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Multi-materials CFRP/foam 적용 Side Body Structure 측면 충돌 해석
서홍재(Hong-Jae Seo),신창열(Chang-yeol Shin),권순덕(Sun-deok Kwon),박연호(Yeon-ho Park) 한국자동차공학회 2019 한국자동차공학회 부문종합 학술대회 Vol.2019 No.5
This study is developed for CFRP / foam application side body structure. The key technology is to develop lightweight and stable parts using side body structure CFRP integral body with reinforcing materials such as SMC, BMC, Foam etc. The purpose of CFRP / Foam reinforcement system is to improve cost competitiveness, reduce the weight by 35% and reduce the number of parts by 65%, thus simplifying the process.
강성종(Sung-Jong Kang),서홍재(Hong-Jae Seo),김병주(Byung-Joo Kim) 한국기계가공학회 2011 한국기계가공학회지 Vol.10 No.4
Fuel tank sloshing noise of vehicle is caused by flow impact on the tank wall during sudden braking, and the sloshing vibration of tank wall is a coupled phenomenon of the fuel inside tank and tank wall structure. Therefore, Fluid-Structure Interface(FSI) analysis technology should be adopted to predict accurately the sloshing vibration. In this study, FSI approach was employed to analyze sloshing phenomenon for a simple tank model with velocity change of the actual vehicle test. First, the simulated results for rigid tank model were compared with those for deformable tank model. Next, influence of baffle location and shape of baffle holes on the acceleration magnitude and the maximum stress of tank wall was investigated. In addition, sloshing analysis for tank with another baffle type was carried out.