Dynamic shakedown design of structures under repeated seismic loads

Risultato della ricerca: Otherpeer review

17 Citazioni (Scopus)


The paper is devoted to the formulation of an optimal design (minimum volume) problem ofelastic perfectly plastic structures subjected to suitable combinations of static (fixed) and dynamic (seismic) loads.The structure is constrained to simultaneously respect two different safety criteria; actually, it must exhibit anelastic shakedown behaviour for the combination of loads characterizing the serviceability conditions and it mustprevent the instantaneous collapse for the highest expected load condition (combination of loads characterized bythe presence of fixed loads and maximum expected intensity of seismic action). The shakedown limit behaviourfor the optimal structure will be imposed according with the unrestricted dynamic shakedown approach. Thenumerical application is devoted to the optimal design of a simple six floor plane steel frame and the solution isreached by utilizing a suitable harmony search algorithm.
Lingua originaleEnglish
Numero di pagine6
Stato di pubblicazionePublished - 2013

All Science Journal Classification (ASJC) codes

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