A dynamic reanalysis technique for general structural modifications under deterministic or stochastic input

Cacciola, P., Impollonia, N. and Muscolino, G. (2005) A dynamic reanalysis technique for general structural modifications under deterministic or stochastic input Computers and Structures, 83 (14). pp. 1076-1085. ISSN 0045-7949

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Abstract

A procedure for the dynamic reanalysis of linear systems subjected to deterministic or stochastic loads is presented. The procedure allows to evaluate the dynamic response of the modified structural system starting from the knowledge of the transition matrix and the eigenvectors of the original system. The case in which topological modifications are introduced can be successfully treated. The method relays on an unconditionally stable step-by-step procedure based on the “dynamic modification method”. As shown in the numerical applications, the technique is computationally effective and leads to accurate results for a broad class of structural modifications.

Item Type:Journal article
Uncontrolled Keywords:Dynamic reanalysis; Topological modifications; Modal analysis; Stochastic problems
Subjects:H000 Engineering > H200 Civil Engineering > H210 Structural Engineering
H000 Engineering > H200 Civil Engineering
DOI (a stable link to the resource):10.1016/j.compstruc.2004.11.017
Faculties:Faculty of Science and Engineering > School of Environment and Technology > Ground water and structural engineering
Faculty of Science and Engineering > School of Environment and Technology
ID Code:5929
Deposited By:editor environment
Deposited On:17 Sep 2009
Last Modified:02 May 2012 14:39

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