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《JOURNAL OF VIBRATION AND SHOCK》 1994-02
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MODIFYING DYNAMICAL MODEL OF DAMPED STRUCTURES BY USING OF OPTIMIZATION TECHNIQUE

Yu Dejie(Hunan University)  
Abstract A method for modifying dynamical model of damped structures is proposed in this paper.Based upon the orthoganal and characteristic equations of complex modal theory, the structural parameter identification equations of a damped structure are constructed at first and then, the modified structural parameters are solved by using of optimization methods. Practical examples show that the presented method can be used to update the initial dynamical model of damped structres to get better agreement between analytical and experimental modal parameters.
【CateGory Index】: TH113
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