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Front End Module의 5마일 범퍼 충돌해석에 관한 연구
박도현(Dohyeun Park),이영호(Youngho Lee),박순조(Soonjo Park) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
As one of the cores of change of automobile industry, FEM(Front End Module) is rising on the standard of newly developed cars. FEM Carrier, front structure should be designed to endure impact energy of the car for the safe of the functional parts in order to meet the crash regulation and product requirements. Under low speed impact, crack frequently initiates at plastic part of Hybrid type Carrier. Tom Carrier means high repair cost in addition to the loss of assembling function of components such as Head Lamp, Radiator, condenser and so on. On this paper. deformation behavior of FEM on the crash was analyzed using commercial crash software pam-crash. The effect of design variables of Carrier on the strength has been investigated. The design changes of Stay and B/Beam were considered too. The results of simulation were verified by test. The most dominating factor of Carrier damage was the lateral displacement of B/Beam. Carrier and Stay design modification themselves found to be insufficient for the prevention of Carrier damage. Instead, the isolation of displacement between carrier and B/Beam has been found to be effective on the prevention of Carrier damage.
김수상(Soosang Park),박도현(Dohyeun Park),박순조(Soonjo Park) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
In this paper, a passenger air bag(PAB) folding method using finite element analysis was suggested. As PAB is<br/> more complex in shape than other airbags, generally it takes much time and efforts than others and requires highly<br/> skilled experience to get folded finite element model. Fully folded PAB finite element model was achieved by<br/> performing the continuous series of simulations. So, Anyone without skilled experience in air bag folding process<br/> can get folded PAB easily by following the process. It can save time in PAB folding process and decrease errors in<br/> PAB deployment simulation, and is expected to contribute to the development of advanced air bag which has to<br/> consider out of position (OOP) situation.