Publications

Garbatov, Y., Rudan, S. and Guedes Soares, C. (2010), “Fatigue Assessment of Welded Trapezoidal Joints of Very Fast Ferry Subjected to Combined Load”, Engineering Structures, Vol. 32, pp. 800-807

This work deals with the fatigue assessment of a very fast ferry including several steps of calculations. Based on the analysis of wave and cargo induced loads the ship hull structure is evaluated on both global and local levels. The local structure is represented by a longitudinal stiffener with a trapezoidal transverse section. The critical point of concern is located at the middle of the span between two transverse frames where the longitudinal trapezoidal stiffener is connected by a backing strip plate. Detailed finite element analysis determines the critical hot-spots and the stress distributions. The stiffener is considered to be subjected to axial forces due to vertical bending moment and by additional transverse force due to the presence of a truck load. Finally the fatigue damage assessment of considered hot spot is analyzed accounting for the combination of low frequency wave induced and transient loadings.

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