On the computational efficiency of the error estimator for Guyan reduction

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An improved error estimator for Guyan reduction is presented for efficient calculation of the relative eigenvalue error. In this work, the original error estimator is simply redefined in the level of the component matrix by neglecting its component matrices that do not affect the performance of estimation. Consequently, a new simple formulation of the error estimator is developed. Compared with the original formulation, it leads to better computational efficiency without significant loss of the estimating accuracy. The performance of the present error estimator is demonstrated theoretically and numerically. (C) 2016 Elsevier B.V. All rights reserved
Publisher
ELSEVIER SCIENCE SA
Issue Date
2016-06
Language
English
Article Type
Article
Citation

COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, v.305, pp.759 - 776

ISSN
0045-7825
DOI
10.1016/j.cma.2016.03.030
URI
http://hdl.handle.net/10203/209292
Appears in Collection
MA-Journal Papers(저널논문)ME-Journal Papers(저널논문)
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