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고속 충돌시의 Bumper system correlation 방법에 관한 연구
구선웅(Seonwoong Koo),김규학(Kyuhak Kim),이정현(Junghyun Lee),김용석(Yongsuk Kim) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
Bumper system performance and its CAE correlation level are very important in early vehicle development stage. Especially in a high speed crash, the correlation method development is strongly required for the stable architecture development with CAE tool . And bumper system material is also critical for cost savings and mass reduction. Bumper system with high strength steel and CO2 weld has the strength of big cost saving with relatively low mass increase compared with Aluminum bumper system. This study focuses on the correlation method development with CO2 welded high strength steel bumper in early vehicle development stage with trolley CAE and the test.