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A Strategy to identify exciting forces acting on structures

Turco, Emilio (2005) A Strategy to identify exciting forces acting on structures. International Journal for Numerical Methods in Engineering, Vol. 64 (11), p. 1483-1508. eISSN 1097-0207. Article.

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DOI: 10.1002/nme.1418

Abstract

The strategy for identifying the external forces acting on structures sketched by Turco (Comput. Method Appl. Mech. Eng. 1998; 165:291–306) is extended to the dynamic case. Starting from the measurement of the stress or strain history in a suitable number of points of the structure, the exciting forces are reconstructed. This inverse problem is tackled in the frequency domain by using the standard tools of computational mechanics along with a classical approach to treat ill-conditioned problems. Some numerical results relating to pin-jointed trusses are discussed in order to validate the proposed strategy.

Item Type:Article
ID Code:2505
Status:Published
Refereed:Yes
Uncontrolled Keywords:Inverse mechanical problems, regularization approach, load modelling, dynamic load identification
Subjects:Area 08 - Ingegneria civile e Architettura > ICAR/08 Scienza delle costruzioni
Divisions:001 Università di Sassari > 01 Dipartimenti > Architettura e pianificazione
Publisher:Wiley
eISSN:1097-0207
Deposited On:18 Aug 2009 10:07

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