Journal of Mechanical Science and Technology

, Volume 25, Issue 12, pp 3115–3121 | Cite as

On a component mode synthesis on multi-level and its application to dynamics analysis of vehicle system supported with spring-stiffness damper system

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Abstract

The component mode synthesis (CMS) method on multi-level, called as recursive component mode synthesis (RCMS) method, is implemented for the free vibration analysis of a vehicle system supported on damper-controlled spring-stiffness suspension. The nonproportional damping is considered to describe the suspension system. The focus of the RCMS method is the out-of-core concept that uses disk space rather than memory when computing large scale vehicle FE models. After the eigensolutions are obtained, the mode superposition method is used to compute the dynamic response in the frequency domain. The proposed method can deal with a damped structural system with a general damping system. The performance and accuracy of the proposed method compared to the Lanczos method are demonstrated through an example FE model.

Keywords

NVH Component mode method Non-proportional damping Frequency response Out-of-core concept 
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Copyright information

© The Korean Society of Mechanical Engineers and Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  1. 1.School of Mechanical EngineeringKonkuk UniversitySeoulKorea
  2. 2.Department of Electrical EngineeringKonkuk UniversitySeoulKorea

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