This paper presents a procedure for the identification of imperfections of structural parameters based on displacement measurements by static tests. The proposed procedure is based on the well-known Hu-Washizu variational principle, suitably modified to account for the response measurements, which is able to provide closed-form solutions to some inverse problems for the identification of structural parameter imperfections in beams.
CADDEMI S, DI PAOLA M (2008). The Hu-Washizu variational principle for the identification of imperfections in beams. INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 75, 1259-1281 [10.1002/nme.2288].
The Hu-Washizu variational principle for the identification of imperfections in beams
DI PAOLA, Mario
2008-01-01
Abstract
This paper presents a procedure for the identification of imperfections of structural parameters based on displacement measurements by static tests. The proposed procedure is based on the well-known Hu-Washizu variational principle, suitably modified to account for the response measurements, which is able to provide closed-form solutions to some inverse problems for the identification of structural parameter imperfections in beams.
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