AN Identification Method of Damping Matrix for Frame Structures

Abstract:

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Nowadays, damping is still the important dynamic characteristic that is the least understood and the most difficult to quantify. The advantage of the proposed damping matrix identification method is that several low order complex modes achieved by Experimental Modal Analysis (EMA) are capable of calculation precision. In order to identify the damping matrix, this paper also proposes a general damping matrix decompositon technique, which can be used in the situation that different parts of the structure have different damping. Then a five-story frame structure is applied to demonstrate the proposed method ,and the results obtained show the suitability of this approach for damping matrix identification in frame structures.

Info:

Periodical:

Advanced Materials Research (Volumes 243-249)

Edited by:

Chaohe Chen, Yong Huang and Guangfan Li

Pages:

967-970

DOI:

10.4028/www.scientific.net/AMR.243-249.967

Citation:

S. S. Dong et al., "AN Identification Method of Damping Matrix for Frame Structures", Advanced Materials Research, Vols. 243-249, pp. 967-970, 2011

Online since:

May 2011

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Price:

$35.00

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