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Reliability based optimization of steel frames under seismic loading conditions using evolutionary computation

Manolis Papadrakakis, Yiannis Tsompanakis, Michalis Fragiadakis, Nikos Lagaros

Πλήρης Εγγραφή


URI: http://purl.tuc.gr/dl/dias/22782BFA-F0A9-4F0D-A15D-A216986D4F62
Έτος 2004
Τύπος Δημοσίευση σε Περιοδικό με Κριτές
Άδεια Χρήσης
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Βιβλιογραφική Αναφορά M. Papadrakakis ,Y. Tsompanakis ,N.Lagaros ,M.Fragiadakis ," Reliability based optimization of steel frames under seismic loading conditions using evolutionary computation,"J. of Theor.l and Ap. Mech.,vol.42,no.3,pp.585-608,2004.
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Περίληψη

Earthquake-resistant design of structures using probabilistic analysis and performance-based design criteria is an emerging field of structural engine-ering. These new analysis and design methodologies are aimed at improving the existing practice and design codes for better prediction of the structural performance. In this paper, a robust and efficient methodology is presented for performing reliability-based structural optimum design of steel frames under seismic loading. The optimization part is realised with evolution stra-tegies, while the reliability analysis is carried out with the Monte Carlo simu-lation method incorporating the latin hypercube sampling technique for the reduction of the sample size. The probability of failure of the frame struc-tures, in terms of interstorey drift limits, is determined via the multi-modal response spectrum analysis.

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