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http://dx.doi.org/10.12989/eas.2015.8.3.639

Reduced record method for efficient time history dynamic analysis and optimal design  

Kaveh, A. (Department of Civil Engineering, Iran University of Science and Technology)
Aghakouchak, A.A. (Department of Civil and Environmental Engineering, Tarbiat Modares University)
Zakian, P. (Department of Civil and Environmental Engineering, Tarbiat Modares University)
Publication Information
Earthquakes and Structures / v.8, no.3, 2015 , pp. 639-663 More about this Journal
Abstract
Time history dynamic structural analysis is a time consuming procedure when used for large-scale structures or iterative analysis in structural optimization. This article proposes a new methodology for approximate prediction of extremum point of the response history via wavelets. The method changes original record into a reduced record, decreasing the computational time of the analysis. This reduced record can be utilized in iterative structural dynamic analysis of optimization and hence significantly reduces the overall computational effort. Design examples are included to demonstrate the capability and efficiency of the Reduced Record Method (RRM) when utilized in optimal design of frame structures using meta-heuristic algorithms.
Keywords
seismic loading; time history dynamic analysis; structural optimization; wavelets; computational time reduction; improved harmony search (IHS);
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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