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육지용(Yook, Ji-Yong),차용길(Cha, Yong-Kil),임정수(Lim, Jung-Su),김광일(Kim, Kwang-Il),강성호(Kang, Sung-Ho) 한국소음진동공학회 2009 한국소음진동공학회 논문집 Vol.19 No.1
This paper presents dynamic analysis of HVAC(heating ventilation & air conditioning) heater case which consists of heater and evaporator unit for passenger car. To analyze the dynamic characteristics of HVAC heater case, finite element model which consists of shell elements is constructed for modal analysis and experimental modal analysis has been conducted. Finite element analysis results are compared with experimental results to evaluate of validity of finite element model. After identifying mode shape and natural frequency of HVAC heater case, local stiffness of HVAC case is evaluated through point mobility using finite element analysis and experiment.