Dynamic crack growth along heterogeneous planar interfaces: interaction with unidimensional strips
Alizée Dubois,
Daniel Bonamy
Abstract:We examine theoretically and numerically fast propagation of a tensile crack along unidimensional strips with periodically evolving toughness. In such dynamic fracture regimes, crack front waves form and transport front disturbances along the crack edge at speed less than the Rayleigh wave speed and depending on the crack speed. In this configuration, standing front waves dictate the spatio-temporal evolution of the local crack front speed, which takes a specific scaling form. Analytical examination of both th… Show more
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