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|Title:||Identification of a Composite Frame From a Pseudodynamic Test|
|Authors:||ZAPICO Jose Luis; MOLINA RUIZ FRANCISCO JAVIER; GONZALEZ Maria Placeres; MONTES Susana|
|Citation:||MECHANICAL SYSTEMS AND SIGNAL PROCESSING vol. 19 p. 579-595|
|Publisher:||ELSEVIER SCI LTD|
|JRC Publication N°:||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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