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http://dx.doi.org/10.5050/KSNVN.2006.16.8.814

Dynamic Model Establishment of a Nonlinear Structure with Sliding Mode Condition Using the Substructure Synthesis Method  

Kim, Dae-Kwan (한국과학기술원 대학원 항공우주공학과)
Lee, Min-Su (한국과학기술원 대학원 항공우주공학과)
Ko, Tae-Hwan (한국철도기술연구원 기존철도기술개발사업단)
Han, Jae-Hung (한국과학기술원 항공우주공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.16, no.8, 2006 , pp. 814-821 More about this Journal
Abstract
A structural coupling method is developed for the dynamic analysis of a nonlinear structure with concentrated nonlinear hinge joints or sliding lines. The component mode synthesis method is extended to couple substructures and the nonlinear models. In order to verify the improved coupling method, a numerical plate model consisting of two substructures and torsional springs, is synthesized by using the proposed method and its modal parameters are compare with analysis data. Then the coupling method is applied to a three-substructure-model with the nonlinearity of sliding lines between the substructures. The coupled structural model is verified from its dynamic analysis. The analysis results show that the improved coupling method is adequate for the structural nonlinear analyses with the nonlinear hinge and sliding mode condition.
Keywords
Substructure Synthesis; Natural Mode; Structural Nonlinearity; Sliding Mode; Nonlinear Vibration;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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