Title: Identification of a Composite Frame From a Pseudodynamic Test
Authors: ZAPICO Jose LuisMOLINA RUIZ FRANCISCO JAVIERGONZALEZ Maria PlaceresMONTES Susana
Citation: MECHANICAL SYSTEMS AND SIGNAL PROCESSING vol. 19 p. 579-595
Publisher: ELSEVIER SCI LTD
Publication Year: 2005
JRC N°: JRC32064
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC32064
Type: Articles in Journals
Abstract: This paper describes an accurate technique used to identify the stiffness matrix of a steel concrete composite frame. The identification of the stiffness matrix is based on the available data of a pseudodynamic test. A non-linear model including the modelling of systematic measurement errors and dissipative forces is proposed. The model is successfully fitted to the experimental data through weighted least squares. A finite element model of this structure was previously developed and updated using experimental modal data. The comparison of the elements of the obtained stiffness matrix with those of the finite element model reveals a good agreement of both models.
JRC Institute:Institute for the Protection and Security of the Citizen

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