Analytical Method To Predict Initiation Of
Multiple Site Damage At Mechanical Joints
Author(s)
G.S. Wang and A.F. Blom
Abstract
An analytical method has been developed to predict the onset of multiple site
damage at mechanical joints. The crack initiation is predicted based on non-linear
stress analyses and the crack closure model. In this solution, the small crack
behaviour as well as the post yield effect have been accounted for. Intrinsic
material parameters have been used extensively so that the method is not limited
to the specified problems. A probabilistic solution has been implemented to
account for uncertainties in initial flaws, the stochastic crack propagation, the
geometrical inconsistency, as well as the variation in fatigue loading. As a result,
important information about the onset of multiple site damage, e.g. the
probability of crack occurrence, and the probability of crack break-through
Keywords
Related Book
Other papers in this volume
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