Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7521
Title: Substructuring approach to the calculation of higher-order eigensensitivity
Authors: Weng, S
Zhu, HP
Xia, Y 
Zhou, XQ
Mao, L
Keywords: Eigensensitivity
Eigensolution derivative
Residual flexibility
Substructuring method
Issue Date: 2013
Publisher: Pergamon Press
Source: Computers & structures, 2013, v. 117, p. 23-33 How to cite?
Journal: Computers & structures 
Abstract: Calculation of eigensensitivity is usually time-consuming for a large-scale structure. This paper develops a substructuring method for computing the first, second and high order eigensensitivity. The local area of a structure is treated as an independent substructure to be analyzed. The eigensensitivity of global structure with respect to a design parameter is calculated from the eigensensitivity of a particular substructure that contains the design parameter, thus allowing a significant reduction in computational cost. The accuracy and efficiency of the substructuring method is proved by a frame structure and a highway bridge.
URI: http://hdl.handle.net/10397/7521
ISSN: 0045-7949
DOI: 10.1016/j.compstruc.2012.11.005
Rights: © 2012 Elsevier Ltd.
NOTICE: this is the author’s version of a work that was accepted for publication in Computers & Structures. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Computers & Structures, vol. 117, p. 23-33 (2013), DOI: 10.1016/j.compstruc.2012.11.005
Appears in Collections:Journal/Magazine Article

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