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Study on Component System State-space Model Synthesis Method

Author: ChengJun
Tutor: BaoHong；SuYuZuo
School: Xi'an University of Electronic Science and Technology
Course: Mechanical and Electronic Engineering
Keywords: Substructure modal synthesis method Structural Dynamics Modal Analysis Assembly coupling
CLC: TH131
Type: Master's thesis
Year: 2011
Downloads: 21
Quote: 0
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Abstract


Complex structures or institutions are very difficult to model in the modeling and computational analysis , substructure modal synthesis method ( CMS ) , respectively, after analysis by the large-scale structure of the model divided into multiple parts , followed by the connection the combination of the various parts of the overall model . First, based on the finite element modal analysis results , given the general method to establish the appropriate structures or institutions state space equation . Equal to the displacement of the corresponding node according to the coupling at the interface of the sub-model , and based on this , as well as between the direction opposite to the force of equal size boundary coordination condition is derived of the general formula of the sub - space of the model equation of state coupled to achieve a sub-model space state equation join . The last antenna instance model finite element analysis state space equation by the structural analysis of the feasibility of the establishment of a control state space equation as well as the connection method is verified through simulation results contrast .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Mechanical parts and gear > Connection and connection parts
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