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후륜 서브프레임 NVH 보강 레일 설계 개선에 대한 연구
이민구(Mingu Lee),강창존(Changjon Kang),고광진(Gwangjin Go),윤석진(Sukjin Yoon),이계호(Gyeho Lee) 한국자동차공학회 2022 한국자동차공학회 학술대회 및 전시회 Vol.2022 No.11
This paper introduces a study on the design improvement of the NVH reinforcement rails of the rear subframe, a vehicle suspension component. The NVH reinforcement rails directly reduce excessive behavior of parts in certain modes in which the NVH problem occurs in the vehicle. The rear subframe is a heavy component and requires an optimal design in terms of the weight and performance of the NVH reinforcement rail to improve NVH performance of the vehicle. In this paper, the performance and weight of the NVH reinforcement rail were optimized, and the effect of the improvement design was verified in terms of its natural frequency.
위상최적화를 이용한 샤시 암브라켓의 설계 개선에 대한 연구
이민구(Mingu Lee),채홍윤(Hongyun Chae),이계호(Gyeho Lee) 한국자동차공학회 2022 한국자동차공학회 부문종합 학술대회 Vol.2022 No.6
This paper introduces a method for improving the design of an arm bracket for the vehicle suspension using topology optimization. Among the suspension parts, the arm bracket is a functional part that directly supports the load from the road surface, and for the stability of the suspension, durability is the most important and requires a robust design for the vulnerable area. In this paper, the topology optimization method was applied to improve the durability of the arm bracket, and the effectiveness of the design improvement was verified through analysis.