An alternative way of interpreting the Kitagawa-Takahashi diagram for structural components is proposed. With this aim, the equivalent initial flaw size (EIFS) model, as a way of defining the initial defects of the structural components is used in conjunction with the probabilistic S-N model proposed by Castillo and Canteli, thus allowing the probabilistic distribution of the EIFS to be generated and, consequently, a probabilistic definition of the KT diagram (P-KT) to be achieved. The proposed approach is applied to a notched plate made of P355NL1 steel, the results of predictions are analyzed and the deviations discussed.
A procedure to obtain the probabilistic Kitagawa-Takahashi diagram / José A. F. O. , CORREIA; Abílio M. P. , De JESUS; Alfonso, Fernández CANTELI; BRIGHENTI, Roberto; Pedro M. G. P. , MOREIRA; Rui A. B. , CALÇADA. - In: SCIENTIFIC BULLETIN - "POLITEHNICA" UNIVERSITY OF BUCHAREST. SERIES D, MECHANICAL ENGINEERING. - ISSN 1454-2358. - 78:(2016), pp. 3-12.
A procedure to obtain the probabilistic Kitagawa-Takahashi diagram
BRIGHENTI, Roberto;
2016
Abstract
An alternative way of interpreting the Kitagawa-Takahashi diagram for structural components is proposed. With this aim, the equivalent initial flaw size (EIFS) model, as a way of defining the initial defects of the structural components is used in conjunction with the probabilistic S-N model proposed by Castillo and Canteli, thus allowing the probabilistic distribution of the EIFS to be generated and, consequently, a probabilistic definition of the KT diagram (P-KT) to be achieved. The proposed approach is applied to a notched plate made of P355NL1 steel, the results of predictions are analyzed and the deviations discussed.File | Dimensione | Formato | |
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