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Neural network assisted crack and flaw identification in transient dynamics

Stavroulakis Georgios, Engelhardt, Markus, 1956-, Gallegos, Rómulo, 1884-1969, Likas, A, antes horst

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URIhttp://purl.tuc.gr/dl/dias/FD344BBC-B9D0-4780-8C62-8F2FB557F201-
Γλώσσαen-
Μέγεθος20 pagesen
ΤίτλοςNeural network assisted crack and flaw identification in transient dynamicsen
ΔημιουργόςStavroulakis Georgiosen
ΔημιουργόςΣταυρουλακης Γεωργιοςel
ΔημιουργόςEngelhardt, Markus, 1956-en
ΔημιουργόςGallegos, Rómulo, 1884-1969en
ΔημιουργόςLikas, Aen
Δημιουργόςantes horsten
ΠερίληψηCrack and flaw identification problems in two-dimensional elastomechanics are numerically studied in this paper. The mechanical modelling is based on boundary element techiques, with special care of hypersingular issues for the cracks. The possibility of partially or totally closed cracks (unilateral contact effects) is taken into account by linear complementarity techniques. Backpropagation neural networks are used for the solution of the inverse problems. For dynamical problems, a suitable preprocessing of the input data enhances the effectiveness of the procedure. For the two-dimensional examples presented here, the proposed method has similar performance for classical crack and flaw identification problems. The identification of unilateral cracks is a considerably more difficult task, which nevertheless, can also be solved by the same method, provided that a suitable dynamical test loading is applied.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2015-10-12-
Ημερομηνία Δημοσίευσης2004-
Θεματική ΚατηγορίαApplied mechanicsen
Θεματική ΚατηγορίαEngineering, Mechanicalen
Θεματική Κατηγορίαmechanics applieden
Θεματική Κατηγορίαapplied mechanicsen
Θεματική Κατηγορίαengineering mechanicalen
Βιβλιογραφική ΑναφοράG.E. Stavroulakis, M. Engelhardt, A. Likas, R. Gallego, H. Antes ,"Neural network assisted crack and flaw identification in transient dynamics ," J. of Theor. and Ap. Mech.,vol. 42, no.3 pp.629-649.2004.en

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