Fatigue crack propagation analysis using XFEM for cladded C(T) specimens and its validation
Yanlong LI,
Toshio NAGASHIMA,
Masaki NAGAI
et al.
Abstract:To investigate the crack growth behavior in a cladded structure, a numerical simulation method based on the extended finite element method (XFEM) was developed. This method employs 8-node hexahedral continuum elements enriched only with the Heaviside step function, which can model planar crack independently of finite elements. For a crack across the interface of dissimilar materials in cladded structures, stress intensity factors along the crack front are evaluated by the domain integral method. Crack front sh… Show more
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