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Publications
Feng, G.Q., Wang. Y.T., Garbatov, Y., Ren, H.L. and Guedes Soares, C. (2021), “Experimental and numerical analysis of crack growth in stiffened panels”, Ships & Offshore Structures, Vol. 16(9), pp. 980-992.
The work deals with an experimental and numerical assessment of cracks growth in a welded stiffened panel subjected to a cyclic load of a sine shape. A stiffened panel with one central stiffener is manufactured for testing of cracks simultaneously propagating in the plate and web. The Paris-Erdogan law is employed in predicting crack growth. The stress range intensity factor is calculated by employing the finite element method using finite singularity elements. The crack growth rate for both plate and web of the stiffened panel are statistically analysed based on the testing results using the one-sided tolerance method. It has been shown that the crack growth rate in the plate is faster than the one in the web of the stiffened panel and a high correlation in the crack propagation in the palate and stiffener exist.
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