저희 실험실에서는 컴퓨터를 기반으로 한 시스템동역학 해석을 주로 연구하고 있습니다. 다물체동역학 해석 기법을 근간으로 하여 승용차량, 철도차량, 건설장비, 고압회로 차단기 등의 동적 거동 해석을 주로 수행하였으며, 최근 주목받고 있는 풍력발전 관련한 과제도 수행하고 있습니다. 또한, 빠른 계산을 위한 GPU 컴퓨팅에도 많은 관심을 가지고 연구하고 있습니다.

 

 The computer modeling and analysis of mechanical systems are carried out based on the multibody dynamics. The performance of system is evaluated and improvement method is suggested in the initial design stage. The main research areas are as followings: vehicle dynamics, dynamic modeling and analysis for the nonlinear components such as bushing, kinematic design and performance evaluation of mechanism, dynamic simulation of high voltage circuit breaker, large deformation analysis, and fluid-dynamics co-simulation. The large deformation analysis program was developed and used in many applications.

J.H. Sohn, S.C. Park, J.W. Lee, W.S. Yoo
Study on side collision reconstruction using database based on deformed shape information
Journal of Mechanical Science and Technology, 2009 , ,Vol. 23No. 1 ,pp. 1023 ~ 1026(SCIE, 0:0.0

J.H. Sohn, S.K. Lee, W.S. Yoo
Hybrid Neural Network Bushing Model For Vehicle Dynamics Simulation
Journal of Mechanical Science and Technology, 2008-12 , ,Vol. 22No. 12 ,pp. 2365 ~ 2374(SCIE, 0:0.0

J.H. Sohn, S.K. Lee, S.O. Kim, W.S. Yoo
Comparison of Spring Model for Dynamic Analysis of High Voltage Circuit Breaker with Spring Operating Mechanism
Mechanics Based on Structures and Machines, 2008 , ,Vol. 36No. 2 ,pp. 107 ~ 128(SCIE, 0:0.0

J.K. Ok, W.S. Yoo, J.H. Sohn
NEW NONLINEAR BUSHING MODEL FOR GENERAL EXCITATIONS USING BOUC-WEN HYSTERETIC MODEL
IJAT, 2008-04 , ,Vol. 9No. 2 ,pp. 183 ~ 190(SCIE, 0:0.0

W.S. Yoo, S.O. Kim, J.H. Sohn
Dynamic analysis and design of A high voltage circuit breaker with spring operating mechanism"
Journal of Mechanical Science and Technology, 2007 , ,Vol. 21No. 12 ,pp. 2101 ~ 2107(SCIE, 0:0.0