue behaviour of epoxy resin

 - Development of composite fatigue life prediction methodology 

- Tool development for analysis of composite wind blade

• Plastic Omnium: Innovative composites process for automibile 

- Theory development for Sheet Molding Compound (SMC) 

- Development of fatigue life prediction of SMC 

- Tool development for SMC analysis 

• Technip: Development of composite pipes for oil and gas application 

- Design optimization of composite pipes 

- ool development for pipe analysis

• Chomarat: Innovative design of Non-Crimp Fabrics (NCF)

 - Development of various NCFs considering various fiber orientations, stitching patterns, carbon and glass fibers

- Evaluation of mechanical behaviors of NCF composites

• NTU: Durability of braided composites

- Prediction of stiffness and strength of braided composites

- Experiments on braided composites

- Analysis of structures of braided composites