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박신희(Shinhee Park),한동철(Donghul Han) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1999 No.11_2
To reduce computing time and model efforts, The hybrid modeling method of the vehicle component has been developed by using beam element and nonlinear spring element to which axial and bending collapses are applied. A new vehicle is designed using the hybrid modeling scheme along the design process. Crashworthiness analyses of the hybrid vehicle model is executed and the results are compared with those of full car analysis using shell elements. Occupant simulations on impact condition have also been performed on the shell model as well as the hybrid vehicle model. Relatively good agreement is achieved between these analyses, while the computing time is significantly reduced for the proposed method. Finally, the optimization of occupant behavior using genetic algorithms is performed.