Dynamical identification of building structures: new strategies

Liborio Cavaleri, Giuseppina Amato

Risultato della ricerca: Articlepeer review

Abstract

In this paper the evolution of a time domain dynamic identification technique based on a statistical moment approach is presented. This technique can be used in the case of structures under base random excitations in the linear state and in the non linear one. By applying stochastic calculus, special algebraic equations can be obtained depending on the statistical moments of the response of the system to be identified. Such equations can be used for the dynamic identification of the mechanical parameters and of the input. The above equations, differently from many techniques in the literature, show the possibility of obtaining the identification of the dissipation characteristics independently from the input. Through the paper the first formulation of this technique, applicable to non linear systems, based on the use of a restricted class of the potential models, is presented. Further a second formulation of the technique in object, applicable to each kind of linear systems and based on the use of a class of linear models, characterized by a mass proportional damping matrix, is described.
Lingua originaleEnglish
pagine (da-a)1-10
Numero di pagine10
RivistaMECCANICA DEI MATERIALI E DELLE STRUTTURE
VolumeI
Stato di pubblicazionePublished - 2010

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