Journal
COMPUTERS & STRUCTURES
Volume 83, Issue 25-26, Pages 2112-2120Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compstruc.2005.03.006
Keywords
inverse mechanical problems; regularization approach; load modelling
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Static loads acting on structures can be identified by using an inverse strategy based on the knowledge of stresses or strains in a suitable number of their internal points. Such methodology, based on the deterministic or engineering approach, is here framed in a statistical context highlighting differences and similarities. In particular, besides the solution, obtained using the so-called regularization approach, a simple statistical estimate of the reconstructed loads and a global measure of the accuracy are investigated. A discussion on some numerical results relative to pin jointed trusses helps the comparison between deterministic and statistical approach. (c) 2005 Elsevier Ltd. All rights reserved.
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