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Nondestructive elastostatic identification of unilateral cracks through BEM and neural networks

Antes, Horst, 1936-, Stavroulakis Georgios

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/D2A749E3-DD41-4A1F-96BD-B0D8DECD151B-
Αναγνωριστικόhttps://doi.org/10.1007/s004660050264-
Γλώσσαen-
Μέγεθος12 pagesen
ΤίτλοςNondestructive elastostatic identification of unilateral cracks through BEM and neural networksen
ΔημιουργόςAntes, Horst, 1936-en
ΔημιουργόςStavroulakis Georgiosen
ΔημιουργόςΣταυρουλακης Γεωργιοςel
ΕκδότηςSpringer Verlagen
ΠερίληψηAn inverse problem in nonlinear elastostatics is considered which concerns the identification of unilateral contact cracks by means of boundary measurements for given static loadings. Highly nonlinear structural behaviour like closed cracks can hardly be identified. In this case, the analysis of more than one loading cases is proposed and tested in this paper. The direct problem is modelled by using a direct multiregion boundary element formulation. The arising linear complementarity problem is solved explicitly by a pivoting (Lemke) technique. In view of the complexity of the inverse problem, a neural network based identification approach is adopted which uses feed-forward multilayer neural networks trained by back-propagation, error-driven supervised training. The applicability of the method is demonstrated by some numerical examples.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2015-10-11-
Ημερομηνία Δημοσίευσης1997-
Θεματική Κατηγορία--Cases, clinical reports, statisticsen
Θεματική Κατηγορία--Statistical dataen
Θεματική Κατηγορίαstatisticsen
Θεματική Κατηγορίαcases clinical reports statisticsen
Θεματική Κατηγορίαstatistical dataen
Βιβλιογραφική ΑναφοράG. E. Stavroulakis, H. Antes ,"Nondestructive elastostatic identification of unilateral cracks through BEM and neural networks ,"Comput. Mech. vol. 20,no.5, pp. 439-451,1997.doi:10.1007/s004660050264en

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