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김헌희(Heonhee Kim),윤성호(Seongho Yoon) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The engine mount bracket should be designed to attenuate the vibration transfer from engine to body. In addition, it should have a good fatigue property to endure enough the load transmitted from road while a car is running. In this paper we perform the vibration analysis using the finite element model of the engine mount bracket to identify the dynamically weak areas in high frequencies. This paper also presents the fatigue analysis results, describing the positions at which the bracket reveals low-cycle fatigue life in low frequencies. The areas showing the unsatisfied characteristics in durability in low and high frequencies have been redesigned by topology optimization.