Improved Transfer Matrix Method in Analysis of Cylindrical Shell with Partially Covered Constrained Layer Damping

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The transfer matrix method in analysis of cylindrical shell with partially covered ring-shape constrained layer damping is improved. In this new method, state vector and boundary condition vectors are independent, so the computation of state vectors first derivative is simplified. An association matrix is introduced to connect state vectors and boundary condition vectors. In the uncovered section, the parameters of damping layer and constrained layer are considered as constant and leaded into state vectors and boundary condition vectors, so the transfer matrixs dimension of uncovered and covered section are same and the total transfer matrix can be obtained easily. The validity of this method is proved by an example.

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1655-1658

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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