2006
DOI: 10.1007/s10409-006-0028-3
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Singular perturbation analysis of dynamic fields in a thermoelastic solid with a small surface-breaking crack

Abstract: An asymptotic analysis is presented for a dynamic problem of a semi-infinite isotropic thermoelastic solid with a small surface breaking crack. The exterior surface of the solid is subjected to a series of short thermal pulses. The crack surface is traction free and an ideal thermal contact is assumed across the crack. The stress intensity factor is asymptotically evaluated as a function of the crack depth and time. The effect of a boundary layer associated with the diffusive term is identified. The theoretica… Show more

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