Abstract
This paper presents a phenomenological theory to characterize load shedding during fatigue fracture in ship structure. Following an outline of linear fracture mechanics based fatigue analysis, the paper discusses load shedding mechanisms (load redistribution during crack propagation) in ship structural details. A phenomenological (semi-empirical) approach is then developed to characterize sources of load shedding. The phenomenological approach is used to calibrate a load shedding model for fracture mechanics analysis of ship structural details. An empirical formula is developed to describe the effects of load shedding. Finally, load shedding effects on ship durability design are discussed.
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