Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8852
Title: Dynamic condensation approach to the calculation of eigensensitivity
Authors: Weng, S
Zhu, AZ
Zhu, HP
Xia, Y 
Mao, L
Li, PH
Keywords: Dynamic condensation
Eigensensitivity
Eigenvalue derivative
Eigenvector derivative
Large structure
Issue Date: 2014
Publisher: Pergamon Press
Source: Computers & structures, 2014, v. 132, p. 55-64 How to cite?
Journal: Computers & structures 
Abstract: Calculation of the eigensensitivity of a large and complex structural system requires considerable computational resources and is time-consuming. This paper derives the eigenvalue and eigenvector derivatives of a structure based on a dynamic condensation technique. The eigensensitivity of a structure are computed by iteratively updating the derivatives of the condensed system matrices and a transformation matrix. As the condensed model is much smaller than the original full model, the proposed method is quite efficient in the calculation of the eigensensitivity. The accuracy and efficiency of the proposed method are verified by the GARTEUR structure and a cantilever plate.
URI: http://hdl.handle.net/10397/8852
ISSN: 0045-7949
DOI: 10.1016/j.compstruc.2013.10.012
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